Daikin Altherma 3 M - Page 206

3 | Components
Service manual
206
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
a
a
b
d
d
d
c
d
a Heat sink cover screw
b Heat sink cover
c Main PCB mounting plate
d Main PCB mounting plate fixation screw
4 Disconnect all connectors from the main PCB.
5 Cut all cable ties that fix cables to the main PCB mounting plate.
6 Remove all main PCB mounting plate fixation screws.
7 Pull the refrigerant pipe forward and slide the main PCB mounting plate
upwards so that the noise filter PCB on the back side is easily accessible.
CAUTION
The noise filter PCB is still connected. Do NOT completely remove the main PCB
mounting plate.
8 Turn ON the power of the unit.
9 Measure the voltage between the phases L1A‑L2A‑L3A on the noise filter PCB.
Result: All measurements MUST be 400VAC ± 10%.
10 Measure the voltage between each phase and NA on the noise filter PCB.
Result: The measured voltages MUST be 230VAC ± 10%.