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Control Service and Troubleshooting
TABLE 29 – OUTDOOR AIR SENSOR
TEMPERATURE/VOLTAGE/
RESISTANCE CORRELATION
TEMP °F
VOLTAGE
0
0.7
5
0.8
10
0.9
15
1.0
20
1.1
25
1.2
30
1.4
35
1.5
40
1.7
45
1.8
50
2.0
55
2.2
60
2.3
65
2.5
70
2.6
75
2.8
80
2.9
85
3.1
90
3.2
95
3.4
100
3.5
105
3.6
110
3.7
115
3.8
120
3.9
125
4.0
130
4.1
134
RESISTANCE
TEMP C°
85398
-18
72950
-15
62495
-12
53685
-9
46240
-7
39929
-4
34565
-1
29998
2
26099
4
22673
7
19900
10
17453
13
15309
16
13472
18
11881
21
10501
24
9298
27
8250
29
7332
32
6530
35
5827
38
5209
41
4665
43
4184
46
3759
49
3382
52
3048
54
TABLE 30 – DISCHARGE AIR TEMP. SENSOR
TEMPERATURE/VOLTAGE/
RESISTANCE CORRELATION
TEMP °F
VOLTAGE
0
1.71
2
1.78
4
1.85
6
1.93
8
2.00
10
2.07
12
2.15
14
2.22
16
2.30
18
2.37
20
2.45
22
2.52
24
2.59
26
2.67
28
2.74
30
2.81
32
2.88
34
2.95
36
3.02
38
3.08
40
3.15
42
3.21
44
3.27
46
3.33
48
3.39
50
3.45
52
3.51
54
3.56
56
3.61
58
3.67
60
3.72
62
3.76
64
3.81
66
3.86
68
3.90
70
3.94
72
3.98
74
4.02
76
4.06
78
4.10
80
4.13
RESISTANCE
TEMP °C
25619
-18
24046
-17
22580
-16
21214
-14
19939
-13
18749
-12
17637
-11
16599
-10
15629
-9
14721
-8
13872
-7
13077
-6
12333
-4
11636
-3
10982
-2
10370
-1
9795
0
9256
1
8750
2
8276
3
7830
4
7411
6
7017
7
6647
8
6298
9
5970
10
5661
11
5370
12
5096
13
4837
14
4593
16
4363
17
4145
18
3941
19
3747
20
3564
21
3392
22
3228
23
3074
24
2928
26
2790
27
YORK INTERNATIONAL
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