Related Manuals for Huawei MERC-1100W-P
Summary of Contents for Huawei MERC-1100W-P
- Page 1 MERC-(1300W, 1100W)-P Smart PV Optimizer Quick Guide Issue: 03 Part Number: 31500HND Date: 2022-11-30 HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
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Page 2: Product Overview
Type II apparatus Burn warning Electric shock EU waste electrical and electronic Refer to (enhanced insulation) warning equipment (WEEE) mark documentation Installing the Device Installation Requirements Clearance PV modules Copyright © Huawei Digital Power Technologies Co., Ltd. 2022. All rights reserved. - Page 3 1. If optimizers and PV modules are installed close to the rooftop (for example, color steel tile rooftop), ensure that the optimizers are well ventilated. It is recommended that the ambient temperature be less than or equal to 70℃. If the ambient temperature exceeds 70℃, the optimizers may shut down for overtemperature protection.
- Page 4 Installing the Optimizer 1. Select optimizers based on the installation scenario. Properly plan the installation position of optimizers to ensure that the cables between the optimizer and the PV module and between adjacent optimizers can be properly connected, and the maximum communication distance between the optimizer and the solar inverter is within 350 m.
- Page 5 T-shaped bolt and nut. The T-shaped bolt and nut need to be purchased separately from Huawei. The bolt dimensions are as follows. PV module M8x20 bolt assembly Installed on a PV Module Frame –...
- Page 6 Installing the Optimizer Cables Ensure that the input (IN) and output (OUT) cables of the optimizer are correctly connected. If they are reversely connected, the device may be damaged. 1. Connect the optimizer 2. Connect the positive probe of the multimeter to the positive input (IN) cable to output terminal of the optimizer and the negative probe to the the PV module...
- Page 7 Voltage Cause Suggestion 1. Check whether the PV string is open- The PV string is open-circuited. The PV string The cables are not connected to the circuited. voltage is 0. same PV string. 2. Identify the string cables correctly. The PV string The probes are reversely connected.
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Page 8: Power-On Commissioning
Troubleshooting 1. Open the FusionSolar app, log in to intl.fusionsolar.huawei.com using the installer account, choose Me > Device commissioning, and connect to the WLAN hotspot of the solar inverter. - Page 9 Alarm Cause Suggestion Optimizer input Check whether the open-circuit voltage of the PV module Input overvoltage overvoltage exceeds the maximum input voltage of the optimizer. occurred. 1. Check the ventilation and ambient temperature at the The optimizer optimizer installation position. If the ventilation is poor internal Overtemperature or the ambient temperature exceeds the upper...
- Page 10 Replacing an Optimizer 1. Power off the solar inverter and remove the faulty optimizer. 2. Install a new optimizer and correctly connect its cables. 3. Power on the solar inverter. Log in to the FusionSolar app and tap the plant name on the Home screen to access the plant screen.
- Page 11 Carefully read this document prior to installation to get familiar with product information and safety precautions. Huawei shall not be liable for any consequence caused by violation of the storage, installation, and operation regulations specified in this document and the solar inverter user manual.
- Page 12 Huawei Digital Power Technologies Co., Ltd. Huawei Digital Power Antuoshan Headquarters, Futian Shenzhen 518043, People's Republic of China solar.huawei.com...