![background image](http://html1.mh-extra.com/html/daikin/perfera-arxm-r-series/perfera-arxm-r-series_service-manual_2460267190.webp)
3
|
Components
Service manual
190
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
Name
Symbol
Location
(PCB)
Connector
(pins)
Inter-
mediate
connector
(pins)
Referen
ce
(table)
Discharge
pipe
thermistor
R3T
Main (O/U)
S90:5‑6
-
A
Wall mounted indoor units
Name
Symbol
Location
(PCB)
Connector
(pins)
Inter-
mediate
connector
(pins)
Referen
ce
(table)
Indoor unit
air (room)
thermistor
R1T
Display PCB
A3P on
main PCB (I/
U)
S800:5‑11
S27:1‑2 on
display PCB
B
Heat
exchanger
thermistor
R2T
Main (I/U)
S501:1‑2
-
A
Floor standing indoor units
Name
Symbol
Location
(PCB)
Connector
(pins)
Inter-
mediate
connector
(pins)
Referen
ce
(table)
Heat
exchanger
thermistor
R1T
Main (I/U)
S501:1‑2
-
A
Indoor unit
air (room)
thermistor
R2T
Main (I/U)
S501:3‑4
-
A
Humidity
thermistor
R3T
Humidity
sensor PCB
A5P on
main PCB (I/
U)
S600
CN on A5P
-
4
Determine the thermistor resistance that matches the measured
temperature.
Thermistor – Table A
T °C
kΩ
T °C
kΩ
T °C
kΩ
T °C
kΩ
–20
197.81
10
39.96
40
10.63
70
3.44