Page 1 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual Issue Date 2020-10-10 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
User Manual About This Document About This Document Purpose This document describes the NetCol8000-A045D, NetCol8000-A045U, NetCol8000- A055D, NetCol8000-A060D, NetCol8000-A060U, NetCol8000-A090D, and NetCol8000-A120D in-room air cooled smart cooling products in terms of product overview, installation, power-on commissioning, system maintenance, and FAQs, helping readers systematically understand how to use and maintain the smart cooling products.
Page 4 12.1 How Do I Issue a Start/ Shutdown Command?. Added 12.3.16 How Do I Query the Setting of a Parameter Before Change?. 2020-07-06 Added descriptions about the NetCol8000-A055D. 2020-04-20 This issue is the first official release. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 5: Table Of Contents
3 Technical Specifications....................... 37 3.1 Indoor Unit....................................37 3.2 Outdoor Unit..................................40 3.3 Low Temperature Component............................44 3.4 Water-Cooled Module................................. 45 3.5 Operating Environment..............................46 4 System Installation....................... 51 4.1 Installation Requirements..............................51 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 6 4.7.1 Checking the Nitrogen Pressure........................... 94 4.7.2 Removing Transport Fasteners............................95 4.7.3 Securing the Low Temperature Component......................95 4.8 Connecting Pipelines................................96 4.8.1 Notices for Laying Pipes..............................96 4.8.2 Welding Indoor Unit Pipes............................. 99 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 7 6.5 Initial Configuration................................179 6.5.1 Setting T/H Sensor Parameters..........................179 6.5.2 (Optional) Setting the Pressure Difference Control....................182 6.5.3 (Optional) Setting Teamwork Parameters......................182 6.5.4 Setting Communications Parameters........................188 6.5.4.1 Setting Access Control Parameters........................188 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 8 11.6.1 Replacing an Electric Heater (Upflow)......................... 264 11.6.2 Replacing an Electric Heater (Downflow)......................265 11.7 Replacing a Compressor..............................266 11.8 Replacing a Filter Dryer..............................270 11.9 Replacing an Indoor Fan..............................272 11.9.1 Replacing an Indoor Fan (NetCol8000-A045U)....................272 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 9 12.4.7 How Do I View Version Information?........................305 A Electric Control Box Layout....................306 A.1 Indoor Unit................................... 306 A.1.1 NetCol8000-A045/A090/A055............................306 A.1.2 NetCol8000-A060/A120............................... 309 A.2 Outdoor Unit..................................310 A.2.1 NetCol500-A060................................310 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd. viii...
Page 10 E.1.3 NetCol8000-A060................................347 E.1.4 NetCol8000-A090................................349 E.1.5 NetCol8000-A120................................351 E.2 Outdoor Unit..................................352 E.2.1 NetCol500-A060................................353 E.2.2 NetCol500-A080................................354 E.2.3 NetCol500-A110................................355 E.2.4 NetCol500-A120................................356 E.2.5 NetCol500-W055................................357 F Acronyms and Abbreviations....................358 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 11: Safety Information
● Failure to follow the operation instructions and safety precautions on the product and in this document ● Equipment damage due to force majeure, such as earthquakes, fire, and storms Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 12 ● Keep irrelevant people away from the equipment. Only operators are allowed to access the equipment. ● Use insulated tools or tools with insulated handles, as shown in the following figure. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 13 Do not change the structure or installation sequence of equipment without permission. ● Do not touch a running fan with your fingers, components, screws, tools, or boards before the fan is powered off or stops running. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 14: Personnel Requirements
Do not operate the equipment in the absence of a properly installed ground conductor. ● Ensure that the equipment is connected permanently to the protective ground. Before operating the equipment, check its electrical connection to ensure that it is securely grounded. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 15 0°C. Handle cables with caution, especially at a low temperature. – Cables stored at subzero temperatures must be stored at room temperature for at least 24 hours before they are laid out. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 16: Installation Environment Requirements
Install the equipment in an area far away from liquids. Do not install it under areas prone to condensation, such as under water pipes and air exhaust vents, or areas prone to water leakage, such as air conditioner vents, ventilation Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 17 Any violations must be promptly pointed out by the site manager or safety supervisor and the involved personnel should be prompted for correction. Personnel who fail to stop violations will be forbidden from working. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 18: Mechanical Safety
Ensure that the wider end of the ladder is at the bottom, or protective measures have been taken at the bottom to prevent the ladder from sliding. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 19 When pulling the equipment out of a cabinet, be aware of unstable or heavy objects on the cabinet to prevent injury. ● Be cautious to avoid injury when moving heavy objects. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 20: Cooling System Safety
● When maintaining or replacing components, pay attention to high-pressure components (such as the compressor and refrigerant pipe) to prevent the refrigerant system from being cracked or exploded due to misoperations. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 21: Others
The dealer can help you recycle devices in a safe and environment-friendly way. 1.7 Others Exercise caution when shutting down the smart cooling product. Doing so may cause equipment and room overheating, which will damage the equipment. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 22: Product Description
NetCol8000-A045D40E4 ● NetCol8000-A045U4WD4 ● NetCol8000-A045U40D4 ● NetCol8000-A045U4WE4 ● NetCol8000-A045U40E4 ● NetCol8000-A055D4WE4 ● NetCol8000-A060D40E4 ● NetCol8000-A060D4WE4 ● NetCol8000-A060U40E4 ● NetCol8000-A060U4WE4 ● NetCol8000-A090D4FD4 ● NetCol8000-A090D40D4 ● NetCol8000-A090D4FE4 ● NetCol8000-A090D40E4 ● NetCol8000-A120D40E4 ● NetCol8000-A120D4FE4 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 23: Outdoor Unit Model Number Description
Special identifier for 4: no condensate pump, dual power supplies orders 2.1.2 Outdoor Unit Model Number Description This document involves the following product models: ● NetCol500-A060MC1D0 ● NetCol500-A060MC1E0 ● NetCol500-A060MS1E0 ● NetCol500-A080MC1D0 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 24: Water-Cooled Module Model Number Description
Packaging type D: packaging code D E: packaging code E Special identifier for 0: none orders 2.1.3 Water-Cooled Module Model Number Description This document involves the following product model: ● NetCol500-W0556C4E0 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 25: Overview
The refrigerant is discharged to the outdoor unit using the compressor, releasing heat to the outdoor environment. The indoor unit and outdoor condenser are connected and circulate using refrigerant in a sealing manner. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 26 NetCol8000-A090 and NetCol8000-A120 is a dual system. The outdoor units NetCol500-A060, NetCol500-A080, NetCol500-A110, and NetCol500-W055 (water-cooled module) are single-system units. The NetCol500- A120 is a dual-system unit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 27 Figure 2-4 NetCol8000-A045 configuration NO TE Except for scenario 4, the upflow and downflow devices use the same outdoor unit. The following uses a downflow device as an example. Figure 2-5 NetCol8000-A090 configuration Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 28: Component Description
NO TE The upflow and downflow devices use the same outdoor unit. The following uses a downflow device as an example. Figure 2-8 NetCol8000-A120 configuration 2.3 Component Description 2.3.1 Indoor Unit Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 29: Indoor Unit
(11) Oil separator (12) Discharge sensor humidifier (optional) pressure sensor (13) User wiring (14) Temperature and (15) Differential (16) Main control terminal humidity (T/H) sensor pressure switch module (17) Display module Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 30 (10) Evaporator (11) Discharge (12) User wiring pressure sensor terminal (13) T/H sensor (14) Differential (15) Main control (16) Electric control pressure switch module (17) Display module (18) Electric heater (optional) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 31 (12) Suction pressure sensor (13) Oil separator (14) Discharge (15) Wet film (16) User wiring pressure sensor humidifier (optional) terminal (17) Wet film (18) Main control (19) Differential humidifier module pressure switch Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 32 (11) Oil separator (12) Wet film sensor humidifier (optional) (13) Discharge (14) User wiring (15) T/H sensor (16) Main control pressure sensor terminal module (17) Differential (18) Electric control pressure switch Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 33 (10) Compressor (11) Fan (12) Wet film humidifier (optional) (13) User wiring (14) T/H sensor (15) Differential (16) Main control terminal pressure switch module (17) Integrated (18) Indoor fan drive variable-frequency drive Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 34 (10) Sight glass (11) Filter dryer (12) Compressor sensor (13) Integrated (14) User wiring (15) T/H sensor (16) Main control variable-frequency terminal module drive (17) Display module (18) Electric heater (optional) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 35 – The NetCol8000-A uses a DC inverter compressor that features compact size, light weight, a long service life, low noise, easy installation as well as high reliability, stability, and energy efficiency. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 36 The G4 air filter is used. The air filter meets the relevant requirements of the China National Standard GB/T 14295-2008. ● Wet film humidifier – The wet film humidifier achieves zero power consumption. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 37: Display Module
The NetCol8000-A provides built-in negative temperature coefficient (NTC) temperature sensors and return air T/H sensors. 2.3.1.2 Display Module Appearance The display module provides a 7-inch true-color touchscreen that provides man- machine interfaces for query, setting, management, and maintenance. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 38 Description Single unit Each unit has an independent control system to ensure normal control and high-precision operation. Operations Users can set parameters and query status on the 7-inch true- color touchscreen. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 39 Power Supports alarm reporting, fault diagnosis, and alarm recording management for reverse phase, open phase, overvoltage, undervoltage, high frequency, and low frequency; provides functions such as automatic protection, recovery, and restart. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 40: Main Control Module
