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8.3 Key parts checking.
8.3.1. Compressor checking (Model: DA150S1C-20FZ)
Measure the resistance value of each winding by using the multi-meter.
8.3.2 Outdoor Fan Motor (Model: YDK53-6FB)
Measure the resistance value of each winding by using the multi-meter.
8.3.3 Outdoor Fan Motor (Model: YDK53-6NB)
Measure the resistance value of each winding by using the multi-meter.
8.3.4 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 ( )
Resistance Value (KΩ)
Blue - Red
Blue - Black
Red - Blue
Black - Red
Red -Yellow
Black - Red
Red -Yellow
5
10
15
20
26.9
20.7
16.1
12.6
Position
Resistance Value
0.95Ω
(20 )
Position
Resistance Value
56Ω (20 )
76Ω (20 )
Position
Resistance Value
56.5Ω (20 )
117.5Ω (20 )
25
30
40
50
10
8
5.2
3.5
60
2.4
35
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