High Pressure Switch; Checking Procedures - Daikin FTXP20-71L Service Manual

3 | Components

3.4 High pressure switch

3.4.1 Checking procedures

To perform an electrical check of the high pressure switch
Service manual
72
a c b
a Expansion valve coil
b Metal bracket
c Nipple
d Notch
e Expansion valve body
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?
Yes
No
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
4
procedures" [ 148].
2 Fill the refrigerant circuit with nitrogen until pressurized just below operating
pressure of the high pressure switch.
c d e
Action
No further actions required.
Return to
procedures" [
valve and continue with the next
procedure.
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
"3.3.1 Checking
4
63] of the expansion
4
"3.9 Plate work" [ 111].
"4.2.2 Repair
Split Comfora R32
ESIE18-01E – 2023.01