(1) Running indicator (2) Alarm indicator (3) FE_1 port (4) CAN_IN port (5) RS485/12V port (6) USB port (7) SW button (8) FE_2 port (9) CAN_OUT port (10) COM/FE port (11) DP port Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 41 PIN4 RS485 R+ RS485 RS485+ PIN5 RS485 R– RS485 RS485– HT– PIN6 FE RX– FE RX– PIN7 CANH PIN8 CANL ● USB port: connects a WiFi module or USB flash drive. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 42 5 minutes. You can press and hold down the button for 10s to enter the risky operation screen. Exercise caution because a risky operation may affect system data. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 43: Outdoor Unit
A low temperature component is required to address this issue. The low temperature component automatically controls the condensing pressure to ensure that the smart cooling product works safely and reliably at an outdoor ambient temperature of –40°C. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 44: Water-Cooled Module
(7) Port for the indoor unit gas pipe 2.3.4 Water-Cooled Module Components The NetCol500 water-cooled module consists of an electric control box, an water valve actuator, and a rack. The following describes the components and configuration. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 45: Physical Ports
G 3/4 inch outer screw thread inlet pipe port Drainpipe port BSPP 3/4 inch, inner screw thread Outdoor Refrigerant liquid Outer diameter of 5/8 inch (15.88 mm), unit pipe port welding Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 46 Connecting to the Outer diameter of 5/8 inch (15.88 mm), outdoor unit liquid welding pipe Connecting to the Outer diameter of 7/8 inch (22.22 mm), outdoor unit gas welding pipe Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 47: Technical Specifications
380–415 V AC, 3-phase, 50 Hz/60 Hz Number of fans Total cooling capacity (kW) Sensible cooling capacity (kW) 11250 11250 22500 Air volume (m (Optional) Reheating capacity (kW) (Optional) Humidification capacity (kg/h) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 48 Power supply 380–415 V AC, 3-phase, 50 Hz/60 Hz Number of fans Total cooling capacity (kW) Sensible cooling capacity (kW) 13000 Air volume (m (Optional) Reheating capacity (kW) (Optional) Humidification capacity (kg/h) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 49 ● With heating ● With heating operating current (A) - single power humidification: humidification: humidification: supply ● Without ● Without ● Without heating and heating and heating and humidification: humidification: humidification: Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 50: Outdoor Unit
1000 1000 Air filter level Net weight (kg) a: Tested under rated working conditions (indoor dry-bulb temperature: 35°C, relative humidity: 26%; outdoor temperature: 35°C). 3.2 Outdoor Unit Figure 3-1 NetCol500-A dimensions Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 51 M8x80 stainless expansion bolts. The NetCol500-A110 use round mounting holes and must be secured by six M8x80 stainless expansion bolts. Figure 3-2 NetCol500-A060/A080/A120 hole dimensions (mm) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 52 (mm) NetCol500- 52273539, 1044 1178 1058 A060 52273539-00 52273539-00 1047 1181 1058 NetCol500- 52273541, 1874 2011 1058 A080 52273541-00 NetCol500- 52273755-00 1044 1178 2018 2152 A120 NetCol500- 52274570 1076 1035 A110 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 53 Storage –40°C to +70°C temperature Storage 5%–95% RH (non-condensing) humidity Environment NetCol500- Class B Class B Class B type A060MC1D0: Class B NetCol500- A060MS1E0: Class C Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 54: Low Temperature Component
The NetCol500-A060MS1E0 outdoor unit must not be installed in class D environments, and other outdoor units must not be installed in class C or class D environments. 3.3 Low Temperature Component Figure 3-4 Appearance and dimensions Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 55: Water-Cooled Module
Figure 3-6 NetCol500-W hole dimensions Table 3-5 Operating environment specifications of the water-cooled module Item Technical Specifications Power supply 220–240 V AC, 1 Ph+N+PE, 50 Hz/60 Hz Refrigerant R410A Heat exchanging 55 kW capacity Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 56: Operating Environment
3.7 km away from the sea or pollution sources (such as salt lakes, chemical plants, mineral plants, thermal power plants, and coal mines). Net weight 63 kg 3.5 Operating Environment Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 57 Humidity ±5% RH adjustment precision Indoor 18–40°C operating temperature Operating 20%–80% RH humidity Storage –40°C to +70°C temperature Storage 5%–95% RH (non-condensing) humidity Air outlet 0–300 Pa (adjustable) static pressure Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 58 ● Outdoor unit: IPx5 Quakeproof Richter scale 8–9 level Installation Installed on an ESD floor or a concrete floor mode Piping and Route pipes and cables from the bottom or side. cabling Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 59 This is not a product quality issue and should be dealt with by adding a dehumidifier. Table 3-8 Installation requirements Item Specifications Equipm Width ≥ 1.3 m; height ≥ 2.3 m room door Floor Bearing capacity ≥ 400 kg/m Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 60 (RCCB) that is not sensitive to the single-phase DC pulses and transient current pulses. Note: If the requirements are not met, contact Huawei technical support for an optimized plan. Issue 05 (2020-10-10)
Page 61: System Installation
1:200. The pipe tilting direction should be consistent with the hypotenuse of the right triangle. ● Pipes through the wall or floor of the equipment room should be routed in tubes, between which sealing measures (firestop putty recommended) are taken. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 62: Layout Principles (Netcol500-A110)
1:200. The pipe tilting direction should be consistent with the hypotenuse of the right triangle. ● Pipes through the wall or floor of the equipment room should be routed in tubes, between which sealing measures (firestop putty recommended) are taken. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 63: Requirements For Installing The Indoor Unit
● During the unit operation, all doors and windows of the equipment room should be closed to reduce the additional load of the smart cooling product. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 64 NetCol8000-A045, NetCol8000-A055, and NetCol8000-A090, or 1100 mm for the NetCol8000-A060 and NetCol8000-A120. If the front distance cannot meet the requirements, remove the front door for maintenance. The minimum distance is 800 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 65 1100 mm for the NetCol8000-A060 and NetCol8000-A120. If the front distance cannot meet the requirements, remove the front door for maintenance. The minimum distance is 800 mm. Figure 4-5 Layout of side pipe routing (1) NetCol8000-A Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 66: Outdoor Unit Installation Requirements
The installation method is as follows. Figure 4-6 Installation modes (using the NetCol500-A060 as an example) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 67 ● The NetCol500-A080 and NetCol500-A110 are used as an example to illustrate horizontal installation. The NetCol500-A080 is used as an example to illustrate vertical installation. Horizontal and vertical installation scenarios Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 68 Figure 4-8 Space requirements for horizontal installation (for NetCol500-A080) (unit: mm) Figure 4-9 Space requirements for horizontal installation (for NetCol500-A110) (unit: mm) Figure 4-10 Top view of vertical installation space for the NetCol500-A080 without an air baffle (unit: mm) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 69 If the space does not meet the requirements of the recommended layout, you can use any of the following layouts (applicable only to NetCol500-A060, NetCol500-A110 and NetCol500-A120). However, the cooling capacity of indoor units will be reduced. Exercise caution when deciding to select the non-recommended layouts. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 70 If the wall height is 1000 mm or lower, the base height is 1000 mm or higher. Figure 4-15 Top view of compact installation if the quantity is ≤ 6 (NetCol500- A120) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 71: Installation Requirements For The Water-Cooled Module
(such as salt lakes, chemical plants, mineral plants, thermal power plants, and coal mines). ● Take antifreezing measures for cooling water pipes if the water cooling module is installed in low temperature environments (4°C). To prevent glycol Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 72 The water-cooled module should be installed on a concrete base. The base requirements are as follows. Figure 4-19 Concrete base dimensions (unit: mm) (1) Mounting hole: 4 x M12 ● The following figure shows the operation area requirements for water-cooled modules. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 73: Installation Preparation
Safety helmet Safety belt Transportation Manual pallet Electric pallet Hoisting rope Lever (bearing truck truck (bearing capacity capacity ≥ 400 ≥ 400 kg) General Measuring tape Right angle Marker Hammer drill Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 74 (M4/M6/M8) (M3/M4) Diagonal pliers Needle-nose Combination Hacksaw pliers pliers Step ladder (2 m) Flashlight Thermometer Pipe Cutter Thread sealant or Thermal Welding torch insulation foam sealing tape sealant or sealing tape Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 75 Cable Wire strippers Power cable Insulation tape Heat shrink crimping tool tubing Heat gun Cable tie Commissioning Rubber hose (5 Pressure gauge Vacuum pump Reducing valve PCS) (2 PCS) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 76: Materials
Huawei refrigerant pipe component, or other vendors. and cable Optional Purchased from Huawei based Low temperature component, material on application scenarios. T/H sensor, water sensor, and smoke sensor Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 77: Refrigerant
Table 4-1 R410A saturation pressure (gauge pressure) Temperature Saturation Temperature Saturation Temperature Saturation (°C) Pressure (°C) Pressure (°C) Pressure (MPa) (MPa) (MPa) 1.31 2.21 0.73 1.35 2.27 0.75 1.39 2.33 0.78 1.43 2.39 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 78: Refrigerant Oil
1.0 mm; operating pressure > 4.5 MPa ● Gas pipe requirements: – L ≤ 60 m: R410A copper pipe; outer diameter of 7/8 inch (22.22 mm); thickness of 1.2 mm; operating pressure ≥ 4.5 MPa Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 79 Inner diameters at the two gas pipes expanded ends of the copper pipe: 22.6 mm Inverted trap of 25.4x1.2 Inner diameters at the two gas pipes expanded ends of the copper pipe: 25.8 mm Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 80: Humidifier Water Inlet Pipe
The object shown in the dotted line box is the water inlet pipe connector with outer screw threads delivered with smart cooling products. Other parts are not provided and need to be purchased. 4.2.2.5 Drainpipe The drainpipe can be connected using a hose or a rigid pipe. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 81: Water Inlet And Outlet Pipes For The Water-Cooled Module
4.2.2.6 Water Inlet and Outlet Pipes for the Water-Cooled Module Figure 4-25 Water pipe connection diagram (1) Internal thread connector: G1–1/2 inch, (2) Rigid pipe: made of PP-R internal thread connector delivered with the smart cooling product Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 82: Pipe Support
