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Components
Service manual
89
RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02
b
a
c
a
Expansion valve coil
b
Pipe retention clip
c
Pipe
2
Route the expansion valve coil harness towards the appropriate PCB.
3
Connect the expansion valve coil connector to the appropriate PCB.
WARNING
When reconnecting a connector to the PCB, make sure to connect it on the correct
location and do NOT apply force, as this may damage the connector or connector
pins of the PCB.
4
Fix the expansion valve coil harness using new tie straps.
5
Install the insulation cap on the expansion valve coil (if applicable).
Is the problem solved?
Action
Yes
No further actions required.
No
Return to
valve and continue with the next
procedure.
4.6 High pressure switch
4.6.1 Checking procedures
To perform an electrical check of the high pressure switch
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
Recuperate the refrigerant from the refrigerant circuit, see
212].
2
Fill the refrigerant circuit with nitrogen until pressurized just below operating
pressure of the high pressure switch.