Hitachi UTOPIA RAS-4HVRP2E - Page 170

8 Electrical checks of main parts
Thermistor
SMGB0136 rev.0 - 07/2021
168

Thermistor for evaporating temperature of outdoor unit in heating operation (for defrosting)
(THM8)
80
70
60
50
40
30
20
10
0
-15 -10 -5 0510 15 20 25 30 35 40 45 50 55 60
26.0
20.2
15.9
12.6
10.0
8.05
5.31
3.60
2.49
33.7
44.0
58.3
78.0
6.52
4.36
2.99
Thermistor resistance characteristics
Temperature (ºC)
Thermistor resistance (kΩ)

Thermistor for condensing temperature of RAS-(4-6)H(V)(R/N)(C/P)2E outdoor unit (THM10)
80
70
60
50
40
30
20
10
0
-15 -10 -5 0510 15 20 25 30 35 40 45 50 55 60
26.0
20.2
15.9
12.6
10.0
8.05
5.31
3.60
2.49
33.7
44.0
58.3
78.0
6.52
4.36
2.99
Thermistor resistance characteristics
Temperature (ºC)
Thermistor resistance (kΩ)