Huawei MERC-1300W-P User Manual page 20

MERC Smart PV Optimizer
User Manual
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Procedure
Step 1 Put on the protective gloves.
Step 2 Power off the inverter.
Step 3 Disconnect the input terminals of the optimizer.
Step 4 Remove the old optimizer.
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2.
Step 5 Install a new optimizer.
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2.
Step 6 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. Choose Devices > Inverter, tap
Optimizer Search, and perform operations as prompted to search for optimizers.
Step 7 Choose Devices > Connected devices > Optimizer, tap Optimizer No., select the
faulty optimizer, tap Device Replacement, and replace the optimizer as prompted.
Issue 02 (2022-09-20)
A new smart PV optimizer is available.
Record the cable connection positions on the optimizer and disconnect the
cables.
Loosen the bolt that secures the optimizer and remove the optimizer.
Secure the new optimizer to the corresponding bolt and tighten the bolt.
Connect the cables to the new optimizer based on the recorded information.
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If multiple optimizers need to be replaced, record the optimizer numbers.
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N optimizers need to be replaced, perform the preceding procedure for N times.
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● After the optimizer is replaced, the new optimizer automatically inherits the energy
yield, physical layout, and logical layout of the faulty optimizer.
Copyright © Huawei Digital Power Technologies Co., Ltd.
3 System Maintenance
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