The cable diameter must comply with local cable standards. The factors that affect cable selection include the rated current, cable type, routing mode, ambient temperature, and maximum expected line loss. Signal cables must be routed through protective tubes for protection. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 84 Teamwork Recommend 8-pin 8-pin 8-pin 8-pin control ed cable standard standard standard standard network network network network network cable cable cable cable cable (mandatory teamwork networking) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 85: Unpacking And Checking
Move the smart cooling product to a place closest to the installation position and then unpack it to facilitate cabinet movement and avoid cabinet damage. Procedure Step 1 Verify that the cabinet package is intact. If any damage is found, notify the carrier immediately. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 86: Installing The Indoor Unit
If they do not exist, contact Huawei technical support. If they exist, remove each valve bonnet and use it to press the valve plugs in turn. If nitrogen is exhausted, the system is working properly. If no nitrogen is exhausted, contact Huawei technical support.
Page 87 (1) Exhaust pipe needle valve (2) Low-pressure needle (3) Liquid pipe needle valve valve Figure 4-28 Positions of the NetCol8000-A045 needle valves (upflow) (1) Exhaust pipe needle valve (2) Low-pressure needle (3) Liquid pipe needle valve valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 88: Removing The Transport Fixing Sheet Metals
Figure 4-30 Positions of the NetCol8000-A060 needle valves (upflow) (1) Exhaust pipe needle valve (2) Low-pressure needle valve (3) Liquid pipe needle valve ----End 4.4.2 Removing the Transport Fixing Sheet Metals 4.4.2.1 Removing the Indoor Unit Pallet Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 89: Removing The Transport Fasteners From The Compressor
4.4.2.2 Removing the Transport Fasteners from the Compressor Procedure Step 1 Loosen the three bolts on the compressor transport fasteners using a 13# solid wrench. Figure 4-32 Removing the transport fasteners from the compressor Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 90: Securing The Indoor Unit
4.5 Installing an Outdoor Unit 4.5.1 Checking the Outdoor Unit Pressure Context Before delivery, outdoor units are injected with nitrogen to 0.2–0.6 MPa. Before connecting pipes, the nitrogen inside pipes must be discharged. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 91 If the pressure gauge reading is no less than 0.2 MPa, the unit is airtight. Then open the pressure gauge valve where the hose is connected to discharge nitrogen. After the discharge is complete, remove the hose and reinstall the valve bonnet. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 92: Removing The Outdoor Unit Pallet
Cooled Smart Cooling Product User Manual 4 System Installation ● If the pressure gauge reading is less than 0.2 MPa, pipes have leakage points, and you need to contact Huawei technical support. ----End 4.5.2 Removing the Outdoor Unit Pallet Context NO TICE ●...
Page 93: Installing An Outdoor Unit
Procedure Step 1 Remove the four corner fittings from the side panels of the outdoor unit by removing two M6x16 stainless steel bolts from each corner fitting. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 94 Step 3 Put the four legs to the ground to lay the outdoor unit horizontally. NO TICE When turning the outdoor unit, do not hold it by using two legs. Otherwise, the outdoor unit is damaged. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 95: Horizontal Installation Scenario (Netcol500-A110)
Step 1 Secure an outdoor unit to the ground through the four corner fittings by using four M8x80 stainless steel expansion bolts on the side panel. Figure 4-40 Securing an outdoor unit to the ground Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 96 Step 1 Secure the first-layer base to the ground using six M12x60 stainless steel expansion anchor bolts. Figure 4-41 Securing a base NO TE Only four bolts are required to secure the NetCol500-A060 double-layer base to the ground. Step 2 Secure the four columns. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 97 M10x30 stainless steel bolts, as shown by (2) in Figure 4-42. Step 3 Secure an outdoor unit onto the first-layer base. Figure 4-43 Securing an outdoor unit onto the first-layer base Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 98 Figure 4-44. Figure 4-44 Installing slanting beams Step 5 Secure the three beams on the top to the base using six M10x30 stainless steel bolts, as shown in Figure 4-45. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 99 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual 4 System Installation Figure 4-45 Installing beams Step 6 Secure an outdoor unit onto the second-layer base. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 100: Vertical Installation (Netcol500-A120)
Secure the last beam on the top to the base using two M10x30 stainless steel bolts, as shown by (4) in Figure 4-46. ----End 4.5.3.4 Vertical Installation (NetCol500-A120) Step 1 Secure the bottom of the outdoor unit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 101 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual 4 System Installation Figure 4-47 Securing the bottom of the outdoor unit Step 2 Secure the top of the outdoor unit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 102: Installing The Water Cooling Module
Check whether any of the two needle valve bonnets is missing by turns. ● If they do not exist, contact Huawei technical support. ● If they exist, remove each valve bonnet and use it to press the valve plugs in turn.
Page 103: Removing The Pallet
Secure the water cooling module to the concrete base using four M12 x 60 stainless steel expansion bolts to a torque of 45 N·m. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 104: Optional) Installing A Low Temperature Component
Step 2 Connect the rubber hose to the pressure gauge, and tighten all pressure gauge valves. Step 3 Remove the bonnet from the needle valve, store it properly, and connect the other end of the rubber hose to the needle valve. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 105: Removing Transport Fasteners
Step 1 Remove the screws from the pallet and move the device off the pallet. Figure 4-53 Removing the screws from the pallet ----End 4.7.3 Securing the Low Temperature Component Step 1 Secure the device to the base. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 106: Connecting Pipelines
● When purchasing water pipes, ensure that the water pipe with thermal insulation foam warped can go through the ports on the bottom and top boards. 4.8.1 Notices for Laying Pipes Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 107 Pipe length mentioned in this document is the equivalent length. Table 4-5 Equivalent length of components Copper Pipe 45-degree 90-degree 180-degree T-shaped 3- Outer Bend (Unit: Bend (Unit: Bend (Unit: Way Valve Diameter (Unit: m) (inch) 0.12 0.14 0.25 0.65 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 108 In a straight section of the refrigerant pipe, add a support every 1500 mm. Figure 4-55 Refrigerant pipe installation diagram NO TE Onsite personnel are responsible for preparing the required materials and installing the supports. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 109: Welding Indoor Unit Pipes
60 m < L ≤ 100 m 1 inch (25.4 mm) 3/4 inch (19.05 mm) If the one-way pipe length is longer than 100 m, contact Huawei technical support. Refrigerant pipes can be routed from the bottom or side. Select the pipe routing based on the actual situation.
Page 110 Step 4 Continue exhausting nitrogen from the exhaust pipe needle valve and liquid pipe needle valve by performing Step 1–Step ----End Bottom Pipe Routing Step 1 Remove the plugs from the bottom refrigerant pipe using a welding torque. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 111 User Manual 4 System Installation Figure 4-57 NetCol8000-A045/A055/A090 bottom pipe routing (downflow) (1) Liquid pipe (2) Gas pipe Figure 4-58 NetCol8000-A045 bottom pipe routing (upflow) (1) Gas pipe (2) Liquid pipe Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 112 User Manual 4 System Installation Figure 4-59 NetCol8000-A060/A120 bottom pipe routing (downflow) (1) Liquid pipe (2) Gas pipe Figure 4-60 NetCol8000-A060 bottom pipe routing (upflow) (1) Gas pipe (2) Liquid pipe Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 113 Step 3 Connect the gas and liquid pipes to the gas and liquid pipes of the outdoor unit respectively. Step 4 Wrap the thermal insulation foam. ----End Side Pipe Routing Step 1 Remove the plugs from the bottom refrigerant pipe using a welding torque. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 114 User Manual 4 System Installation Figure 4-62 NetCol8000-A045/A055/A090 side pipe routing (downflow) (1) Liquid pipe (2) Gas pipe Figure 4-63 NetCol8000-A045 side pipe routing (upflow) (1) Gas pipe (2) Liquid pipe Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 115 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual 4 System Installation Figure 4-64 NetCol8000-A060/A120 side pipe routing (downflow) (1) Liquid pipe (2) Gas pipe Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 116 ● When welding a liquid pipe, gently inject nitrogen into the pipe through the liquid pipe needle valve. Step 2 Cut a cross in the rubber ring using a utility knife and route the pipe wrapped with the thermal insulation foam through the hole. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 117: Connecting Outdoor Unit Pipes
Step 2 Connect the gas and liquid pipes to the gas and liquid pipes of the indoor unit respectively. Step 3 Wrap the thermal insulation foam. Figure 4-66 Welding outdoor unit pipes (for NetCol500-A060) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 118: Optional) Welding Pipes For The Low Temperature Component
Figure 4-68 Ports on the low temperature component (1) Connecting to the indoor unit liquid pipe: (2) Connecting to the outdoor unit liquid pipe: 5/8 inch (15.88 mm) 5/8 inch (15.88 mm) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 119: Welding The Water Cooling Module
Figure 4-70 Welding refrigerant pipes for the water cooling module (1) Liquid pipe 5/8 inch (2) Gas pipe 7/8 inch Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 120: Installing Cooling Water Pipes For The Water Cooling Module
Appliance is intended to be permanently connected to the water mains and not connected by a hose-set. Procedure Step 1 Install the adapter of the humidifier inlet water pipe. Sealing washer is recommended. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 121: Connecting The Drainpipe
The following uses hose bottom routing as an example to describe how to connect drainpipes. Bottom Pipe Routing Step 1 Install the water pipe conversion adapter and seal it with sealant. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 122 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual 4 System Installation Figure 4-73 NetCol8000-A045/A055/A090 bottom pipe routing (downflow) Figure 4-74 NetCol8000-A045 bottom pipe routing (upflow) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 123 Figure 4-76 NetCol8000-A060 bottom pipe routing (upflow) Step 2 (Applicable to downflow units) Cut a cross in the rubber ring using a utility knife and route the pipe wrapped with the thermal insulation tube through the hole. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 124 ● The drainpipe should be less than or equal to 3 m long with a certain gradient (1:100 or larger is recommended). No upward or wavy bend is allowed, as shown in the following figure. Figure 4-77 Drainpipe installation specifications ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 125: Leakage Test With Nitrogen
