Carrier 38VMA Series - Page 88

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