Huawei SUN2000-4.95KTL-JPL1 User Manual

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SUN2000-4.95KTL-JPL1

User Manual

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Date

2023-02-17

HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-4.95KTL-JPL1

Page 1 SUN2000-4.95KTL-JPL1 User Manual Issue Date 2023-02-17 HUAWEI TECHNOLOGIES CO., LTD.
Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
Page 3: About This Document
About This Document About This Document Purpose This document describes the SUN2000-4.95KTL-JPL1 (also referred to as SUN2000) in terms of its installation, electrical connection, commissioning, maintenance, and troubleshooting. Before installing and operating the SUN2000, ensure that you are familiar with the features, functions, and safety precautions provided in this document.
Page 4 Requirements. ● Updated 4.5.1 Wall-mounted Installation. ● Updated 5.2 Cable Preparation. ● Updated 5.4 Opening the Maintenance Compartment Door. Issue 01 (2021-02-28) This issue is used for first office application (FOA). Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 5: Table Of Contents
5.2 Cable Preparation................................. 39 5.3 Connecting the PE Cable..............................42 5.4 Opening the Maintenance Compartment Door......................44 5.5 Installing the AC Output Power Cable.......................... 46 5.6 Installing DC Input Power Cables............................ 48 Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 6 9.1 Removing a Solar Inverter..............................94 9.2 Packing a Solar Inverter..............................94 9.3 Disposing of a Solar Inverter............................94 10 Technical Data........................95 A Grid Code..........................99 B After-sales Service......................100 C Acronyms and Abbreviations................... 101 Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 7: Safety Information
The equipment is damaged due to force majeure such as earthquakes, floods, volcanic eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, and other extreme weather conditions. ● The equipment is operated beyond the conditions specified in this document. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 8: Personal Safety
D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The dielectric withstanding voltage level must comply with local laws, regulations, standards, and specifications. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 9 Professionals: personnel who are familiar with the working principles and structure of the equipment, trained or experienced in equipment operations and are clear of the sources and degree of various potential hazards in equipment installation, operation, maintenance Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 10: Electrical Safety
WARNING For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 11 ● Only qualified professionals can replace a damaged cable. ● Do not scrawl, damage, or block any labels or nameplates on the equipment. Promptly replace labels that have worn out. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 12: Environment Requirements
1.3 Environment Requirements D ANGER Do not expose the equipment to flammable or explosive gas or smoke. Do not perform any operation on the equipment in such environments. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 13 Do not install the equipment in an area conducive for the growth of microorganisms such as fungus or mildew. ● Do not install the equipment in an area with strong vibration, noise, or electromagnetic interference. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 14: Mechanical Safety
General Requirements ● Repaint any paint scratches caused during equipment transportation or installation in a timely manner. Equipment with scratches cannot be exposed for an extended period of time. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 15 When moving the equipment, assign dedicated personnel to take care of it. ● Choose sea or roads in good conditions for transportation as transportation by railway or air is not supported. Avoid tilt or jolt during transportation. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 16 If a single ladder is used, do not climb higher than the fourth rung of the ladder from the top. ● If you use a single ladder to climb up to a platform, ensure that the ladder is at least 1 m higher than the platform. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 17 Drilling Holes ● Obtain consent from the customer and contractor before drilling holes. ● Wear protective equipment such as safety goggles and protective gloves when drilling holes. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 18 To avoid short circuits or other risks, do not drill holes into buried pipes or cables. ● When drilling holes, protect the equipment from shavings. After drilling, clean up any shavings. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 19: Product Overview
Table 2-1 Model description Meaning Value Series name SUN2000: grid-tied solar inverter Power level 4.95K: The power level is 4.95 kW Topology TL: transformerless Region JP: Japan Product code L1: Low voltage Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 20 Figure 2-3 A single SUN2000 with full load (dashed boxes indicate optional components) NO TE In the cascading scenario, the output of each inverter cannot be combined into one channel to supply power to off-grid loads. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 21: Appearance
