Thermistor Characteristics; Thermistor Temperature Characteristics (All Temperature Except Discharge Gas); Thermistor Temperature Characteristics For Discharge Gas Temperature - Hitachi SAMURAI Series Service Manual

4 Troubleshooting
Thermistor characteristics

4.10 Thermistor characteristics

The thermistor is installed in this product to detect the cycle temperature such as water temperature (inlet-outlet of water
side heat exchanger), and outlet liquid refrigerant temperature from the heat exchanger.
The thermistor temperature characteristics are shown in the below figures:

4.10.1 Thermistor temperature characteristics (All temperature except discharge gas)

4.10.2 Thermistor temperature characteristics for discharge gas temperature

127 SMGB0120 rev.0 - 11/2017
25
19,3
20
14,4
15
10,9
10
8,3
6,4
5,0
3,9
5
3,1
2,5 2,0
0
-20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
Temperature (ºC)
1200
1072,0
1000
800
640,4
600
394,2
400
249,2
161,5
200
107,0
72,3 50,0
0
-10 0 10 20 30 40
Temperature (ºC)
1,6 1,3 1,1
0,9 0,7 0,6 0,5 0,4 0,4 0,3
17B18890
35,1 25,1 18,2 13,4 9,9
7,5
6,5
50 60 70 80 90 100 110 120 130
17B24597
0,3
4