Carrier Ecologic Series 3 Controls, Start-Up, Operation, Service, And Troubleshooting page 63

Table 42B — Thermistor Temperatures (°C) vs Resistance/Voltage Drop
(NOTE: These values do NOT Apply to the Motor Temperature Thermistors)
VOLTAGE
TEMP
DROP
(C)
(V)
–40 4.896
–39 4.889
–38 4.882
–37 4.874
–36 4.866
–35 4.857
–34 4.848
–33 4.838
–32 4.828
–31 4.817
–30 4.806
–29 4.794
–28 4.782
–27 4.769
–26 4.755
–25 4.740
–24 4.725
–23 4.710
–22 4.693
–21 4.676
–20 4.657
–19 4.639
–18 4.619
–17 4.598
–16 4.577
–15 4.554
–14 4.531
–13 4.507
–12 4.482
–11 4.456
–10 4.428
–9 4.400
–8 4.371
–7 4.341
–6 4.310
–5 4.278
–4 4.245
–3 4.211
–2 4.176
–1 4.140
0 4.103
1 4.065
2 4.026
3 3.986
4 3.945
5 3.903
6 3.860
7 3.816
8 3.771
9 3.726
THERMISTOR JACKETED CABLE
PLUG END
PACKING NUT
FERRULE
RESISTANCE TEMP
(Ohms) (C)
168,230 10
157,440 11
147,410 12
138,090 13
129,410 14
121,330 15
113,810 16
106,880 17
100,260 18
94,165 19
88,480 20
83,170 21
78,125 22
73,580 23
69,250 24
65,205 25
61,420 26
57,875 27
54,555 28
51,450 29
48,536 30
45,807 31
43,247 32
40,845 33
38,592 34
38,476 35
34,489 36
32,621 37
30,866 38
29,216 39
27,633 40
26,202 41
24,827 42
23,532 43
22,313 44
21,163 45
20,079 46
19,058 47
18,094 48
17,184 49
16,325 50
15,515 51
14,749 52
14,026 53
13,342 54
12,696 55
12,085 56
11,506 57
10,959 58
10,441 59
SENSOR TUBE BEND SLIGHTLY BEFORE WELL INSERTION
4 in.
Fig. 22 — Thermistor Replacement (T1, T2, T5, or T6)
Fig. 23 — Thermistor (Liquid Level Sensor) Replacement
VOLTAGE
RESISTANCE
DROP
(Ohms)
(V)
3.680 9,949
3.633 9,485
3.585 9,044
3.537 8,627
3.487 8,231
3.438 7,855
3.387 7,499
3.337 7,161
3.285 6,840
3.234 6,536
3.181 6,246
3.129 5,971
3.076 5,710
3.023 5,461
2.970 5,225
2.917 5,000
2.864 4,786
2.810 4,583
2.757 4,389
2.704 4,204
2.651 4,028
2.598 3,861
2.545 3,701
2.493 3,549
2.441 3,404
2.389 3,266
2.337 3,134
2.286 3,008
2.236 2,888
2.186 2,773
2.137 2,663
2.087 2,559
2.039 2,459
1.991 2,363
1.944 2,272
1.898 2,184
1.852 2,101
1.807 2,021
1.763 1,944
1.719 1,871
1.677 1,801
1.635 1,734
1.594 1,670
1.553 1,609
1.513 1,550
1.474 1,493
1.436 1,439
1.399 1,387
1.363 1,337
1.327 1,290
3/16 in.
MEASURE TO TOP
OF WELD COUPLING
FOR PROPER
INSERTION
(SEE TABLE 44)
COOLER
63
VOLTAGE
TEMP RESISTANCE
DROP
(C) (Ohms)
(V)
60 1.291 1,244
61 1.258 1,200
62 1.225 1,158
63 1.192 1,118
64 1.160 1,079
65 1.129 1,041
66 1.099 1,006
67 1.069
68 1.040
69 1.012
70 0.984
71 0.949
72 0.920
73 0.892
74 0.865
75 0.838
76 0.813
77 0.789
78 0.765
79 0.743
80 0.722
81 0.702
82 0.683
83 0.665
84 0.648
85 0.632
86 0.617
87 0.603
88 0.590
89 0.577
90 0.566
91 0.555
92 0.545
93 0.535
94 0.525
95 0.515
96 0.506
97 0.496
98 0.486
99 0.476
100 0.466
101 0.454
102 0.442
103 0.429
104 0.416
105 0.401
106 0.386
107 0.370
THERMISTOR WELL
X
971
938
906
876
836
805
775
747
719
693
669
645
623
602
583
564
547
531
516
502
489
477
466
456
446
436
427
419
410
402
393
385
376
367
357
346
335
324
312
299
285