SPYDER MODEL 7 VAV CONTROLLER INSTALLATION INSTRUCTIONS
31-00475-01
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20 K NTC Characteristics
Table 34 20 K NTC Characteristics
Temp.
[°F]
Temp.
[°C]
Resistance
[K
Ω
]
Terminal
voltage [V]
Temp.
[°F]
Temp.
[°C]
Resistance
[K
Ω
]
Terminal
Voltage [V]
-58
-50
1659
8.78
5
-15
164
7.83
-56.2
-49
1541
8.77
6.8
-14
154
7.78
-54.4
-48
1432
8.76
8.6
-13
146
7.72
-52.6
-47
1331
8.75
10.4
-12
137
7.66
-50.8
-46
1239
8.74
12.2
-11
130
7.6
-49
-45
1153
8.72
14
-10
122
7.53
-47.2
-44
1073
8.71
15.8
-9
116
7.46
-45.4
-43
1000
8.7
17.6
-8
109
7.39
-43.6
-42
932
8.69
19.4
-7
103
7.32
-41.8
-41
869
8.67
21.2
-6
97.6
7.25
-40
-40
811
8.66
23
-5
92.3
7.17
-38.2
-39
757
8.64
24.8
-4
87.3
7.09
-36.4
-38
706
8.62
26.6
-3
82.6
7.01
-34.6
-37
660
8.6
28.4
-2
78.2
6.93
-32.8
-36
617
8.58
30.2
-1
74.1
6.85
-31
-35
577
8.56
32
0
70.2
6.76
-29.2
-34
539
8.54
33.8
1
66.5
6.67
-27.4
-33
505
8.52
35.6
2
63
6.58
-25.6
-32
473
8.49
37.4
3
59.8
6.49
-23.8
-31
443
8.47
39.2
4
56.7
6.4
-22
-30
415
8.44
41
5
53.8
6.3
-20.2
-29
389
8.41
42.8
6
51.1
6.2
-18.4
-28
364
8.38
44.6
7
48.5
6.1
-16.6
-27
342
8.35
44.4
8
46
6
-14.8
-26
321
8.32
48.2
9
43.7
5.9
-13
-25
301
8.28
50
10
41.6
5.8
-11.2
-24
283
8.25
51.8
11
39.5
5.7
-9.4
-23
266
8.21
53.6
12
37.6
5.59
-7.6
-22
250
8.17
55.4
13
35.7
5.49
-5.8
-21
235
8.13
57.2
14
34
5.38
-4
-20
221
8.08
59
15
32.3
5.28
-2.2
-19
208
8.04
60.8
16
30.8
5.17
-0.4
-18
196
7.99
62.6
17
29.3
5.07
1.4
-17
184
7.94
64.4
18
27.9
4.96
3.2
-16
174
7.89
66.2
19
26.6
4.85