Huawei SUN2000-330KTL-H1 User Manual

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SUN2000-(330KTL-H1, 330KTL-H2)

User Manual

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Draft A

Date

2022-08-30

HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SUN2000-330KTL-H1

Page 1 SUN2000-(330KTL-H1, 330KTL-H2) User Manual Issue Draft A Date 2022-08-30 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 SUN2000-330KTL-H1 and SUN2000-330KTL-H2 (also referred to as SUN2000) in terms of installation, 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 NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration. Change History Issue Date Description Draft A 2022-08-30 This issue is used for first office application (FOA). Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 5: Table Of Contents
5.3 Crimping an OT or DT Terminal............................38 5.4 Installing PE Cables and AC Power Cables........................41 5.5 Installing DC Power Cables............................... 46 5.6 Installing Communications Cables..........................50 6 Power-On Commissioning....................52 Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 6 9.1 Removing the SUN2000..............................79 9.2 Packing the SUN2000................................79 9.3 Disposing of the SUN2000..............................79 10 Technical Specifications.....................80 A Domain Name List of Management Systems..............83 B Contact Information......................84 C Acronyms and Abbreviations....................86 Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 7: Safety Information
Failure to follow the operation instructions or safety precautions on the product or in this document ● Unauthorized modifications to the product or software code or removal of the product Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 8: Personal Safety
The insulation and voltage resistance must comply with local laws and regulations and IEC 62477-1/-2 or GB 311. WARNING During operations, wear personal protective equipment such as protective clothing, insulated shoes, goggles, safety helmets, and insulated gloves. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 9 ● Only authorized professionals are allowed to replace the equipment or components (including software). ● Only personnel who need to work on the equipment are allowed to access the equipment. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 10: Electrical Safety
When using a wrench to tighten the screws, ensure that the wrench does not tilt and the torque error does not exceed 10% of the speciff i ed value. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 11 Ensure that all cables are properly connected and insulated, and meet specifications. ● Ensure that the slots and holes for routing cables are free from sharp edges, and that the positions where cables are routed through pipes or cable holes Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 13 When installing the equipment, ensure that the installation surface is solid enough to bear the weight of the equipment. ● After installing the equipment, remove the packing materials such as cartons, foam, plastics, and cable ties from the equipment area. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 15 If a single ladder is used, the recommended angle for the ladder against the floor is 75 degrees, as shown in the following figure. A square can be used to measure the angle. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 16 Do not drag steel ropes and hoisting tools or bump the hoisted objects against hard objects during hoisting. ● Ensure that the angle between two hoisting ropes is no more than 90 degrees, as shown in the following figure. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 17 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 Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 18: Overview
H1/H2: product series with the 1500 V DC input voltage Model Identification You can obtain the inverter model from the model label on the external package and the nameplate on the side of the enclosure. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 19: Product Introduction
(4) Step-up transformer (5) Power grid NO TE Connect the SUN2000 to a dedicated power transformer instead of a low-voltage overhead power cable. Power Grid Type The SUN2000 supports IT power grids Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 20: Enclosure Labels
15 minutes for the SUN2000 to discharge to the safe voltage. Refer to Reminds operators to refer to the documentation documents delivered with the SUN2000. Grounding Indicates the position for connecting the ground cable. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 21: Component Description
SUN2000 ESN label Indicates the SUN2000 serial number. Weight label The SUN2000 needs to be carried by four persons or using a forklift. 2.4 Component Description Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 22: Product Appearance
(12) DC input terminal group 2 (PV15–PV28, controlled by DC SWITCH 2) (13) DC switch 2 (DC SWITCH 2) (14) Tracking system power cable hole (15) AC output power cable holes Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 23 2 Overview Dimensions Figure 2-6 Dimensions Wiring Area Figure 2-7 Wiring ports (1) DC input terminals (2) RS485 communications port (3) Ground point on the enclosure (4) AC terminal block Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 25 A minor alarm was generated. A warning alarm was generated. Local maintenance The local maintenance is successful. state Local maintenance failed. The device is under local maintenance or shut down after receiving a command. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 26: Working Principles
