Mitsubishi Electric Mr.Slim PMH-P25BA Service Manual page 19

<Thermistor Characteristic graph>
Room temperature thermistor(TH1)
Thermistor for
Pipe temperature thermistor(TH2)
lower temperature
Condenser/evaporator temperature
thermistor(TH5)
Thermistor R =15kΩ ± 3%
0
Fixed number of B=3480 ± 2%
1
Rt=15exp { 3480(
273+t
0: 15kΩ
10: 9.6kΩ
20: 6.3kΩ
25: 5.4kΩ
30: 4.3kΩ
40: 3.0kΩ
Thermistor for
drain sensor
Thermistor R =6.0kΩ ±5%
0
Fixed number of B=3390 ±2%
1
Rt=6exp { 3390(
273+t
0: 6.0kΩ
10: 3.9kΩ
20: 2.6kΩ
25: 2.2kΩ
30: 1.8kΩ
40: 1.3kΩ
1
) }
273
1
) }
273
19
< Thermistor for lower temperature >
50
40
30
20
10
0
-20 -10 0 10 20 30 40 50
Temperature (:)
< Thermistor for drain sensor >
10
9
8
7
6
5
4
3
2
1
0
-20 0 20 40
Temperature (:)
60 80