Fujitsu S24LDC Service Instruction page 60

Thermistor resistance values
Room temperature thermistor
Tempe F Tempe C Resistance(k )
32.0 0.00 33.62
41.0 5.00 25.93
50.0 10.00 20.18
59.0 15.00 15.84
68.0 20.00 12.54
77.0 25.00 10.00
86.0 30.00 8.04
95.0 35.00 6.51
104.0 40.00 5.30
113.0 45.00 4.35
122.0 50.00 3.59
131.0 55.00 2.98
140.0 60.00 2.47
149.0 65.00 2.09
158.0 70.00 1.76
167.0 75.00 1.49
176.0 80.00 1.27
185.0 85.00 1.09
194.0 90.00 0.93
203.0 95.00 0.81
212.0 100.00 0.70
Discharge thermistor
Tempe F Tempe C Resistance(k )
-22.0 -30.00 931.50
-13.0 -25.00 683.30
-4.0 -20.00 506.60
5.0 -15.00 379.40
14.0 -10.00 286.90
23.0 -5.00 219.00
32.0 0.00 168.60
41.0 5.00 130.70
50.0 10.00 102.20
59.0 15.00 80.51
68.0 20.00 63.89
77.0 25.00 51.05
86.0 30.00 41.07
95.0 35.00 33.26
104.0 40.00 27.09
113.0 45.00 22.20
122.0 50.00 18.29
131.0 55.00 15.15
140.0 60.00 12.62
149.0 65.00 10.56
158.0 70.00 8.88
167.0 75.00 7.50
176.0 80.00 6.36
185.0 85.00 5.42
194.0 90.00 4.64
203.0 95.00 3.98
212.0 100.00 3.43
221.0 105.00 2.97
230.0 110.00 2.58
239.0 115.00 2.24
248.0 120.00 1.96
Indoor heat exchanger thermistor
Voltage(V) Tempe F Tempe C Resistance(k ) Voltage(V)
1.15 32.0 0.00
1.39 41.0 5.00
1.66 50.0 10.00
1.94 59.0 15.00
2.22 68.0 20.00
2.50 77.0 25.00
2.77 86.0 30.00
3.03 95.0 35.00
3.27 104.0 40.00
3.48 113.0 45.00
3.68 122.0 50.00
3.85 131.0 55.00
4.00 140.0 60.00
4.14 149.0 65.00
4.25 158.0 70.00
4.35 167.0 75.00
4.44 176.0 80.00
4.51 185.0 85.00
4.57 194.0 90.00
4.63 203.0 95.00
4.67 212.0 100.00
Compressor temperature thermistor
Voltage(V) Tempe F Tempe C Resistance(k )
0.07 -22.0 -30.00
0.09 -13.0 -25.00
0.13 -4.0 -20.00
0.17 5.0 -15.00
0.22 14.0 -10.00
0.28 23.0 -5.00
0.36 32.0 0.00
0.45 41.0 5.00
0.56 50.0 10.00
0.70 59.0 15.00
0.85 68.0 20.00
1.01 77.0 25.00
1.20 86.0 30.00
1.41 95.0 35.00
1.62 104.0 40.00
1.85 113.0 45.00
2.08 122.0 50.00
2.31 131.0 55.00
2.54 140.0 60.00
2.76 149.0 65.00
2.97 158.0 70.00
3.17 167.0 75.00
3.36 176.0 80.00
3.53 185.0 85.00
3.69 194.0 90.00
3.83 203.0 95.00
3.96 212.0 100.00
4.07 221.0 105.00
4.17 230.0 110.00
4.26 239.0 115.00
4.34 248.0 120.00
176.03 1.10
134.23 1.36
103.34 1.63
80.28 1.92
62.91 2.21
49.70 2.51
39.57 2.79
31.74 3.06
25.64 3.30
20.85 3.53
17.06 3.73
14.10 3.90
11.64 4.55
9.69 4.19
8.12 4.30
6.83 4.40
5.78 4.48
4.91 4.55
4.19 4.61
3.59 4.66
3.09 4.71
Voltage(V)
931.50 0.07
683.30 0.09
506.60 0.13
379.40 0.17
286.90 0.22
219.00 0.28
168.60 0.36
130.70 0.45
102.20 0.56
80.51 0.70
63.89 0.85
51.05 1.01
41.07 1.20
33.26 1.41
27.09 1.62
22.20 1.85
18.29 2.08
15.15 2.31
12.62 2.54
10.56 2.76
8.88 2.97
7.50 3.17
6.36 3.36
5.42 3.53
4.64 3.69
3.98 3.83
3.43 3.96
2.97 4.07
2.58 4.17
2.24 4.26
1.96 4.34
08-04
Characteristics of room temperature thermistor
40.00
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0.00
32 50 68 86 104 122
(0.00) (10.00) (20.00) (30.00) (40.00) (50.00) (60.00)
Temperature F( C)
Characteristics of heat exchanger thermistor
(Indoor)
180.00
160.00
140.00
120.00
100.00
80.00
60.00
40.00
20.00
0.00
32 68 140
104
(0.00) (20.00) (40.00) (60.00)
Temperature F( C)
Characteristics of discharge thermistor
1000.00
800.00
600.00
400.00
200.00
0.00
-22 32 86 140 194
(-30.00) (0.00) (30.00) (60.00) (90.00) (120.00)
Temperature F( C)
Characteristics of compressor thermistor
1000.00
800.00
600.00
400.00
200.00
0.00
-22 32 86 140 194
(-30.00) (0.00) (30.00) (60.00) (90.00) (120.00)
Temperature F( C)
140
176
(80.00)
248
248