Figure 2-4 Cascading Networking in Scenarios of Less Than 50 kW 2.2 Appearance Appearance Figure 2-5 Appearance (1) LED indicators (2) Front panel (3) Mounting bracket (4) Heat sink (5) Top protective cover (6) Bottom cable holes Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 22 SUN2000 has no output in the off-grid mode. Blinking orange slowly Blinking orange slowly The SUN2000 is operating in the overload in backup mode. Both the DC and AC are off. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 23: Label Description
Table 2-3 LED description 2 Category Status Description Device LED1 LED2 LED3 replacement Steady red Steady red Steady red The SUN2000 indicator hardware is faulty and the SUN2000 needs to be replaced. 2.3 Label Description Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 24: Enclosure Labels
Ground the SUN2000 before powering it on. Operation warning Do not remove the connector when the SUN2000 is running. SUN2000 serial Indicates the serial number number. SUN2000 MAC address Indicates the MAC address. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 25: Product Nameplate
Figure 2-6 Nameplate (1) Trademark and product model (2) Important technical specifications (3) Compliance symbols (4) Company name and country of manufacture NO TE The nameplate figure is for reference only. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 27 ● In standby or operating mode, the SUN2000 enters shutdown mode after detecting a fault or shutdown command. ● In shutdown mode, the SUN2000 enters standby mode after detecting a startup command or detecting that the fault has been rectified. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 28: Storage
● If the solar inverter has been stored for a long time, inspections and tests should be conducted by qualified personnel before it is put into use. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 30 Crimping tool NOTE CRIMPFOX 10S or other Cable tie Vacuum cleaner crimping tools of the same specifications are recommended. Multimeter (DC voltage Marker Measuring tape measurement range ≥ 600 V DC) Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 31: Determining The Installation Position
● Do not install the solar inverter near flammable or explosive materials. ● Do not install the solar inverter at a place within children's reach. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 32 Install the solar inverter vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation. ● Do not install the solar inverter at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 33: Space Requirements
SUN2000-4.95KTL-JPL1 User Manual 4 Installation Figure 4-1 Installation Angle 4.3.2 Space Requirements Installation Space Requirements ● Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 34 When installing multiple inverters, install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is available. Stacked installation is not recommended. Figure 4-3 Horizontal installation mode (recommended) Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 35: Moving The Sun2000
Step 1 Stand facing the bottom of the SUN2000, hold the handles on both sides of the SUN2000, lift the SUN2000 from the packing case, and move it to the specified installation position. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 36: Installing The Inverter
● Place a foam pad or cardboard under the SUN2000 to protect the SUN2000 enclosure from damage. Figure 4-6 Moving the SUN2000 ----End 4.5 Installing the Inverter Installation Precautions Figure Mounting bracket dimensions shows the inverter mounting bracket dimensions. Figure 4-7 Mounting bracket dimensions Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 37: Wall-Mounted Installation
Screw Screw Mounting Structure Quantity Appearance Holes Plywood M6 tapping 5 PCS 1, 5, 6, 8, 11 (recommende screw Frame post M6 tapping 5 PCS 2, 4, 5, 7, 10 screw Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 39 Figure 4-11 Installing the mounting bracket (plywood) Figure 4-12 Installing the mounting bracket (solid brick concrete wall) Step 4 Install and secure the SUN2000 onto the mounting bracket Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 40: Support-Mounted Installation
Figure 4-14 Installing the protective cover ----End 4.5.2 Support-mounted Installation Procedure Step 1 Determine the hole positions based on the marking-off template, and then mark the hole positions using a marker. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 41 Step 2 Drill holes using a hammer drill. NO TE You are advised to apply anti-rust paint on the hole positions for protection. Figure 4-16 Drilling holes Step 3 Secure the mounting bracket. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 42 Prepare bolt assemblies based on the hole diameter of the mounting bracket. Step 4 Install the SUN2000 on the rear panel and tighten the bolt assemblies. Figure 4-17 Securing the SUN2000 Step 5 Install the SUN2000 protective cover. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 44: Electrical Connections
● Wear proper PPE at all time when terminating cables. ● To prevent poor cable connection due to overstress, it is recommended that the cables be bent and reserved, and then connected to the appropriate ports. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 45: Cable Preparation
