Repair Procedures - Daikin RXM20R Service Manual

4.2.2 Repair procedures

To remove the compressor insulation
RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02
INFORMATION
Note the position of the Faston connectors on the compressor wire terminals to
allow correct connection during installation.
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
1 Detach all the strings.
V U
W
Action
Compressor is OK. Return to
troubleshooting of the specific error
and continue with the next procedure.
Replace the compressor, see
"4.2.2 Repair procedures" [
"4.14 Plate
4 Components
|
4
63].
4
work" [ 153].
Service manual
63