–36–
25
20
15
10
5
0
90
100
110
120
50
40
30
20
10
0
—20 —10
10
20
30
40
50
0
[5] Reference Data
<Thermistor characteristic table>
Low temperature thermistor
Thermistor <Liquid temperature detection> (TH1)
Thermistor <Condenser/evaporater temperature detection> (TH3)
Thermistor <Liquid temperature detection> (TH1)
Thermistor <Condenser/evaporater temperature detection> (TH3)
Thermistor Ro = 15 k
Ω
±
3 %
B constant = 3,460 k
Ω
±
2 %
Rt = 15 exp {3,460 (–––––– – ––––)}
0
°
C: 15 k
Ω
10
°
C: 9.7 k
Ω
20
°
C: 6.4 k
Ω
25
°
C: 5.3 k
Ω
30
°
C: 4.3 k
Ω
40
°
C: 3.1 k
Ω
1
1
273 + t
273
Resistance
High temperature thermistor
Thermistor <Discharge temperature detection> (TH2)
Thermistor (Discharge temperature detection) (TH2)
Thermistor R120 = 7.465 k
Ω
±
2 %
B constant = 4,057 k
Ω
±
2 %
Rt = 7.465 exp {4,057 (–––––– – ––––)}
20
°
C: 250 k
Ω
70
°
C:
34 k
Ω
30
°
C: 160 k
Ω
80
°
C:
24 k
Ω
40
°
C: 104 k
Ω
90
°
C: 17.5 k
Ω
50
°
C:
70 k
Ω
100
°
C: 13.0 k
Ω
60
°
C:
48 k
Ω
110
°
C: 9.8 k
Ω
1
1
273 + t
393
<Low temperature thermistor>
<High temperature thermistor>
Temperature
Resistance
Temperature
