Huawei SUN2000-50K-MGL0 User Manual

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SUN2000-(50K, 75K, 80K, 150K)-MG Series

User Manual

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2024-08-20

HUAWEI TECHNOLOGIES CO., LTD.

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Page 1 SUN2000-(50K, 75K, 80K, 150K)-MG Series User Manual Issue Date 2024-08-20 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
Indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury. Indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 4: Change History
Updated 5.2 Preparing Cables. Updated 10 Technical Specifications. Updated A Grid Codes. Issue 06 (2024-05-20) Updated 5.5 Connecting DC Input Power Cables. Issue 05 (2024-03-20) Updated 1.3 Environment Requirements. Updated Model. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 5 Updated 5.4 Connecting an AC Output Power Cable. Updated 5.5 Connecting DC Input Power Cables. Updated 9 Alarm Reference. Issue 01 (2023-11-24) This issue is used for first office application (FOA). Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 6: Table Of Contents
4.6 Installing the Inverter on a Support..........................37 4.7 Installing the Inverter on a Wall............................38 4.8 Installing the SUN2000 on a Pole Clamp........................40 5 Electrical Connections......................41 5.1 Precautions....................................41 Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 7 C Setting the Current Threshold for Triggering RCD Protection.........132 D Crimping an OT or DT Terminal..................134 E Baud Rate Negotiation...................... 137 F Contact Information......................139 G Digital Power Customer Service..................141 H Acronyms and Abbreviations...................142 Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 8: 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 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 9: 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 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 10: General Requirements
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 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 11: 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 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 12 If the equipment has multiple inputs, disconnect all the inputs before operating the equipment. ● Before maintaining a downstream electrical or power distribution device, turn off the output switch on the power supply equipment. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 13: Cabling Requirements
If the external conditions (such as the cable layout or ambient temperature) change, verify the cable usage in accordance with the IEC-60364-5-52 or local laws and regulations. For example, check that the current-carrying capacity meets requirements. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 14: Environment Requirements
● Keep the installation and operating environments of the equipment within the allowed ranges. Otherwise, its performance and safety will be compromised. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 15 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 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 16: Mechanical Safety
If two persons or more move a heavy object together, ensure that the object is lifted and landed simultaneously and moved at a uniform pace under the supervision of one person. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 17: Using Ladders
Ensure that the ladder is securely positioned and held firm. ● When climbing up the ladder, keep your body stable and your center of gravity between the side rails, and do not overreach to the sides. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 18 During hoisting, do not stand or walk under the crane or the hoisted objects. ● Do not drag steel ropes and hoisting tools or bump the hoisted objects against hard objects during hoisting. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 19: Drilling Holes
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 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 20: Overview
The SUN2000-80K-MGL0, SUN2000-75K-MGL0-BR, SUN2000-50K-MGL0-BR, and SUN2000-50K-MGL0 support only the power grid with the line voltage of 220 V. Figure 2-1 Model number Table 2-1 Model description Meaning Description Product family SUN2000: grid-tied solar inverter identifier Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 21: Networking Application
SmartLogger, and a maximum of 10 SUN2000s can be cascaded to the Dongle. ● The RS485 communication distance between the SUN2000 at the end and the SmartLogger must be less than or equal to 1000 m. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 22 (F) Management system (G) SmartLogger Figure 2-3 RS485 networking application (Dongle) (A) PV strings (B) SUN2000s (C) AC combiner box (D) Power meter (E) Power grid (F) Management system (G) Dongle Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 23 AC power cables, contact local technical support. Figure 2-4 MBUS networking application (SmartLogger) (A) PV strings (B) SUN2000s (C) AC combiner box (D) Power meter (E) Isolation transformer (F) Power grid (G) Management system (H) SmartLogger Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 24: Earthing Systems
