Carrier 48FC Series Controls, Start-Up, Operation And Troubleshooting page 42

Single package rooftop units with systemvu controls version 1.x and puronr (r-410a) refrigerant
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Table 20 – Temperature (_F) vs Resistance/Voltage Drop Values for OAT, RAT, SAT, and SPT Thermistors (10K at 25_C Type II Resistors)
TEMP
RESISTANCE
(F)
(Ohms)
–25
196,453
–24
189,692
–23
183,300
–22
177,000
–21
171,079
–20
165,238
–19
159,717
–18
154,344
–17
149,194
–16
144,250
–15
139,443
–14
134,891
–13
130,402
–12
126,183
–11
122,018
–10
118,076
–9
114,236
–8
110,549
–7
107,006
–6
103,558
–5
100,287
–4
97,060
–3
94,020
–2
91,019
–1
88,171
0
85,396
1
82,729
2
80,162
3
77,662
4
75,286
5
72,940
6
70,727
7
68,542
8
66,465
9
64,439
10
62,491
11
60,612
12
58,781
13
57,039
14
55,319
15
53,693
16
52,086
17
50,557
18
49,065
19
47,627
20
46,240
21
44,888
22
43,598
23
42,324
24
41,118
25
39,926
26
38,790
27
37,681
28
36,610
29
35,577
30
34,569
31
33,606
32
32,654
33
31,752
34
30,860
35
30,009
36
29,177
37
28,373
38
27,597
39
26,838
40
26,113
41
25,396
42
24,715
43
24,042
44
23,399
45
22,770
46
22,161
47
21,573
48
20,998
49
20,447
50
19,903
51
19,386
52
18,874
53
18,384
54
17,904
55
17,441
56
16,991
57
16,552
58
16,131
VOLTAGE
TEMP
RESISTANCE
DROP (V)
(F)
4.758
59
4.750
60
4.741
61
62
4.733
4.724
63
64
4.715
4.705
65
4.696
66
4.686
67
4.676
68
4.665
69
4.655
70
4.644
71
4.633
72
4.621
73
4.609
74
75
4.597
4.585
76
77
4.572
4.560
78
79
4.546
4.533
80
4.519
81
4.505
82
4.490
83
4.476
84
4.461
85
4.445
86
4.429
87
88
4.413
4.397
89
90
4.380
4.363
91
92
4.346
4.328
93
4.310
94
4.292
95
4.273
96
4.254
97
4.235
98
4.215
99
4.195
100
101
4.174
4.153
102
103
4.132
4.111
104
105
4.089
4.067
106
4.044
107
4.021
108
3.998
109
3.975
110
3.951
111
3.927
112
3.903
113
3.878
114
3.853
115
116
3.828
3.802
117
118
3.776
3.750
119
3.723
120
3.697
121
3.670
122
3.654
123
3.615
124
3.587
125
3.559
126
3.531
127
3.503
128
3.474
129
3.445
130
131
3.416
3.387
132
3.357
133
134
3.328
3.298
135
3.268
136
3.238
137
3.208
138
3.178
139
3.147
140
3.117
141
3.086
142
VOLTAGE
(Ohms)
DROP (V)
15,714
3.056
15,317
3.025
14,925
2.994
14,549
2.963
14,180
2.932
13,824
2.901
13,478
2.870
13,139
2.839
12,814
2.808
12,493
2.777
12,187
2.746
11,884
2.715
11,593
2.684
11,308
2.653
11,031
2.622
10,764
2.592
10,501
2.561
10,249
2.530
10,000
2.500
9,762
2.470
9,526
2.439
9,300
2.409
9,078
2.379
8,862
2.349
8,653
2.319
8,448
2.290
8,251
2.260
8,056
2.231
7,869
2.202
7,685
2.173
7,507
2.144
7,333
2.115
7,165
2.087
6,999
2.059
6,838
2.030
6,683
2.003
6,530
1.975
6,383
1.948
6,238
1.921
6,098
1.894
5,961
1.867
5,827
1.841
5,698
1.815
5,571
1.789
5,449
1.763
5,327
1.738
5,210
1.713
5,095
1.688
4,984
1.663
4,876
1.639
4,769
1.615
4,666
1.591
4,564
1.567
4,467
1.544
4,370
1.521
4,277
1.498
4.185
1.475
4,096
1.453
4,008
1.431
3,923
1.409
3,840
1.387
3,759
1.366
3,681
1.345
3,603
1.324
3,529
1.304
3,455
1.284
3,383
1.264
3,313
1.244
3,244
1.225
3,178
1.206
3,112
1.187
3,049
1.168
2,986
1.150
2,926
1.132
2,866
1.114
2,809
1.096
2,752
1.079
2,697
1.062
2,643
1.045
2,590
1.028
2,539
1.012
2,488
0.996
2,439
0.980
2,391
0.965
42
TEMP
RESISTANCE
(F)
(Ohms)
143
2,343
144
2,297
145
2,253
146
2,209
147
2,166
148
2,124
149
2,083
150
2,043
151
2,003
152
1,966
153
1,928
154
1,891
155
1,855
156
1,820
157
1,786
158
1,752
159
1,719
160
1,687
161
1,656
162
1,625
163
1,594
164
1,565
165
1,536
166
1,508
167
1,480
168
1,453
169
1,426
170
1,400
171
1,375
172
1,350
173
1,326
174
1,302
175
1,278
176
1,255
177
1,233
178
1,211
179
1,190
180
1,169
181
1,148
182
1,128
183
1,108
184
1,089
185
1,070
186
1,052
187
1,033
188
1,016
189
998
190
981
191
964
192
947
193
931
194
915
195
900
196
885
197
870
198
855
199
841
200
827
201
814
202
800
203
787
204
774
205
762
206
749
207
737
208
725
209
714
210
702
211
691
212
680
213
670
214
659
215
649
216
639
217
629
218
620
219
610
220
601
221
592
222
583
223
574
224
566
225
557
VOLTAGE
DROP (V)
0.949
0.934
0.919
0.905
0.890
0.876
0.862
0.848
0.835
0.821
0.808
0.795
0.782
0.770
0.758
0.745
0.733
0.722
0.710
0.699
0.687
0.676
0.666
0.655
0.645
0.634
0.624
0.614
0.604
0.595
0.585
0.576
0.567
0.558
0.549
0.540
0.532
0.523
0.515
0.507
0.499
0.491
0.483
0.476
0.468
0.461
0.454
0.447
0.440
0.433
0.426
0.419
0.413
0.407
0.400
0.394
0.388
0.382
0.376
0.370
0.365
0.359
0.354
0.349
0.343
0.338
0.333
0.328
0.323
0.318
0.314
0.309
0.305
0.300
0.296
0.292
0.288
0.284
0.279
0.275
0.272
0.268
0.264

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