III - 46
Service Procedures
3
SM830063
3. Thermistor Characteristic Curve
(1) Indoor room temp. sensor : TH1
Indoor discharge air temp. sensor : TH5
(2) Indoor heat exch.
coil sensor : TH2(E1), TH3(E2),
TH4(E3)
Outdoor heat
exch. coil sensor : TH2, TH3 (36, 48 Type)
TH3, TH4, TH5 (70, 90 Type)
(3) Compressor discharge gas temp. sensor : TH1 (PC Compressor) (36, 48 Type)
Compressor discahrge gas temp. sensor : TH1 (PC Compressor), TH2 (AC Compressor) (70, 90 Type)
PBC-41E, PB3M-41E
Resistance (kn )
10 15 20 25 30 35 40
10
9
8
7
6
5
4
3
2
1
Temperature (°C)
0374_M_I
–20 –15 –10 –5 0 5 10 15 20
0
5
10
15
20
25
30
35
40
Temperature (°C)
Resistance (kn )
0375_M_I
KTEC-35
80 90 100 110 120 130
1
2
3
4
5
6
7
Temperature (°C)
Resistance (kn )
0376_M_I
PTC-51H
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