(E) Isolation transformer (F) Power grid (G) Management system (H) Dongle 2.2.2 Earthing Systems Earthing Systems The SUN2000 supports the TN-S, TN-C, TN-C-S, TT, and IT earthing systems. Figure 2-6 Earthing systems Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 25: Appearance
Steady green At least one PV string is properly connected, and connection the DC input voltage of the corresponding MPPT indicator circuit is greater than or equal to the minimum startup voltage. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 26 Blinking red A minor alarm was generated. fast Blinking red A warning alarm was generated. slowly Local Steady green The local maintenance is successful. maintenance Blinking The local maintenance failed. green fast Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 27 After the fault is rectified, wait for at least 3 minutes, turn the switch handle to OFF to complete the reset, and then turn it on. For details, see Resetting and Turning On the DC SWITCH. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 28: Circuit Diagram
MPPT circuits inside the SUN2000 to track the maximum power point of the PV strings. 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 2-9 Circuit diagram Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 29: Working Modes
● If the SUN2000 detects a fault or a shutdown command, it enters the Shutdown mode. ● The SUN2000 enters Standby mode after detecting that the PV string output power is not suitable for connecting to the power grid for generating power. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 30: Label Description
Losses caused by operations that do not comply with the requirements of site selection, storage, or mounting specified in the user manual are not covered under the warranty. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 31: Smart I-V Curve Diagnosis
Switch" in the user manual, or contact after-sales service personnel. 2.7 Smart I-V Curve Diagnosis The SUN2000 supports the Smart I-V Curve Diagnosis. For details, see iMaster NetEco V600R023C00 Smart I-V Curve Diagnosis User Manual. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 32: Inverter Storage
● Do not tilt a packing case or place it upside down. ● To avoid personal injury or device damage, stack inverters with caution to prevent them from falling over. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 33 If an inverter has not been running for six months or longer after being mounted, it may have failed and must be checked and tested by professionals before being put into operation. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 34: Installation
M12 bolt assemblies and install them together with the M12 nuts delivered with the product. Pole-clamp Depending on the pole clamp Prepared by the customer mounting 4.2 Installation Requirements Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 35: Site Selection Requirements
If the inverter is installed in an enclosed environment, the heat dissipation equipment or ventilation equipment shall be installed. The indoor ambient temperature must not be higher than the outdoor ambient temperature. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 36: Clearance Requirements
4.2.2 Clearance Requirements Dimensions Figure 4-1 Dimensions Installation Clearance Requirements Reserve sufficient clearance around the SUN2000 for installation and heat dissipation. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 37 Stacked installation is not recommended. Figure 4-3 Horizontal installation mode (recommended) Figure 4-4 Triangle installation mode (recommended) Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 38: Angle Requirements
Install the inverter vertically or at a maximum back tilt of 75 degrees to facilitate heat dissipation. ● Do not install the inverter at forward tilted, excessive back tilted, side tilted, horizontal, or upside down positions. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 39: Preparing Tools
Figure 4-7 Installation angle 4.3 Preparing Tools Category Tool Installation Hammer drill Drill bit (Ф14 Insulated torque Phillips insulated mm and Ф16 socket wrench torque (including an screwdriver extension bar ≥ 50 mm) Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 40 (AMPHENOL) or CT75A-FJB10 CT75A-FJB7 (AVIC JONHON) (AVIC JONHON) RJ45 crimping Vacuum cleaner Multimeter (DC Marker tool voltage measurement range ≥ 1100 V Steel measuring Level Hydraulic pliers Heat shrink tape tubing Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 41: Checking Before Installation
You are advised to remove the packing materials within 24 hours before installing the inverter. Package Contents NO TICE ● After placing the equipment in the installation position, unpack it with care to prevent scratches. Keep the equipment stable during unpacking. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 43 (C) Moving the (D) Mounting the inverter handles inverter inverter Figure 4-9 Lifting positions NO TE If the installation position is high, you can hoist the inverter. Figure 4-10 Hoisting ----End Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 44: Installing The Inverter On A Support
