Huawei NetCol8000-C User Manual
Huawei NetCol8000-C User Manual

Huawei NetCol8000-C User Manual

In-room chilled water smart cooling product
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NetCol8000-C(070-260) In-room Chilled Water
Smart Cooling Product
User Manual
Issue
06
Date
2020-01-13
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei NetCol8000-C

  • Page 1 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual Issue Date 2020-01-13 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
  • Page 3: About This Document

    About This Document About This Document Purpose This document describes the NetCol8000-C, a room-level cooling system, in terms of its precautions, product description, installation, commissioning, controller, operation and maintenance (O&M). Smart cooling products mentioned in this manual are dedicated equipment for data centers.
  • Page 4 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual About This Document Symbol Description NOTICE is used to address practices not related to personal injury. Supplements the important information in the main text. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration.
  • Page 5: Table Of Contents

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual Contents Contents About This Document ........................ii 1 Safety Information ........................1 1.1 General Safety ................................1 1.2 Personnel Requirements ............................... 4 1.3 Electrical Safety ................................4 1.4 Installation Environment Requirements ........................6 1.5 Mechanical Safety ................................
  • Page 6 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual Contents 3.3.1 Removing the Packing ............................. 42 3.3.2 Checking Fittings ..............................42 3.4 Installing the Equipment ............................. 42 3.4.1 Checking the Nitrogen Pressure ..........................42 3.4.2 Exhausting Nitrogen ..............................44 3.4.3 Removing the Pallet ..............................46 3.4.4 (Optional) Cabinet Assembly (Applicable only to Downflow Units with Four Doors) ...........
  • Page 7 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual Contents 3.6.11.2 Connecting a Downflow Differential Pressure Sensor ..................111 3.6.12 (Optional) Installing a Cap (Applicable to Upflow Units) ................... 114 3.7 Installation Verification ............................. 117 4 Commissioning.......................... 121 4.1 Preparing for Power-On ............................121 4.2 Power-On ..................................
  • Page 8 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual Contents 6.7.9 Replacing the PSU ..............................264 6.7.10 Replacing the Electric Heater ..........................265 6.7.10.1 Replacing the Electric Heater (Upflow) ......................266 6.7.10.2 Replacing the Electric Heater (Downflow) ....................... 268 6.7.11 Replacing the Low Liquid Level Detector ......................270 7 FAQ ..............................
  • Page 9: Safety Information

    The"NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.
  • Page 10 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 1 Safety Information  Before installing, operating, or maintaining the equipment, remove any conductive objects such as watches or metal jewelry like bracelets, bangles, and rings to avoid electric shock. ...
  • Page 11 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 1 Safety Information  All cable holes should be sealed. Seal the used cable holes with firestop putty. Seal the unused cable holes with the caps delivered with the cabinet. The following figure shows the criteria for correct sealing with firestop putty.
  • Page 12: Personnel Requirements

    Do not power on the equipment before it is installed or confirmed by professionals. 1.2 Personnel Requirements  Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations.
  • Page 13 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 1 Safety Information Do not connect or disconnect power cables with power on. Transient contact between the core of the power cable and the conductor will generate electric arcs or sparks, which may cause fire or personal injury.
  • Page 14: Installation Environment Requirements

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 1 Safety Information  Wear ESD gloves or a well-grounded ESD wrist strap when touching the device or handling boards or application-specific integrated circuits (ASICs).  When holding a board, hold its edge without touching any components. Do not touch the components with your bare hands.
  • Page 15: Mechanical Safety

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 1 Safety Information Installation at Heights  Working at heights refers to operations that are performed at least 2 meters above the ground.  Do not work at heights if the steel pipes are wet or other potential danger exists. After the preceding conditions no longer exist, the safety director and relevant technical personnel need to check the involved equipment.
  • Page 16 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 1 Safety Information  Do not drag steel ropes and hoisting tools or bump hoisted objects against hard objects during hoisting. Using Ladders  Use wooden or fiberglass ladders when you need to perform live working at heights.
  • Page 17 Metal shavings from drilling may short-circuit boards inside the equipment.  Obtain the consent from the customer, subcontractor, and Huawei before drilling.  Wear goggles and protective gloves when drilling holes. ...
  • Page 18: Cooling System Safety

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 1 Safety Information 1.6 Cooling System Safety Welding  At least two persons are required on a welding site.  A welder must have a work permit.  A welding site must be free from inflammables.
  • Page 19: Product Overview

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Product Overview 2.1 Model Description Figure 2-1 Naming conventions 1 Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 20: Appearance And Components

    2.2 Appearance and Components Appearance The NetCol8000-C in-room chilled water smart cooling product downflow units have four architectures: one-door, two-door, three-door, and four-door (for downflow units only and onsite assembly required), and the upflow units have three architectures: one-door, two-door, and three-door, as shown in the following figures.
  • Page 21 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Figure 2-3 Upflow smart cooling product with one door (left) and downflow smart cooling product with one door (right) Figure 2-4 Upflow smart cooling product with two doors (left) and downflow smart cooling...
  • Page 22 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Figure 2-5 Upflow smart cooling product with three doors Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Figure 2-6 Downflow smart cooling product with three doors Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 24 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Figure 2-7 Downflow smart cooling product with four doors Components Figure 2-8 Upflow components Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 25 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Figure 2-9 Downflow components The smart cooling product consists of the heat exchanger, chilled water valve, electronically commutated (EC) fan, air filter, wet film humidifier (optional), electric heater (optional),...
  • Page 26: Controller

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview The G4 air filter is used, and the F5 air filter is optional. The air filter meets cleanliness requirements for customers' data centers. The air filter of downflow smart cooling products is paved on the heat exchanger, ensuring easy maintenance and reducing air resistance.
  • Page 27 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview buzzers, and alarms. If alarms of different severities (critical, major, minor, or warning) are raised simultaneously, the indicator status corresponds to the alarm with the highest severity level and the buzzer status corresponds to the unacknowledged alarm with the highest severity level.
  • Page 28 (Applicable to V200R001C20 and later versions) NOTE Only Huawei service engineers or authorized service engineers are allowed to use the WiFi module. To ensure security, remove the WiFi module immediately after use. ...
  • Page 29: Functions And Features

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Name Note Reserved SW1-4 Dual in-line package (DIP) switch on LCD 2.3.2 Functions and Features Functions  When only one smart cooling product is running, the controller provides logic control of components in the smart cooling product to adjust the indoor temperature and humidity.
  • Page 30: Monitoring System

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Features  The controller provides a touchscreen with a user-friendly interface.  The controller controls the indoor temperature precisely and responds quickly.  The controller is protected by a multi-level password protection mechanism, avoiding misoperations.
  • Page 31 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Pipe Dimensions The following table lists the reserved pipe dimensions of a NetCol8000-C. Table 2-3 Pipe dimensions Item Specifications Water outlet pipe G 2 inch port with inner threads...
  • Page 32: Technical Specifications

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Item Specifications Storage humidity 5%–95% RH (non-condensing) Altitude 0–4000 m (derated when the altitude is in the range of 1000–4000 m) Temperature adjustment range 15–45° C Temperature adjustment precision 1°...
  • Page 33 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Model Config Power Maximum Recommended Cable Diameter Dimension uration system Current (with Switch (with (with Heating and s (H x W x Heating and Heating and Humidification/ D, mm)
  • Page 34 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Model Config Power Maximum Recommended Cable Diameter Dimension uration system Current (with Switch (with (with Heating and s (H x W x Heating and Heating and Humidification/ D, mm)
  • Page 35 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Table 2-7 Downflow smart cooling product specifications (1) Parameter NetCol8000-C07 NetCol8000-C10 NetCol8000-C11 Number of fans Air volume (m 13500 23000 28000 (Optional) Heating capacity (kW) (Optional) Humidification capacity (kg/h)
  • Page 36 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 2 Product Overview Parameter NetCol8000-C220D NetCol8000-C260D (Optional) Heating capacity (kW) (Optional) Humidification capacity (kg/h) Air filter level Net weight (kg) 1195 1225 Table 2-10 Upflow smart cooling product specifications Parameter NetCol8000-C070...
  • Page 37: Installation Guide

