38
Temperature Sensors.
Room temp.(T1) sensor,
Indoor coil temp.(T2) sensor,
Outdoor coil temp.(T3) sensor,
Outdoor ambient temp.(T4) sensor,
Compressor discharge temp.(TP) 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 (
ć
)
5
10
15
20
25
30
40
50
60
Resistance Value (K
Ω
)
26.9 20.7 16.1 12.6 10
8
5.2 3.5 2.4
Table 2: Some frequently-used R-T data for TP sensor:
Temperature (
ć
)
5
15
25
35
60
70
80
90
100
Resistance Value (K
Ω
)
141.6 88
56.1 36.6 13.8 9.7 6.9 5
3.7
Temperature Sensor Characteristic table
Temperature (
ć
)