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3
|
Components
3.2.2 Repair procedures
To remove the compressor
Service manual
58
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?
Yes
No
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
"4.2.2 Repair
procedures" [
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.
V
U
W
Action
Compressor is OK. Return to
troubleshooting of the specific error
and continue with the next procedure.
Replace the compressor, see
"3.2.2 Repair
4
134].
4
procedures" [
58].
4
"3.10 Plate
work" [
100].
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01D – 2022.02
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Troubleshooting