    Take appropriate thermal insulation and antifreeze measures for outdoor water pipes to avoid poor drainage and insufficient water supply caused by freezing.  When installing, seal the top of the NetCol8000-C by using a baffle or plastic bag to prevent dust entering. ...
  • Page 38 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-1 Layout of bottom pipe routing (1) (1) NetCol8000-C  The height of raised floors is greater than 400 mm.  W indicates the distance between smart cooling products. The minimum W for upflow units is 300 mm, and the minimum W for downflow units is 500 mm.
  • Page 39 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-2 Layout of bottom pipe routing (2) (1) NetCol8000-C  The height of raised floors is greater than 800 mm.  L indicates the front maintenance distance, and the minimum L is 900 mm. If this requirement cannot be met, the minimum L after front doors are removed can be 800 mm.
  • Page 40: Tools

    L after front doors are removed can be 800 mm. 3.1.2 Tools Table 3-1, Table 3-2, Table 3-3 Table 3-4 list the tools for installing the NetCol8000-C. Add or delete tools as required. Table 3-1 General tools Name, Specifications, and Appearance Adjustable wrench Phillips screwdriver Flat-head Fixed wrench...
  • Page 41 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Table 3-2 Tools for transportation Appearance, Specifications, and Name Pallet jack Forklift Table 3-3 Tools for pipe installation Appearance, Specifications, and Name fluorine hose for Alcohol Sealant for thermal...
  • Page 42: Material Preparations

     Optional: materials that can be purchased from Huawei or any other vendor (if you have ordered the materials from Huawei, you do not need to purchase them elsewhere). For details about the specifications of such materials to be purchased, see the following sections.
  • Page 43: Drainpipe

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide material (engineering purchasing) to a pipe through outer screw threads (engineering purchasing) (5) Hose clamp (mandatory) (6) Hose: inner diameter of 19 mm, made of EPDM or other material (engineering purchasing) 3.1.3.2 Drainpipe...
  • Page 44: Chilled Water Inlet And Outlet Pipes

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide 3.1.3.3 Chilled Water Inlet and Outlet Pipes Figure 3-6 Connecting the water inlet and outlet pipes (1) G 2-in, connected over screw (2) DN50 seamless steel pipe with an external...
  • Page 45: Cables

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-7 Pipe support (unit: mm)  The height of a U-shaped pipe clamp equals the diameter of the pipe with thermal insulation foam minus 5 mm. The pipe supports are to be purchased.
  • Page 46 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Application Name Technical Requirements Remarks Scenario blue neutral wire onsite and wrap the exposed part using PVC insulation tape. M6/OT Naked crimping terminal: OT, 2.5 Delivered with the fittings terminal of , M6, 27 A, tin plating, 16–14...
  • Page 47 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Applicati Name Technical Requirements Remarks Scenario configuration Cord end Naked crimping terminal: single cord Delivered with terminal of end terminal, 4 mm , 20 A, insertion the fittings...
  • Page 48: System Layout Diagram

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Applicat Name Technical Requirements Remarks Scenario teamwork (standard MP8-II, FTP configuration It is recommended that 4x6 mm cables be used for the active power supply to NetCol8000-C220 and NetCol8000-C260 when they are equipped with heating and humidification functions.
  • Page 49: Downflow

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide  Components shown by (5), (6), and (7) in the preceding figure are delivered with the smart cooling product. Other components need to be purchased and installed onsite. Do not install the other components directly under the cabinet.
  • Page 50: Transportation And Unpacking

    Step 2 Remove packing materials. Step 3 Check that the fittings comply with the packing list. If some fittings are missing or do not comply with the packing list, record the information and contact your local Huawei immediately. ----End 3.3.2 Checking Fittings...
  • Page 51 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-10 Upflow needle valve (1) Drainage valve (2) Exhaust valve Figure 3-11 Downflow needle valve (1) Drainage valve (2) Exhaust valve Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 52: Exhausting Nitrogen

    You can open or close the exhaust valve using a flat-head screwdriver.  If no, rotate the exhaust valve counterclockwise. If air flows out, the system is normal. If no air flows out, contact Huawei technical support. ----End Follow-up Procedure ...
  • Page 53 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-12 Upflow exhaust valve (1) Exhaust valve Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 54: Removing The Pallet

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-13 Downflow exhaust valve (1) Exhaust valve Procedure Step 1 Slowly open the exhaust valve to exhaust nitrogen. Step 2 Fasten the exhaust valve when no air exhausts at the valve.
  • Page 55: Optional) Cabinet Assembly (Applicable Only To Downflow Units With Four Doors)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide For a single-door and double-door cabinet, remove the four bolts from both sides. Figure 3-14 Removing the bolts that secure the cabinet and the pallet Step 3 (Only applicable to downflow units) Install the fan maintenance baffle plate at the front door.
  • Page 56 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-15 Removing the rear door Step 2 Use quick release screws to secure the front and rear columns of the module 2 and module 3 to assemble the unit.
  • Page 57 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-16 Assembling the modules Step 3 Use a 15# socket wrench to remove the hold hoop that secures the main pipe, remove the black sealing ring, and remove the pipe plug.
  • Page 58 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-17 Removing the pipe plug Step 4 Connect the main pipe using hoses. Secure the pipe ports using black sealing rings, and clamp them using hold hoops.
  • Page 59 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Step 5 Use a flat-head screwdriver to remove the hold hoop from the condensate pipe joint of the module 3. Pull out the condensate pipe from the module 2, and connect and secure the condensate pipe to the module 3 using hold hoops.
  • Page 60: Optional) Moving The Cabinet To The Installation Position (Disassembled Cabinet)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-20 Installing the rear door panel ----End 3.4.5 (Optional) Moving the Cabinet to the Installation Position (Disassembled Cabinet) Context  The cabinet is too large to move to the installation position.
  • Page 61 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Step 2 Cut off cable ties securing the cable terminals using diagonal pliers. Disconnect the fan power cable terminals (X101, X102, and X103) and cabinet signal cable transfer terminals (X301 and X302).
  • Page 62: Securing Equipment

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Every two modules are connected using eight quick release screws, four on the front door and four on the rear door. Step 7 Remove the quick release screws securing the cabinet, disassemble the cabinet, and move the cabinet inside to the installation position.
  • Page 63: Lowering A Fan (Applicable To Downflow Units)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Move the cabinet onto the base. Secure the cabinet to the base using six bolts. Install a shock pad between the base and the cabinet.  Shock absorption pads need to be attached to the top of the bases.
  • Page 64 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-24 Lowered fan (1) Indoor raised floor (2) Indoor concrete floor Procedure Step 1 Open the front door. Step 2 Unscrew the fan maintenance baffle plate using a Phillips screwdriver.
  • Page 65 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide When removing the fan support beam, assign one person to hold the fan. Step 3 Unscrew the fan support beam from the fan and the cabinet using a 13# socket wrench.
  • Page 66 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-27 Turning a fan Step 5 Secure the beam under the fan to the cabinet using screws. Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-28 Securing the fan support beam Step 6 Secure the fan to the cabinet. Figure 3-29 Securing the fan Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 68: Connecting Pipelines

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide ----End 3.5 Connecting Pipelines 3.5.1 Cabinet Hole Positions Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 69: Holes In The Side Panel

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide  Pipes can be routed from the left side or bottom of the cabinet. Knock off the padding of holes at the proper positions based on the onsite pipe routing method, and route the pipes through the holes.
  • Page 70 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-31 Holes in the side panel of a downflow unit (unit: mm) (1) Chilled water (2) Chilled water (3) Reserved inlet pipe hole outlet pipe hole (4) Reserved...
  • Page 71: Holes At The Bottom