The DC power is converted into three-phase AC power through an inverter circuit. Surge protection is supported on both the DC and AC sides. Figure 2-8 Schematic diagram 2.5.2 Working Modes The SUN2000 can work in Standby, Operating, or Shutdown mode. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
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 that the fault is rectified. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 28: Storage
● Do not tilt the package or place it upside down. ● To avoid personal injury or device damage, stack inverters with caution to prevent them from falling over. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 29 Figure 3-2 Maximum number of pile-up layers allowed ● If the solar inverter has been stored for more than two years, it must be checked and tested by professionals before being put into use. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 30: Installation
Packing List in the packing case. For details about the number of contents, see the 4.2 Preparing Tools Table 4-1 Personal protective equipment (PPE) Safety helmet Goggles Protective shoes Reflective vest Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 31 Phillips insulated Insulated torque Torx key insulated torque torque socket wrench screwdriver screwdriver (M4/M10/M12, (M3) (M3/M4) including an extended socket) Hammer drill Hammer drill bit Utility knife Marker (Ф14 mm) Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 32 Hydraulic pliers Crimping plier Removal wrench Heat gun H4STC0001 or H4TW0001 CT75A-FJB10 Table 4-5 Measurement instruments Clamp meter Steel measuring Level Multimeter tape DC voltage measurement range ≥ 1500 V Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 33: Determining The Installation Position
You are advised to install the inverter in a sheltered place or install an awning over it. ● The inverter will be corroded in salt areas. Before installing the inverter outdoors in salt areas, consult Huawei. A salt area refers to the region within Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 34 Do not install the SUN2000 at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Figure 4-1 Installation angle Clearance Reserve sufficient clearance around the SUN2000 for installation and heat dissipation. Figure 4-2 Clearance Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 35 Figure 4-3 Horizontal installation mode (recommended) Figure 4-4 Triangle installation mode (not recommended) (1) Air baffle Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 36: Installing The Mounting Bracket
● M12x40 bolt assemblies are delivered with the SUN2000 and bound to the mounting bracket. If the bolt length does not meet the installation requirements, prepare M12 bolt assemblies by yourself and use them together with the delivered M12 nuts. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 37: Installing The Sun2000
● When you need to temporally place the SUN2000 on the ground, use foam, paper, or other protection material to prevent damage to its enclosure. Figure 4-8 Moving a SUN2000 Step 2 Secure the SUN2000. Figure 4-9 Securing a SUN2000 Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 38 SUN2000-(330KTL-H1, 330KTL-H2) User Manual 4 Installation NO TE If the installation position is high, you can hoist the SUN2000. Figure 4-10 Hoisting ----End Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 39: Installing Cables
5.2 Preparing Cables The SUN2000 supports RS485 communication and MBUS communication. In the networking diagram, indicates the power cable, indicates the power flow direction, and indicate the signal flow. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 40 (F) SmartLogger (G) Management system Figure 5-2 RS485 networking application (A) PV strings (B) SUN2000s (C) AC combiner box (D) Transformer station (E) Power grid (F) SmartLogger (G) Management system Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 41 Table 5-1 Component description Component Description Source PV string ● A PV string consists of PV modules connected in Prepared by series. customer ● The SUN2000 supports 28 PV string inputs. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 42 ● 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. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 43 ● Copper cable: 14–40 mm Prepared by power cable Single-core outdoor – S: 150–400 (single-core) cable and M12 OT/DT customer terminal ● Aluminum alloy cable or copper-clad aluminum cable: – S: 150–400 Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 44: Crimping An Ot Or Dt Terminal
If a copper-clad aluminum cable is used, use copper wiring terminals. ● If an aluminum alloy cable is used, use copper-to-aluminum wiring terminals, or aluminum wiring terminals with copper-to-aluminum washers. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 45 ● Ensure that the aluminum side of the washer contacts the aluminum wiring terminal, and the copper side contacts the terminal block. Figure 5-4 Requirements for OT/DT terminals Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 46 ● Use a heat gun carefully to avoid heat damage to the equipment. Figure 5-5 Crimping an OT terminal (1) Cable (2) Core (3) Heat-shrink tubing (4) OT terminal (5) Hydraulic pliers (6) Heat gun Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 47: Installing Pe Cables And Ac Power Cables
The SUN2000 is integrated with a comprehensive residual current detection unit to distinguish fault current from residual current. Upon detecting that the residual current exceeds the threshold, the SUN2000 immediately disconnects from the power grid. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 48 ● If an AC switch is used with specifications beyond local standards, regulations, or Huawei's recommendations, the switch may fail to turn off in a timely manner in case of exceptions, causing serious faults. ● Do not open the panel of the SUN2000.
