Sungrow PVS-18RM - Power Up;Down; Power Up Procedure; Power Down Procedure

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6 Power Up/Down
6.1 Power up
Step 1 Close the output pre-switch of the combiner box.
Step 2 Use a multimeter to measure the positive and negative polarity of each
input in the combiner box to ensure that the voltage is basically the same,
and there is no reverse polarity.
Step 3 Close the post-switch on DC side of the inverter.
Step 4 Lock the door and pull out the key.
6.2 Power down
Step 1 Disconnect the p-switch on DC side of the inverter.
Step 2 Disconnect the output post-switch of the combiner box.
Step 3 Lock the door and pull out the key.