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide 3.5.1.2 Holes at the Bottom Figure 3-32 Holes at the bottom (unit: mm) (1) Chilled water inlet pipe hole (2) Chilled water outlet (3) Power pipe hole cable hole...
  • Page 72 Make only the necessary knock-out holes; otherwise, the system performance may be degraded.  After pipes are routed for the NetCol8000-C, seal the gap between the pipe and the pipe hole. To minimize the noise due to device vibration, perform the following operations: ...
  • Page 73: Upflow

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide 3.5.2.1 Upflow 3.5.2.1.1 Bottom Pipe Routing Prerequisites Tools: 75# open-end wrench, 36# open-end wrench, 18# pipe wrench, sealant (used for pasting thermal insulation foam), screw thread sealant. Context If the cabinets are not placed abreast onsite, you are advised to route the pipes from one side of the cabinets.
  • Page 74: Side Pipe Routing

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Step 4 Wrap the pipes with thermal insulation foam. ----End 3.5.2.1.2 Side Pipe Routing Context Tools: 75# open-end wrench, 36# open-end wrench, 15# socket wrench (used for removing...
  • Page 75 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-36 Removing a hold hoop Step 4 Remove the hold hoop securing the bend using a 15# socket wrench. To avoid deforming the pipe, use a 75# open-end wrench to fix the pipe nut, use a 36# open-end wrench to fix the plug at the lower part of the bend, and then remove the plug.
  • Page 76 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Step 7 Secure the pipe using hold hoops, as shown by (3) in Figure 3-38. Figure 3-38 Connecting pipes Step 8 After wrapping the pipes with thermal insulation foam, install the left knocking-off padding cover.
  • Page 77: Downflow

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide ----End 3.5.2.2 Downflow 3.5.2.2.1 Bottom Pipe Routing Context Tools: 75# open-end wrench, 36# open-end wrench, 18# pipe wrench, sealant (used for pasting thermal insulation foam), screw thread sealant...
  • Page 78: Side Pipe Routing

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-40 Removing a pipe plug ----End 3.5.2.2.2 Side Pipe Routing Context Tools: 75# open-end wrench, 36# open-end wrench, Phillips screwdriver (used for removing pipe clamps), 15# socket wrench (used for removing pipe hold hoops), utility knife (used for...
  • Page 79 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide The direction in which the main pipes are tightened by using hold hoops is for reference only. The onsite situation prevails. Figure 3-41 Removing a hold hoop Step 4 Remove the hold hoop securing the bend using a 15# socket wrench. To avoid deforming the pipe, use a 75# open-end wrench to fix the pipe nut, use a 36# open-end wrench to fix the plug at the lower part of the bend, and then remove the plug, as shown in the following figure.
  • Page 80 Step 8 Attach thermal insulation foam to the pipe, and then install the pipe clamp on the side panel of the NetCol8000-C using a Phillips screwdriver to secure the pipe. Wrap the pipes with thermal insulation foam after installing the pipes. As shown by (4) in Figure 3-43.
  • Page 81: Connecting Water Pipes

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-43 Connecting pipes ----End 3.5.3 Connecting Water Pipes Drainpipe and water inlet pipe for the wet film humidifier (optional) can be routed from the bottom or one side. The figures are for reference only.
  • Page 82 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide  The drainpipe must have gradients (1:100 is recommended), but no trap is allowed.  The entire drainpipe should be closely wrapped with thermal insulation foam. Figure 3-44 Connecting the upflow drainpipe...
  • Page 83: Optional) Connecting The Water Inlet Pipe For The Wet Film Humidifier

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide If the drainpipe section reserved onsite is straight, connect an EPDM hose with an inner diameter of 19 mm to the drainpipe, and secure the drainpipe and the hose using a hold hoop.
  • Page 84: Optional) Leakage Test With Nitrogen

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-47 Downflow water inlet pipe (1) Water inlet pipe  Port reserved in the device: G 1/2 in. port with inner threads.  Onsite connection: Connect a pipe with a G 1/2 in. port and external threads to the port reserved in the device.
  • Page 85 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-48 Upflow Figure 3-49 Downflow Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 86: Leakage Test With Water

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Step 4 Then, check that the pressure reading on the pressure gauge remains unchanged. ----End Follow-up Procedure  If the pressure decreases, apply soapy water on the pipes, especially pipe joints to check for any leakage.
  • Page 87 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-50 Opening the chilled water valve Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 88 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-51 Opening the chilled water valve (applicable only to BOM numbers 52272560 and 52272562) Step 3 Slowly open the exhaust valve to discharge air. If you open the chilled water valve quickly, water may spill out of the water pan due to high pressure.
  • Page 89: Cable Connections

     For details about the current in full load, see the NetCol8000-C nameplate.  Requirements for the main power supply: 380–480 V AC, 3 Ph, 50 Hz/60 Hz for single power supply;...
  • Page 90 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-52 External ports of a connection box with a single power supply (1) Signal terminal block (2) Active power supply QF1 (3) Cable clamp (4) Ground screw Issue 06 (2020-01-13) Copyright ©...
  • Page 91 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-53 External ports of a connection box with dual power supplies (1) Signal terminal (2) Standby power supply QF2 (3) Active power supply QF1 block (4) Cable clamp...
  • Page 92: Connecting Power Cables

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-54 External ports of the electric control box (1) PSU (2) Main control module (3) Electric heater switch QF3 (4) Fan switch QF4 3.6.3 Connecting Power Cables Context ...
  • Page 93 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Step 2 Connect the PE cable to the cabinet ground screw, as shown in the following figure.  Upflow Figure 3-55 Underfloor cabling for upflow units with a single power supply Issue 06 (2020-01-13) Copyright ©...
  • Page 94 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-56 Underfloor cabling for upflow units with dual power supplies Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 95 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-57 Side cabling for upflow units with a single power supply Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 96 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-58 Side cabling for upflow units with dual power supplies  Downflow Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 97 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-59 Overhead cabling for downflow units with a single power supply Figure 3-60 Overhead cabling for downflow units with dual power supplies Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 98 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-61 Underfloor cabling for downflow units with a single power supply Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 99 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-62 Underfloor cabling for downflow units with dual power supplies Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 100 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-63 Side cabling for downflow units with a single power supply Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 101 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-64 Side cabling for downflow units with dual power supplies Step 3 A ground cable must be routed from the equipotential bonding point of the cabinet to the ground.
  • Page 102 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-65 Equipotential bonding point of an upflow unit (1) Equipotential bonding point Figure 3-66 Equipotential bonding point of a downflow unit (1) Equipotential bonding point ----End Issue 06 (2020-01-13)
  • Page 103: Connecting Signal Cables

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide 3.6.4 Connecting Signal Cables Prerequisites Before connecting signal cables, take effective ESD protection measures. Context The lower part of the terminal block is connected to the smart cooling product before delivery, and the ports at the upper part are for user signal cables.
  • Page 104 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Definition Function alarm if a smoke or water alarm occurs. When DO associated alarm is set to Critical&major ALM, the smart cooling product issues an alarm if a critical alarm occurs.
  • Page 105: Teamwork Networking And Monitoring

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide 3.6.5 Teamwork Networking and Monitoring 3.6.5.1 Main Control Module Ports for the teamwork and monitoring network cables are on the main control module. Figure 3-68 shows a main control module.
  • Page 106 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide  Smart cooling products in a teamwork group must be of the same model.  Before crimping cables, select the shielded RJ45 connector and shielded network cable. Ensure that the shield layer of the shielded network cable is in good contact with the shield layer of the shielded RJ45 connector to avoid signal interference.
  • Page 107 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-70 Teamwork cable route in the downflow scenario Figure 3-71 Connecting the CAN teamwork cable Make the network cable by referring to the following figure if required onsite.
  • Page 108: Connecting The Monitoring Network Cable

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-72 Sequence of the network cable 3.6.5.3 Connecting the Monitoring Network Cable Connecting the FE Monitoring Network Cable (SNMP/Modbus-TCP) Step 1 Connect one end of the monitoring network cable to the FE port on the smart cooling product...
  • Page 109 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide to group smart cooling products by four and connect the COM port of the main control module of the first smart cooling product in each group to the RS485 port of the EMS.
  • Page 110: Optional) Connecting The Water Leakage Sensor

