III - 44
Service Procedures
3
SM830052
3. Thermistor Characteristic Curve
(1)
Room temp. sensor : TH1 (KTEC-35)
(Indoor air temp. sensor)
(2)
Indoor heat exch.
coil sensor
: TH2(E1), TH3(E2),
TH4(E3)
Outdoor heat
exch. coil sensor
: TH2, TH3 (48 Type)
TH3, TH4 (70, 90 Type)
(3)
Compressor discharge gas temp. sensor : TH1 (PC Compressor) (48 Type)
Compressor discahrge gas temp. sensor : TH1 (PC Compressor), TH2 (AC Compressor) (70, 90 Type)
(PTC-51H)
( 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
80
90
100
110
120
130
1
2
3
4
5
6
7
Temperature (
°
C)
Resistance (kn )
0376_M_I