Daikin FTXA20A - High Pressure Switch; Checking Procedures

2 | Components
Service manual
67
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
To install the front panel motor
1 Connect the harness to the front panel motor connector.
2 Install the front panel motor on the indoor unit and tighten using the 2
screws.
CAUTION
Make sure the motor axle is well aligned with the slot in the gear when installing the
motor.
a
ab
a Screw
b Front panel motor
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.
2.5 High pressure switch
2.5.1 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 "2.14Plate work"[4120].
1 Recuperate the refrigerant from the refrigerant circuit, see "3.2.2 Repair
procedures"[4162].
2 Fill the refrigerant circuit with nitrogen until pressurized just below operating
pressure of the high pressure switch.