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3
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Components
Service manual
59
(A)(F)TXF20~71A + FTXF20~25B + (A)(F)TXF20~42C + (A)(F)TXF20~42D +
(A)(F)TXF20~42E + (A)RXF20~71A + RXF20~60B + (A)RXF20~42C +
(A)RXF20~42D + (A)RXF20~42E
Split Sensira R32
ESIE18-12G – 2023.01
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
59].
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
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.