System Installation Determining the Installation Position Installation dimensions Chassis dimensions Determining the Installation Mode NOTE It is recommended that the inverter be installed vertically or with a back tilt of no more than 15 degrees for optimal heat dissipation conditions. Installed on a Common Support Vertical Back tilt...
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Installed on a Tilted Support Back tilt Front tilt Horizontal Upside down Installing an Inverter Installed on a Common Support 1. Determine the hole positions on the support 2. Drill holes. based on rear panel dimensions. 4. Mount the inverter on the rear panel. 3.
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5. Tighten hexagon bolts. 6. (Optional) Install an anti-theft lock. NOTE The anti-theft lock is prepared by the customer. Installed on a Wall 1. Determine the positions for drilling holes on the wall according to the rear panel dimensions. 2. Drill holes and install expansion sleeves for expansion bolts.
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3. Secure the rear panel. 4. Mount the inverter on the rear panel. M12 (3 PCS) 45 N· m 5. Tighten hexagon bolts. 6. (Optional) Install an anti-theft lock. NOTE The anti-theft lock is prepared by the customer. Installed on a Tilted Support 1.
2. Secure the tilted support mounting kit to the inverter. 3. Secure the inverter to the tilted support. M6 (8 PCS) 4 N· m M8 (4 PCS) 8 N· m 4. (Optional) Secure the auxiliary screws to the inverter. 5. (Optional) Install an anti-theft lock. M6 (2 PCS) 4 N·...
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2. Open the maintenance compartment door and adjust the support bar. 3. Remove the AC terminal cover and set it aside. 4. Install ground cables. Ground Point Ground Point Meaning Connection Screw Model Connect either of the two ground PV side ground points points for PV side grounding.
NOTE 1. Select ground points for PV side grounding and protective grounding based on the principle of easy operation. 2. It is recommended that 8 AWG outdoor copper-core cables be used as ground cables. Ground cables must be securely connected. 3.
5. Connect the SUN2000 AC output power cables to the AC terminal block one by one. Three-phase, four-wire output Three-phase, three-wire output M6 (4 PCS) M6 (3 PCS) 5 N· m 5 N· m NOTE Adjust the sequence of installing AC output power cables based on site requirements. NOTICE 1.
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WARNING Ensure that the PV string is well insulated to the ground. Before inserting the positive and negative connectors respectively into the positive and negative DC input terminals of the inverter, check that the DC voltage does not exceed 1000 V using a multimeter.
Selecting a Communication Mode Communication Mode Model Remarks RS485 Communication Communication 1. Only one communications mode can be selected in practice. SUN2000- 2. If PLC is used, do not connect the 25KTL/30KTL-US Supported Supported RS485 communications cable. (with PLC) 3. If RS485 is used, do not connect the PLC CCO module to the AC power cable.
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3. Bind the RS485 communications cables. 2. Connect the RS485 communications cables. NOTICE 1. Route the communications cables through the COM1 and COM2 holes at the bottom of the inverter. 2. Connect the input end to terminals 5 and 7 on the terminal block, and connect the output end to terminals 6 and 8 on the terminal block.
2. Connect the RS485 communications cables. 3. Bind the RS485 communications cables. 4. Secure the cable routing pipe. NOTICE 1. Route the network cables into the COM1 hole at the bottom of the inverter. 2. Insert the connectors into the RS485 IN and RS485 OUT ports in the maintenance compartment of the inverter.
System Power-on NOTICE Before switching on the AC circuit breaker between the inverter and the power grid, use a multimeter to check that the AC voltage is within the specified range. 1. Switch on the AC circuit breaker between the inverter and the power grid. 2.
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2. At present, the SUN2000 can connect to the app only over a USB data cable. 3. Mobile operating system: Android 4.0 or later. 4. Access the Huawei app store (http://appstore.huawei.com) or Google Play (https://play.google.com), search for SUN2000, and download the SUN2000 APP software package.
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NOTICE Quick settings Function menu 1. The password is the password used for logging in to the SUN2000 to which the app is connected. This password is used only when the SUN2000 is connected to the app. 2. The initial password for Common User, Advanced User, and Special User is 00000a.
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Why the DC Switch Is Designed with a Hole? The DC switch is designed with a hole for safety purposes. When maintenance needs to be performed on the inverter, the DC switch must be turned off. To prevent misoperations of turning on the DC switch, the switch must be locked.
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Huawei App Store Apple Store Google Play Scan here for more documents: Support WeChat You can also log in to Huawei technical support website: http://support.huawei.com Huawei Technologies Co., Ltd. Huawei Industrial Base, Bantian, Longgang Shenzhen 518129 People's Republic of China www.huawei.com...