Huawei SUN2000-4.95KTL-JPL0 User Manual

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SUN2000-4.95KTL-JPL0

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-JPL0

Page 1 SUN2000-4.95KTL-JPL0 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-JPL0 in terms of its installation, electrical connection, commissioning, maintenance, and troubleshooting. Before installing and operating the solar inverter, ensure that you are familiar with the features, functions, and safety precautions provided in this document.
Page 4 Updated C Restoring the Factory Defaults of a Solar Inverter. Issue 02 (2020-02-06) Updated 5.6 Connecting a Signal Cable. Issue 01 (2019-11-01) This issue is used for first office application (FOA). Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 5: Table Of Contents
5.5 Installing DC Input Power Cables............................ 40 5.6 Connecting a Signal Cable..............................44 6 System Commissioning......................48 6.1 Checking Before Power-On..............................48 6.2 Powering On the System..............................49 6.3 Powering Off the System..............................50 Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 6 8.2 Packing a Solar Inverter..............................60 8.3 Disposing of a Solar Inverter............................60 A Technical Specifications.......................61 B Grid Code..........................66 C Restoring the Factory Defaults of a Solar Inverter............67 D Acronyms and Abbreviations..................... 69 Issue 04 (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 04 (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 04 (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 04 (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 04 (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 04 (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 04 (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 04 (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 04 (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 04 (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 04 (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 04 (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 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 19: Product Overview
Table 2-1 Model description Label Meaning Description Series SUN2000: single-phase grid-tied PV string inverter Power 4.95K: The power level is 4.95 kW Topology TL: transformerless Region JP: Japan Design code L0: single-phase inverter Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 20: Appearance
(B) SUN2000 (C) Combiner box (D) Power grid (E) Internet (F) Management system Supported Power Grid The solar inverter supports the single-phase three-wire power grid. Figure 2-3 Supported power grid 2.2 Appearance Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 21 (5) Mounting bracket (6) Heat sink (7) DC switch (DC (8) DC input terminals SWITCH) (PV1+/PV1–) (9) DC input terminals (10) Ventilation valve (11) COM port (COM) (12) AC output port (PV2+/PV2–) (AC) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 22: Label Description
The DC is off. Steady red Steady red Fault Communicatio LED3 n indication Blinking green fast (on for 0.2s Communicating and then off for 0.2s) No communication 2.3 Label Description Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 23 Operation warning Do not remove the connector when the solar inverter is running. Serial number (SN) Indicates the solar inverter SN. Media access control Indicates the MAC (MAC) address address. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 24: Working Principle
PV strings. The DC power is then converted into single-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 26 ● In shutdown mode, the solar inverter enters standby mode after detecting a startup command or detecting that the fault has been rectified. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 27: 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 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 28: Installation
NO TE Packing List in the packing case. For details about the number of contents, see the 4.2 Tools and Instruments Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 29 Rubber mallet Utility knife Cable cutter Crimping tool (model: Open-end wrench Cable tie H4TC0003; manufacturer: (model: H4TW0001; Amphenol) manufacturer: Amphenol) Vacuum cleaner Multimeter (DC voltage Marker measurement range ≥ 600 V DC) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 30: Determining The Installation Position
Do not install the solar inverter at a place within children's reach. ● The solar inverter will be corroded in salt areas, and the salt corrosion may cause fire. Before installing the solar inverter outdoors in salt areas, consult Huawei. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 31 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 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 32 When installing multiple solar 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. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 33 SUN2000-4.95KTL-JPL0 User Manual 4 Installation Figure 4-3 Horizontal installation mode (recommended) Figure 4-4 Horizontal installation mode (support-mounted, not shaded or exposed to direct sunlight) Figure 4-5 Triangle installation mode (recommended) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 34: Installing The Mounting Bracket
