3
|
Components
Service manual
63
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01D – 2022.02
a
a
Compressor wire terminals cover
12
Install the compressor insulation, see
58].
13
Perform a pressure test, see
130].
14
Add
refrigerant
to
the
refrigerant
circuit,
see
134].
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.
3.3 Expansion valve
3.3.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To perform a mechanical check of the expansion valve
Prerequisite:
Power OFF the unit for 3 minutes. Then turn ON the unit and listen to
the expansion valve assembly. If the expansion valve does NOT make a latching
sound, continue with the electrical check of the expansion valve, see
63].
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
Remove the expansion valve insulation (if applicable) and visually check:
▪
For oil drops around the expansion valve. Locate and fix as necessary.
▪
Pipes for signs of damage. Replace pipes as needed.
▪
Coil wires for signs of damage. Replace expansion valve coil as needed. See
2
Remove the expansion valve coil from the expansion valve body, see
67].
Summary of Contents for Comfora XP Series
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