Huawei SUN2000-43KTL-IN-C1 User Manual

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SUN2000-43KTL-IN-C1

User Manual

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Date

2018-05-06

HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-43KTL-IN-C1

Page 1 SUN2000-43KTL-IN-C1 User Manual Issue Date 2018-05-06 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 SUN2000-43KTL-IN-C1 (SUN2000 for short) in terms of its installation, electrical connections, commissioning, maintenance, and troubleshooting. Understand the safety information and get familiar with the SUN2000 functions and features before installing and operating the SUN2000.
Page 4 Issue 02 (2017-02-20) Updated Installation Environment Requirements 4.3 Wall-mounting the SUN2000. Updated Installation Environment Requirements 4.4 Support-mounting the SUN2000. Updated 8.1 Routine Maintenance. Issue 01 (2016-10-10) This issue is the first official release. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 5: Table Of Contents
5.4 Connecting DC Input Power Cables ........................... 49 5.5 Connecting Communications Cables .......................... 56 5.5.1 Communication Mode Description .......................... 56 5.5.2 Connecting RS485 Communications Cables ......................58 5.6 Closing the Maintenance Compartment Door ......................63 Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 6 8.2 Troubleshooting ................................81 9 Handling the SUN2000 ......................90 9.1 Removing the SUN2000 ............................. 90 9.2 Packing the SUN2000 ..............................90 9.3 Disposing of the SUN2000 ............................90 10 Technical Specifications ......................91 Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 7: Safety Precautions
Before performing operations, read through this manual and follow all the precautions to prevent accidents. The safety precautions provided in this document do not cover all the safety precautions. Huawei shall not be liable for any consequence caused by the violation of the safety operation regulations and design, production, and usage standards.
Page 8  Do not touch an energized inverter because the heat sink may be over 60º C.  Follow local laws and regulations when operating the equipment. Maintenance and Replacement Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 9 Rectify any faults that may compromise the inverter security performance before powering on the inverter again.  Observe ESD precautions during the maintenance.  For personal safety, wear insulation gloves and safety shoes. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 10: Overview
The SUN2000 applies to grid-tied PV power systems for commercial rooftops and large power stations. Typically, a grid-tied PV power system consists of PV strings, grid-tied inverters, AC distribution units (ACDUs), and isolation transformer, as shown in Figure 2-2. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 11: Appearance
The SUN2000 is mainly used for medium-voltage power grids. It delivers three-phase, three-wire output, which is then fed to a medium-voltage power grid through a step-up transformer. 2.2 Appearance SUN2000 Dimensions Figure 2-4 shows the SUN2000 dimensions. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 12 Figure 2-4 SUN2000 dimensions (including the mounting plate) Front View Figure 2-5 shows the SUN2000 front view. Figure 2-5 SUN2000 front view (1) Maintenance compartment door (2) LED indicator (3) Host panel Table 2-2 describes the LED indicators. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 13 (on for progress. status 1s and then off for Blinking green at Local maintenance fails. short intervals (on for 0.125s and then off for 0.125s) Steady green Local maintenance succeeds. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 14 SUN2000 rear view. Figure 2-6 SUN2000 rear view (1) Heat sink (2) Mounting plate SUN2000 bottom view Figure 2-7 shows the SUN2000 bottom view. Figure 2-7 SUN2000 bottom view Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 15: Label Description
Running warning after the SUN2000 is powered on. Take protective measures when operating the SUN2000. Burn warning Do not touch a running SUN2000 because it generates high temperatures on the shell. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 16 Indicates the SUN2000 label serial number. Nameplate The SUN2000 is labeled with a nameplate on the side that contains the model information, technical specifications, and compliance symbols, as shown in Figure 2-8. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 17 CE certification mark The SUN2000 complies with Conformité Europé enne (CE) certification standards. Environmentally friendly The SUN2000 does not use period (EFUP) label pollute the environment during the specified period. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 18: Working Principle
SUN2000 conceptual diagram. Figure 2-9 SUN2000 conceptual diagram Working Modes The SUN2000 can work in standby, operating, or shutdown mode. Figure 2-10 shows the relationship between the three working modes. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 19 In standby or operating mode, the SUN2000 enters the shutdown mode after detecting a fault or shutdown command.  In shutdown mode, the SUN2000 enters the standby mode after detecting a startup command or that a fault is rectified. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 20: Inverter Storage
