4
|
Components
Service manual
85
RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02
Is the flow through the expansion valve
correct?
Action
Yes
Component is OK. Return to the
troubleshooting of the specific error
and continue with the next step.
No
Replace the expansion valve, see
85].
Problem solved?
After all checking procedures listed above have been performed:
Is the problem solved?
Action
Yes
No further actions required.
No
Return to the troubleshooting of the
specific error and continue with the
next procedure.
4.5.2 Repair procedures
To remove the expansion valve coil
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
If needed, remove any parts or insulation to create more space for the
removal.
2
Pull up the expansion valve coil to remove it from the expansion valve body.
INFORMATION
It may be needed to turn the expansion valve coil 1/8 turn counter clockwise to
unlock it. Make sure to note the correct orientation (position) of the expansion valve
coil before removal.
a
b
A
A
Class 20~35 unit
a
Expansion valve coil
b
Expansion valve coil harness