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. Figure 4-12 Installing the mounting bracket Step 3 Secure the inverter. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 45: Installing The Inverter On A Wall
Avoid drilling holes into the water pipes or power cables buried in the wall. Figure 4-14 Expansion bolt structure (1) Bolt (2) Nut (3) Spring washer (4) Flat washer (5) Expansion sleeve Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 46 Otherwise, the mounting bracket will not be securely installed on the concrete wall. Figure 4-15 Installing an expansion bolt Step 3 Secure the inverter. Figure 4-16 Securing the inverter ----End Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 47: Installing The Sun2000 On A Pole Clamp
SUN2000-(50K, 75K, 80K, 150K)-MG Series User Manual 4 Installation 4.8 Installing the SUN2000 on a Pole Clamp Figure 4-17 Pole-clamp installation (1) Square bolt clamp (2) Inverter mounting beam (3) Vertical pole Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 48: Electrical Connections
CA UTION ● Stay away from the equipment when preparing cables to prevent cable scraps from entering the equipment. Cable scraps may cause sparks and result in personal injury and equipment damage. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 49: Preparing Cables
Implements power control at the grid Purchased from Power meter connection point in low voltage the Company scenarios using a power meter. Recommended power meter models: DTSU666-HW, YDS60-80, DHSU1079- ZT, and DTSU71C Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 50 ● Select cables in compliance 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 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 51 PE cable copper cable and M10 by the OT/DT terminal customer DC input PV cable that meets the 5.5–9 mm Prepared 4–6 mm power cable 1100 V standard by the customer Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 53: Connecting A Pe Cable
● Ensure that the PE cable is securely connected. Otherwise, electric shocks may occur. ● Do not connect the neutral wire to the enclosure as a PE cable. Otherwise, electric shocks may occur. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 54: Connecting An Ac Output Power Cable
The inverter 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 inverter immediately disconnects from the power grid. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 55 AC power cable. If the cross-sectional area of the PE cable meets the requirements, select either PE point on the enclosure or in the maintenance compartment for connecting the PE cable. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 56 Step 1 Open the maintenance compartment door and install the door stopper. Figure 5-4 Opening a maintenance compartment door Step 2 Connect the AC output power cables based on the cable type. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 57 Figure 5-5 Specifications of the crimped OT/DT terminal Figure 5-6 Cable connection (A) Single-core cable (B) Four-core cable (including (C) Five-core cable the neutral wire) (D) Three-core cable (E) Four-core cable (including the PE wire) Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 58 NO TICE If a multi-core cable is used, it is recommended that the stripping length of the L2 wire be 15 mm shorter than those of the L1 and L3 wires. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 59 Step 3 Clear foreign matter from the maintenance compartment, close the maintenance compartment door, and check that the cable holes at the bottom of the maintenance compartment are sealed. Figure 5-9 Closing a door ----End Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 60: Connecting Dc Input Power Cables
The resulting device damage is not covered under any warranty. CA UTION Take waterproof and insulation measures for unused DC power cables to avoid personal injury or property loss caused by accidental contact with high voltage or other reasons. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 61: Terminal Description
If the DC input terminals are not fully configured with PV strings, evenly distribute the DC input PV strings on each MPPT. For 8 to 20 PV strings, the following DC input terminals are recommended. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 62 ● The quantities of PV strings under DC SWITCH 1 and DC SWITCH 2 shall be the same if possible. Quanti Terminal Selection Quanti Terminal Selection ty of ty of Strings Strings PV1/3/4/9/10/13/18/21 PV1/3/4/9/10/13/18/19/21 PV1/3/4/6/9/10/13/18/19/21 PV1/3/4/6/9/10/13/16/18/19/21 PV1/3/4/6/8/9/10/13/16/18/19/21 PV1/3/4/6/8/9/10/13/15/16/18/19/21 PV1/3/4/6/8/9/10/12/13/15/16/18/19 PV1/2/3/4/6/8/9/10/12/13/15/16/18/ 19/21 Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 63 PV strings along the axial direction to check whether the connectors are securely installed. ● Ensure that the connectors are properly connected. Any connector damage due to improper connection is not covered under any warranty. