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User Manual
V1.0-2023-10-30
6�6 Connecting the AC Cable
Do not connect loads between the inverter and the AC switch directly connected to the inverter.
The residual current monitoring unit (RCMU) is integrated into the inverter to avoid the residual
current exceeds the limit.
The type A RCD can be connected to the inverter for protection according to the local laws and
regulations. Recommended specifications: ON-GRID RCD: 300mA; BACK-UP RCD: 30mA.
•
Install one AC output circuit breaker for each inverter. Multiple inverters cannot share one AC
circuit breaker.
•
An AC circuit breaker shall be installed on the AC side to make sure that the inverter can safely
disconnect the grid when an exception happens. Select the appropriate AC circuit breaker in
compliance with local laws and regulations.
•
Connect the AC cables to the corresponding terminals such as "L1", "L2", "L3", "N", and PE
correctly. Otherwise it will cause damage to the inverter.
•
Ensure that the whole cable cores are inserted into the terminal holes. No part of the cable core
can be exposed.
•
Ensure that the insulation board is inserted into the AC terminal tightly.
•
Ensure that the cables are connected securely. Otherwise it will cause damage to the inverter
due to overheat during its operation.
WARNING
NOTICE
WARNING
41
06
Electrical Connection
BACK-UP
ON-GRID
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