3
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Components
Service manual
111
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
a
A
b
A
Floor standing indoor unit
a
Black wire
b
White wire
Is the measured voltage on the indoor
unit power PCB correct?
Action
Yes
Return to
110] of the indoor unit
power PCB and continue with the next
procedure.
No
Continue with the next step.
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 power PCB, see
115].
No
See "To check the power supply to the
indoor unit" (
203]) for the next steps.
To perform an electrical check of the indoor unit power PCB
Prerequisite:
First perform a power check of the indoor unit power PCB, see
1
Measure the voltage between the pins 1‑4 of the connector S102.
Result:
The measured voltage MUST be 324 VDC.
Содержание Perfera ARXM R Series
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