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 64 You can prepare a tool to connect all PV– cables together using a conversion adapter and measure the ground insulation resistance of all PV– cables of an inverter at a time. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 65 When installing DC input power cables, leave at least 150 mm of slack. The axial tension on PV connectors must not exceed 80 N. Radial stress or torque must not be generated on PV connectors. Figure 5-14 DC input power cabling requirement Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 66 SUN2000-(50K, 75K, 80K, 150K)-MG Series User Manual 5 Electrical Connections Figure 5-15 Connecting DC input power cables (AVIC JONHON) Terminal Type Inverter Model AVIC JONHON SUN2000-150K-MG0-ZH Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 67 Step 3 Use sealing plugs with snap-fits to seal the DC input terminals that are not connected to PV strings. Device damage caused by the absence of sealing plugs is not covered by warranty. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 68: Connecting Signal Cables
RS485A IN, RS485 RS485A OUT, Used to cascade differential signal+ RS485 differential inverters or connect signal+ devices such as the SmartLogger. RS485B IN, RS485 RS485B OUT, differential signal– RS485 differential signal– Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 69 RS485B, RS485 Connect to the differential signal+ differential signal– RS485 signal port of devices such as a power meter. Procedure Step 1 Connect the RS485 communications cables. Figure 5-19 Connecting communications cables Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 70: Optional) Installing The Smart Dongle
● When removing the SIM card, push it inward to eject it. ● When reinstalling the enclosure of the Smart Dongle, ensure that the snap- fits click into place. Figure 5-20 Installing the 4G Smart Dongle (SDongleB-06) Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 71 WLAN-FE Smart Dongle (FE communication) Figure 5-22 Installing the WLAN-FE Smart Dongle (SDongleA-05 for the FE communication scenario) NO TICE Install the network cable before installing the Smart Dongle on the inverter. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 72 ● For details about how to use the 4G Smart Dongle SDongleB-06, see SDongleB-06 Smart Dongle Quick Guide (4G). You can scan the QR code below to obtain the guide. The quick guide is delivered with the Smart Dongle. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 73: Checking Before Power-On
Unused terminal and port Unused terminals and ports are locked by waterproof glands. Installation environment The installation space is proper, and the installation environment is clean and tidy. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 74: Power-On And Commissioning
DC switch. Otherwise, the inverter may be damaged because insulation resistance detection is not performed. You must power off the inverter first, and then turn on the DC switch and restart the inverter. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 75 Step 4 Check the status of the PV connection indicator. When the PV connection indicator is steady green, set DC SWITCH 2 to ON. Step 5 Observe the LED indicators to check the status of the inverter. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 77 Blinking fast (on The parameters for for 0.2s and then accessing the router have off for 0.2s) not been set. Steady on Abnorma Replace the Smart Dongle because it has an internal fault. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 78 Green The indicator Normal The dial-up connection is in blinks at an progress for less than 1 interval of 2s, on minute. for 0.1s and then off for 1.9s. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 79 0.2s) in poor contact. Check whether the SIM card has been installed or is in good contact. If not, install the SIM card, or remove and insert the SIM card. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 80: Commissioning Methods And Process
Smart Dongle is faulty or the USB port of the inverter is faulty. ----End 7.2 Commissioning Methods and Process The inverter can be commissioned on the SmartLogger WebUI or FusionSolar app. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 81: Commissioning The Sun2000 (Using The Smartlogger)
Figure 7-2 Commissioning process on the FusionSolar app 7.3 Commissioning the SUN2000 (Using the SmartLogger) 7.3.1 Preparations and SmartLogger WebUI Login For details about preparations and WebUI login, see SmartLogger3000 User Manual. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 82: Software Upgrade
Manual. 7.3.3 Commissioning Using the Deployment Wizard Procedure Step 1 Set basic parameters. Figure 7-3 Setting basic parameters Step 2 Connect to Huawei devices. ● For RS485 communication, click Search for Device. The address is automatically allocated. ● For MBUS communication, click Choose File or SN List to add the SN of a device.
