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Components
Service manual
56
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
V
U
W
U
Wire terminal U
V
Wire terminal V
W
Wire terminal W
4
Set the Megger voltage to 500 V DC or 1000 V DC.
5
Measure the insulation resistance between the following terminals. The
measured insulation resistance MUST be >3 MΩ.
▪
U–ground,
▪
V–ground,
▪
W–ground.
Compressor insulation measurements
are correct?
Action
Yes
Compressor is OK. Return to
troubleshooting of the specific error
and continue with the next procedure.
No
Replace the compressor, see
3.2.2 Repair procedures
To remove the compressor
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
Prerequisite:
Remove the compressor insulation.
Prerequisite:
Recuperate the refrigerant from the refrigerant circuit, see
124].
1
If needed, remove any parts to create more space for the removal of the
compressor.
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.