Periodic inspections are required during the storage. If any rodent bites are found, replace the packing materials immediately.  If the inverter has been long-term stored, inspections and tests should be conducted by qualified personnel before it is put into use. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 21: System Installation
After unpacking the inverter, check that the contents are intact and complete. If any damage is found or any component is missing, contact your supplier. For details about the number of contents, see the Packing List in the packing case. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 22: Tools
Torque wrench With an open end of 18 Secures bolts and locking caps. mm, 33 mm, 52 mm, or 65 mm Diagonal pliers Cut cable ties. Wire stripper Peels cable jackets. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 23  UTXTC0005 (Amphenol) is used to crimp metal cold forming contacts.  H4TC0003 (Amphenol) is used to crimp metal stamping forming contacts. RJ45 crimping tool Prepares RJ45 connectors for communications cables. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 24 DC voltage measurement Multimeter Measures voltages. range: ≥ 1500 V DC1100 V DC1000 V DC750 V Diameter: ≤ 10 mm Marker Marks signs. Measuring tape Measures distances. Level Levels hole positions. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 25 Protects an operator from dust Anti-dust respirator inhalation during hole drilling. Hydraulic pliers Crimp OT/DT terminals. Heat shrink tubing Wraps the cable crimping area of an OT/DT terminal. Heat gun Heat-shrinks a tube. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 26: Wall-Mounting The Sun2000
The SUN2000 should be installed in a sheltered place or a place with an awning. If the SUN2000 is installed in such a place, ensure that the clearances around the SUN2000 meet the requirements specified in Installation Space Requirements. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 27 SUN2000 disturb residents. Installation Angle Requirements  Install the SUN2000 vertically or at a maximum back tilt of 15 degrees to facilitate heat dissipation. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 28 The SUN2000 dimensions (W x H x D, including the mounting bracket) are 930 mm x 550 mm x 283 mm. Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation, as shown in Figure 4-5. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 29 When installing multiple SUN2000s, install them in horizontal mode if sufficient space is available and install them in triangle mode if no sufficient space is available. The stacked installation mode is not recommended. Figure 4-6 Horizontal installation mode (recommended) Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 31: Moving The Inverter
When placing the SUN2000 on the floor, put foam or paper under the SUN2000 to protect its cover. Procedure Step 1 Arrange two persons to hold the handles on both sides of the SUN2000. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 32: Installing The Mounting Bracket
The SUN2000 mounting bracket has 16 tapped holes in four groups. Mark any hole in each group based on site requirements and mark four holes in total. Two round holes are preferred. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 33 Step 3 Drill holes using a hammer drill and install expansion bolts. Avoid drilling holes in the water pipes and power cables buried in the wall. An expansion bolt contains four parts, as shown in Figure 4-13. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 34 Step 4 Align the mounting bracket with the holes, insert expansion bolts into the holes through the mounting bracket, and tighten the expansion bolts to a torque of 45 N· m using an 18 mm socket wrench. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 35: Installing The Sun2000
SUN2000 with one hand and the handle at the top with the other. To prevent personal injury caused by a falling SUN2000, keep balance when lifting the SUN2000 because it is heavy. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 36 Step 4 Run a rope that is strong enough to bear the SUN2000 through the lifting eyes and hoist the SUN2000. When hoisting the SUN2000, keep balance to protect the SUN2000 from colliding with the wall or other objects. Figure 4-17 Hoisting a SUN2000 Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 37 Figure 4-18 Mounting the SUN2000 onto the mounting bracket Step 6 Tighten the two security torx screws using a security torx wrench to a torque of 5 N· m. Figure 4-19 Tightening security torx screws ----End Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 38: Support-Mounting The Sun2000
The carrier where the SUN2000 is installed must be fireproof.  Do not install the SUN2000 on flammable building materials.  Ensure that the installation surface is solid enough to bear the weight load. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 39 The SUN2000 dimensions (W x H x D, including the mounting bracket) are 930 mm x 550 mm x 283 mm. Reserve enough clearance around the SUN2000 to ensure sufficient space for installation and heat dissipation, as shown in Figure 4-23. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 40: Moving The Inverter
