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7.3 De-installing the inverter
De-install the inverter according to the following steps when the service
time is due or for other reasons:
1.) Turn off the AC breaker, and use Padlocks if provided.
2.) Turn off the DC breaker, and use Padlocks if provided.
(Skip the two steps if there are no circuit breakers.)
3.)
Switch the DC switch to “OFF” position.
4.) Wait for 5 minutes to ensure the internal capacitors have been completely
discharged.
5.) Measure the AC output cable terminal voltage against the ground, and
make sure the voltage is 0V.
6.)
Disconnect the AC and PE cables referring to “3.3.2 AC and ground
connection”.
7.)
Disconnect the DC cables referring to “3.3.1 DC connection”.
8.) Take out the communication card, and disconnect the communication
cables referring to
“3.3.3 Communication connection”.
9.) De-
install the inverter using reverse of installation steps referring to “3.2
Mechanical installation”.
DANGER:
Please disconnect the electrical connection in strict accordance with
the following steps. Otherwise, the inverter will be damaged and the
service personnel’s life will be endangered.
