4
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Components
Service manual
62
RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02
To perform an insulation check of the compressor
Prerequisite:
First perform an electrical check of the compressor, see
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
1
Wait until the rectifier voltage is below 10 V DC.
DANGER: RISK OF ELECTROCUTION
Wait for at least 10 minutes after the circuit breaker has been turned OFF, to be sure
the rectifier voltage is below 10 V DC before proceeding.
2
Remove the cover of the compressor wire terminals.
a
A
A
Class 20~35 unit
a
Compressor wire terminals cover
a
A
A
Class 42~71 unit
a
Compressor wire terminals cover
3
Disconnect the Faston connectors from the compressor wire terminals U, V
and W.