SUN2000-4.95KTL-JPL0 User Manual 4 Installation Figure 4-6 Stacked installation mode (not recommended) 4.4 Installing the Mounting Bracket Figure 4-7 Mounting hole dimensions 4.4.1 Wall-mounted Installation Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 35 ● Level the head of the expansion sleeve with the concrete wall after removing the bolt, spring washer, and flat washer. Otherwise, the mounting bracket will not be securely installed on the wall. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 36: Support-Mounted Installation
Step 1 Determine the positions for drilling holes using the mounting bracket. Level the positions of mounting holes using a level, and mark the positions with a marker. Figure 4-10 Determining hole positions Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 37 NO TE You are advised to apply anti-rust paint on the hole positions for protection. Figure 4-11 Drilling holes Step 3 Secure the mounting bracket. Figure 4-12 Securing the mounting bracket ----End Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 38: Installing A Solar Inverter
Step 3 Tighten screw assemblies. Step 4 (Optional) Install an anti-theft lock. NO TICE ● Prepare an anti-theft lock suitable for the lock hole diameter (Ф8 mm). ● Keep the key to the anti-theft lock. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 40: 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 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 41: Preparing Cables
The cable colors shown in the electrical connection diagrams provided in this chapter are for reference only. Select cables in accordance with local cable specifications (green-and- yellow cables are only used for grounding). 5.2 Preparing Cables Figure 5-1 Solar inverter cable connection Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 42: Connecting A Pe Cable
● Wrap the wire crimping area with a heat shrinkable tube or PVC insulation tape. The heat shrink tubing is used as an example. ● When using a heat gun, protect the solar inverter from being scorched. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 43: Connecting An Ac Output Power Cable
NO TE To enhance the corrosion resistance of a ground terminal, apply silica gel or paint around the terminal after connecting the PE cable. ----End 5.4 Connecting an AC Output Power Cable Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 44 ● Ensure that AC output cable is secured. Failing to do so may cause solar inverter malfunction or damage to its AC connector. ● Ensure that the cable is not twisted. Figure 5-4 Assembling an AC connector Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 45 Step 2 Connect the AC connector to the AC output port. NO TICE Ensure that the AC connector is connected securely. Figure 5-6 Securing an AC connector Step 3 Check the route of the AC output power cable. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 46: Installing Dc Input Power Cables
OFF position. To remove the AC connector from the solar inverter, perform the operations in reverse order. Figure 5-8 Removing a plug insert 5.5 Installing DC Input Power Cables Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 47 In this case, an AC or DC short circuit may occur and damage the solar inverter. The caused device damage is not covered under any warranty. NO TE The solar inverter supports Y type terminals. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 48 ● Insert the crimped metal terminals of the positive and negative power cables into the appropriate positive and negative connectors. Then pull back the DC input power cables to ensure that they are connected securely. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 49 PV string current drops below 0.5 A. Then, turn off the DC switch, remove the positive and negative connectors, and rectify the connection of the DC input power cables. ----End Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 50: Connecting A Signal Cable
Figure 5-12 Removing a DC connector 5.6 Connecting a Signal Cable Context NO TICE When laying out a signal cable, separate it from the power cable to avoid strong signal interference. Figure 5-13 Signal cable port Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 51 ● Ensure that the exposed core is totally inserted into the cable hole. ● Ensure that the signal cable is connected securely. ● Ensure that the cable is not twisted. ● Ensure that the signal connector is connected securely. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 52 ● If two signal cables are required, ensure that they have the same outer diameter. Figure 5-15 Blocking a cable hole (4–8 mm four-hole rubber plug) Figure 5-16 Connecting RS485 communications cables (4–8 mm two-hole rubber plug) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 53 ● Block unused cable holes using plugs and tighten cable glands. ● If two signal cables are required, ensure that they have the same outer diameter. Figure 5-17 Blocking a cable hole (4–8 mm two-hole rubber plug) ----End Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 54: System Commissioning