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-74 Connecting the RS485 monitoring ----End 3.6.6 (Optional) Connecting the Water Leakage Sensor Procedure Step 1 Connect one end of the two-core cable for the water leakage sensor to the water leakage sensor.
  • Page 111 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-75 Connecting the water leakage sensor for an upflow unit  For downflow units: Route the cable through the cable hole at the bottom, and route it along the post and beam of the cabinet through the cable trough under the electric control box.
  • Page 112: Optional) Connecting The Gravity Damper (Applicable To Upflow Units)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-76 Connecting the water leakage sensor for a downflow unit Step 3 Connect the other end of the two-core cable to terminals X2.9 and X2.10 on the terminal block.
  • Page 113: Optional) Connecting The T/H Sensor Outside The Cabinet

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide For details about how to connect the motorized damper, see the documents delivered with it. 3.6.9 (Optional) Connecting the T/H Sensor Outside the Cabinet Context T/H sensors outside the cabinet are configured to detect the temperatures of cold/hot aisles.
  • Page 114 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-78 Downflow  The T/H sensors inside the cabinet are secured at the return air side and their IN ports are connected to the main control board. When connecting the T/H sensors outside the cabinet, connect the OUT port of one T/H sensor inside the cabinet to the IN port of the next T/H sensor outside the cabinet.
  • Page 115: Optional) Connecting The Direct Free-Cooling Plenum

    Temperature and humidity at the return air valve  The default addresses of T/H sensors purchased from Huawei are 1.  Keep the last RS485_R toggle switch at OFF.  After the addresses are set, power on the device. On the LCD home screen, choose Settings >...
  • Page 116: Optional) Connecting A Differential Pressure Sensor

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide For details about how to install the direct free-cooling plenum, see the documents delivered with it. 3.6.11 (Optional) Connecting a Differential Pressure Sensor Bind the pressure inlet tube along the pipeline, and the distance between two binding points should not exceed 2.5 m.
  • Page 117: Cooling Product

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-80 Installing a differential pressure sensor Step 2 Connect the longer PU hose to the port without the Lo (-) silk screen under the differential pressure sensor, and route the hose through the top of the cabinet to the supply air pipe static pressure box.
  • Page 118 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide  You do not need to connect the other port on the pressure differential sensor to the PU hose.  The pressure tube of the differential pressure sensor passes through the middle of the thermal insulation foam close to the inner side of the cabinet.
  • Page 119: Connecting A Downflow Differential Pressure Sensor

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-82 Connecting cables ----End 3.6.11.2 Connecting a Downflow Differential Pressure Sensor Prerequisites  The PU hoses for connecting the differential pressure sensor are ready.  The hoses and cables are bound along the routes.
  • Page 120 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-83 Installing a differential pressure sensor Step 2 Connect the shorter PU hose to the Lo (-) port above the differential pressure sensor, and secure the hose to the air return side using cable ties. (the pressure inlet is suggested to be at the middle of the top beam in the figure.
  • Page 121 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-84 Connecting the pressure tubes Step 4 Connect cables to the differential pressure sensor. Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 122: Optional) Installing A Cap (Applicable To Upflow Units)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-85 Connecting cables Step 5 Install the fan maintenance baffle plate. ----End 3.6.12 (Optional) Installing a Cap (Applicable to Upflow Units) Prerequisites Before installing the cap, attach the thermal insulation foam in the accessories to the top beam of the smart cooling product, and ensure that the reserved holes in the thermal insulation foam are aligned with the holes in the beam.
  • Page 123 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide the cold air can cool the device directly. It is recommended that the angle downward should not exceed 30 degrees to avoid that part of the cold air flows back to the smart cooling product, affecting the cooling effects.
  • Page 124 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Figure 3-87 Securing a cap Step 3 Secure the cap front panel to the frame, and adjust the angle of the front panel blade. Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 125: Installation Verification

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide  During the installation, grasp the panel frame instead of the blade to move the panel to avoid blade deformation.  The cap should be well sealed to the smart cooling product to ensure good sealing performance in-between.
  • Page 126 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Check Expected Result Actual Result Item □Passed □Failed The foreign matter inside the cabinet, such as cable ties and stubs, has been cleaned up. □Passed □Failed (Optional) The electric heater is secured.
  • Page 127 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Check Expected Result Actual Result Item □Passed □Failed The hose clamps and cable ties of the condensate water pipe are reliably secured. □Passed □Failed The water inlet and outlet pipes are properly installed and secured, without leaks.
  • Page 128 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 3 Installation Guide Check Expected Result Actual Result Item g plenum □Passed □Failed The T/H sensor is secured reliably and steadily as required. □Passed □Failed The differential pressure tube is reliably secured without blockage or bend.
  • Page 129: Commissioning

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Commissioning 4.1 Preparing for Power-On Context There is no phase sequence requirement for the cable connection to the smart cooling product. If a five-core cable is used, cut off the neutral wire and wrap the exposed part using PVC insulation tape.
  • Page 130: Power-On

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning 4.2 Power-On Procedure Step 1 Turn on the general switch, upstream switch, (optional) electric heater switch QF3, and fan switch QF4. For a device that has two power inputs, turn on the active power switch QF1 and standby power switch QF2.
  • Page 131 To prevent the effect of misoperation on the system during the O&M, log in as the operator user first before modifying parameters. Confirm with Huawei before modifying parameters that cannot be modified by operator users; otherwise, Huawei will not be liable for any consequences of the unauthorized modification.
  • Page 132 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Menu Parameter Description Configuration Principle the actual situation. Languag Date & Date format Specifies the date display Set the parameter according to Time format for the ACC. reading habits.
  • Page 133 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Menu Parameter Description Configuration Principle g function Settings be set to Enable, Disable, or electric humidifier will be (visible Enabled when active power. started when the ambient humidity is lower than the...
  • Page 134 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Menu Parameter Description Configuration Principle mode aisles based on the Average temperature is to be value, Max value, or Min controlled based on the value of the temperatures averaged data value collected by each sensor.
  • Page 135: Home Screen

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Menu Parameter Description Configuration Principle sensor 4 Hot aisle sensor 5 Comm Modbus Set the communication address The communication addresses Settings Comm of the smart cooling product as of two smart cooling products...
  • Page 136 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Table 4-3 Note for the page Items Note Permission status indicates that you have not logged in to the system. indicates that you have logged in to the system as an operator user.
  • Page 137: Initial Configuration

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Items Note active alarms. Login button / Logout indicates that you have not logged in to button the system, and can tap the icon to log in. indicates that you have logged in to the system as admin or operator user, and can tap the icon to log out.
  • Page 138 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Step 2 Set Cold aisle sensor 1 to Enable. Step 3 Set the temperature and humidity values by referring to Table 4-4. You are not recommended to modify the parameters not listed in Table 4-4.
  • Page 139: Optional) Setting The Pressure Difference Control

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Parameter Description Configuration Principle controlled based on the minimum data value collected by the collector. Temperature After the Temperature and humidity Set this parameter as required. setpoint control type and the temperature ...
  • Page 140: Setting Teamwork Control Parameters

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Parameter Description Configuration Principle difference setpoint pressure difference control. Air-side difference pressure Sets the measuring range for There is no default value. sensor type the air side differential Set it to 0~500 Pa.
  • Page 141 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Figure 4-4 Teamwork settings Step 2 Set teamwork control parameters. All teamwork control parameters can be set on the master smart cooling product. Only Teamwork group No., Air conditioner address, Enable teamwork CAN resistor, Teamwork function and Networking mode can be set on slave smart cooling products.
  • Page 142 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Parameter Description Configuration Default Principle Value distribution. disabled, this device is operating according to its own control. If the teamwork function is enabled, this device works in harmony with others that in the same group.
  • Page 143 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Parameter Description Configuration Default Principle Value period Rotation time 24 hours in a day (0–23). 0 by default Forced rotation Forced rotation This item is set to No by specifies whether to default.
  • Page 144 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Parameter Description Configuration Default Principle Value Cascade After the requirement If the heat load to the Disable function control is enabled, you device increases, the can configure Cascade cascade function is function.
  • Page 145 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Parameters Note Standby: responds to the requirement control when active one is faulty (critical alarms, shutdown, and offline) or cannot meet cooling requirements. M indicates the master unit, and S indicates a slave unit. Blue indicates that the device is operating, and gray indicates that the device is idle.
  • Page 146: Setting Communications Parameters