If no low-temperature component is installed on the outdoor side, connect pipes as shown in Figure 4-78, and charge nitrogen into the system from the low-pressure and exhaust pipe needle valves simultaneously. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 126 (5) Low-pressure needle (6) Exhaust pipe needle valve valve Figure 4-79 NetCol8000-A045 charging nitrogen to pipes without configuring low-temperature component (upflow) (1) Nitrogen cylinder (2) Reducing valve (3) Low pressure gauge Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 127 If a low-temperature component is installed on the outdoor side, connect pipes as shown in Figure 4-82, Figure 4-83, Figure 4-84, or Figure 4-85, and charge nitrogen into the system from the low-pressure, exhaust pipe, and liquid pipe needle valves simultaneously. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 128 (downflow) (1) Nitrogen cylinder (2) Reducing valve (3) Pressure gauge 1 (4) Pressure gauge 2 (5) Low-pressure needle (6) Exhaust pipe needle valve valve (7) Liquid pipe needle valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 129 (downflow) (1) Nitrogen cylinder (2) Reducing valve (3) Pressure gauge 1 (4) Pressure gauge 2 (5) Low-pressure needle (6) Exhaust pipe needle valve valve (7) Liquid pipe needle valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 130: Optional) Leakage Test With Water For The Water-Cooled Module
For scenarios where equipment is transported without refrigerant, keep 0.3 to 0.5 MPa of nitrogen in the pipe. ----End 4.10 (Optional) Leakage Test with Water for the Water-Cooled Module Prerequisites If a water-cooled module is installed, you need to do leakage test with water. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 131: Connecting Cables
You can perform the following operations. ----End 4.11 Connecting Cables 4.11.1 Connecting the Equipotential Ground Cable The following figure shows the equipotential ground position. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 132: Connecting Power Cables
Step 2 Route the external power cable through the cabinet cable hole to the L1, L2, L3, and N ports of the AC1 and AC2 terminals on the indoor unit respectively. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 133 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual 4 System Installation Figure 4-88 Routing power cables for the NetCol8000-A045/A055/A090 with dual power supplies (downflow) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 134 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual 4 System Installation Figure 4-89 Routing power cables for the NetCol8000-A045 with dual power supplies (upflow) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 135 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual 4 System Installation Figure 4-90 Routing power cables for the NetCol8000-A060 with dual power supplies (upflow) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 136 Connect one end of the power cable for the NetCol500-W water-cooled module to the L/N terminal on the water-cooled module, and the other end to the L/N terminal on the indoor unit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 137 4 System Installation Figure 4-92 Connecting the power cable to an air-cooled outdoor unit 1 (using indoor unit NetCol8000-A045D and outdoor unit NetCol500-A060 as examples) Figure 4-93 Connecting the power cable to an air-cooled outdoor unit 2 (using indoor unit NetCol8000-A060U and outdoor unit NetCol500-A110 as examples) Issue 05 (2020-10-10) Copyright ©...
Page 138 (Optional) Connecting the Power Cable for a Low-Temperature Component Step 1 Connect the cable delivered with the low temperature component to the L/N terminal on the QF2 of the outdoor unit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 139: Connecting Signal Cables
User Manual 4 System Installation Figure 4-95 Connecting the power cable of the low temperature component (using indoor unit NetCol8000-A045D and outdoor unit NetCol500-A060 as examples) (1) Power cable for the low temperature (2) Power cable between the low temperature...
Page 140 Figure 4-96 Connecting the signal cable between the air-cooled indoor and outdoor units (using indoor unit NetCol8000-A060U and outdoor unit NetCol500- A080 as examples) (A) Core wire (B) Insulation layer (C) Shield layer (D) Jacket Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 141: Connecting Water Sensor Cables
Step 1 Connect one end of the water sensor cable to the water sensor. Step 2 Connect the other end of the water sensor cable to 1 and 2 on signal terminal x502 through the signal cable hole at the bottom of the cabinet. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 142 NO TICE Place the sheet metal of the water sensor upwards and its detection board downwards on the ground. Figure 4-98 Connecting a cable to the water sensor 1 (for NetCol8000-A045D) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 143: Optional) Installing A Micro Differential Pressure Sensor
Prerequisites If a micro differential pressure sensor is configured, perform the following steps to install it. Procedure Step 1 Secure the differential pressure sensor inside the cabinet using two M3 screws. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 144 User Manual 4 System Installation Figure 4-100 Installing a micro differential pressure sensor for the NetCol8000- A045/A055/A090 (downflow) Figure 4-101 Installing a micro differential pressure sensor for the NetCol8000- A045 (upflow) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 145 Step 3 Connect the cables of the differential pressure sensor to the 4, 5, and 6 of x502 terminal. Step 4 After powering on the NetCol8000, choose Settings > System Settings > Indoor Fan, and set Air-side difference pressure sensor type to 0–500Pa. ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 146: Optional) Connecting T/H Sensors Outside Cabinets
● The T/H sensors should be 1.5 m above the ground (33 U). ● Each smart cooling product supports a maximum of 10 T/H sensors outside the cabinet. Step 2 Set DIP switches of the T/H sensors. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 147 Cold aisle 2 temp/humid Cold aisle 3 temp/humid Cold aisle 4 temp/humid Cold aisle 5 temp/humid Hot aisle 1 aisle temp/humid Hot aisle 2 temp/humid Hot aisle 3 temp/humid Hot aisle 4 temp/humid Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 148: Optional) Installing Teamwork And Monitoring Communications Cables
ELV cable tray, to reduce the impact of electromagnetic interference on teamwork communication. Otherwise, teamwork networking may fail. 4.11.4.1 Preparing a Network Cable Step 1 Crimp a network cable. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 149: Can Teamwork + Rs485 Monitoring
Figure 4-107 RS485 monitoring communications cable (4) Blue (5) White-and-blue ----End 4.11.4.2 CAN Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables. Networking CAN Teamwork RS485 Monitoring Protocol Modbus-RTU Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 150 ● Connect the COM/FE port on the main control module of the last unit in each group to the RS485 port on the host. ● Customers can purchase an ECC and NetEco as the monitoring system. Figure 4-108 Connecting communications cables ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 151: Can Teamwork + Fe Monitoring
Customers can purchase a switch and NetEco as the monitoring system. Figure 4-109 Connecting communications cables ----End 4.11.4.4 FE Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables. Networking FE Teamwork RS485 Monitoring Protocol MAC_CAN Modbus-RTU Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 152 ● Customers can purchase an ECC and NetEco as the monitoring system. Figure 4-110 Connecting communications cables If the length of a network cable in the FE teamwork is greater than or equal to 100 m, use the group-based ring networking mode. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 153: Fe Teamwork + Fe Monitoring
100 m, use the group-based ring networking mode. Connecting units with odd numbers: Connect the FE_1 port of the unit with an odd number to the FE_2 port of the unit with the next odd number. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 154: Optional) Installing A Cap (Applicable To Upflow Units)
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. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 155 PCS respectively on the left and right ● 1100 mm wide indoor unit: 4 PCS respectively on the front and the rear, and 3 PCS respectively on the left and right Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 156 ● 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. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 157: Lowering A Fan (Applicable To Downflow Units)
Procedure Step 1 Remove two beams. Figure 4-117 Removing beams Step 2 Rotate the fan upward by 30 degrees, and pull the rotating shaft of the fan to the outermost side. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 158 Exercise caution when handling the fan to avoid body injury. Figure 4-119 Turning a fan to 90 degrees Step 4 After the fan rotates to 150 degrees, push the fan back to the horizontal position. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 159 Step 5 Use a torque wrench to secure the two beams, and interconnect the fan cables using the interconnection terminal reserved in the cabinet. Figure 4-121 Securing the fan beams ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 160: Verifying The Installation
□ Passed □ Failed without leaks. Compressor The sheet metal for transporting the □ Passed □ Failed compressor is removed. The bolts on the compressor are □ Passed □ Failed tightened. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 161 N·m), and the valve bonnet is tightened. The pipes are not seriously bent. □ Passed □ Failed Table 5-3 Electrical checklist Expected Result Actual Result Cables are intact and not over-bent. □ Passed □ Failed Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 162: Outdoor Unit Installation Verification
The fins are not pushed down or damaged. □ Passed □ Failed heat Fins protection plates have been removed. exchanger Pipes Pipes are secured and not damaged. □ Passed □ Failed The needle valve cap has been tightened. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 163: Checking The Water Cooling Module
Electric The power cables and signal cable □ Passed □ Failed are connected as required. Cables are intact and not over-bent. □ Passed □ Failed Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 164: Power-On Commissioning
6.1 Vacuumizing and Precharging Refrigerant CA UTION Ensure that no combustion-supporting materials (air or additives) enter the smart cooling product system during commissioning. Huawei shall not be liable for any risks and losses thus incurred. 6.1.1 Requirements on the Filling Amount of Refrigerant and Refrigerant Oil ●...
Page 165 13.4 + (L – 10) x 0.21 10) x 0.28 NetCol8000- NetCol500-A060/ 9.4 + (L – 10) 9.4 + (L – 10) A090D x 0.21 x 0.28 NetCol500-A120 system 2 system 2 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 167: Vacuumizing
● Before vacuumizing the cooling system, ensure that all connectors are secured. ● System high pressure may occur if the cooling system is not vacuumized or is not thoroughly vacuumized. Ensure that the cooling system is thoroughly vacuumized before refrigerant is charged. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 168 Figure 6-1. Figure 6-1 NetCol8000-A045/A055/A090 vacuumizing the system without a low-temperature component (downflow) (1) Vacuum pump (2) Pressure gauge (3) Low-pressure needle valve (4) Exhaust pipe needle valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 169 (4) Exhaust pipe needle valve Figure 6-3 NetCol8000-A060/A120 vacuumizing the system without a low- temperature component (downflow) (1) Vacuum pump (2) Pressure gauge (3) Low-pressure needle valve (4) Exhaust pipe needle valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 170 Figure 6-5. Figure 6-5 NetCol8000-A045/A055/A090 vacuumizing the system with a low- temperature component (downflow) (1) Vacuum pump (2) Pressure gauge 1 (3) Pressure gauge 2 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 171 Figure 6-7 NetCol8000-A060/A120 vacuumizing the system with a low- temperature component (downflow) (1) Vacuum pump (2) Pressure gauge 1 (3) Pressure gauge 2 (4) Low-pressure needle valve (5) Exhaust pipe needle valve (6) Liquid pipe needle valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 172: Precharging Refrigerant