Page 83 7 Power-On and Commissioning Figure 7-5 Connecting to power meters Step 5 Connect to EMIs. Figure 7-6 Connecting to EMIs Step 6 Connect to a Huawei network management system (NMS). Set related parameters by referring to "Setting Parameters for Connecting to the Management System"...
Page 84 Step 8 Connect to third-party devices. Set related parameters by referring to "Setting Custom Device Parameters" in SmartLogger3000 User Manual . Figure 7-9 Connecting to third-party devices Step 9 Click Finish to complete the configuration. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 85: Parameters Settings
Downloading and Installing the App in the FusionSolar App User Manual. 7.4.2 Registering an Installer Account For details, see Registering the Company's First Installer Account in the FusionSolar App User Manual. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 86: Deploying A New Plant
SUN2000-(50K, 75K, 80K, 150K)-MG Series User Manual 7 Power-On and Commissioning 7.4.3 Deploying a New Plant For details, see FusionSolar App Quick Guide. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 87: System Maintenance
● Do not open the maintenance compartment door on rainy or snowy days. If you need to, take protective measures to prevent rain or snow from entering the maintenance compartment. If protective measures cannot be taken, do not open the maintenance compartment door. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 88 Company's service months status or deformed. engineers. ● Check whether the inverter generates abnormal sounds during operation. ● Check whether all inverter parameters are correctly set during operation. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 89: Shutdown And Power-Off
After the system is powered off, the inverter is still energized and hot, which may cause electric shocks or burns. Therefore, wait for at least 15 minutes and wear PPE before working on the inverter. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 90: Power-Off For Maintenance
If PV strings have no current, go to the next step. ● If a PV string has current, wait until the solar irradiance decreases and the PV string has no current at night, and then go to the next step. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 91: Replacing A Fan
● Before replacing a fan, power off the inverter. ● When replacing a fan, use insulated tools and wear PPE. NO TE If the fan gets stuck when being pulled or pushed, slightly lift it. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 92 Figure 8-4 Pulling out the fan tray (2) Step 4 Remove the cable ties from the faulty fan. ● FAN 1 is faulty. Figure 8-5 Removing cable ties from FAN 1 ● FAN 2 is faulty. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 93 Figure 8-9 Installing a fan Step 7 Bind the fan cables. ● Binding positions for FAN 1 Figure 8-10 Binding the cables of FAN 1 ● Binding positions for FAN 2 Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 94 Step 9 Connect the cables correctly according to the cable labels and bind the cables. Figure 8-14 Binding cables Step 10 Push in the fan tray completely and tighten the screws. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 95: Resetting And Turning On The Dc Switch
Alarm Details screen of the Low insulation resistance alarm on the FusionSolar app. Log in to the FusionSolar app, choose Alarm > Active alarm, and choose Low insulation resistance to enter the Alarm Details screen. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 96 MPPTn PV String MPPT1 PV1 to PV3 MPPT2 PV4 to PV6 MPPT3 PV7 to PV9 MPPT4 PV10 to PV12 MPPT5 PV13 to PV15 MPPT6 PV16 to PV18 MPPT7 PV19 to PV21 Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 97 PV strings one by one. Then, go to Step – If the Low insulation resistance alarm is still reported 1 minute after the DC side is powered on, choose Maintenance > Inverter ON/OFF on the Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 98 Step 7 Set the DC SWITCH to ON. If the inverter status is Shutdown: Command, choose Maintenance > Inverter ON/OFF on the home screen and send a startup command. ----End Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 99: Alarm Reference
