Carrier 50PG20-28 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 66

Table 51 -- Temperature (°F) vs. Resistance/Voltage Drop Values for SCT Sensors (5K at 25 C Resistors)
TEMP
(F)
-25
-24
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-t
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
VOLTAGE
DROP
(v)
3.699
3.689
3.679
3.668
3.658
3.647
3.636
3.624
3.613
3.60I
3.588
3.576
3.563
3.550
3.536
3.523
3.509
3.494
3.480
3.465
3.450
3.434
3.418
3.402
3.386
3.369
3.352
3.335
3.317
3.299
3.28t
3.262
3.243
3.224
3.205
3.I85
3.I65
3.I45
3.I24
3.I03
3.082
3.060
3.038
3.016
2.994
2.972
2.949
2.926
2.903
2.879
2.856
2.832
2.808
2.784
2.759
2.735
2.710
2.685
2.660
2.634
2.609
2.583
2.558
2.532
2.506
2.480
2.454
2.428
2.402
2.376
2.349
2.323
2.296
2.270
2.244
2.217
2.I9I
2.I65
2.I38
2.I12
2.086
2.060
2.034
2.008
RESISTANCE
(Ohms)
98,010
94,707
9t,522
88,449
85,486
82,627
79,87t
77,212
74,648
72,I75
69J90
67,490
65,272
63,I33
61,070
59,08t
57,I62
55,31t
53,526
51,804
50,I43
48,541
46,996
45,505
44,066
42,679
41,339
40,047
38,800
37,596
36,435
35,313
34,231
33,I85
32,I76
31,202
30,260
29,35I
28,473
27,624
26,804
26,01I
25,245
24,505
23,789
23,096
22,427
21,779
2I,I53
20,547
I9,960
I9,393
I8,843
I8,31t
I7,796
I7,297
I6,814
I6,346
I5,892
I5,453
I5,027
I4,614
I4,214
I3,826
I3,449
I3,084
I2,730
I2,387
I2,053
II,730
II,416
II,I12
I0,816
I0,529
I0,250
9,979
9,717
9,461
9,213
8,973
8,739
8,51t
8,29t
8,076
TEMP
(F) (V)
59 1.982
60 1.956
61 1.930
62 1.905
63 1.879
64 1.854
65 1.829
66 1.804
67 1.779
68 1.754
69 1.729
70 1.705
71 1.681
72 1.656
73 1.632
74 1.609
75 1.585
76 1.562
77 1.536
78 1.516
79 1.493
80 1.470
81 1.448
82 1.426
83 1.404
84 1.382
85 1.361
86 1.340
87 1.319
88 1.298
89 1.278
90 1.257
91 1.237
92 1.217
93 1.198
94 1.179
95 1.160
96 1.141
97 1.122
98 1.104
99 1.086
100 1.068
101 1.051
102 1.033
103 1.016
104 0.999
105 0.983
106 0.966
107 0.950
108 0.934
109 0.916
110 0.903
111 0.888
112 0.873
113 0.858
114 0.843
115 0.829
116 0.815
117 0.801
118 0.787
119 0.774
120 0.761
121 0.748
122 0.735
123 0.723
124 0.710
125 0.698
126 0.686
127 0.674
128 0.663
129 0.651
130 0.640
131 0.629
132 0.618
133 0.608
134 0.597
135 0.587
136 0.577
137 0.567
138 0.557
139 0.548
140 0.538
141 0.529
142 0.520
VOLTAGE RESISTANCE
DROP (Ohms)
7,866
7,665
7,468
7,277
7,09I
6,91I
6,735
6,564
6,399
6,238
6,08I
5,929
5,78I
5,637
5,497
5,36I
5,229
5,10t
4,976
4,855
4,737
4,622
4,511
4,403
4,298
4,196
4,096
4,000
3,906
3,814
3,726
3,640
3,556
3,474
3,395
3,318
3,243
3,170
3,099
3,03t
2,964
2,898
2,835
2,773
2,713
2,655
2,597
2,542
2,488
2,436
2,385
2,335
2,286
2,239
2,192
2,147
2,103
2,060
2,018
1,977
1,937
1,898
1,860
1,822
1,786
1,750
1,715
1,680
1,647
1,614
1,582
1,550
1,519
1,489
1,459
1,430
1,40I
1,373
1,345
1,318
1,29I
1,265
1,240
1,214
TEMP
(F)
143
144
145
146
147
148
149
150
151
VOLTAGE
DROP
(v)
0.511
0.502
0.494
0.485
0.477
0.469
0.461
0.453
0.445
RESISTANCE
(Ohms)
1,190
1,165
1,141
1,118
1,095
1,072
1,050
1,029
1,007
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
228 0.144
221 0.142
222 0.140
223 0.138
224 0.135
225 0.133
986
965
945
925
906
887
868
85O
832
815
798
782
765
750
734
719
7O5
690
677
663
65O
638
626
614
602
591
581
57O
561
551
542
533
524
516
508
501
494
487
48O
473
467
461
456
45O
445
439
434
429
424
419
415
410
405
401
396
391
386
382
377
372
367
361
356
35O
344
338
332
325
318
311
304
297
289
282
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