Preserve the pressure for 1 hour, and make sure the displayed pressure does not increase obviously. ----End 6.1.3 Precharging Refrigerant Prerequisites Before charging refrigerant, ensure that air is exhausted from the gas pipe connecting to the refrigerant cylinder. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 173 Figure 6-9 NetCol8000-A045/A055/A090 precharging refrigerant into the system without a low-temperature component (downflow) (1) Refrigerant cylinder (2) Electronic scale (3) Pressure gauge (4) Connection nut (5) Low-pressure needle valve (6) Exhaust pipe needle valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 174 Figure 6-11 NetCol8000-A060/A120 precharging refrigerant into the system without a low-temperature component (downflow) (1) Refrigerant cylinder (2) Electronic scale (3) Pressure gauge (4) Connection nut (5) Low-pressure needle valve (6) Exhaust pipe needle valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 175 (1) Refrigerant cylinder (2) Electronic scale (3) Pressure gauge 1 (4) Pressure gauge 2 (5) Connection nut (6) Low-pressure (7) Exhaust pipe (8) Liquid pipe needle needle valve needle valve valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 176 (1) Refrigerant cylinder (2) Electronic scale (3) Pressure gauge 1 (4) Pressure gauge 2 (5) Connection nut (6) Low-pressure (7) Exhaust pipe (8) Liquid pipe needle needle valve needle valve valve Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 177 NO TICE If the R410A refrigerant is provided by Huawei, put the refrigerant steel vessel upside down when charging in the refrigerant. If the refrigerant is not provided by Huawei, check with the refrigerant provider whether the steel vessel has a siphon.
Page 178: Preparing For Power-On
Tighten the needle valve bonnets when the charge is complete. Check whether a needle valve leaks by applying soap bubbles to the valve vent or using a halogen leak detector. If the valve leaks, contact Huawei technical support. ----End 6.2 Preparing for Power-On...
Page 179: Power-On
Figure 6-17 Initial power-on Table 6-2 Preset passwords System User Preset Password Permission Description admin 000001 Can set all the menus. (administrator) operator (common 000001 Can only view parameters and set user) some parameters. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 180 Confirm with Huawei technical support before modifying parameters which cannot be modified by user operator. Otherwise, Huawei will not be liable for any consequences of the modification performed by the user. ● Only certified professionals are allowed to modify the advanced parameters.
Page 181 After this function is enabled, the master unit synchronizes the temperature and humidity control type and setpoints to all slave units. Low temperature Specifies whether a low temperature component component is used. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 182 ● 7.5 m ≤ equivalent pipe length of the one-way pipe ≤ 100 m ● –8 m ≤ vertical distance between the indoor and outdoor units ≤ +30 ● 5°C ≤ outdoor ambient temperature ≤ 40.5°C Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 183 ● Low-temperature heating: The heating function is enabled when the current temperature is lower than the temperature setpoint by a certain value. ● Dehumidification & Low temperature heating: Both functions are available. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 184 Off, and is used together with DO_1. For details, see DO_1 description. DO_2 action This parameter can be set to On or Off, and is used together with DO_2. For details, see DO_2 description. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 185 ● Only indoor fan running: Only the indoor fan runs when a floor water overflow alarm is generated. ● Humidifier stopped: Only the humidifier is stopped when a floor water overflow alarm is generated. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 186 ● Hot aisle temperature: 26–35°C recommended Humidity setpoint After the temperature and humidity control type and the humidity value under this type are set, the device performs management based on the settings. 40%–60% is recommended. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 187: Home Screen
Running, Alarms and Settings. The home screen is shown in Figure 6-18. NO TICE The information in the screenshots is for reference only. The actual parameters may vary. Figure 6-18 Home screen Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 188 You can tap this icon to log in. ● indicates that you have logged in as an admin or operator user. You can tap this icon to log out. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 189: Initial Configuration
Step 2 Set Cold aisle sensor 1 to Enable. Step 3 Set temperature and humidity parameters. NO TE You are not advised to modify the parameters that are not listed in the following table. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 190 80% RH], ensure that the absolute humidity range is [0.0026, 0.0141] when you set the temperature setpoint and humidity setpoint. Table 6-3 Setting example Temperature Setpoint Lower Limit of Upper Limit of (°C) Humidity Setpoint (% Humidity Setpoint (% 24.8 23.2 21.8 20.5 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 191 Upper Limit of (°C) Humidity Setpoint (% Humidity Setpoint (% 19.2 18.1 75.3 70.9 66.8 59.4 56.1 52.9 47.2 44.6 42.2 39.9 37.8 35.8 33.9 32.1 30.4 28.9 27.4 24.7 23.4 ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 192: Optional) Setting The Pressure Difference Control
Max indoor fan speed Specifies the maximum rotational speed of the indoor fan. ----End 6.5.3 (Optional) Setting Teamwork Parameters Prerequisites The teamwork group number and addresses for the units have been set as follows: Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 193 Otherwise, the teamwork function is unavailable. Teamwork function Specifies the planned teamwork group number. This parameter should be the same for all units in the same teamwork group. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 194 Rotation period Number of days for rotation (1–30). Rotation time Specifies the start time of rotation for the active and standby units. 24 time points in a day (0–23). Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 195 After this function is enabled, the master unit synchronizes the temperature and humidity control type and setpoints to all slave units. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 196 Step 4 On the home screen of the display module of any unit in the teamwork group, tap . If the teamwork networking succeeds, the teamwork topology of the unit in the group is displayed. Figure 6-21 Teamwork topology Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 197 If the teamwork networking is disabled, the teamwork icon is gray. ----End Follow-up Procedure After you have completed the teamwork settings, check that the teamwork networking is successful by performing the following steps: Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 198: Setting Communications Parameters
Step 1 On the home screen, choose Settings > Comm Settings > Access Control. Figure 6-22 Access Control Parameter Description Remote control ● Enable: Users can control the unit over their monitoring system. ● Disable: Users cannot control the unit over their monitoring system. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 199: Setting Communications Parameters (Modbus-Rtu Protocol)
The NMS communicates with the smart cooling product using this address, and the communications addresses of two smart cooling products connected to the same NMS must be different. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 200: Setting Communications Parameters (Modbus-Tcp Protocol)
Figure 6-24 WAN IP Settings NO TE The WAN IP address cannot be in the 192.168.245.X, 192.168.246.X, or 192.168.248.X network segment. Step 2 On the home screen, choose Settings > Comm Settings > Modbus Settings. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 201: Setting Communications Parameters (Snmp Protocol)
This section is suitable only for SNMP. Skip this section if you use Modbus. ● Record the values entered in this section. They will be used when you connect a unit to a network management system (NMS). Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 202 MD5 and DES protocols are not secure. It is recommended that you set Auth Protocol to SHA2-512, and set Prop Protocol to AES-256. The following operations use the recommended settings as an example. Figure 6-26 Setting the protocol type Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 203 MIB file to the USB flash drive for the customer's use in accessing a third-party NMS. NO TICE Before using a USB flash drive, ensure that its data has been scanned by antivirus software and is secure. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 204: Optional) Setting Wifi Parameters
FE cascading network. Step 3 Tap Submit. ----End 6.5.5 (Optional) Setting WiFi Parameters Connect the mobile phone to the WiFi network and use the mobile phone app for power-on commissioning and software upgrade. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 205: Startup
FE cascading network. Step 3 Tap Submit. ----End 6.6 Startup Context On the home screen, there are Start and Shutdown buttons for controlling the startup and shutdown of smart cooling products. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 206 A unit can be started over the screen or NMS only when the status of remote dry contacts or remote start/shutdown signal is Start. Prerequisites Download the Service Expert app from HUAWEI AppGallery. The app can only run on Android currently. You must apply for the permission to use the app after downloading it.
Page 207 Step 3 Tap Startup Commission on the home screen of the app and the screen shown in Figure 6-32 is displayed. Figure 6-32 Offline activation Step 4 Click Offline Activation. The screen shown in Figure 6-33 is displayed. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 208 If the remaining refrigerant has not been fully charged, tap No on the Wizard Startup screen to exit the startup commissioning. Complete refrigerant charging, and then perform the wizard startup by choosing Maint > Wizard Startup to enter the wizard startup screen. ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 209: Charging The Remaining Refrigerant
Table 6-4 Proper system values (when the compressor is 3000 rpm) Ambient Proper Proper Suction Proper Temperature Discharge Pressure Range Overheating Pressure Range Degree < 15°C 1.5–2.5 MPa 0.7–1.2 MPa 8–15°C 15–35°C 1.5–3.1 MPa 35–45°C 2.5–3.8 MPa Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 210: Wizard Startup
NO TICE Tapping No or Exit, submission timeout, and system exception all result in commissioning failures. Choose Maint > Wizard Startup to enter the Wizard Startup screen for new commissioning. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 211 If the remaining refrigerant is not charged, tap No. Complete refrigerant charging, and then perform the wizard startup. Figure 6-35 Checking before startup Step 3 Follow the onscreen instructions to complete the wizard startup. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 212: Optional) Power-Off
Step 4 (Optional) If the power supply needs to be disconnected for maintenance or for a long period, turn off the smart cooling product switch in the PDF. ----End 6.10 Checking After Commissioning Table 6-5 lists the commissioning checklist. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 213 The foreign matter inside the water pan and bottom plate □ Passed □ Failed is cleaned up. The air filter is correctly installed according to the air flow □ Passed □ Failed direction on the frame. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 214: Webui
