Temperature Sensors.
Room temp.(T1) sensor,
Indoor coil temp.(T2) sensor,
Outdoor coil temp.(T3) sensor,
Outdoor ambient temp.(T4) sensor,
Compressor discharge temp.(T5) sensor.
Measure the resistance value of each winding by using the multi-meter.
Table 1: Some frequently-used R-T data for T1,T2,T3 and T4 sensor:
Temperature (℃)
Resistance Value (KΩ)
Table 2: Some frequently-used R-T data for T5 sensor:
Temperature (℃)
Resistance Value (KΩ)
Resistance value (KΩ)
Temperature (℃)
Spec.
Code
2T0032300844
KFU-09HRDN1-QRC8
Model
5
10
26.9
20.7
5
15
141.6
88
T5
T1,T2,T3,T4
2T0032400254
KFU-12HRFN1-QRC8
W
15
20
25
16.1
12.6
10
25
35
60
56.1
36.6
13.8
2T0032800645
KFU-18HRFN1-QRC8
W
66
30
40
50
60
8
5.2
3.5
2.4
70
80
90
100
9.7
6.9
5
3.7
2T0033000486
KFU-24HRFN1-QRC8
W
W