4.4.2 Moving the Inverter For details, see 4.3.2 Moving the Inverter. 4.4.3 Installing the Mounting Bracket Context Figure 4-24 shows the SUN2000 mounting bracket dimensions. Figure 4-24 Mounting bracket dimensions Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 41 Figure 4-26 Determining hole positions Step 3 Drill holes using a hammer drill. You are advised to apply anti-rust paint on the hole positions for protection. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 42 The SUN2000 is delivered with M12x40 bolt assemblies. If the screw length does not meet the installation requirements, prepare M12 bolt assemblies by yourself and use them together with the delivered M12 nuts. Figure 4-28 Securing a mounting bracket ----End Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 43: Installing The Sun2000
SUN2000-43KTL-IN-C1 User Manual 4 System Installation 4.4.4 Installing the SUN2000 For details, see 4.3.4 Installing the SUN2000. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 44: Connecting Cables
The cable colors shown in the electrical connection drawings provided in this chapter are for reference only. Select cables in accordance with local cable specifications (green-and-yellow wires are used for grounding only). 5.1 Opening the Maintenance Compartment Door Prerequisites Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 45 Step 1 Remove the two screws from the maintenance compartment door using a security torx wrench and set them aside. Figure 5-1 Removing screws Step 2 Open the maintenance compartment door and install a support bar. The support bar is bound to the chassis base. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 46: Connecting The Ground Cable (Pe)
SUN2000s connected in parallel, connect the ground points of all SUN2000s to ensure equipotential connections to ground cables. Procedure Step 1 Strip an appropriate length of the insulation layer using a wire stripper, as shown in Figure 5-3. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 47 Step 3 Remove the ground screws from the ground points. Step 4 Secure the ground cable using the ground screw and tighten the screw to a torque of 5 N•m using a security torx wrench. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 48: Connecting Ac Output Power Cables
(L1, L2, and L3) outdoor cable. To connect a ground cable to the ground point in the maintenance compartment, use a four-core (L1, L2, L3, and PE) outdoor cable. Table 5-1 describes the specifications. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 49 If a copper-clad aluminum cable is used, use a copper wiring terminal.  If an aluminum alloy cable is used, use a copper to aluminum adapter terminal or an aluminum wiring terminal with a copper to aluminum adapter washer. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 50 Ensure that the aluminum side of the washer contacts the aluminum wiring terminal, and the copper side contacts the AC terminal block. Figure 5-6 Requirements for OT terminals Procedure Step 1 Remove the AC terminal cover, as shown in Figure 5-7. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 51 Step 3 Choose whether to use rubber fittings based on the cable outer diameter and select one or more rubber fittings if required. Route the cable through the locking cap and then the rubber fitting. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 52 Ensure that the jacket is in the maintenance compartment. Figure 5-9 Stripping an AC output power cable (three core wires) (A) Core wire (B) Insulation layer (C) Jacket Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 53 13 mm socket wrench with an extension rod to a torque of 8 N· m. If you connect a ground cable to the ground point in the maintenance compartment, tighten the ground screw using a 10 mm socket wrench with an extension rod to a torque of 5 N· m. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 54 PE cable. Figure 5-11 Connecting an AC output power cable (three core wires) Figure 5-12 Connecting an AC output power cable (four core wires) Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 55: Connecting Dc Input Power Cables
PV string current reduces to below 0.5 A. Then, turn off the two DC switches, remove the positive and negative connectors, and correct the polarity of the DC input power cable. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 56 Connects to sets 1, 3, 5, and 7. Connects to sets 1, 2, 3, 5, and 7. Connects to sets 1, 2, 3, 5, 6, and 7. Connects to sets 1, 2, 3, 4, 5, 6, and 7. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 57 Positive and negative connectors DC input connectors are categorized into positive and negative connectors, as shown in Figure 5-14 Figure 5-15. Figure 5-14 Positive connector (1) Insulation shell (2) Locking nut Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 58 H4TC0002 (Amphenol), PV-CZM-22100 (Staubli), or PV-CZM-19100 (Staubli). When choosing PV-CZM-22100 or PV-CZM-19100, do not use the locator. Otherwise, metal contacts would be damaged. Figure 5-16 Crimping tool (H4TC0003) (1) Locator Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 59 (4) Negative connector Figure 5-18 Preparing positive and negative connectors (using metal stamping forming contacts) (1) Positive metal contact (stamping (2) Negative metal contact (stamping forming) forming) (3) Positive connector (4) Negative connector Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 60 Figure 5-20. After the positive and negative connectors snap into place, pull the DC input power cables back to ensure that they are connected securely. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 61 OFF. To remove the positive and negative connectors from the SUN2000, insert a removal wrench into the notch and press the wrench with an appropriate force, as shown in Figure 5-21. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 62: Connecting Communications Cables