COM port on the unit. On the main screen of the unit, choose Settings > Comm Settings > WAN IP Settings, and set the IP address, subnet mask, and gateway for the unit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 215 Click the Advanced tab and select Use TLS1.1 and Use TLS1.2. Figure 7-1 Setting Internet options (Optional) Click the Connections tab and select LAN settings. (Optional) Under Proxy server, deselect Use a proxy server for your LAN. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 216 Figure 7-3 Security certificate problem On the login page, enter the preset user name admin and preset password Changeme, set the language, and click Log In. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 217: Introduction To The Webui
● Query the version and e-labels. ● Query and export fault information. ● Manage users, such as adding, modifying, deleting, locking, and unlocking users. ● Import and export configuration files to configure the unit quickly. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 218: Operation And Maintenance
Choose Running > Device Details > Discharge temp Compressor. Discharge pressure Suction pressure Tap Teamwork. Teamwork function Choose Teamwork > Teamwork Total number of units Settings. Number of active units Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 219: Indoor Unit Routine Maintenance
The wet film has no scale. Replace the wet film humidifier. film No operating overtime alarm is Replace the wet film humidifier. humidif generated for the wet film humidifier. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 220: Quarterly Maintenance
The screws on the indoor fan Tighten the screws using a 10# are not loose or distorted. socket wrench. 8.2.2 Quarterly Maintenance Table 8-3 lists quarterly maintenance items for the indoor unit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 221: Yearly Maintenance
Calculate the total cooling capacity and total server load of running indoor units. If the total load exceeds 80% of the total cooling capacity of the smart cooling product, Huawei recommends increasing the number of smart cooling products. Issue 05 (2020-10-10)
Page 222: Outdoor Unit Routine Maintenance
All refrigerant pipes Evacuating the Perform the are clean without refrigerant, and troubleshooting leaking and eroding. repair the leak on with the power off. the pipe. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 223: Semi-Annual Maintenance
The fan runs Replace the fan. Perform the smoothly without troubleshooting abnormal voice or with the power off. vibration, and the blades rotate in the direction as the symbols show. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 224: Water Cooling Module Routine Maintenance
The pipe thermal Wrap the thermal Perform the insulation foam is insulation foam troubleshooting intact. again. with the power off. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 225: Semi-Annual Maintenance
Clean up the water Check and perform control box is free stains in the electric the troubleshooting from water. control box and with the power off. locate the cause of water leakage. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 226: Troubleshooting
Check the requirement status on to start. the display module. The drive is faulty. Replace the drive. The refrigerant loop or a Clean the blockage in the compressor component is blocked. refrigerant loop. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 227 Refrigerant oil is insufficient. Add refrigerant oil. The transport sheet metal is Remove the sheet metal. not removed from a compressor. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 228 The inlet pipe and drainpipe Check the inlet pipe and leak. drainpipe and the connectors. Rectify any leakage and fasten the connectors. The self-drainpipe is blocked. Check that no blocks and frost in the self-drainpipe. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 229 3. Replace the electric heating does not 3. The electric heating belt of belt of the crankcase and the heat. the crankcase is short- fuse. circuited abnormally, and the fuse has blown. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 231: Alarm Reference
Supply air 2 2. Maintain or replace temperature sensor ● The temperature the temperature fault sensor is faulty. sensor. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 232 ● The value detected 5. Calibrate or replace by the temperature the temperature sensor or sensor or temperature and temperature and humidity sensor is humidity sensor. different from the actual value. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 234 Electric heater 2 fault are loose or 2. Maintain or replace damaged. the temperature ● The temperature switch. switch is faulty. 3. Replace the electric ● The electric heater heater. is faulty. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 236 6. Maintain or replace ● The indoor fan is the indoor fan. faulty. 7. Measure the ● The ambient ambient temperature is temperature. below the lower threshold. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 237 ● The value detected 5. Calibrate or replace by the temperature the temperature sensor or sensor or temperature and temperature and humidity sensor is humidity sensor. different from the actual value. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 239 ● The value detected 5. Calibrate or replace by the temperature the temperature sensor or sensor or temperature and temperature and humidity sensor is humidity sensor. different from the actual value. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 240 1. Check the cables to discharge pressure pressure sensor are the pressure sensor. sensor fault loose or damaged. 2. Replace the Compressor 2 ● The pressure sensor pressure sensor discharge pressure is faulty. sensor fault Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 241 1. Fill oil to the speed limit alarm lacks oil. compressor. Compressor 2 drive ● The refrigerant 2. Identify and repair speed limit alarm leaks. the leaking point, and refill refrigerant after maintenance. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 242 ● The value detected by the temperature 5. Calibrate or replace sensor or the temperature temperature and sensor or humidity sensor is temperature and different from the humidity sensor. actual value. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 243 ● The high humidity 5. Calibrate or replace alarm threshold is the temperature inappropriate. and humidity ● The value detected sensor. by the temperature and humidity sensor is different from the actual value. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 244 Compressor 2 suction 2. Maintain or replace damaged. temperature sensor the suction fault ● The suction temperature sensor. temperature sensor is faulty. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 245 6. Replace the outdoor fan. A144-01 Outdoor fan 2 exceed Warning The total runtime of Replace the outdoor runtime alarm the outdoor fan fan, and clear the exceeds the alarm accumulated runtime. threshold. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 246 A174-01 SPD function failure Major The SPD and voltage Replace the SPD and detection board is voltage detection Backup SPD function faulty. board. failed Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 247 Compressor preheated after a preheating power failure. parameter to Off to stop preheating. 2. Wait until compressor preheating is complete, or set the Compressor preheating parameter to Off to stop preheating. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 248 ● The fan is faulty. the fan. alarm A220-01 Wizard startup is in Warning Wizard startup is in Wait until wizard progress progress. startup is complete or clear the alarm manually to exit wizard startup. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 249 The fan drive is faulty. If the drive is supply abnormal integrated into the fan, replace the fan. Indoor fan 2 power supply abnormal If the drive is separate from the fan, replace the drive. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 250 ● A slave unit is to the actual offline. number on the master unit. 3. Check the teamwork cable connection and running status of the slave units. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 251 Backup power threshold. is within the frequency abnormal working range. ● The SPD and voltage detection 2. Replace the SPD board is faulty. and voltage detection board. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 252 Critical ● The power grid is 1. Check the power abnormal unstable. grid. ● The phase A input 2. Rectify the fault of cable is faulty. the phase A input cable. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 253 ● The power grid is 1. Check the power sequence abnormal unstable. grid. ● The phase C input 2. Rectify the fault of cable is faulty. the phase C input cable. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 258 ● The indoor fan is 6. Maintain or replace faulty. the indoor fan. ● The ambient 7. Measure the temperature is ambient below the lower temperature. threshold. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 259 2. Maintain or replace the compressor. A28E-04 Compressor 1 drive Major The fans in the Check the fans in the alarm compressor drive are compressor drive. faulty. Compressor 2 drive alarm Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 260 U of the supply voltage. abnormal compressor drive 2. Maintain or replace are loose or Compressor 2 drive the compressor damaged. power supply drive. abnormal ● The compressor drive is faulty. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 261 Outdoor fan 2 drive 2. Maintain or replace alarm ● The outdoor fan is the outdoor fan. faulty. 3. Maintain or replace ● The outdoor fan the outdoor fan drive is faulty. drive. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 262 Outdoor fan 2 drive alarm A292-80 Outdoor fan 1 drive Major Replace the outdoor Replace the outdoor alarm fan drive. fan drive. Outdoor fan 2 drive alarm Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 263 A295-10 Outdoor fan 1 fault Major The output cable to Replace the output the outdoor fan drive cable to the outdoor Outdoor fan 2 fault is grounded. fan drive. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 264 ● The corresponding 1. Apply for a new certificate has certificate promptly A30E-02 expired. and update the A30E-04 existing one. ● The system time is incorrectly set. 2. Calibrate the system time. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 265 A311-01 Outdoor fan 1 Major The system fails to Perform outdoor fan detection failed detect the outdoor detection through fan. fault repair or the Outdoor fan 2 startup wizard. detection failed Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 266: Parts Replacement
Spare air filters of the same model are available and functional. Procedure Step 1 Open the front door. Step 2 Remove the sheet metal fastener from the air filter, hold the handle and pull out the air filter. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 267 Cooled Smart Cooling Product User Manual 11 Parts Replacement Figure 11-1 Removing the air filters (downflow) (for NetCol8000-A045D) Figure 11-2 Removing the air filters (upflow) (for NetCol8000-A045U) Step 3 Remove the filter on the left in the same way. Step 4 Install new air filters in an inverse order.
Page 268: Replacing A Differential Pressure Switch
Step 4 Use a Phillips screwdriver to remove the screws on the top cover of the differential pressure switch and cable screws, as shown by (2) in Figure 11-3, and remove the cables. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 269: Replacing A Drive
Step 3 Remove all cables from the drive and cut the cable ties using diagonal pliers. Step 4 Remove the four screws on the drive using a Phillips screwdriver, and pull out the drive. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 270: Replacing A Fan Drive (Netcol8000-A055/A060/A120)
Cooled Smart Cooling Product User Manual 11 Parts Replacement Figure 11-4 Removing the drive (for NetCol8000-A045D) Step 5 Install the new drive and its cables. Step 6 Turn on the smart cooling product switch in the PDF. Step 7 Switch on the QF1 and QF2, and close the front door.