Table 5-1 Component description Component Description Source PV string The PV string consists of solar Prepared by the panels connected in series. customer SmartLogger The SmartLogger3000 is supported. Purchased from Huawei Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 46 0.20–1 mm cable twisted pair (battery) Communic Four-core Conductor cross-sectional Prepared by ations outdoor shielded the customer area: 0.20–1 mm cable twisted pair (inverter SmartLogg er or cascaded inverter) Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 47 Naked Crimping PE cable Terminal, OT, 6 mm , M4, Tin Plating, Insulated Ring Terminal, 12–10 AWG, yellow Naked Crimping PE cable Terminal, OT, 10 mm M4, Tin Plating, Naked Ring Terminal Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 48: Connecting The Pe Cable
● It is recommended that silica gel or paint be applied around the ground terminal after the PE cable is connected. Procedure Step 1 Crimp the OT terminal. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 49 (A) Core (B) Insulation layer (C) Heat shrink tubing (D) Hydraulic pliers (E) Heat gun Step 2 Connect the PE cable. NO TICE Ensure that the PE cable is securely connected. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 50: Opening The Maintenance Compartment Door
If unavoidable, do not open the maintenance compartment door in rainy or snowy days. Procedure Step 1 Remove the four screws from the maintenance compartment door using a hex key and set them aside. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 51 PV2 input Battery input Communications and CT sampling cable U1 and W1 terminals of the off-grid output cable U, O, and W terminals of the grid-tied output power cable and PE cable Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 52: Installing The Ac Output Power Cable
● Ensure that the cable is not twisted. Procedure Step 1 Prepare AC cord end terminals and route them into the maintenance compartment through the cable hole at the bottom of the SUN2000. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 53 Step 2 Insert the crimped cable terminals into the corresponding AC output terminals on the SUN2000. Figure 5-7 Installing AC output power cables Step 3 Connect the AC power cable. Figure 5-8 Connecting a 101 V AC self-supporting output power cable Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 54: Installing Dc Input Power Cables
DC circuit, such as connecting or disconnecting a PV string or a PV module in the PV string. Failure to do so may cause electric shocks or arcing, which may also cause fire. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 55 Figure 5-10 DC input terminals Table 5-5 Selecting DC input terminals Numbe SUN2000 (Recommended Connection Method) r of Inputs Connects to (2b+, 2b–) Connects to (1b+, 1b–) and (2b+, 2b–) Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 56 Figure 5-11 Preparing cord end terminals for the PV cable and routing them into the SUN2000 maintenance compartment (1) Cord end terminal (2) Crimping tool (3) Route the cable terminals through the DC cable holes Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 57 Connect the cable terminals and tighten the screws. Pull back the DC input power cables to check that they are securely connected. Figure 5-12 Installing DC input power cables Figure 5-13 Two DC Inputs Connection Figure 5-14 Four DC Inputs Connection Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 58 Before removing wiring terminals, ensure that the DC switch is OFF. To remove DC input wiring terminals from the SUN2000, perform the operations in the reverse order. Figure 5-15 Removing cord end terminals from DC power cables Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 59: Connecting Battery Cables
10 meters (recommended: within 5 meters). Procedure Step 1 Prepare cord end terminals for the battery cables, and route them into the maintenance compartment through the cable holes at the bottom of the SUN2000. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 60 Step 3 Insert the crimped cable terminals into the positive and negative battery terminals on the SUN2000. NO TICE Connect the cable terminals and tighten the screws. Pull the battery cables back to check that they are securely connected. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 61: Connecting A Communications Cable
5.8 Connecting a Communications Cable Background NO TICE When laying out a signal cable, separate it from power cables and keep it away from strong interference sources to prevent communication interruption. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 62 SUN2000. NO TICE ● The core wires are completely inserted into the cable hole. ● Ensure that the communications cable is securely connected. ● Ensure that the cable is not twisted. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 63 Step 2 Locate the SUN2000 communications terminal in the fitting bag. Step 3 Connect the cord end terminals to the corresponding ports on the communications terminal. Figure 5-22 Connecting a communications cable Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 64 Ensure that the communications terminal is securely connected. Step 4 Insert the connected communications terminal into the SUN2000 communications terminal base and secure both ends. Figure 5-25 Inserting and securing the base Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 65: Connecting A Ct Cable
