Daikin RXTA30B2V1B Service Manual page 202

4 | Components
To install the thermistor
Service manual
202
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
"7.2 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,
▪ Remove the complete set of thermistors.
6 To install the thermistor, see
Indoor unit air (room) thermistor
▪ FTXTA-B UNITS
As the indoor unit air (room) thermistor is located on the humidity sensor PCB,
replace the humidity sensor assembly, see
▪ FTXTM-R UNITS
As the indoor unit air (room) thermistor is located on the display PCB, install the
display PCB as described in the steps below:
1 Connect the connector to the display PCB.
2 Install the display PCB in the correct location on the back side of the indication
lamp cover. Make sure to route the wiring harness through the harness
retainers.
e
4
232]. ALWAYS replace the complete set of thermistors wired
"4.22.2 Repair procedures" [
"4.7.2 Repair
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
4
200].
4
procedures" [ 87].
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02