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning − If no, check the cable connection and the settings of teamwork control parameters. Check whether the number of active devices on the topology is the same as the actual device number.
  • Page 147 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning  If Link mode is Server, a smart cooling product can be accessed by element management system (EMS) client. If Link mode is Client, a smart cooling product can be connected only to the EMS with the corresponding IP address.
  • Page 148: Setting Communications Parameters (Snmp Protocol)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Parameter Setting Setting Method address the display panel, EMS client, and EMS server must be unique. This parameter is configurable when Link mode is set to Client. NMS port It is recommended that you retain the default value.
  • Page 149 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning  If you set SNMP Version to ALL or SNMPv3, you can add SNMPv3 users by performing Step Step 3 Set Read Community and Write Community. Tap the text box after Read Community, as shown in Figure 4-7.
  • Page 150 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning MD5 and DES protocols are not secure. It is recommended that you set Auth Protocol to SHA, and set Prop Protocol to AES. The following operations use the recommended settings as an example.
  • Page 151 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Figure 4-10 Setting an SHA password Set AES Password and Confirm Password as planned, and tap , as shown in Figure 4-11. Figure 4-11 Setting an AES password Tap Submit.
  • Page 152 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Figure 4-12 Setting SNMP port SNMP Port is set to 161 by default. Step 6 Tap Next Page. Step 7 Set SNMP trap parameters. Tap Add under SNMP Trap.
  • Page 153: Optional) Setting Wifi Parameters

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Tap Submit under SNMP Trap. ----End Follow-up Procedure After a USB flash drive has been inserted into the controller USB port and successfully identified, tap Export File under MIB File to export the MIB file to the USB flash drive for the customer's use in accessing a third-party EMS.
  • Page 154: Startup

    Enable the WiFi function. The default status is Disable. Step 3 Tap Submit. ----End 4.5 Startup Download the Service Expert app from Huawei app store and runs on Android. Apply for permission after downloading the app. Step 1 Tap Start on the home screen of the ACC. ...
  • Page 155 Service Expert app for initial startup verification. The Service Expert app can be downloaded from Huawei app store and runs on Android. User interfaces displayed in this document correspond to the APP software version V100R001C00B043T007 and are for reference only.
  • Page 156 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning  For offline boot, enter the barcode and the verification code on the mobile phone app. The app automatically generates a startup password for the smart cooling product. Then enter the password on the home screen of the ACC to start the smart cooling product.
  • Page 157 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Figure 4-18 Offline boot Step 3 Tap Offline Activation and the screen shown in Figure 4-19 is displayed. Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 158 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Figure 4-19 Generating a startup password Step 4 On the Offline Activation screen, enter Bar code and Verification code, which are available on the home screen of the ACC shown in Figure 4-15.
  • Page 159 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Online Boot Step 1 Insert the WiFi module to the USB port on the ACC. Step 2 Choose Settings > Comm Settings > WIFI Settings on the home screen of the ACC. Then set WiFi parameters and enable the WiFi function.
  • Page 160 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning  The preset user name is admin, and the preset password is Changeme.  If you change the login password on the smart cooling product LCD, the password for logging in to the Service Export app will be changed to what you set on the LCD.
  • Page 161: Startup Wizard

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Figure 4-21 Online boot Step 8 Tap OK and follow instructions as prompted on the screen until the success message for the startup is displayed on the screen. ----End 4.6 Startup Wizard...
  • Page 162 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning After you power on the smart cooling product for the first time, the screen displays the Wizard Commissioning. You can select to commission the smart cooling product or not. If you select to commission it at other times, choose Maint >...
  • Page 163 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Figure 4-23 Checking before startup Step 3 Tap Yes for check items one by one according to the prompt messages on the screen. Step 4 Tap Yes and enter the screen where you select commissioning items, as shown in Figure 4-24.
  • Page 164 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Figure 4-25 Fan commissioning The fan commissioning item is mandatory. After commissioning for a component succeeds, the system automatically performs commissioning for the next component you selected. If commissioning fails, startup wizard ends.
  • Page 165: Optional) Power-Off

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Figure 4-27 Commissioning unsuccessfully If commissioning fails, tap Commissioning failed. in Figure 4-27 to view the details, as shown in Figure 4-28. Figure 4-28 Details of failure ----End 4.7 (Optional) Power-off...
  • Page 166: Checking After Commissioning

    PDC. If the NetCol8000-C will be idle for a long time, ensure that the circulation water inside the system has a temperature no lower than 3° C , or has used antifreeze liquid, otherwise, the heat exchanging pipes of the smart cooling product may freeze up and crack.
  • Page 167 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 4 Commissioning Check Item Actual Result bottom plate, or it has been cleaned. □ Passed □ Failed The needle valve plug is secured (torque of 0.45± 0.05 N m), and valve bonnet is tightened.
  • Page 168: Webui

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 5 WebUI WebUI 5.1 Preparations and WebUI Login Prerequisites  Operating system: Windows 7 and later versions  Browser: IE9 and later versions, Firefox and later versions, Chrome and later versions.
  • Page 169 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 5 WebUI Figure 5-1 Setting internet options (Optional) Click the Connections tab and select LAN settings. (Optional) Under Proxy server, clear Use a proxy server for your LAN. Issue 06 (2020-01-13)
  • Page 170 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 5 WebUI Figure 5-2 Setting proxy server Click OK. Step 5 Log in to the WebUI of the smart cooling product. Enter https://IP address (such as IP address https://192.168.0.10) in the address box of the browser, and then press Enter to enter the WebUI login page.
  • Page 171: Webui Introduction

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 5 WebUI If the security certificate is not installed, an alarm will be displayed as Figure 5-4, and tap Continue to this website (not recommended).. Figure 5-4 Problem of the security certificate On the login page, enter the preset user name admin and preset password Changeme, select the language, and click Log In.
  • Page 172 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 5 WebUI Figure 5-5 Home page Table 5-1 Functions provided by the home page Functions Plan View  View the temperature and humidity control type and setpoints.  View cooling output, fan output, humidifying output, and heating output.
  • Page 173 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 5 WebUI Figure 5-6 WebUI menu hierarchy The actual menu hierarchy prevails. WebUI Common Functions Table 5-2 WebUI common functions Menu Functions Monitoring Monitor the device running information in real time, set device running parameters, and control the device running.
  • Page 174 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 5 WebUI Menu Functions Query Query historical alarms.  System Settings Upload the network security certificate.  Set the time zone, time, and date.  Set the IP address, SNMP, and NetEco network parameters.
  • Page 175: System Operation And Maintenance

    Pay attention to the safety symbols on the equipment and all safety instructions in this document. The safety precautions given in this document do not cover all safety precautions. Huawei will not be liable for any consequence caused by violation of the safety operation regulations and design, production, and usage standards.
  • Page 176: Monthly Maintenance

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance 6.2 Monthly Maintenance This section describes routine maintenance items for an indoor unit. Record maintenance results in the table after a maintenance item is complete. Table 6-1 Monthly maintenance...
  • Page 177: Semiannual Maintenance Items

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Maintenance Troubleshooting Item Operation is not damaged or distorted. Chilled water Check that the chilled water Secure the chilled water valve and the valve valve is secure and that the actuator cable.
  • Page 178 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Item Method Troubleshooting Water leakage Check that the water leakage Retighten the cables. sensor sensor is securely installed. Chilled water Check that the thermal Rewrap the thermal insulation foam.
  • Page 179: Annual Maintenance

