Trane CVHE Troubleshooting Manual page 70

Table 15
Evap. Entering and Leaving Water Temp.
A1 Analog Input
Thermistor Accuracy = 0.54° ° F from 15 to 140° ° F
Type U Thermistor Temperature Versus Resistance and Terminal Voltage Table for a
pullup resistor of 24900 Ohms.
Used to sense temperatures at the following point:
1. Evap. Entering and Leaving Water Temp. Pair CVHE/F/G
Table 15
Temp ° ° F
Min Res
15.0 53738
20.0 46161
21.0 44791
22.0 43466
23.0 42183
24.0 40943
25.0 39742
26.0 38580
27.0 37455
28.0 36367
29.0 35312
30.0 34292
31.0 33304
32.0 32358
33.0 31448
34.0 30566
35.0 29713
36.0 28886
37.0 28086
38.0 27310
39.0 26559
40.0 25830
41.0 25125
42.0 124441
43.0 23778
44.0 23135
45.0 22512
CVHE-SB-32A
Max Res Min Vterm
55532 3.399
47678 3.231
46259 3.196
44886 3.162
43558 3.127
42273 3.092
41029 3.058
39826 3.022
38661 2.987
37534 2.952
36442 2.916
35386 2.881
34363 2.845
33365 2.810
32423 2.775
31511 2.740
30628 2.705
29773 2.671
28944 2.636
28142 2.601
27364 2.566
26611 2.532
25881 2.497
25174 2.463
24489 2.429
23824 2.395
23180 2.361
Max Vterm
3.441
3.274
3.240
3.206
3.171
3.137
3.102
3.067
3.032
2.997
2.962
2.926
2.891
2.855
2.820
2.785
2.750
2.715
2.681
2.646
2.611
2.577
2.542
2.508
2.473
2.439
2.405
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