4
|
Components
Service manual
131
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
VDC
Com
Ref
VDC
Com
Ref
c
a
0.51~0.52 V
a
c
O.L
4
If the diode module is NOT OK, replace the main PCB, see
132].
To perform a power module check
Prerequisite:
First check the rectifier voltage of the main PCB, see
126].
Prerequisite:
Stop the unit operation via the user interface.
1
Turn OFF the respective circuit breaker.
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.
Power module IPM1 for compressor
1
Disconnect the compressor connector.
2
Check the power module IPM1 in reference with the image and the table
below.
c b a d
e
a
U
b
V
c
W
d
DC+
e
DC–
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
DC+
0.501 V
DC+
U
O.L
Summary of Contents for RXTA30B2V1B
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