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Table 34 - Resistance of Temperature sensor A*
Temp.
Resistance
Voltage
(KΩ)
(°F)
-38.2
387.1
0.10
-36.4
360.9
0.11
-34.6
336.7
0.17
-32.8
314.2
0.12
-31.0
293.4
0.13
-29.2
274.0
0.14
-27.4
256.0
0.15
-25.6
239.4
0.16
-23.8
223.9
0.17
-22.0
209.5
0.18
-20.2
196.1
0.20
-18.4
183.7
0.21
-16.6
172.1
0.22
-14.8
161.4
0.24
-13.0
151.3
0.25
-11.2
142.0
0.27
-9.4
133.3
0.28
-7.6
125.2
0.30
-5.8
117.7
0.32
-4.0
110.6
0.34
-2.2
104.0
0.36
-0.4
97.9
0.38
1.4
92.1
0.40
3.2
86.7
0.42
5.0
81.7
0.45
6.8
77.0
0.47
8.6
72.6
0.50
10.4
68.4
0.53
12.2
64.6
0.55
14.0
60.9
0.58
15.8
57.5
0.61
17.6
54.3
0.64
19.4
51.3
0.68
21.2
48.5
0.71
23.0
45.9
0.75
24.8
43.4
0.78
26.6
41.0
0.82
28.4
38.9
0.86
30.2
36.8
0.90
32.0
34.8
0.94
33.8
33.0
0.98
35.6
31.3
1.02
37.4
29.7
1.07
39.2
28.1
1.11
41.0
26.7
1.16
42.8
25.3
1.21
44.6
24.0
1.25
46.4
22.9
1.30
48.2
21.7
1.35
50.0
20.6
1.40
* Outdoor unit: T3, T4, T5, T6, T7
Indoor unit: T1, T2a, T2b
The Resistance of 77°F is 10 KΩ±1%. The relation between voltage and resistance is: V=
Temp.
Resistance
(KΩ)
(V)
(°F)
51.8
19.62
53.6
18.66
55.4
17.75
57.2
16.90
59.0
16.08
60.8
15.31
62.6
14.59
64.4
13.90
66.2
13.25
68.0
12.63
69.8
12.05
71.6
11.50
73.4
10.97
75.2
10.47
77.0
10.00
78.8
80.6
82.4
84.2
86.0
87.8
89.6
91.4
93.2
95.0
96.8
98.6
100.4
102.2
104.0
105.8
107.6
109.4
111.2
113.0
114.8
116.6
118.4
120.2
122.0
123.8
125.6
127.4
129.2
131.0
132.8
134.6
136.4
138.2
140.0
Voltage
(V)
1.46
1.51
1.56
1.61
1.67
1.72
1.78
1.83
1.89
1.95
2.00
2.06
2.12
2.17
2.23
9.55
2.29
9.13
2.34
8.72
2.40
8.34
2.46
7.97
2.51
7.63
2.57
7.30
2.62
6.98
2.68
6.69
2.73
6.40
2.79
6.13
2.84
5.88
2.89
5.63
2.94
5.40
2.99
5.18
3.04
4.97
3.10
4.76
3.14
4.57
3.19
4.39
3.24
4.21
3.28
4.05
3.33
3.89
3.37
3.73
3.42
3.59
3.46
3.45
3.50
3.32
3.54
3.19
3.58
3.07
3.62
2.95
3.66
2.84
3.70
2.74
3.73
2.64
3.77
2.54
3.80
2.45
3.83
2.36
3.87
Temp.
Resistance
Voltage
(KΩ)
(°F)
(V)
141.8
2.27
3.90
143.6
2.19
3.93
145.4
2.11
3.96
147.2
2.04
3.99
149.0
1.97
4.02
150.8
1.90
4.05
152.6
1.83
4.07
154.4
1.77
4.10
156.2
1.71
4.13
158.0
1.65
4.15
159.8
1.59
4.17
161.6
1.54
4.20
163.4
1.49
4.22
165.2
1.44
4.24
167.0
1.39
4.26
168.8
1.34
4.28
170.6
1.30
4.30
172.4
1.26
4.32
174.2
1.22
4.34
176.0
1.18
4.36
177.8
1.14
4.38
179.6
1.10
4.40
181.4
1.07
4.41
183.2
1.03
4.43
185.0
1.00
4.45
186.8
0.97
4.46
188.6
0.94
4.48
190.4
0.91
4.49
192.2
0.88
4.51
194.0
0.86
4.52
195.8
0.83
4.53
197.6
0.80
4.54
199.4
0.78
4.56
201.2
0.76
4.57
203.0
0.73
4.58
204.8
0.71
4.59
206.6
0.69
4.60
208.4
0.67
4.61
210.2
0.65
4.62
212.0
0.63
4.63
213.8
0.61
4.64
215.6
0.60
4.65
217.4
0.58
4.66
219.2
0.56
4.67
221.0
0.55
4.68
8.06
8.06+����
*5
88
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