SUN2000-(50K, 75K, 80K, 150K)-MG Series User Manual 9 Alarm Reference Alarm Reference For details about alarms, see Inverter Alarm Reference. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 100: Technical Specifications
0K-MGL0 Maximum 1100 V 1100 V 750 V 750 V 750 V 750 V input voltage Operating 200–1000 V 200–1000 V 160–750 V 160–750 V 160–750 V 160–750 V voltage range Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 101 PV modules. It is recommended that the PV string voltage be higher than the lower threshold of the full-load MPPT voltage. Note: To ensure the optimal power generation of the system, the voltage difference between different MPPT circuits shall be less than 126 V. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 102 0.8 leading 0.8 leading 0.8 leading 0.8 leading 0.8 leading 0.8 leading factor to 0.8 to 0.8 to 0.8 to 0.8 to 0.8 to 0.8 lagging lagging lagging lagging lagging lagging Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 103 Supported Supported switch Anti- Supported Supported Supported Supported Supported Supported islanding protection Output Supported Supported Supported Supported Supported Supported overcurrent protection Input Supported Supported Supported Supported Supported Supported reverse connection protection Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 104: Display And Communication
Supported Supported AC MBUS Supported Supported supported supported supported supported Optimizer supported supported supported supported supported supported Note a: The inverter with the part number 01076909 does not support AC MBUS. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 105 OT/DT OT/DT OT/DT OT/DT terminal terminal terminal terminal terminal terminal IP rating IP66 IP66 IP66 IP66 IP66 IP66 Topology Transformer Transformer Transformer Transformer Transformer Transformer less less less less less less Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 106: Grid Codes
Others NB/T China Suppor Suppor 32004 low- voltage power grid Custo Reserv Suppor Suppor m (50 Custo Reserv Suppor Suppor m (60 CHINA China Suppor mediu MV480 voltage standa power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 107 UTE C France Suppor 15-712 mainla -1(A) power grid UTE C France Suppor 15-712 island -1(B) power grid UTE C France Suppor 15-712 island -1(C) power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 108 GR(B) grid BDEW- Germa Suppor mediu voltage power grid G59- Englan Suppor Englan d 230 power grid (I > 16 G59- Scotlan Suppor Scotlan d 240 power grid (I > 16 Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 109 EN504 Czech Suppor 38-CZ Republ power grid RD169 Spain Suppor 9/661 low- voltage power grid RD169 Spain Suppor 9/661- mediu MV480 voltage power grid EN504 Nether Suppor 38-NL lands power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 110 IEC617 Suppor 61727 low- voltage grid- connec tion CEI0-1 Italy Suppor power grid TAI- Thailan Suppor d grid- connec tion standa TAI- Thailan Suppor d grid- connec tion standa Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 111 Custo Reserv Suppor MV480 Custo Reserv Suppor MV480 G59- UK 480 Suppor Englan mediu MV480 voltage grid connec tion (I > 16 IEC617 Suppor 61727 MV480 mediu voltage grid- connec tion Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 112 (PEA) TAI- Thailan Suppor MEA- MV480 mediu voltage grid- connec tion (MEA) EN504 Denma Suppor 38-DK- MV480 mediu voltage grid- connec tion EN504 Türkiye Suppor 38-TR- mediu MV480 voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 113 Philippi Suppor low- voltage power grid Philippi Philippi Suppor nes- MV480 mediu voltage power grid AS477 Austral Suppor MV480 mediu voltage power grid NRS-0 South Suppor 97-2-1 Africa standa power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 114 Korea power grid IEC617 Suppor 27 (60 61727 low- voltage grid- connec tion IEC617 Suppor 27-60 61727 mediu MV480 voltage grid- connec tion ANRE Roman Suppor ia low- voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 115 Ireland Suppor 38_IE- mediu MV480 voltage power grid EN504 Ireland Suppor 38_IE