Page 271 Step 3 Flip the buckle on the fan drive upwards, as shown by 1 in Figure 11-5 Figure 11-6. Figure 11-5 Removing the fan drive (upflow, NetCol8000-A060U used as an example) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 272: Replacing A Wet Film Humidifier
Step 1 Tap Shutdown on the home screen and turn off the smart cooling product switch in the PDF. NO TICE Exercise caution because the device is still energized after it is shut down on the home screen. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 273: Replacing An Electric Heater
Step 2 Open the front door and switch off the QF1 and QF2. Step 3 Remove the wet film humidifier. Figure 11-7 Removing the wet film humidifier (for NetCol8000-A045D) Loosen the hose clamp and remove the water inlet pipe. Loosen the nut on the side of the wet film humidifier.
Page 274: Replacing An Electric Heater (Upflow)
Step 4 Remove the two bolts that secure the electric heater support and take out the support. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 275: Replacing An Electric Heater (Downflow)
Step 8 On the home screen, choose Maint > Performance Maint to enter the Performance Maint screen and clear the runtime of the electric heater. ----End 11.6.2 Replacing an Electric Heater (Downflow) Step 1 Tap Shutdown on the home screen of the display module. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 276: Replacing A Compressor
Check that it works properly before you exit. Step 8 On the home screen, choose Maint > Performance Maint to enter the Performance Maint screen and clear the runtime of the electric heater. ----End 11.7 Replacing a Compressor Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 277 ● Do not tilt the compressor during replacement to prevent lubricant leakage. ● Install a new compressor immediately after you remove the rubber plugs of the suction inlet and exhaust outlet to prevent the moisture Figure 11-11 shows an angle valve. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 278 NO TICE After removing the valve, seal the suction vent immediately to ensure that the system is clean and moisture does not enter the pipe. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 279 Step 9 Apply red glue from the second to the fourth circles of the inner screw thread of the suction and discharge angle valves. Secure the angle valve nuts and pipe nuts, using two adjustable wrenches, and tighten the adjustable nuts using a torque wrench. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 280: Replacing A Filter Dryer
(If a low- temperature component is used, recycle the refrigerant from the liquid pipe needle valve, low-pressure needle valve, and exhaust pipe needle valve.) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 282: Replacing An Indoor Fan
Exercise caution during replacement as the fan is heavy. NO TICE Two persons are required to move a fan. Procedure Step 1 Tap Shutdown on the home screen of the display module. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 284 Step 10 Tap Repair. The "Connect the cable to the communications port on the fan to be repaired and disconnect the cables from the communications ports on other faulty Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 285: Replacing An Indoor Fan (Netcol8000-A060U)
Step 3 Disconnect the fan cable from the plug-in terminals reserved in the cabinet. Step 4 Remove the four M4 screws using a Phillips screwdriver, and rotate the buckle outwards. The bottom fixing plate of the fan tilts downward. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 286 Figure 11-18 Removing the screws that secure the fan Step 6 Remove the six screws that secure the top of the fan support to the fan. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 287: Replacing An Indoor Fan (Downflow)
Performance Maint screen and clear the runtime of the indoor fan. ----End 11.9.3 Replacing an Indoor Fan (Downflow) Context Recommended tools and materials: 13# socket wrench, Phillips screwdriver, small- sized flat-head screwdriver, security torx hex key Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 288 Step 4 Remove the screws from the beam above the fan using a 13# socket wrench. Figure 11-20 Removing screws Step 5 Lift the fan up, then flip the fan for 180°, and pull the fan out of the cabinet. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 289 Step 10 Turn on the general switch and fan switch. The display module lights up. Choose Alarms > Query Act. Alarms and tap Indoor fan 2 communication failure (used as an example) to display the Details screen. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 290: Replacing A Liquid Level Detector
Step 2 Open the front door. Step 3 Remove the cable from the liquid level detector, remove the screws from the liquid level detector using a Phillips screwdriver, and take out the high liquid level detector. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 291: Replacing An Outdoor Fan
Step 1 Tap Shutdown on the home screen, and turn off the active route switch QF1, standby route switch QF2, and outdoor unit fan circuit breaker. Step 2 Cut the cable ties that secure fan cables using diagonal pliers. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 292 11-25, and take off the fan and guard. Step 6 Remove the four screws that connect the fan and guard using a hex key, and take off the faulty fan. Figure 11-26 Separating the fan from the guard Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 293: Replacing A Display Module
Log in to the WebUI of the ECC as an admin user. Choose Query > Export Data and set Data Type to the smart cooling product. Tap Export Local Data of Southbound Devices to back up data to the computer. Step 2 Replace the display module. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 294 Install the new display module in the original position on the front door by performing the preceding steps in reverse order. Connect the control signal cables to the display module. Close and lock the front door. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 295 Log in to the WebUI of the smart cooling product as an administrator user. Choose Maintenance > Configuration, and choose the backup data. After (optional) tapping Configuration File Decryption Password, tap Upload to import the backup data from the computer. ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 296: Faq
LCD and NetEco WebUI has the same priority. ● If ON/OFF via NMS is disabled on the LCD of the unit, the unit cannot be started or shut down over the NetEco. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 297: Operations With A Usb Flash Drive
12.2 Operations with a USB Flash Drive Context After connecting a USB flash drive to the USB port on the main control module, you can export data, import and export configuration files, and import certificates and keys. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 298: How Do I Export Data
Step 5 Remove the USB flash drive and set it aside. ----End 12.2.1 How Do I Export Data? Context One-click export allows you to export current alarms, historical alarms, and logs. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 299: How Do I Import And Export A Configuration File
The Select Path screen is displayed. Figure 12-7 Select Path screen Step 2 On the Select Path screen, specify the save path and tap Next. In the displayed dialog box, tap Yes. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 300: How Do I Import A Certificate And Key
USB flash drive in safe mode. ----End 12.2.3 How Do I Import a Certificate and Key? Prerequisites The CA certificate file, local certificate file, and key file have been saved in a USB flash drive. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 301: Display Module Screen Operations
Step 1 On the home screen, choose Settings > Comm Settings > LAN IP Settings, and set LAN IP assigning mode to Manual. Set LAN IP address, LAN subnet mask, and LAN gateway based on the actual plan. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 302: How Do I Check Temperature And Humidity Curves
You can choose to display the curves in recent one hour, one day, seven days, or 30 days. Procedure Step 1 Tap T/H Curve on the home screen. Figure 12-12 T/H Curve screen Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 303: How Do I View Logs
Running > Status Summary. ● View on Device Details: The following describes how to view the status of a T/H sensor. On the home screen, choose Running > Device Details > T/H Sensor. ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 304: How Do I View System Parameters
12.3.7 How Do I View the Service Information? Procedure Step 1 On the home screen, tap About. Step 2 On the About screen, tap Service Info. Figure 12-13 Service Info screen ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 305: How Do I Check Teamwork Control Information
● If active alarms exist, they are displayed on the alarm bar in turn. ● You can query an alarm on the alarm list in "Alarm Reference" based on the alarm ID to know causes of the alarm and methods to clear the alarm. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 306: How Do I Clear Component Runtime
12.3.11 How Do I Clear Component Runtime? Context NO TICE Performance value clearance can only be performed after component maintenance. Otherwise, the component may run overtime and weaken the performance of the unit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 307: How Do I Calibrate A T/H Sensor
You can only modify the password of the current user. Procedure Step 1 On the home screen, choose Settings > User Settings. The User Settings screen is displayed. Figure 12-17 User Settings screen Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 308: How Do I Set Alarm Parameters
Return air high temperature alarm for the T/H sensor. ● If you need to change alarm settings, log in as user Admin. NO TICE Be careful when configuring alarm parameters. Only professional maintenance personnel can change alarm settings. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 309: How Do I Commission A Component
● The following describes how to commission an indoor fan. Procedure Step 1 On the home screen, choose Maint > Diagnostic > Enter to enter the diagnostic mode. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 310: How Do I Query The Setting Of A Parameter Before Change
-> is the setting after change. NO TE The log query screen displays logs of LCD user operations, including user login and setting change records. Figure 12-20 Query Logs 12.4 WebUI Operations Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 311: How Do I Manage Webui Users
Choose the admin user and click Modify. Reset the login password on the displayed page and click Confirm. Figure 12-21 Changing the login password Enter Login password and click Submit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 312 – Retrieve the password if you forget it. On the login page, click Forgot password, enter related information to obtain a verification code, and reset the login password. – A verification code is used for login. Enter Login password and click Submit. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 313: How Do I Install A Network Security Certificate
Step 1 Log in to the WebUI of the unit as an administrator. Step 2 Choose Home > Active Alarm to view the active alarms of the unit. Click Details in the Alarm Description area to view alarm details of devices. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 314: How Do I Export Or Import A Configuration File
If Encryption Password for Export is selected, the exported data package will be encrypted, and you need to enter the encryption password to decompress the data package. To ensure data security, you are advised to select Encryption Password for Export. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 315: How Do I Change An Ip Address
Step 3 Choose Maintenance > Version Information and view the version information, software version, and BSP version. ----End Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 316: A Electric Control Box Layout