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance 6.4 Annual Maintenance Table 6-3 Annual maintenance Maintenanc e Item Operation Troubleshooting T/H sensors Check that the If the temperature deviation is greater than temperature and 1°...
  • Page 180 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi 4. The high temperature alarm exist if the alarm threshold is inappropriate. persists in a long time after startup.
  • Page 181 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi damper humid invalid 1. The cables to the 1. Check the cables to a007 Return air...
  • Page 182 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi 1. The cables to the 1. Check the cables to a023 Electric Major An alarm is...
  • Page 183 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi system is 2. The SPD three-phase range. shut down. detection board is faulty. 2. Replace the SPD three-phase detection board.
  • Page 184 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi system is 2. The SPD three-phase the working range. shut down. detection board is faulty.
  • Page 185 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi standalone address. of the smart cooling mode. product units. 4. No smart cooling product unit is configured as the 4.
  • Page 186 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi 7. Maintain or replace the chilled water valve. 1. The temperature sensors or 1. Adjust the positions of...
  • Page 187 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi 1. The T/H sensors are located 1. Adjust the position of a051 Hot-aisle Critical An alarm is in inappropriate position.
  • Page 188 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi 6. Maintain or replace the air filters. 7. Maintain or replace the chilled water valve.
  • Page 189 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi threshold is inappropriate. humidity alarm threshold. 4. The temp displayed is different from the actual 4.
  • Page 190 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi NOTE After the fault is rectified, click Clear on the alarm page to manually clear the alarm.
  • Page 191 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi humidity sensor is faulty. humidity sensor. 1. The cables to the T/H 1. Check the cables to...
  • Page 192 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi power 24 V triggered. faulty. power supply module. overvoltage a168 Auxiliary Major An alarm is...
  • Page 193 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi Alarm dropped and is jammed. 2. Verify that the humidifier float can 3. The humidifier float...
  • Page 194 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi 1. The control cable to the 1. Check the feedback a199 Motorized Critical motorized damper is not...
  • Page 195 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi loss configured)may be faulty. the backup SPD. 1. The backup power supply 1. Check the backup...
  • Page 196 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi a220 Wizard Warnin Wizard startup in progress. Wait until wizard startup startup is in is complete or clear the...
  • Page 197 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alar Alarm Alarm Impact Possible Cause Solution m ID Name Severi is faulty. switch of the fresh air unit. 3. The threshold of fresh air filter blockage set on the 3.
  • Page 198 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause 1. The cables 1. Check the Supply water Major An alarm is to the cables to the temperature triggered.
  • Page 199 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause temperature alarm sensor or threshold. temperature 5. Calibrate or replace the humidity temperature sensor is sensor or...
  • Page 200 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause humidity temperature sensor is sensor or different temperature from the actual value. humidity sensor. 6. The air filters are 6.
  • Page 201 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause switch of the temperature humidity sensor humidity correctly. sensor is set 3. Maintain or incorrectly. replace the 3.
  • Page 202 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause failed humidity humidity sensor are sensor. loose or 2. Set the DIP damaged. switch of the 2.
  • Page 203 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause faulty. 1. The cables 1. Check the Cold aisle 3 Major to the cables to the...
  • Page 204 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause 4. The main control communicati board. ons port of the main control board is faulty. 1. The cables 1.
  • Page 205 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause temperature humidity humidity sensor. sensor is 4. Maintain or faulty. replace the 4. The main control communicati board.
  • Page 206 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause sensor humidity correctly. sensor is set 3. Maintain or incorrectly. replace the 3. The temperature temperature...
  • Page 207 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause threshold. runtime. 1. The 1. Maintain or Indoor fan 2 Warning An alarm is accumulated replace the triggered.
  • Page 208 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause reset switch 4. Replace the is not reset. electric heater. 4. The electric heater is faulty.
  • Page 209 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause loose or for the air damaged. filter. 6. The air damper for the air filter is faulty.
  • Page 210 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause enabled. A026-01 Air filter exceed Warning Maintain or runtime alarm accumulated replace the air runtime of the...
  • Page 211 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause located in humidity inappropriat sensors. e positions. 2. Add smart 2. The thermal cooling load power...
  • Page 212 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause inappropriat sensors. e positions. 2. Contact 2. The thermal Huawei load power technical is low. support.
  • Page 213 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause insufficient. support. 3. The ambient 3. Measure the temperature ambient exceeds the temperature. upper Check threshold.
  • Page 214 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause 3. The ambient 3. Measure the temperature ambient exceeds the temperature. upper Check threshold. whether other causes 4.
  • Page 215 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause fan is shut down. Indoor fan 4 Major An alarm is The indoor fan Maintain or...
  • Page 216 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause indoor fan. corresponding fan is shut down. Indoor fan 4 Major An alarm is The indoor fan...
  • Page 217 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause 1. The indoor 1. Check the Indoor fan 4 Major An alarm is fan ground ground cable...
  • Page 218 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause actual value. humidity sensor. 6. The air filters are 6. Maintain or blocked. replace the air filters.
  • Page 219 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause is stuck or replace the faulty. chilled water valve. 1. The thermal 1. Contact A093-01 High humidity...
  • Page 220 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause alarm 4. Calibrate or threshold is replace the inappropriat temperature humidity 4. The value sensors. detected by...
  • Page 221 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause 1. The 1. Check the A098-01 Supply-water Warning An alarm is temperature temperature low temperature triggered.
  • Page 222 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause 1. The indoor 1. Check the A120-01 Indoor fan 1 Major An alarm is communicati communication triggered.
  • Page 223 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause detection board communicati communicati comm. fail ons cable is ons cable. 2. Replace the connected SPD and properly.
  • Page 224 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause loose or the water damaged. pump cables are properly 3. The water connected. pump is faulty.
  • Page 225 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause inlet into the solenoid humidifier valve are pan from the loose or water inlet damaged. pipe of the humidifier.
  • Page 226 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause down. 1. The indoor 1. Clear the Indoor fan 4 Major An alarm is fan blade is blockage.
  • Page 227 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause fan is shut damaged. fan. down. 2. The indoor 2. Maintain or fan is faulty. replace the indoor fan.
  • Page 228 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause 1. The cables 1. Check the Indoor fan 4 Major An alarm is to the indoor...
  • Page 229 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause control type sensor that for the corresponds master unit to the is not temperature enabled on...
  • Page 230 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause the indoor controlling fan are the indoor faulty. fan. 1. The cables 1. Check A278-04 Chilled water...
  • Page 231 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause damaged. damper. 2. The air 2. Maintain or damper is replace the faulty. air damper. 1. The 1.
  • Page 232 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause loose or 2. Maintain or damaged. replace the temperature 2. The temperature humidity sensor. humidity sensor is faulty.
  • Page 233 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause 1. The cables 1. Check the Cold aisle 2 Major to the cables to the temp/humid...
  • Page 234 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause 2. The temperature temperature humidity humidity sensor. sensor is faulty. 1. The cables 1. Check the...
  • Page 235 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause sensor fault temperature temperature humidity humidity sensor are sensor. loose or 2. Maintain or damaged. replace the 2.
  • Page 236 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause humidity humidity sensor. sensor is faulty. 1. The cables 1. Check the Cold aisle 1 Major...
  • Page 237 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause humidity humidity sensor are sensor. loose or 2. Maintain or damaged. replace the 2. The temperature...
  • Page 238 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause sensor is faulty. 1. The cables 1. Check the Return air Major to the cables to the...
  • Page 239 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause liquid level sensor, check its cable connections, clear the obstacles, or replace it. A27F-02 Water overflow...
  • Page 240 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause supplied. board is voltage faulty. detection board. 1. The power 1. Check that Backup power Major...
  • Page 241 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause board is voltage faulty. detection board. 1. The power 1. Check that A281-08 Power voltage Major...
  • Page 242 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause detection connection board are to the SPD loose or and voltage damaged. detection board. 3. The SPD and voltage 3.
  • Page 243 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause board is voltage faulty. detection board. 1. The power 1. Check that A281-40 Power voltage Major...
  • Page 244 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Alarm ID Alarm Name Alarm Impact Possible Solution Severity Cause board. 1. The power 1. Check the A282-01 Power phase Major An alarm is grid is power grid.
  • Page 245: Troubleshooting

