Carrier 48LC 04 Controls, Start-Up, Operation And Troubleshooting page 41

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

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