5.9 Connecting a CT Cable Background Figure 5-28 CT cable port Table 5-7 CT port definition Label Definition Description CT1+ Primary U wire on the power grid side CT1+ CT1- Primary CT1– Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 66 Step 3 Connect the prepared cord end terminals to the corresponding ports of the CT terminal, and insert the communications terminal into the CT terminal base of the SUN2000. Figure 5-29 Connect the CT and CT cables Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 67 ● Do not reversely connect the CT terminal when inserting it into the base. Step 4 Connect the CT PE cable. Figure 5-31 Connect the CT PE cable. ----End Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 68: Encapsulation After Installation
Step 1 Tighten the four screws on the maintenance compartment door using a hex key to ensure the sealing performance of the maintenance compartment. Figure 5-32 Installing the maintenance compartment door Step 2 Install the bottom shielding cover. Figure 5-33 Installing the bottom shielding cover ----End Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 69: System Commissioning
Grounding The PE cable is connected correctly, securely, and reliably. Switch The DC switch on the solar inverter and all the switches connected to it are set to OFF position. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 70: System Power-On
NO TICE If the DC is on and the AC is off, the solar inverter reports a Grid Loss alarm. The solar inverter starts normally only after the fault is rectified. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 71 SUN2000s may not connect to the power grid. If the power adjustment parameters are incorrectly set, the SUN2000s may not connect to the power grid as required. In these cases, the energy yield will be affected. ----End Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 72: Human-Machine Interaction
After the construction is complete, check the installation by referring to the Checklist for the Construction of Residential PV Energy Storage System. Figure 7-2 Checklist for the construction of the residential PV energy storage system Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 73: Setting The Physical Layout Of The Smart Pv Optimizers (Through The Smartlogger Screen On The Fusionsolar App)
Step 2 On the SmartLogger home screen, tap Device monitoring, select the target inverter, and tap Maintenance. Step 3 Choose Maintenance > Subdevice management, and tap Subdevice. Step 4 Choose Maintenanc > Optimizer layout. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 74 (The optimizers that fail to be identified need to be manually bound.) ● lMethod 2: Tap Add PV module to manually add PV modules and bind the optimizers to the PV modules. ----End Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 75: Maintenance
To ensure that the solar inverter can operate properly for a long term, you are advised to perform routine maintenance on it as described in this chapter. CA UTION Before cleaning the system, connecting cables, and ensuring the grounding reliability, power off the system. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 76: Powering Off The System
Procedure Step 1 Run a shutdown command on the SmartLogger, or NMS. Step 2 Turn off the AC switch between the solar inverter and the power grid. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 78 PV modules in the PV string. 2. Check whether the PV string is shaded. 3. Check whether the open-circuit voltage of the PV string is normal. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 79 2. If the PV string current is obviously low, check whether the PV string is shaded. 3. If the PV string is clean and not shielded from sunlight, check whether any PV module is faulty. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 80 SUN2000 PV+ and the ground should be less than 0 V to clear the alarms.) 4. If the fault occurs repeatedly, contact your dealer or Huawei technical support. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 81 2. Check whether the AC experiences an outage. circuit is disconnected or the AC circuit breaker is ● The AC circuit is OFF. disconnected or the AC circuit breaker is OFF. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 82 (NMS) with the consent of the local power operator. 3. If the alarm persists for a long time, check the connection between the AC switch and the output power cable. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 83 3. Check whether the peak voltage of the power grid is too high. If the alarm persists and cannot be rectified for a long time, contact the power operator. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 84 If not, contact the local power operator. If yes, modify the grid overfrequency protection threshold through the mobile app, SmartLogger, or NMS with the consent of the local power operator. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 85 2. If the alarm occurs frequently, check whether the power grid frequency is within the allowed range. If not, contact the local power operator. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 86 SUN2000 is operating. automatically recovers after the fault is rectified. 