Figure 5-22 Communication mode for a single SUN2000  Figure 5-23 shows the communication mode for multiple SUN2000s. If multiple SUN2000s are used, connect all the SUN2000s in daisy chain mode over an RS485 communications cable. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 63 Disable.  MBUS communication is set to Enable by default.  You can set a single SUN2000 over the SUN2000 app or set multiple SUN2000s in batches over the SmartLogger. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 64: Connecting Rs485 Communications Cables
Terminal Block Functions Figure 5-24 shows an RS485 terminal block. Figure 5-24 Terminal block Table 5-4 describes functions of the RS485 terminal block. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 65 Step 4 Remove the terminal base from the terminal block. Step 5 Connect communications cables to the terminal base. Figure 5-26 Connecting cables to a terminal base (1) RS485A IN (2) RS485A OUT (3) RS485B IN (4) RS485B OUT Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 66 When connecting the shielded cables, choose whether to crimp the OT terminal based on site requirements. Figure 5-27 Connecting communications cables Step 7 Bind communications cables after connecting them. Figure 5-28 Binding communications cables Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 67 Green White-and-brown Brown Connecting a Cable to the RJ45 Network Port Step 1 Insert the wires of the network cable to the RJ45 connector in sequence, as shown in Figure 5-30. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 68 Step 4 Route the cables through the locking caps and then the COM1 port at the SUN2000 bottom. Step 5 Insert the RJ45 connector into the RJ45 network port in the SUN2000 maintenance compartment. Figure 5-31 Connecting communications cables Step 6 Bind communications cables after connecting them. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 69: Closing The Maintenance Compartment Door
N•m. ----End Follow-up Procedure Check that the cables are connected correctly and securely. Then seal the connectors. 5.6 Closing the Maintenance Compartment Door Procedure Step 1 Install the AC terminal cover. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 70 Figure 5-34 Adjusting a support bar Step 3 Close the maintenance compartment door. Tighten the two screws on the maintenance compartment door using a security torx wrench to a torque of 5 N· m. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 71  If the floating nut used for securing the maintenance compartment door is missing, use the standby floating nut shown in Figure 5-36. Figure 5-36 Removing a standby floating nut ----End Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 72: System Commissioning
Before turning on the AC switch between the inverter and the power grid, use a multimeter to check that the AC voltage is within the specified range. Procedure Step 1 Turn on the AC switch between the inverter and the power grid. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 73 SUN2000 and the app.  The Android system supports the Bluetooth module USB-Adapter2000-B and BF4030.  The iOS system supports the Bluetooth module USB-Adapter2000-B. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 74 (C) Mobile phone Use the USB data cable delivered with the mobile phone. The port type of the USB data cable connected to the SUN2000 is USB 2.0. Figure 6-3 Login screen Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 76 After you select Use by default for this USB accessory, the message will not appear if you connect the app to the inverter again without removing the USB data cable. Step 5 Switch the user type (common user, advanced user, and special user) by tapping the user name bar. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 77 Settings screen. By default, the inverter can be grid-tied and you do not have to set parameters.  You are advised to log in to the Quick Settings screen as an advanced user for parameter settings. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 78 RS485 route must be within the address range set on the SmartLogger and cannot be duplicate. Otherwise, the communication will fail. In addition, the baud rates of all the inverters on each RS485 route must be consistent with the SmartLogger baud rate. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 79: Powering Off The Sun2000
SmartLogger2000 User Manual, or iManager NetEco 1000S User Manual. Step 2 Turn off the AC switch between the SUN2000 and the power grid. Step 3 Set the two DC switches to OFF. ----End Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 80: Man-Machine Interactions