low- voltage power grid CEI0-1 Italy Suppor mediu MV480 voltage power grid PO12.3 Spain Suppor low- voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 116 Egypt Egypt Suppor ETEC low- voltage power grid Egypt Egypt Suppor ETEC- mediu MV480 voltage power grid EN505 Ireland Suppor 49-LV power grid EN505 Ireland Suppor mediu MV480 voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 117 Brazil Suppor power 16149 grid ABNT Brazil Suppor mediu 16149- MV480 voltage power grid SA_RP South Suppor Africa low- voltage power grid SA_RP South Suppor Africa MV480 mediu voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 118 Chile Chile Suppor low- voltage power grid Chile- Chile Suppor MV480 mediu voltage power grid Mexico Mexico Suppor mediu MV480 voltage power grid Malays Malays Suppor ia low- voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 119 _ETHI low- OPIA voltage power grid Ethiopi power grid KENYA Kenya Suppor _ETHI low- OPIA- voltage MV480 power grid Ethiopi mediu voltage power grid NIGERI Nigeria Suppor low- voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 120 MV480 voltage power grid Northe Northe Suppor Ireland Ireland low- voltage power grid Northe Northe Suppor Ireland Ireland mediu MV480 voltage power grid Camer Camer Suppor low- voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 121 Jordan Jordan Suppor power Distrib distrib ution- ution MV480 networ mediu voltage power grid NAMIB Namibi Suppor IA_MV power grid LEBAN Lebano Suppor n low- voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 122 Jordan Suppor high- Transm voltage ission- power grid Jordan Jordan Suppor high- Transm voltage ission- power HV480 grid TUNISI Tunisia Suppor power grid TUNISI Tunisia Suppor mediu MV480 voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 123 Suppor MV480 Arabia power grid Ghana Ghana Suppor mediu MV480 voltage power grid Israel Israel Suppor power grid Israel- Israel Suppor MV480 power grid Chile- Chile Suppor PMGD PMGD power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 124 N4120 standa power grid VDE- Suppor 4120 N4120 standa HV480 power grid Vietna Vietna Suppor power grid Vietna Vietna Suppor MV480 power grid TAIPO Taiwan Suppor Power low- voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 125 OMAN Oman Suppor low- voltage power grid OMAN Oman Suppor mediu MV480 voltage power grid KUWAI Kuwait Suppor low- voltage power grid KUWAI Kuwait Suppor mediu MV480 voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 126 Net_Bil ling Billing power grid EN504 Nether Suppor 38-NL- lands MV480 mediu voltage power grid BAHRA Bahrai Suppor n low- voltage power grid BAHRA Bahrai Suppor MV480 mediu voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 127 EN504 Swede Suppor 38-SE n low- voltage power grid Pakista Pakista Suppor power grid Pakista Pakista Suppor MV480 mediu voltage power grid Austria Austria Suppor power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 128 G99- Suppor TYPEA- G99- TYPEA- power grid G99- Suppor TYPEB- G99- TYPEB- power grid G99- Suppor TYPEB- G99- TYPEB- power grid G99- Suppor TYPEB- G99- TYPEB- MV480 mediu voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 129 EN505 Ireland Suppor MV400 standa power grid VDE- Germa Suppor N4110 mediu voltage power grid (230 VDE- Germa Suppor N4110 mediu MV480 voltage standa power grid Spain Suppor power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 130 SINGA Singap Suppor PORE- MV480 mediu voltage power grid HONG Hong Suppor KONG Kong low- voltage power grid HONG Hong Suppor KONG- Kong MV480 mediu voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 131 Suppor dia- MV480 mediu voltage power grid EN505 Swede Suppor 49-SE n low- voltage power grid GREG0 Colom Suppor low- voltage power grid GREG0 Colom Suppor MV440 mediu voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 132 GAL- MV480 mediu voltage power grid AS477 Austral Suppor 7_ACT power grid AS477 Austral Suppor 7_NSW _ESS power grid AS477 Austral Suppor 7_NSW power grid AS477 Austral Suppor 7_QLD power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 133 DK1- LV230 DANM Denma Suppor ARK- EN505 power grid DK2- LV230 