3
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Components
Service manual
98
(A)(F)TXF20~71A + FTXF20~25B + (A)(F)TXF20~42C + (A)(F)TXF20~42D +
(A)(F)TXF20~42E + (A)RXF20~71A + RXF20~60B + (A)RXF20~42C +
(A)RXF20~42D + (A)RXF20~42E
Split Sensira R32
ESIE18-12G – 2023.01
To perform a power module check
Prerequisite:
First check the rectifier voltage of the main PCB, see
89].
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 from the main PCB.
2
Check the power module IPM1 in reference with the image and the table
below.
e
d
a
b
c
A
A
(A)RXF20~35A + RXF20+25B + (A)RXF20~42C + (A)RXF42D units
a
U
b
V
c
W
d
DC+
e
DC–
Содержание Split Sensira R32
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