(2) Dual power supply (3) Dual power supply switchover contactor switchover contactor (4) Fuse (5) Intermediate contactor (6) Standby power switch (7) Active power switch (8) Cable clips (9) Drive 1 switch Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 317 (11) Power cable wiring (12) Fuse component switch terminal for the outdoor unit (13) Crankcase heater relay (14) Crankcase heater relay (15) Electric heater contactor (16) SPD and voltage detection board Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 318 Common alarm 1– Differential pressure Outdoor unit RS485– sensor 5 V DC for system 2 Common alarm 2+ Reserved Outdoor unit RS485– GND for system 2 Common alarm 2– Reserved Reserved Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 319: Netcol8000-A060/A120
(17) Electric heater switch (18) SPD and voltage detection terminals board NO TE a: This component is unavailable for the single-module model. b: This component is unavailable for the cooling-only model. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 320: Outdoor Unit
A.2.1 NetCol500-A060 Figure A-5 NetCol500-A060 electric control box (without a temperature control intelligent monitoring board) (1) PE bar (2) Fan switch (QF1) (3) Low temperature component switch (QF2) (4) Fan terminal Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 321 (5) Fan terminal (6) Temperature control component switch (QF2) intelligent monitoring board NO TE The temperature control intelligent monitoring board is located on the inner cover of the electronic control box. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 322: Netcol500-A080
A.2.2 NetCol500-A080 Figure A-7 NetCol500-A080 electric control box (without a temperature control intelligent monitoring board) (1) PE bar (2) Fan switch (QF1) (3) Low temperature component switch (QF2) (4) Fan terminal Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 323 (5) Fan terminal (6) Temperature control component switch (QF2) intelligent monitoring board NO TE The temperature control intelligent monitoring board is located on the inner cover of the electronic control box. Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 324: Netcol500-A120
A.2.4 NetCol500-A110 Figure A-10 NetCol500-A110 electric control box (without a temperature control intelligent monitoring board) (1) PE bar (2) Fan switch (QF1) (3) Receiver heater/Water cooling module (4) Fan terminal (QF2) Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 325: Netcol500-W055
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual A Electric Control Box Layout A.2.5 NetCol500-W055 Figure A-11 NetCol500-W055 electric control box Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 326: B Base
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Base B.1 Indoor Unit B.1.1 NetCol8000-A045D Figure B-1 NetCol8000-A045D base Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 327: Netcol8000-A045U
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.1.2 NetCol8000-A045U Figure B-2 NetCol8000-A045U base Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 328: Netcol8000-A055D
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.1.3 NetCol8000-A055D Figure B-3 NetCol8000-A055D base Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 329: Netcol8000-A060D
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.1.4 NetCol8000-A060D Figure B-4 NetCol8000-A060D base Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 330: Netcol8000-A060U
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.1.5 NetCol8000-A060U Figure B-5 NetCol8000-A060U base Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 331: Netcol8000-A090D
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.1.6 NetCol8000-A090D Figure B-6 NetCol8000-A090D base Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 332: Netcol8000-A120D
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.1.7 NetCol8000-A120D Figure B-7 NetCol8000-A120D base B.2 Outdoor Unit Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 333: Low Temperature Component
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.2.1 Low Temperature Component Figure B-8 Concrete base for a low temperature component Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 334: Netcol500-A060
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.2.2 NetCol500-A060 Horizontal Installation Figure B-9 Concrete base for the NetCol500-A060 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 335 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Figure B-10 Support base for the NetCol500-A060 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 336 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Vertical Single-Layer Installation Figure B-11 Concrete base for the NetCol500-A060 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 337 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Figure B-12 Single-layer support base for vertical installation of the NetCol500-A060MC1D0 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 338 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Figure B-13 Single-layer support base for vertical installation of the NetCol500-A060MS1E0 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 339 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Vertical Double-Layer Installation Figure B-14 Double-layer support base for vertical installation of the NetCol500-A060MC1D0 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 340 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Figure B-15 Double-layer support base for vertical installation of the NetCol500-A060MS1E0 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 341: Netcol500-A080
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.2.3 NetCol500-A080 Horizontal Installation Figure B-16 Concrete base for the NetCol500-A080 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 342 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Figure B-17 Support base for the NetCol500-A080 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 343 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Vertical Single-Layer Installation Figure B-18 Concrete base for vertical installation of the NetCol500-A080 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 344 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Figure B-19 Single-layer support base for vertical installation of the NetCol500-A080 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 345 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Vertical Double-Layer Installation Figure B-20 Double-layer support base for vertical installation of the NetCol500-A080 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 346: Netcol500-A110
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.2.4 NetCol500-A110 Figure B-21 Concrete base for the NetCol500-A110 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 347: Netcol500-A120
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.2.5 NetCol500-A120 Horizontal Installation Figure B-22 Concrete base for the NetCol500-A120 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 348 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Figure B-23 Support base for the NetCol500-A120 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 349 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base Vertical Single-Layer Installation of Outdoor Units Figure B-24 Single-layer support base for vertical installation of the NetCol500-A120 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 350: Netcol500-W055
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual B Base B.2.6 NetCol500-W055 Figure B-25 Concrete base for the NetCol500-W055 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 351: C Cooling Component Layout
(11) Filter dryer (12) Liquid pipe needle valve (13) Sight glass (14) Electronic expansion valve (15) Low-pressure needle valve (16) Evaporator (17) Indoor fan (18) Suction temperature sensor (19) Low pressure sensor Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 352: D Power Cable Filter For An Outdoor Unit
@ 10 kHz which can withstand 16 kHz inductor switching frequency and does not generate heat due to saturation Y capacitor 2.7 nF @ 10 ±10% Thin film feedthrough capacitor Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 353: E Electrical Diagrams
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams Electrical Diagrams E.1 Indoor Unit E.1.1 NetCol8000-A045 Figure E-1 Electric diagram 1 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 354 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams Figure E-2 Electric diagram 2 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 355: Netcol8000-A055
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams E.1.2 NetCol8000-A055 Figure E-3 Electric diagram 1 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 356 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams Figure E-4 Electric diagram 2 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 357: Netcol8000-A060
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams E.1.3 NetCol8000-A060 Figure E-5 Electric diagram 1 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 358 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams Figure E-6 Electric diagram 2 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 359: Netcol8000-A090
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams E.1.4 NetCol8000-A090 Figure E-7 Electric diagram 1 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 360 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams Figure E-8 Electric diagram 2 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 361: Netcol8000-A120
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams E.1.5 NetCol8000-A120 Figure E-9 Electric diagram 1 Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 362: Outdoor Unit
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams Figure E-10 Electric diagram 2 E.2 Outdoor Unit Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 363: Netcol500-A060
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams E.2.1 NetCol500-A060 Figure E-11 NetCol500-A060 electrical diagram Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 364: Netcol500-A080
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams E.2.2 NetCol500-A080 Figure E-12 NetCol500-A080 electrical diagram Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 365: Netcol500-A110
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams E.2.3 NetCol500-A110 Figure E-13 NetCol500-A110 electrical diagram Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 366: Netcol500-A120
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams E.2.4 NetCol500-A120 Figure E-14 NetCol500-A120 electrical diagram Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 367: Netcol500-W055
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual E Electrical Diagrams E.2.5 NetCol500-W055 Figure E-15 NetCol500-W055 electrical diagram Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 368: F Acronyms And Abbreviations
NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual F Acronyms and Abbreviations Acronyms and Abbreviations alternating current computational fluid dynamics Controller Area Network direct current electronic commutation fast Ethernet Internet Protocol Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.
Page 369 NetCol8000-A(045, 055, 060, 090, 120) In-room Air Cooled Smart Cooling Product User Manual F Acronyms and Abbreviations liquid crystal display negative temperature coefficient personal computer positive temperature coefficient RCCB residual current circuit breaker Universal Series Bus Issue 05 (2020-10-10) Copyright © Huawei Technologies Co., Ltd.

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Huawei NetCol8000-A045D User Manual

About this Document

1 Safety Information

2 Product Description

3 Technical Specifications

4 System Installation

5 Verifying the Installation

6 Power-On Commissioning

7 Webui

8 Operation and Maintenance

9 Troubleshooting

10 Alarm Reference

11 Parts Replacement

12 Faq

A Electric Control Box Layout

B Base

C Cooling Component Layout

D Power Cable Filter for an Outdoor Unit

E Electrical Diagrams

F Acronyms and Abbreviations

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Summary of Contents for Huawei NetCol8000-A045D