H1 Series
5.9 Ground Connection
After penetrating the external hex head screw through OT terminal of the
grounding line, screw in the grounding port of enclosure of the inverter in
clockwise direction and make sure it is screwed up tightly.
5.19 Inverter ground protection
5.10 External AC Circuit Breaker and Residual Current
Device
Please install a circuit breaker to ensure the inverter is able to disconnect
from grid safely. The inverter is integrated with a RCMU, however, an
external RCD is needed to protect the system from tripping, either type A or
type B RCD are compatible with the inverter.
The integrated leakage current detector of inverter is able to detect the real
time external current leakage. When a leakage current detected exceeds
the limitation, the inverter will be disconnected from grid quickly, if an
external residual current device is connected, the action current should be
30mA or higher.
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