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Components
Service manual
98
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
3
Check the power supply to the indoor unit, see
Is the power supply to the indoor unit
correct?
Action
Yes
Correct the wiring between the power
supply terminal of the indoor unit and
the indoor unit PCB, see
No
See "To check the power supply to the
indoor unit" (
FTXTA-B and FTXTM-R units
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
144].
1
Turn ON the power of the unit.
2
Measure the voltage between the pins 1‑4 of the connector S300A on the
indoor unit main PCB.
Result:
The measured voltage MUST be 324 V DC.
Summary of Contents for RXTA30B2V1B
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