Carrier 38LUVH045N-1 - PART7. Trouble Shooting; Step Motor and Temperature Sensor Data

PART7, 12
3.4 Step Motor
Model: MP2835, MP2423B
Measure the resistance value of each winding by using the multi-meter.
Model: MP2423
Measure the resistance value of each winding by using the multi-meter.
3.5 Temperature Sensors.
Room temp.(T1) sensor,
Indoor coil temp.(T2) sensor,
Outdoor coil temp.(T3) sensor,
Outdoor ambient temp.(T4) sensor,
Compressor exhaust temp.(Te) sensor.
Measure the resistance value of each winding by using the multi-meter.
Some frequently-used R-T data for T1, T2, T3 and T4 sensor:
Temperature (℃)
5
10
15
20
25
30
40
50
60
Resistance Value (KΩ)
26.9
20.7
16.1
12.6
10
8
5.2
3.5
2.4
Some frequently-used R-T data for Te sensor:
Temperature (℃)
5
15
25
35
60
70
80
90
100
Resistance Value (KΩ)
141.6
88
56.1
36.6
13.8
9.7
6.9
5
3.7
Position
Resistance Value
Blue - Red
200Ω±7% (25℃)
Pink - Orange
Pink - Yellow
Yellow - Red
Position
Resistance Value
Blue - Red
200Ω±7% (25℃)
Pink - Orange
Pink - Yellow
Yellow - Red
9(10
)
7(8)
1(2)
3(4
)
5(6
)