Daikin FTXA20A Service Manual page 149

To install the thermistor
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
f
d
a Tie strap
b Insulation
c Thermistor wire
d Clip
e Thermistor
f Thermistor holder
3 Cut all tie straps that fix the thermistor harness.
4 Disconnect the thermistor connector from the appropriate PCB and remove
the thermistor.
INFORMATION
Some of the thermistors are wired to the same connector. See connector and pin
information of the thermistors at the start of the electrical check procedure and
"5.2 Wiring diagram" [
to the same connector.
5 When removing the complete set of thermistors wired to the same connector:
▪ Remove all other thermistors wired to the connector from their thermistor
holder,
▪ Disconnect the thermistor connector from the appropriate PCB,
▪ Remove the complete set of thermistors.
6 To install the thermistor, see
Indoor unit air (room) thermistor
As the indoor unit air (room) thermistor is located on the humidity sensor PCB,
replace the humidity sensor assembly, see
Other refrigerant side thermistors
1 Install the thermistor in the thermistor holder as follows:
▪ For outdoor unit air (ambient) thermistor:
Correctly install the thermistor in the holder and close the thermistor holder.
▪ For refrigerant piping thermistors:
Pull the clip and install the thermistor in the specific thermistor holder. Make
sure the clip is in the correct position (blocking the thermistor).
e
4
171]. ALWAYS replace the complete set of thermistors wired
"Repair procedures" [
"2.6.2 Repair
2 Components
|
4
148].
4
procedures" [ 71].
Service manual
149