Step 2 Import the boot script file to a PC. (Optional) The boot script file can be opened as a .txt file, as shown in Figure 7-1. Figure 7-1 Boot script file Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 81 Step 5 Insert the USB flash drive into a computer and check the exported data. When the configuration export is complete, the boot script file and exported file are in the root directory of the USB flash drive. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 82: Importing Configurations
Blinking green at short intervals (on An operation with a USB for 0.125s and then off for 0.125s) flash drive has failed. An operation with a USB Steady green flash drive is successful. ----End Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 83: Exporting Data
After the data is exported, the boot script file and exported file are in the root directory of the USB flash drive. ----End 7.1.4 Upgrading Procedure Step 1 Obtain the required upgrade package from Huawei technical support website (for example, SUN2000 V200R002C00SPCXXX). Step 2 Decompress the upgrade package. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 84 There is no operation with a USB flash drive. Blinking green at long intervals (on There is an operation with for 1s and then off for 1s) a USB flash drive. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 85: Operations With A Smartlogger
7.3 Operations with the NMS For operations with the NMS, see the iManager NetEco 1000S User Manual. 7.4 Operations with the SUN2000 APP For operations with the SUN2000 APP, see the SUN2000 APP User Manual. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 86: Maintenance
Once six months status damaged or deformed.  Check that the running sound of the inverter is normal.  When the inverter is running, check that all inverter parameters are correctly set. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 87: Troubleshooting
 Minor: Some components are faulty without affecting the grid-tied power generation.  Warning: The inverter works properly. The output power decreases or some authorization functions fail due to external factors. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 88 The PV array is not properly configured. Excessive PV modules are connected in series to PV strings 7 and 8, and therefore the PV string open-circuit voltage exceeds the maximum operating voltage of the SUN2000. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 89 Cause ID = 2 end voltage is lower than that of other PV strings. Check whether the number of PV modules connected in series to the SUN2000 is small. If yes, increase the number. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 91  Cause ID = 20 The inverter output is short-circuited. As a result, the output current surges to a value above the upper limit, and the inverter protection is triggered. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 92 Check the impedance of output phase wire A (cause ID = 31)/B (cause ID = 32)/C (cause ID = 33) to the PE cable and locate the position with lower impedance and resolve the issue. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 93 2. If the alarm occurs repeatedly or persists, SUN2000 is running, which check whether the impedance between the causes an excessively high PV string and the ground is excessively residual current. low. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 94 Check whether you have performed a Version software upgrade recently. If yes, upgrade the During inverter software Unmatch software to the correct version again. upgrade, the version of the software loaded is incorrect. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 95  The flash memory has bad sectors. If you cannot rectify faults with the measures listed in the preceding table, contact Huawei technical support. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 96: Handling The Sun2000
If the original packing materials are not available, put the SUN2000 inside a suitable cardboard box and seal it properly. 9.3 Disposing of the SUN2000 If the SUN2000 service life expires, dispose of it according to the local disposal rules for electrical equipment waste. Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 97: Technical Specifications
200 V/250 V Maximum operating voltage 1000 V MPPT voltage range 200–1000 V Full power MPPT voltage range 625–850 V Rated input voltage 750 V Number of inputs Number of MPP trackers Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 98 Type II AC surge protection Type II DC insulation resistance detection Supported Residual current monitoring unit (RCMU) Supported Communication Item SUN2000-43KTL-IN-C1 Display LED, Bluetooth module+app, USB data cable+app RS485 Supported Supported Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.
Page 99 –25° C to +60° C Operating temperature Cooling mode Natural convection Highest altitude 4000 m Humidity 0%–100% RH Input terminal Amphenol Helios H4 Output terminal Waterproof cable connector+OT terminal Ingress Protection Rating IP65 Topology Transformerless Issue 07 (2018-05-06) Copyright © Huawei Technologies Co., Ltd.

Huawei SUN2000-43KTL-IN-C1 User Manual

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