3
|
Components
Service manual
138
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
V
W
U
c
Wire terminal U
V
Wire terminal V
W
Wire terminal W
7
Install the compressor insulation.
8
Turn ON the power using the respective circuit breaker.
9
Start the unit operation via the user interface.
10
Wait for – or create condition to operate the compressor.
11
Once the compressor operates, measure the U-V-W inverter voltages. All
measurements MUST be the same.
Inverter voltage measurements are
correct?
Action
Yes
Continue with the next step.
No
Perform a check of the appropriate PCB,
see
86].
12
Measure the current in each phase U, V and W while compressor is operating.
All measurements MUST be the same.
Compressor motor winding current
measurements are correct?
Action
Yes
Perform an insulation check of the
compressor, see
No
Preventively replace the compressor,
see
To perform an insulation check of the compressor
Prerequisite:
First perform an electrical check of the compressor, see
134].
Prerequisite:
Stop the unit operation via the user interface.
1
Turn OFF the respective circuit breaker.
DANGER: RISK OF ELECTROCUTION
Confirm the rectifier voltage is below 10 V DC before proceeding, see
285].
2
Remove the cover of the compressor wire terminals.
Содержание ALTHERMA
Страница 357: ...11 11 ...
Страница 358: ......
Страница 359: ......
Страница 360: ...ESIE20 06A 2021 03 Copyright 2021 Daikin Verantwortung für Energie und Umwelt ...