AUSTR Austral Suppor ALIA- AS477 power 7_A- grid LV230 AUSTR Austral Suppor ALIA- AS477 power 7_B- grid LV230 Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 134 Suppor Republ EN505 power LV230 grid CZECH Czech Suppor Republ EN505 power MV480 grid ISRAEL Israel Suppor mediu MV400 voltage 400 V power grid ANRE- Roman Suppor TYPEB power grid (type Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 135 MV400 AUSTRI Austria Suppor power TYPEB- grid MV480 CHINA China Suppor power GBT29 grid 319- MV480 CHINA China Suppor power GBT29 grid 319- LV220 IEEE IEEE Suppor 1547- 1547- MV480 MV480 Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 136 Suppor Suppor P140 P140-1 power 27/220 grid Philippi Philippi Suppor Suppor Suppor Suppor nes- LV220- low- 50Hz voltage power grid Philippi Philippi Suppor Suppor nes- LV220- low- 60Hz voltage power grid Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 137 SUN2000-(50K, 75K, 80K, 150K)-MG Series User Manual A Grid Codes NO TE The grid codes are subject to change. The listed codes are for reference only. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 138: Resetting A Password
10 minutes, all parameters of the inverter remain unchanged.) ----End NO TICE You are advised to reset the password in the morning or at night when the solar irradiance is low. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 139: C Setting The Current Threshold For Triggering Rcd Protection
Procedure Log in to the inverter local commissioning screen. Choose Settings > Feature parameters > Current Threshold for Triggering RCD Protection. Set Current Threshold for Triggering RCD Protection as required. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 141: D Crimping An Ot Or Dt Terminal
● If copper-aluminum transition spacers are used, pay attention to the front and rear sides. Ensure that the aluminum sides of spacers are in contact with aluminum wiring terminals, and copper sides of spacers are in contact with the AC terminal block. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 142 ● Wrap the wire crimping area with a heat shrink tubing or PVC insulation tape. The heat shrink tubing is used as an example. ● When using a heat gun, protect devices from being scorched. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 143 (4) OT terminal (5) Hydraulic pliers (6) Heat gun Figure D-3 Crimping a DT terminal (1) Core (2) Cable (3) Heat shrink tubing (4) DT terminal (5) Hydraulic pliers (6) Heat gun Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 144: E Baud Rate Negotiation
1. Use the FusionSolar app to locally inverter scan the QR code to connect to the Dongle. 2. Access the Communication configuration screen, choose RS485 > Baud Rate Negotiation, and tap 9600 and Negotiate a higher rate. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 145: Troubleshooting
Dongle does not support baud rate negotiation. In this case, you only need to tap 9600. 5. If the fault persists, contact your vendor. Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 146: Contact Information
To ensure faster and better services, we kindly request your assistance in providing the following information: ● Model ● Serial number (SN) ● Software version ● Alarm ID or name ● Brief description of the fault symptom Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 147 SUN2000-(50K, 75K, 80K, 150K)-MG Series User Manual F Contact Information 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 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 148: G Digital Power Customer Service
SUN2000-(50K, 75K, 80K, 150K)-MG Series User Manual G Digital Power Customer Service Digital Power Customer Service https://digitalpower.huawei.com/robotchat/ Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.
Page 149: Acronyms And Abbreviations
User Manual H Acronyms and Abbreviations Acronyms and Abbreviations AFCI arc-fault circuit interrupter light emitting diode MBUS monitoring bus maximum power point MPPT maximum power point tracking potential induced degradation photovoltaic Issue 08 (2024-08-20) Copyright © Huawei Technologies Co., Ltd.

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