Daikin FTXA25BB - Class 42~50 Units

2 | Components
Service manual
99
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
CAUTION
ALWAYS apply new grease on the PCB heat sink. NOT doing so may cause the PCB to
fail due to insufficient cooling.
2 Install the main PCB in the correct location in the switch box.
d
d
d
d d e
a
a
b
c
a Power supply wires from X1M
b Wire from X1M
c Ground wiring
d Screw
e Main PCB
3 Install and tighten the screws.
4 Route the ground wire through the ferrite core. Install the ground wiring on
the switch box and fix using the screw.
5 Route the power supply wiring through the ferrite core(s) and connect it to
the main power supply terminal X1M.
6 Route the wire through the ferrite core(s) and connect it to the main power
supply terminal X1M.
7 Connect all other connectors to the main PCB.
INFORMATION
Use the wiring diagram and connection diagram for correct installation of the
connectors, see "5.2Wiring diagram"[4171].
Is the problem solved? Action
Yes No further actions required.
No Return to "Checking procedures"[491]
of the PCB and continue with the next
procedure.
2.12.2 Class 42~50 units
Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.