Page 49 Step 2 Open the maintenance compartment door and install the support strut. Remove the accessories and set them aside. Figure 5-8 Opening a maintenance compartment door Step 3 Connect the AC output power cables based on the cable type. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 50 Reserve sufficient slack for the PE cable to ensure that the last cable bearing the force is the PE cable when the AC output power cable is subject to a pulling force due to force majeure. Figure 5-10 Single-core cable connection Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 51 ● Keep flammable materials away from cables. ● Cables must be protected with a conduit to prevent short circuits caused by insulation layer damage. Figure 5-12 Connecting a power cable of the tracking system Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 52: Installing Dc Power Cables
● The polarities of electric connections are correct on the DC input side. The positive and negative terminals of a PV string connect to corresponding positive and negative DC input terminals of the SUN2000. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 53 The SUN2000 provides 28 DC input terminals, which are controlled by its two DC switches. DC SWITCH 1 controls the DC input terminals PV1–14 and DC SWITCH 2 controls the DC input terminals PV15–28. Figure 5-14 DC terminals controlled by DC SWITCH 1 Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 54 PV17, PV19–PV22, and PV24–PV27. PV24–PV27. Connect to PV1–PV13, Connect to PV1–PV17, PV15–PV17, PV19– PV19–PV22, and PV24– PV22, and PV24–PV27. PV27. Connect to PV1–PV17, Connect to PV1–PV22 PV19–PV22, and PV24– and PV24–PV28. PV28. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 55 ● Ensure that the connectors are properly connected. If any connector damage due to improper connection is not covered by the warranty. Step 1 Connect DC input power cables. Figure 5-16 Connecting DC input power cables Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 56: Installing Communications Cables
RS485B OUT, differential signal– RS485 differential signal– PE, shield layer PE, shield layer grounding grounding RS485-2 RS485A, RS485 RS485B, RS485 Used to connect an differential signal+ differential signal– RS485 slave device. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 57 Step 1 Connect the RS485 communications cables. Figure 5-18 Connecting communications cables NO TICE Use a plug to block the unused cable hole with the waterproof rubber ring, and then tighten the locking cap. ----End Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 58: Power-On Commissioning
DC power cables are connected correctly and securely. Unused port ● Unused DC terminals are sealed with sealing plugs. ● Unused COM and USB ports are plugged with waterproof plugs. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 59: System Power-On
If the PV connection indicator is off 1 minute after the SUN2000 is powered on, do not turn on the DC SWITCH. At the same time, turn off MAIN SWITCH immediately and check whether the input power cables are reversely connected or Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 60 Step 6 Set the parameters over the app or SmartLogger. For details, see 7.1 Operations with the App or the SmartLogger user manual. Figure 6-1 Power-on ----End Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 61: Man-Machine Interactions
● The USB 2.0 port is supported. Use the USB data cable delivered with the phone. ● The mobile phone operating system must be Android 4.0 or later. ● Huawei and Samsung phones are recommended. Issue Draft A Copyright © Huawei Technologies Co., Ltd.
Page 62: Downloading And Installing The App
● The parameter names, value ranges, and default values are subject to change. 7.1.2 Downloading and Installing the App ● FusionSolar app: Access Huawei AppGallery, search for FusionSolar (https:// appgallery.huawei.com/app/C102851109), or scan the QR code below. ● SUN2000 app: Access Huawei AppGallery, search for SUN2000 (https:// appgallery.huawei.com/app/C10279542) or scan the QR code below...
Page 63: Logging In To The App
Open the app and select a connection mode. NO TE ● Obtain the app of the latest version from Huawei AppGallery. ● When the WLAN connection is used, scan the QR code of the WLAN module to access the login screen.
Page 64 SUN2000-(330KTL-H1, 330KTL-H2) User Manual 7 Man-Machine Interactions Figure 7-4 Selecting a connection mode (Internet access available) Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 65 SUN2000 app and access the operation screen to select a connection mode. Figure 7-6 Selecting a connection mode Select a login user and enter the login password to access the quick settings screen or the main menu screen. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 66: Upgrading The Sun2000 Using A Usb Flash Drive
Quick Settings screen. Figure 7-7 Login 7.2 Upgrading the SUN2000 Using a USB Flash Drive USB flash drives of SanDisk, Netac, and Kingston are recommended. Other brands may be incompatible. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 67 After the restart, the indicator is blinking green slowly for 1 minute and then it becomes steady green, which indicates that the upgrade is successful. ----End Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 68: Maintenance
Step 3 Set the two DC SWITCH to OFF. ----End 8.2 Power-Off for Maintenance Context To prevent personal injury and equipment damage, perform the following procedure to power off the SUN2000 for troubleshooting or replacement. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 69 ● If the SUN2000 does not emit abnormal smell or smoke and is intact, repair or restart it based on the alarm handling suggestions. Do not stand in front of the SUN2000 during the restart. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 70: Routine Maintenance
