Daikin Altherma 3 M - Page 139

3 | Components
Service manual
139
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
a
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.
VW
U
c 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
"3.7.2Repair procedures"[4140].