Carrier 42HVM109303 Service Manual page 56

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)
Spec.
Code
Indoor code
Indoor
Outdoor code
Outdoor
Compressor
5 10
26.9 20.7
5 15
141.6 88
T5
T1,T2,T3,T4
2T0032300751
220032308100
MS11MU-09HRFN1-QW
220037305700
MOC-09HFN1-QD0W
DA110S1C-30FZ
15 20 25 30
16.1 12.6 10 8
25 35 60 70
56.1 36.6 13.8 9.7
Temperature (℃)
2T0032500565
220032506380
MS11MU-12HRFN1-QW
220037505200
MOC-12HFN1-QD0W
DA110S1C-30FZ
56
40 50 60
5.2 3.5 2.4
80 90 100
6.9 5 3.7
2T0032800540
220032805110
MS11MU-18HRFN1-QW
220037803940
MOC-18HFN1-QC4W
DA130M1C-31FZ