    User Manual 6 System Operation and Maintenance 6.6 Troubleshooting Certain circuits in the NetCol8000-C have lethal voltage. Only professional technicians are allowed to perform maintenance. Exercise caution during live-line troubleshooting. If jumpers are used for troubleshooting, remove them after troubleshooting. Connected jumpers may affect control functions and damage equipment.
  • Page 246 The thermal insulation foam of the Check whether thermal insulation foam of the at the bottom NetCol8000-C is damaged. NetCol8000-C is securely installed and repair the damaged thermal insulation tube. The drainpipe is blocked. Ensure that the drainpipes are not over-bent and the drainpipe connectors are securely installed.
  • Page 247: Parts Replacement

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Symptom Possible Cause Reference Solution The humidifier water The water pump is faulty or the Replace the water pump or reconnect the pump fails to supply cable connection is incorrect.
  • Page 248 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Procedure Step 1 Open the cabinet front door.  Each module has four filters.  Install the air filter based on the air flow direction indicated on the frame.
  • Page 249: Replacing The Wet Film Humidifier

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-2 Removing a downflow air filter Step 3 Install a new air filter by performing Step 2 Step Step 4 On the home screen, choose Maint > Performance Maint to enter the performance maintenance screen and clear the runtime of the air filter.
  • Page 250 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-3 Removing an upflow wet film humidifier Figure 6-4 Removing a downflow wet film humidifier Step 3 Remove the sheet metal fastener using a Phillips screwdriver.
  • Page 251: Replacing The Differential Pressure Switch

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Step 5 Extract the wet film humidifier. Step 6 Reinstall the wet film humidifier by performing Step 5 Step After replacing the wet film humidifier, properly install and secure the humidifier water inlet pipe.
  • Page 252 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-5 Removing an upflow differential pressure switch Figure 6-6 Removing a downflow differential pressure switch Step 5 Remove the screw from the differential pressure switch cover and take out the cable.
  • Page 253: Replacing A T/H Sensor

    (Downflow) Connect a pressure tube to the + mark on the differential pressure switch and route the pressure tube to the top of the NetCol8000-C. Connect a pressure tube to the – mark on the differential pressure switch and route the pressure tube to the bottom of the NetCol8000-C.
  • Page 254 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-7 Replacing an upflow T/H sensor Figure 6-8 Replacing a downflow T/H sensor Before installing the new T/H sensor, ensure that its DIP switch setting is consistent with that on the original T/H sensor.
  • Page 255: Replacing The Water Valve Actuator (Inapplicable To 52272560 And 52272562)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Step 5 Connect cables to the RS485_IN and RS485_OUT ports, and install a new T/H sensor in the original position. Step 6 Close the front door.
  • Page 256 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Insert the hex key on the handle into the hole in the front of the actuator, as shown by (2) Figure 6-9. Turn the handle in the direction shown by (3) in...
  • Page 257: Replacing The Water Valve Actuator (Applicable Only To 52272560 And 52272562)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-11 Installing an actuator (1) Valve body (2) Actuator (3) Connecting plate (4) Actuator handle Install the new water valve actuator by performing Step 5.2...
  • Page 258: Replacing The Chilled Water Valve

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Step 2 Open the front door and turn off the general switch. For a device that has two power inputs, turn off the active power switch QF1 and standby power switch QF2.
  • Page 259 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Before removing the valve, close the upstream valve for water inlet/outlet pipes and drain all water from the smart cooling product. Step 4 Remove the hold hoops from both ends of the chilled water valve body using a 15# socket...
  • Page 260: Replacing The Fan

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Step 9 Tap Maint > Performance Maint on the home screen and clear the chilled water valve runtime. ----End 6.7.8 Replacing the Fan Context Recommended tools and materials: 13# socket wrench, small-sized flat-head screwdriver, security torx wrench Exercise caution during replacement as the fan is comparably heavy.
  • Page 261 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-14 Removing the fan maintenance baffle plate Step 3 Remove the fan power cable terminals and signal cable terminals. Remove the four screws that secure the fan using a 13# socket wrench, and pull out the fan.
  • Page 262 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-15 Removing the screws that secure the fan Step 4 After pulling out the fan halfway, press the buckle on the left under the fan, and pull out the fan completely.
  • Page 263 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-16 Pressing the fan buckle Figure 6-17 Moving the fan Step 5 Remove the screws that secure the fan bottom plate and support to the fan.
  • Page 264 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-18 Removing screws from the connection box Step 6 Remove the connection box cover using a security torx wrench. Figure 6-19 Removing a connection box cover Step 7 Open the connection box.
  • Page 265: Replacing The Fan (Downflow)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-20 Cable connections The preceding figure shows fan 2. Step 8 Reinstall the fan by performing Step 7 Step 2 and connect the cable. Step 9 Turn on the general switch and fan switch QF4. The LCD lights up. Choose Alarms > Query Act.
  • Page 266 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Exercise caution because the device is still energized when it is shut down over the LCD. Step 2 Open the front door and turn off the general switch. For a device that has two power inputs, turn off the active power switch QF1 and standby power switch QF2.
  • Page 267 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-22 Removing the screws that secure the fan Step 4 Lift the fan and remove the support beam at the bottom. Then rotate the fan to 90 degrees to the bottom and secure the removed beam to the fan bottom.
  • Page 268 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-23 Turning a fan Figure 6-24 Secure the beam Step 5 Remove the connection box cover using a security torx wrench. Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 269 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-25 Removing a connection box cover Step 6 Open the connection box. Hold the area marked by gray in the following figure using a small...
  • Page 270 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance The preceding figure shows fan 2. Step 7 Remove the screws that secure the fan bottom plate, and pull the entire fan out of the cabinet.
  • Page 271 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-28 Removing the screws securing the fan to the bottom plate Step 9 Reinstall the fan by performing Step 8 Step 3 and connect the cable.
  • Page 272: Replacing The Psu

    When replacing a main control module, remove the cable from the module.  To replace the main control module, download the software and ACC software upgrade guide from Huawei websites, and upgrade it on the LCD. Procedure Step 1 Tap Shutdown on the LCD home screen.
  • Page 273: Replacing The Electric Heater

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-29 Removing a PSU Step 3 Take out the handle and pull out the PSU from the subrack, as shown by (2) in Figure 6-29.
  • Page 274: Replacing The Electric Heater (Upflow)

    Cooling Product User Manual 6 System Operation and Maintenance The electric heater support is inside the NetCol8000-C. Exercise caution during maintenance to prevent internal components from scratches or damage.  When removing the bolts from the heater support, ensure that the bolts do not drop into the fan interior.
  • Page 275 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-30 Removing the fan maintenance baffle plate Step 4 Remove the two bolts that secure the electric heater support and take out the support. Figure 6-31 Removing an electric heater Issue 06 (2020-01-13) Copyright ©...
  • Page 276: Replacing The Electric Heater (Downflow)

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Step 5 Remove the four bolts from both ends of the electric heater and take out the electric heater and its cable. Figure 6-32 Electric heater position...
  • Page 277 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-33 Removing the fan maintenance baffle plate Step 4 Remove the two bolts that secure the electric heater support and take out the support. Figure 6-34 Removing an electric heater support Step 5 Remove the four bolts from both ends of the electric heater and take out the electric heater and its cable.
  • Page 278: Replacing The Low Liquid Level Detector

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-35 Electric heater position Step 6 Install and secure the new electric heater by performing Step 5 Step 3. Install the fan maintenance baffle and close the front door.
  • Page 279 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-36 Removing butterfly nuts from the low liquid level detector  For downflow units: Remove the captive screws on the low liquid level detector fastener using a Phillips screwdriver and pull out the fastener upwards.
  • Page 280 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-37 Removing screws from the low liquid level detector Step 5 Turn the captive screws and take out the low liquid level detector, as shown in Figure 6-38.
  • Page 281 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 6 System Operation and Maintenance Figure 6-38 Removing a low liquid level detector Step 6 Install a new low liquid level detector by performing Step 5 Step ----End Issue 06 (2020-01-13)
  • Page 282: Faq

