Carrier WeatherMaker 48A2020 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 91
Single package large rooftop units with comfortlink version 10.x controls
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Table 82 — 5K Thermistor Temperature vs. Resistance (SCT Sensors) (English)
VOLTAGE
TEMP
RESISTANCE
DROP
(F)
(Ohms)
(V)
–25
3.699
98,010
–24
3.689
94,707
–23
3.679
91,522
–22
3.668
88,449
–21
3.658
85,486
–20
3.647
82,627
–19
3.636
79,871
–18
3.624
77,212
–17
3.613
74,648
–16
3.601
72,175
–15
3.588
69,790
–14
3.576
67,490
–13
3.563
65,272
–12
3.550
63,133
–11
3.536
61,070
–10
3.523
59,081
–9
3.509
57,162
–8
3.494
55,311
–7
3.480
53,526
–6
3.465
51,804
–5
3.450
50,143
–4
3.434
48,541
–3
3.418
46,996
–2
3.402
45,505
–1
3.386
44,066
0
3.369
42,679
1
3.352
41,339
2
3.335
40,047
3
3.317
38,800
4
3.299
37,596
5
3.281
36,435
6
3.262
35,313
7
3.243
34,231
8
3.224
33,185
9
3.205
32,176
10
3.185
31,202
11
3.165
30,260
12
3.145
29,351
13
3.124
28,473
14
3.103
27,624
15
3.082
26,804
16
3.060
26,011
17
3.038
25,245
18
3.016
24,505
19
2.994
23,789
20
2.972
23,096
21
2.949
22,427
22
2.926
21,779
23
2.903
21,153
24
2.879
20,547
25
2.856
19,960
26
2.832
19,393
27
2.808
18,843
28
2.784
18,311
29
2.759
17,796
30
2.735
17,297
31
2.710
16,814
32
2.685
16,346
33
2.660
15,892
34
2.634
15,453
35
2.609
15,027
36
2.583
14,614
37
2.558
14,214
38
2.532
13,826
39
2.506
13,449
40
2.480
13,084
41
2.454
12,730
42
2.428
12,387
43
2.402
12,053
44
2.376
11,730
45
2.349
11,416
46
2.323
11,112
47
2.296
10,816
48
2.270
10,529
49
2.244
10,250
50
2.217
9,979
51
2.191
9,717
52
2.165
9,461
53
2.138
9,213
54
2.112
8,973
55
2.086
8,739
56
2.060
8,511
57
2.034
8,291
58
2.008
8,076
VOLTAGE
TEMP
RESISTANCE
DROP
(F)
(Ohms)
(V)
59
1.982
7,686
60
1.956
7,665
61
1.930
7,468
62
1.905
7,277
63
1.879
7,091
64
1.854
6,911
65
1.829
6,735
66
1.804
6,564
67
1.779
6,399
68
1.754
6,238
69
1.729
6,081
70
1.705
5,929
71
1.681
5,781
72
1.656
5,637
73
1.632
5,497
74
1.609
5,361
75
1.585
5,229
76
1.562
5,101
77
1.538
4,976
78
1.516
4,855
79
1.493
4,737
80
1.470
4,622
81
1.448
4,511
82
1.426
4,403
83
1.404
4,298
84
1.382
4,196
85
1.361
4,096
86
1.340
4,000
87
1.319
3,906
88
1.298
3,814
89
1.278
3,726
90
1.257
3,640
91
1.237
3,556
92
1.217
3,474
93
1.198
3,395
94
1.179
3,318
95
1.160
3,243
96
1.141
3,170
97
1.122
3,099
98
1.104
3,031
99
1.086
2,964
100
1.068
2,898
101
1.051
2,835
102
1.033
2,773
103
1.016
2,713
104
0.999
2,655
105
0.983
2,597
106
0.966
2,542
107
0.950
2,488
108
0.934
2,436
109
0.918
2,385
110
0.903
2,335
111
0.888
2,286
112
0.873
2,239
113
0.858
2,192
114
0.843
2,147
115
0.829
2,103
116
0.815
2,060
117
0.801
2,018
118
0.787
1,977
119
0.774
1,937
120
0.761
1,898
121
0.748
1,860
122
0.735
1,822
123
0.723
1,786
124
0.710
1,750
125
0.698
1,715
126
0.686
1,680
127
0.674
1,647
128
0.663
1,614
129
0.651
1,582
130
0.640
1,550
131
0.629
1,519
132
0.618
1,489
133
0.608
1,459
134
0.597
1,430
135
0.587
1,401
136
0.577
1,373
137
0.567
1,345
138
0.557
1,318
139
0.548
1,291
140
0.538
1,265
141
0.529
1,240
142
0.520
1,214
91
VOLTAGE
TEMP
RESISTANCE
DROP
(F)
(Ohms)
(V)
143
0.511
144
0.502
145
0.494
146
0.485
147
0.477
148
0.469
149
0.461
150
0.453
151
0.445
152
0.438
153
0.430
154
0.423
155
0.416
156
0.408
157
0.402
158
0.395
159
0.388
160
0.381
161
0.375
162
0.369
163
0.362
164
0.356
165
0.350
166
0.344
167
0.339
168
0.333
169
0.327
170
0.322
171
0.317
172
0.311
173
0.306
174
0.301
175
0.296
176
0.291
177
0.286
178
0.282
179
0.277
180
0.272
181
0.268
182
0.264
183
0.259
184
0.255
185
0.251
186
0.247
187
0.243
188
0.239
189
0.235
190
0.231
191
0.228
192
0.224
193
0.220
194
0.217
195
0.213
196
0.210
197
0.206
198
0.203
199
0.200
200
0.197
201
0.194
202
0.191
203
0.188
204
0.185
205
0.182
206
0.179
207
0.176
208
0.173
209
0.171
210
0.168
211
0.165
212
0.163
213
0.160
214
0.158
215
0.155
216
0.153
217
0.151
218
0.148
219
0.146
220
0.144
221
0.142
222
0.140
223
0.138
224
0.135
225
0.133
1,190
1,165
1,141
1,118
1,095
1,072
1,050
1,029
1,007
986
965
945
925
906
887
868
850
832
815
798
782
765
750
734
719
705
690
677
663
650
638
626
614
602
591
581
570
561
551
542
533
524
516
508
501
494
487
480
473
467
461
456
450
445
439
434
429
424
419
415
410
405
401
396
391
386
382
377
372
367
361
356
350
344
338
332
325
318
311
304
297
289
282
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