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Components
Service manual
177
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
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
Power module V1R for compressor
2
Disconnect the compressor wires (screw connections) from the main PCB.
3
Check the power module V1R in reference with the image and the table
below.
d
e
c
b
a
a
U
b
V
c
W
d
C+
e
C-
INFORMATION
When measuring on the front of the main PCB, make sure to locally remove the
protective varnish with the test leads of the multi meter.
VDC
Com
Ref
VDC
Com
Ref
U
C+
0.424 V
C+
U
O.L
V
C+
0.424 V
C+
V
O.L
W
C+
0.424 V
C+
W
O.L
C-
U
0.424 V
U
C-
O.L
C-
V
0.424 V
V
C-
O.L
C-
W
0.424 V
W
C-
O.L
Summary of Contents for ALTHERMA
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