Hitachi RPI-1.0FSG1 - Page 296

3-22
MAIN PARTS
(3) Thermistor for Outdoor Ambient Temperature
The thermistor resistance characteristics are shown in the figure below.
(4) Thermistor for Evaporating Temperature of Outdoor Unit in Heating Operation (For Defrosting)
The characteristics for the thermistor is the same with the value of outdoor ambient temperature
thermistor as shown in the figure below.
0
10
20
30
40
50
60
70
80
-15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60
82
61
46
35
27
20.5
16
12.5
10
8
5.3
3.6
2.5
90
Ambient Temperature (
o
C)
Thermistor
Resistance
(KΩ)
Thermistor Characteristics