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ 7.1 Operations on the LCD 7.1.1 Querying Temperature and Humidity Curves Context The T/H Curve screen displays temperature and humidity curves showing the recent temperature and humidity changes. You can choose to display the curves showing data changes of recent one hour, one day, seven days, or 30 days.
  • Page 283: Querying Logs

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ  The temperature and humidity curves show the current average temperature and humidity of the control type.  You can tap to zoom in or out the range of the temperature and humidity ordinate.
  • Page 284: Querying Version Details

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ  Choose Running > System Overview on the home screen, the related screen is displayed. Figure 7-3 System overview ----End 7.1.4 Querying Version Details Context When the display board (APP) and control board (APP) versions are inconsistent in...
  • Page 285: How To View Teamwork Control Information

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ 7.1.5 How to View Teamwork Control Information Procedure Step 1 On the home screen, choose > . The teamwork control information is displayed. Master/Slave flag indicates the information of this single unit. Other information is about the teamwork control information of the group.
  • Page 286 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-4 Details  If the icon is not displayed on the Details screen, the alarm can be automatically cleared after the fault is rectified.  If the icon is displayed on the Details screen, it indicates that the alarm can be cleared manually.
  • Page 287: Deleting Historical Alarms

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Historical alarms are displayed in chronological order. The latest cleared alarm is displayed in the uppermost row. 7.1.8 Deleting Historical Alarms Context To delete historical alarms, log in as the admin user.
  • Page 288: Clearing The Runtime

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ 7.1.10 Clearing the Runtime Context Performance value clearance can be performed only after component maintenance. Otherwise the component may run overtime and degrade performance. Procedure Step 1 On the home screen, choose Maint > Performance Maint.
  • Page 289: Calibrating The Screen

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ ----End 7.1.12 Calibrating the Screen Context  You can calibrate for touching point deviation on the touchscreen.  You can calibrate the screen by tapping the screen on the Screen Calibration page or by DIP switch.
  • Page 290: How To Modify A Password

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-8 Screen displayed when the calibration is complete  Calibrating the screen by DIP switch. Flip toggle switch 1 for the display to ON, and others to the opposite position, and wait for 3 seconds before calibrating.
  • Page 291 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-9 User Settings Step 2 Tap Password to enter the password changing screen, as shown in Figure 7-10. It is recommended that the password should contain at least two types of characters.
  • Page 292 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-10 Modifying the password ----End Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 293: How To Set Alarm Parameters

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ 7.1.14 How to Set Alarm Parameters Context  To set an alarm threshold, follow the instructions in this section.  The method for setting each alarm is the same. This section describes how to set Threshold of Supply air high temperature alarm to 45.
  • Page 294: How To Commission Single Component

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-12 Setting alarm parameter 2 ----End 7.1.15 How to Commission Single Component Context  On the diagnostic mode screen, you can turn on or off components, and control their output ratio.
  • Page 295: Restoring Factory Settings

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ  When the electric heater is turned on, the indoor fans will turn on automatically.  When the electrode humidifier is turned on, the indoor fans and inlet water solenoid valve will start automatically.
  • Page 296: Which Parameters Are Restored To Default Values After Default Settings Are Operated

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-13 SW button on the main control module Step 3 The LCD displays a dialog box asking you to confirm the operation of restoring factory settings.  To continue restoring factory settings, tap Yes, go on the next step.
  • Page 297: Exporting Data

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ To prevent key data from being lost, you are recommended to record all parameter values or back up data with export configurations before restoring defaults. Then change the parameter values back to the recorded values after restoring defaults.
  • Page 298: How To Export And Import A Configuration File

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-14 Select path Step 2 Tap the file where the user saves current data in the Select Path dialog box and tap Next. Then tap Yes in the displayed dialog box.
  • Page 299 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ You can export parameter configurations for smart cooling product 1 to a USB flash drive. If smart cooling product 2 needs the same parameter configurations, import the configuration file to smart cooling product 2.
  • Page 300 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Step 5 Tap Maint > USB Operations > Import Config on the screen of smart cooling product 2, as shown in Figure 7-18. Figure 7-18 Select file Step 6 Select the file that needs to be imported and tap Next, as shown in Figure 7-19.
  • Page 301 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-20 Data process 1 Figure 7-21 Data process 2 Step 8 After the file is imported successfully, Figure 7-22 is displayed. Then tap Finish. Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 302: How To Change The Ssh Access Password

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-22 Importing the file successfully If the file fails to be imported, a failure message will be displayed. Step 9 Tap Maint > USB Operations > Remove USB to remove the USB flash drive.
  • Page 303 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-23 Entering the user name and password The new password should meet the following requirements:  Contains at least eight characters.  Contains at least two types of characters: lowercase letter, uppercase letter, digit, space, and special character (`~!@#$%^&*()-_=+\|[{}];:'",<.>/?).
  • Page 304 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-24 Switching to the root user Step 4 Enter passwd (the password change command) to change the password. In the displayed window, enter a new password and confirm it, as shown in...
  • Page 305: How To Import A Certificate And A Key

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ 7.1.21 How to Import a Certificate and a Key Prerequisites You have obtained CA certificate file, local certificate file, and key file into a USB disk that is connected to the USB port located on the side of the screen and has been recognized.
  • Page 306: Correlation Relationship Of Parameters

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ  If files fail to be imported, the message indicating the cause for failure will be displayed. Rectify the fault according to the message and import files again. ----End 7.1.22 Correlation Relationship of Parameters...
  • Page 307: Webui Operations

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Indoor fan min return/supply air temperature difference ≤ Indoor fan max return/supply  air temperature difference  Only when Direct free-cooling is set to No, Motorized damper can be set to Enable.
  • Page 308 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Figure 7-27 Changing the login password Input the Login password, and click Submit. Figure 7-28 Recertification Step 2 Add a WebUI user. Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 309: How To Install A Network Security Certificate

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ Choose Maintenance > User Management. The user management page is displayed. Click Add. Specify User Name, Password, Confirm Password, Password Validity Period, Advance Warning Before Password Expires (days), and Timeout Interval, select appropriate values from the Authority and Login Source drop-down list boxes, and click Confirm.
  • Page 310: How Can I View Active Alarms And Historical Alarms

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ 7.2.3 How Can I View Active Alarms and Historical Alarms? Procedure Step 1 Log in to the smart cooling product WebUI as an administrator. Step 2 Choose Home > Active Alarm to view the active alarms of the smart cooling product. Click Details in the Alarm Description area to view alarm details of devices.
  • Page 311: How Can I Export Fault Information

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ 7.2.5 How Can I Export Fault Information? Procedure Step 1 Log in to the smart cooling product WebUI as an administrator. Step 2 Choose Maintenance > Fault Information. Step 3 (Optional) Select Encryption Password for Export and enter an encryption password.
  • Page 312: How Can I View Version Information

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 7 FAQ 7.2.7 How Can I View Version Information? Procedure Step 1 Log in to the WebUI as an administrator. Step 2 Click in the upper right corner of the home page and view the version information.
  • Page 313: Glycol Adding Requirements

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual 8 Glycol Adding Requirements Glycol Adding Requirements  Purchase glycol and corrosion inhibitor from a local qualified smart cooling product installation company.  Determine the glycol volume concentration based on the lowest temperature in record in the area.
  • Page 314: A Appendix

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Appendix A.1 Electrical Conceptual Diagram Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 315 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 316 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 317 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 318 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 319 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 320 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 321 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 322 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 323 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 324 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 325: Acronyms And Abbreviations

    NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix A.2 Acronyms and Abbreviations Advanced cooling controller Control Area Network Computational Fluid Dynamics Electronic serial number Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.
  • Page 326 NetCol8000-C(070-260) In-room Chilled Water Smart Cooling Product User Manual A Appendix Thin Film Transistor Positive temperature coefficient Issue 06 (2020-01-13) Copyright © Huawei Technologies Co., Ltd.

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