2. If the alarm occurs frequently or persists, check whether the impedance between the PV string and the ground is too low. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 87 3. After the SUN2000 is powered on, check whether the output mode set for the SUN2000 is consistent with the output cable connection mode. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 88 ● The SUN2000 is not improve the ventilation working properly. and heat dissipation. 3. If the ventilation and ambient temperature both meet requirements, contact your dealer or Huawei technical support. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 89 ● Cause ID 10: The DC bus experiences overvoltage. ● Cause ID 11: The DC bus experiences undervoltage. ● Cause ID 12: The DC bus experiences voltage imbalance. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 90 5 minutes. If the ● The flash memory has alarm persists, replace the bad sectors. monitoring board or contact your dealer Huawei technical support. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 91 Then turn on the battery switch, AC output switch, and DC input switch in sequence after 5 minutes. 5. If the alarm persists, contact your dealer or Huawei technical support. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 92 Check whether the voltage Islanding at the grid connection point When the power grid of the SUN2000 is normal. experiences an AC power outage, the SUN2000 detects an island grid passively. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 93 Check whether the power port pin of the peripherals device is short-circuited. 2. After replacing the peripherals device, start the self-check according to the user manual and ensure that the port functions properly. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 94 Major Cause ID = 1 1. Check whether the Overload device output is short- The output is overloaded or circuited. short-circuited. 2. Check whether the device load exceeds the rated value. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 95 2. Check whether the configuration scenarios, optimizer output the PV string voltage extension cable is exceeds the SUN2000 correct (positive input voltage connector at one end specifications. and negative connector at the other). Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 96 Turn them on damaged. after 5 minutes and wait for the SUN2000 to connect to the power grid. If the alarm persists, contact your dealer or Huawei technical support. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 97 DI signal configuration mapping table. Contact the power grid company to check whether the configurations in the mapping table are complete and meet the requirements. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 98 Please capacity of the the battery is lower than remove unnecessary loads battery is low. 10% of the total capacity in to increase power backup off-grid scenario. duration. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 99 SUN2000-4.95KTL-JPL1 User Manual 8 Maintenance NO TE Contact your dealer if the fault persists after you complete the procedures listed above. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 100: Disposal
9.3 Disposing of a Solar Inverter If the solar inverter service life expires, dispose of it according to the local disposal rules for electrical equipment and electronic component waste. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 101: Technical Data
Note [b]: In the PV-only off-grid scenario, the startup voltage must be at least 200 V. Due to susceptibility to weather and sunlight, the energy yield may be unstable without batteries. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 102 ≤ 300 mV SUN2000 self-supporting < 80 W operation without loads Grid connection recovery The default value is 300s. The value ranges from 6s to 300s time after self- supporting operation Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 103 Cooling mode Natural cooling Dimensions (W x H x D) 365 mm x 649 mm x 159 mm Weight < 20 kg Operating temperature –25°C to +60°C Operating humidity 0%–100% RH Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 104 SUN2000-4.95KTL-JPL1 User Manual 10 Technical Data Technical Specifications SUN2000-4.95KTL-JPL1 Storage humidity 5%–95% RH Storage temperature –40°C to +70°C Operating altitude 0–4000 m (derated when the altitude is higher than 2000 m) Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 105: A Grid Code
The grid codes are subject to change. The listed codes are for reference only. Table A-1 Grid codes Grid Code Grid Voltage Grid Frequency Japan (LV202-50 Hz) 202 V 50 Hz Japan (LV202-60 Hz) 202 V 60 Hz Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 106: B After-Sales Service
Hardware Hardware replacement (spare parts After the replacement replacement delivery) application is confirmed, the spare parts will be delivered within two working days, unless delayed by force majeure duration transportation. Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 107: C Acronyms And Abbreviations
SUN2000-4.95KTL-JPL1 User Manual C Acronyms and Abbreviations Acronyms and Abbreviations maximum power point MPPT maximum power point tracking photovoltaic RCMU residual current monitoring unit Issue 05 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.

Huawei SUN2000-4.95KTL-JPL1 User Manual

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