Mitsubishi Electric SLH Series Technical & Service Manual page 62

<Thermistor Characteristic graph>
Room temperature thermistor(RT11)
Thermistor for
Indoor coil thermistor(RT12)
lower temperature
Thermistor R =15k' ± 3%
0
Fixed number of B=3480k' ± 2%
1
Rt=15exp { 3480(
273+t
0: 15k'
10: 9.6k'
20: 6.3k'
25: 5.2k'
30: 4.3k'
40: 3.0k'
Thermistor for
drain sensor
Thermistor R =6.0k' ±5%
0
Fixed number of B=3390k' ±2%
1
Rt=15exp { 3390(
273+t
0: 6.0k'
10: 3.9k'
20: 2.6k'
25: 2.2k'
30: 1.8k'
40: 1.3k'
1
) }
273
1
) }
273
62
< 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