If necessary, months remove the baffle of the air intake vent and clean the dust. The fans do not produce abnormal Once every 6 to 12 sounds during operation. months Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 71 Figure 8-2 Removing the baffle of the air intake vent NO TICE After the cleaning is complete, reinstall the baffle plate. Tighten the M4 screws with a torque of 1.2 N·m. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 72: Replacing A Fan
Place down the handle. Unscrew the connectors. Disconnect the cables. Pull out the fan tray. Figure 8-3 Pulling out the fan tray Step 2 Remove the cable ties from the faulty fan. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 73 (4) Remove cable ties from FAN 4. Step 3 Remove the faulty fan. Figure 8-5 Removing a fan (using FAN 1 as an example) Step 4 Install a new fan. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 74 Clean the fan tray and ensure that no foreign matter is left. Align the fan tray with the installation position. Push in the fan tray until the fan baffle plate is flush with the SUN2000 enclosure. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 75: Troubleshooting
Minor alarm: Some components of the inverter are faulty but the inverter can still connect to the grid and generate power. ● Warning: The inverter works properly. The output power decreases or some authorization functions fail due to external factors. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 76 1. Turn on the MAIN SWITCH manually. 2. Turn on all DC SWITCH manually. 3. Turn off the MAIN SWITCH manually. 4. If the fault persists, contact your dealer or technical support. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 78 PE, locate the position with The phase wire is short- Short- low impedance, and rectify the fault. circuited to PE or its Circuited impedance to PE is low. to PE Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 79 3. Check whether the peak voltage of the power grid is too high. If the fault occurs frequently and persists for a long time, contact the local power operator. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 80 If not, contact the local power operator. If yes, modify the power grid overfrequency protection threshold after obtaining the consent of the local power operator. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 81 The DC component in the After the fault is rectified, the AC current exceeds the Overhig device automatically recovers. upper threshold. 2. If the alarm occurs frequently, contact your dealer or technical support. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 82 Cause ID = 1–4, 7 1. Perform an upgrade again. Failed or The upgrade ends 2. If the upgrade fails for multiple Version abnormally. times, contact your dealer or Mismatc technical support. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 83 ON position, press the reset buttons of all DC switches inwards until they cannot go further, and then turn on the DC switches again. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 84 ● The flash memory is Faulty AC and DC switches. If the fault insufficient. persists, replace the monitoring board ● The flash memory has or contact your dealer or technical bad sectors. support. Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 85: Handling The Inverter
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 Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 86: Technical Specifications
500 V/550 V voltage/startup voltage MPP voltage range 500–1500 V Rated input voltage 1080 V Number of inputs Number of MPPTs Output Item SUN2000-330KTL-H1 SUN2000-330KTL-H2 Rated output power 300 kW 275 kW Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 87 Input reverse connection Supported protection PV string fault detection Supported DC surge protection Type II AC surge protection Type II Insulation resistance Supported detection Residual current Supported monitoring unit (RCMU) Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 88 5000 m (derated when the altitude is greater than altitude 4000 m) Relative humidity 0%–100% RH Input terminal HH4SFD4TMS/HH4SMD4TMS Output terminal Waterproof terminal+OT/DT terminal IP rating IP66 Self power consumption 4.8 W at night (sleep mode) Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 89: A Domain Name List Of Management Systems
The list is subject to change. Table A-1 Domain names of management systems Domain Name Data Type Scenario intl.fusionsolar.huawei.co Public IP address FusionSolar hosting cloud NOTE The domain name is compatible with cn.fusionsolar.huawei.com (Chinese mainland). Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 90: B Contact Information
Asia- Australia eu_inverter_support@huaw 1800046639 Pacific ei.com Turkey eu_inverter_support@huaw ei.com Malaysia apsupport@huawei.com 0080021686868 /1800220036 Thailand (+66) 26542662 (local rate call) 1800290055 (free in Thailand) China solarservice@huawei.com 400-822-9999 Other apsupport@huawei.com 0060-3-21686868 countries Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 91 Saudi Arabia 8001161177 Pakistan 0092512800019 Morocco 0800009900 Other 0020235353900 countries NO TE EU Representative Information: Huawei Technologies Hungary Kft. Add.: HU-1133 Budapest, Váci út 116-118., 1. Building, 6. floor. Email: hungary.reception@huawei.com Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)
Page 92: C Acronyms And Abbreviations
C Acronyms and Abbreviations Acronyms and Abbreviations light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic RCMU residual current monitoring unit Issue Draft A Copyright © Huawei Technologies Co., Ltd. (2022-08-30)

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