Cable connections The AC output power cable and DC input power cables are connected correctly, securely, and reliably. Unused terminals and ports Unused terminals and ports are locked by watertight caps. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 55: Powering On The System
Step 3 Turn on the DC switch at the bottom of the solar inverter. SmartACBox 10-In Step 4 For details about quick settings over the SmartLogger, see the 1-Out Smart AC Combiner Box Quick Guide. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 56: Powering Off The System
Step 3 Turn off the DC switch at the bottom of the solar inverter. Step 4 Turn off the DC switch between the PV string and the solar inverter if there is any. ----End Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 57: System 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 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 58: Troubleshooting
Minor: Some components are faulty but the solar inverter can still connect to the power grid and generate power. ● Warning: The solar inverter output power decreases due to external factors. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 59 ● The power grid 2. Check whether the AC circuit experiences an outage. is disconnected or the AC switch is off. ● The AC circuit is disconnected or the AC switch is off. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 61 If no, contact the local power operator. If yes, log in to the SmartLogger, or NMS to modify the power grid overfrequency protection threshold with the consent of the local power operator. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 63 3. If you are sure that the ground is poor. impedance is less than the default value in a cloudy or rainy environment, log in to the app, SmartLogger, or NMS and set Insulation resistance protection. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 64 Cause ID = 1 Check that the grid connection Islanding voltage of the solar inverter is When the power grid normal. experiences an AC power outage, the solar inverter detects islanding proactively. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 65 3. Check whether the peak grid voltage exceeds the upper threshold. NO TE Contact your dealer if the fault persists after you complete the procedures listed above. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 66: Handling A Solar Inverter
8.3 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 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 67: A Technical Specifications
SUN2000-4.95KTL-JPL0 User Manual A Technical Specifications Technical Specifications Efficiency Item SUN2000-4.95KTL-JPL0 Efficiency (JIS) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 68 ● Note a: The maximum input voltage is the upper threshold of the DC voltage. If the input voltage exceeds the threshold, the solar inverter may be damaged. ● Note b: If the input voltage is beyond the operating voltage range, the solar inverter cannot work properly. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 69 Rated output 202 V voltage Output frequency 47.5–51Hz(50Hz) 58.2–61.2Hz(60Hz) Maximum output 27.5 A current Power factor 0.8 leading and 0.8 lagging Maximum total ≤ 3% harmonic distortion (rated power) Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 70 Residual current Supported monitoring unit (RCMU) AC surge Supported protection DC surge Supported protection Output Supported overvoltage protection Insulation Supported resistance detection Communication Item SUN2000-4.95KTL-JPL0 Display LED indicators RS485 Supported Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 71 H x D) Net weight 12.6 kg Storage –40°C to +70°C temperature Storage humidity 5%–95% RH Operating –30°C to +60°C temperature Operating 0%–100% RH humidity Operating 0–4000 m (derated above 2000 m) altitude Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 72: B Grid Code
Table B-1 Grid codes Grid Code Description Grid Voltage Grid Frequency Japan Japan low- 202 V 50 Hz (LV202-50Hz) voltage grid Japan Japan low- 202 V 60 Hz (LV202-60Hz) voltage grid Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 73: C Restoring The Factory Defaults Of A Solar Inverter
Fixed active power derated to set the parameters. Active power percentage derating (%) Reactive power change gradient (%/s) RS485 Baud rate The preset value is 9600 bps communicatio (cannot be restored or changed). Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 74 Log in to the SmartLogger WebUI as Advanced User, Special User or admin and choose Maintenance > Device Mgmt. > Connect Device. Click Auto Assign Address to complete address assignment and adjustment. Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.
Page 75: D Acronyms And Abbreviations
SUN2000-4.95KTL-JPL0 User Manual D Acronyms and Abbreviations Acronyms and Abbreviations maximum power point MPPT maximum power point tracking photovoltaic RCMU residual current monitoring unit Issue 04 (2023-02-17) Copyright © Huawei Technologies Co., Ltd.

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