Daikin FTXP20-71L Service Manual page 57

To perform an insulation check of the compressor
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01E – 2023.01
Compressor motor winding current
measurements are correct?
Yes
No
Prerequisite: First perform an electrical check of the compressor, see
"3.2.1 Checking procedures" [
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Before proceeding:
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 Compressor wire terminals cover
3 Disconnect the Faston connectors from the compressor wire terminals U, V
and W.
INFORMATION
Note the position of the Faston connectors on the compressor wire terminals to
allow correct connection during installation.
Action
Perform an insulation check of the
compressor, see
procedures" [
Preventively replace the compressor,
see "3.2.2 Repair
4
52].
a
3 Components
|
"3.2.1 Checking
4
52].
4
procedures" [ 58].
Service manual
57