Huawei SUN2000-50KTL-ZHM3 Quick Start Manual
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Summary of Contents for Huawei SUN2000-50KTL-ZHM3
- Page 1 SUN2000-(50KTL-ZHM3, 50KTL-M3) Quick Guide Issue: 05 Part Number: 31500HTB Date: 2023-05-30 HUAWEI TECHNOLOGIES CO., LTD.
- Page 2 The product warranty does not cover equipment damage caused by failure to follow the storage, transportation, installation, and usage guidelines specified in this document and the user manual. Log in to the technical support website (https://support.huawei.com/enterprise) to view the user manual and safety precautions. •...
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Page 3: Installation Requirements
(1) LED indicators (2) Host panel (3) Screws for fixing the awning (4) Communications port (COM) (5) Hole for the DC switch locking screw (6) DC switch (DC SWITCH) (7) Smart Dongle port (4G/WLAN-FE) (8) DC input terminals (PV1–PV8) (9) Ventilation valves (10) AC output port (11) Ground point (12) Fan... - Page 4 • For models used in Australia, install the DC switch locking screw according to local standards. The DC switch locking screw is delivered with the solar inverter to prevent the solar inverter from being started by mistake. • Before installing the mounting bracket, remove the security Torx wrench and set it aside. Position for binding the security Torx wrench (Optional) Installing the DC...
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Page 5: Connecting Cables
2. Install the solar inverter onto the 3. Tighten the security Torx screws on both mounting bracket. sides. Secure the screws on the sides before connecting cables. Connecting Cables Preparations • Do not connect loads between the inverter and the AC switch that directly connects to the inverter. -
Page 6: Installing The Ac Output Power Cable
No. Cable Type Specifications Single-core outdoor copper- PE cable Conductor cross-sectional area ≥ 16 mm core cable • Conductor cross-sectional area: 25–50 AC output power Outdoor copper- outdoor copper-core cable or 35– cable core/aluminum-core cable 50 mm outdoor aluminum-core cable •... - Page 7 1. Remove the AC terminal box and install partition boards. 2. Connect the AC output power cable (using a five-core cable as an example). • To avoid damaging the rubber liner, do not route a cable with a crimped OT terminal directly through it.
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Page 8: Installing Dc Input Power Cables
Installing DC Input Power Cables When the DC input is not fully configured, the DC input terminals must meet the following requirements: • Evenly distribute DC input power cables to the four MPPTs. MPPT 1 and MPPT 4 are preferred. Maximize the number of connected MPPTs. - Page 9 • Before installing DC input power cables, label the cable polarities to ensure correct cable connections. • If a DC input power cable is reversely connected and the DC switch is turned on, do not operate on the DC switch or the positive/negative connectors immediately. Otherwise, the device may be damaged.
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Page 10: Installing The Signal Cable
Installing the Signal Cable • When laying out the signal cable, separate it from the power cable and keep it away from strong interference sources to avoid strong communication interference. • Ensure that the protective layer of the cable is inside the connector, that excess core wires are cut off from the protection layer, that the exposed core wire is totally inserted into the cable hole, and that the cable is connected securely. - Page 11 Scenarios Where No Signal Cable Is Connected If no signal cable is required for the SUN2000, use waterproof plugs to block the wiring holes on the signal cable connector and connect the signal cable connector to the communications port on the SUN2000 to improve the waterproof performance of the SUN2000. (Optional) Connecting the Signal Cable 1.
- Page 12 • Connect the RS485 communications cable to the solar inverter. If two or more solar inverters are cascaded, install the RS485 communications cable. • Connect the RS485 communications cable to the power meter. • Connect the power grid scheduling signal cable. •...
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Page 13: Verifying The Installation
2. Connect the signal cable connector to the communications port. Communications port (COM) Verifying the Installation Acceptance Criteria The solar inverter is installed correctly and securely. The cables are routed properly as required by the customer. The communications expansion module is installed correctly and securely. Cable ties are evenly distributed and no burr exists. -
Page 14: System Power-On
System Power-On Before turning on the AC switch between the solar inverter and the power grid, check that the AC voltage is within the specified range using a multimeter set to the AC position. 1. Turn on the AC switch between the solar inverter and the power grid. 2. -
Page 15: System Commissioning
SUN2000 app can be used for commissioning. • Access the Huawei app store (http://appstore.huawei.com), search for FusionSolar or SUN2000, and download the app installation package. You can also scan the QR codes below to download the apps. - Page 16 Scenario in Which Solar Inverters Are Connected to the FusionSolar Smart PV Management System 1. (Optional) Register an installer account. If you already have an installer account, skip this step. • Create the first installer account will generate a domain named after the company. •...
- Page 17 2. Create a PV plant and a plant owner. In the quick settings for • SUN2000-50KTL-M3, the grid code is N/A by default (automatic startup is not supported). Set the grid code based on the area where the PV plant is located. For details, see the •...
- Page 18 FAQ: How Do I Reset the Password? 1. Check that the AC and DC power supplies to the solar inverter are connected simultaneously, and that the indicators are steady green or blink slowly for more than 3 minutes. 2. Turn off the AC switch, set the DC switch at the bottom of the solar inverter to OFF, and wait until all indicators on the solar inverter panel turn off.
- Page 19 Huawei Technologies Co., Ltd. Huawei Industrial Base, Bantian, Longgang Shenzhen 518129 People's Republic of China e.huawei.com...