Fujitsu ASU18RLF Service Instructions Manual page 65

Outdoor heat exchanger thermistor
Tempe F Tempe C Resistance(K )
-22.0 -30.0 88.42
-13.0 -25.0 64.89
-4.0 -20.0 48.13
5.0 -15.0 36.07
14.0 -10.0 27.29
23.0 -5.0 20.84
32.0
0.0 16.05
41.0 5.0 12.45
50.0 10.0 9.74
59.0 15.0 7.67
68.0
20.0 6.09
77.0 25.0 4.87
86.0 30.0 3.92
95.0 35.0 3.17
104.0
40.0 2.59
113.0 45.0 2.12
122.0 50.0 1.75
131.0
55.0 1.45
140.0
60.0 1.21
149.0 65.0 1.01
158.0 70.0 0.85
167.0
75.0 0.72
176.0
80.0 0.61
Outdoor Temprature thermistor
Tempe F Tempe C
Voltage(V)
-22.0 -30.0
0.254
0.341 -13.0 -25.0
0.449 -4.0 -20.0
5.0 -15.0
0.581
14.0 -10.0
0.741
0.928 23.0 -5.0
32.0 0.0
1.14
41.0 5.0
1.38
50.0 10.0
1.64
1.91 59.0 15.0
68.0 20.0
2.19
77.0 25.0
2.47
86.0
2.74 30.0
3.00 95.0 35.0
104.0 40.0
3.24
113.0 45.0
3.46
122.0
3.66 50.0
131.0 55.0
3.83
140.0 60.0
3.99
149.0 65.0
4.12
158.0
4.24 70.0
167.0 75.0
4.34
176.0 80.0
4.43
03-10
Resistance(K ) Voltage(V)
181.60 0.87
133.30 1.12
98.86 1.40
74.08 1.70
56.05 2.03
42.80 2.36
32.97 2.69
25.57 3.00
20.00 3.28
15.76 3.54
12.51 3.77
10.00 3.96
8.05 4.13
6.52 4.27
5.31 4.39
4.35 4.49
3.59 4.57
2.97 4.64
2.48 4.70
2.07 4.74
1.74 4.78
1.47 4.81
1.25 4.84
Characteristics of heat exchanger thermistor
(Outdoor)
100.00
80.00
60.00
40.00
20.00
0.00
-22 14 50 86 122
(-30.00) (-10.00) (10.00) (30.00) (50.00) (70.00)
Temperature F( C)
Characteristics of outdoor temperature
thermistor
200.00
160.00
120.00
80.00
40.00
0.00
-22 14 50 86
(-30.00) (-10.00) (10.00) (30.00)
Temperature F( C)
158
122
(50.00)