Trane ComfortLink 4TWZ0024A1000A - Page 11

11
Temp
°F
Temp
°C
THERMISTOR
RESISTANCE
(OHMS)
Volts DC at plug
J6 & J7 Only
(pin to pin)
0 -17.8 83247 3.29
5 -15.0 71108 3.11
10 -12.2 60916 2.93
15 -9.4 52333 2.74
20 -6.7 45076 2.55
25 -3.9 38927 2.37
30 -1.1 33703 2.19
35 1.7 29253 2.02
40 4.4 25452 1.85
45 7.2 22198 1.70
50 10.0 19405 1.55
55 12.8 17002 1.41
60 15.6 14930 1.28
65 18.3 13138 1.17
70 21.1 11586 1.06
75 23.9 10238 0.96
80 26.7 9065 0.87
85 29.4 8043 0.78
90 32.2 7150 0.71
95 35.0 6368 0.64
100 37.8 5682 0.58
105 40.6 5079 0.53
110 43.3 4548 0.48
115 46.1 4079 0.43
120 48.9 3665 0.39
125 51.7 3298 0.35
130 54.4 2972 0.32
135 57.2 2683 0.29
140 60.0 2425 0.27
145 62.8 2195 0.24
150 65.6 1990 0.22
Ambient and Coil Sensors - J6, J7
TABLE 3
Temp
°F
Temp
°C
THERMISTOR
RESISTANCE (OHMS)
Volts DC at plug
J8 Only
(pin to pin)
50 10.0 19405 2.22
55 12.8 17002 2.06
60 15.6 14930 1.90
65 18.3 13138 1.75
70 21.1 11586 1.61
75 23.9 10238 1.48
80 26.7 9065 1.36
85 29.4 8043 1.24
90 32.2 7150 1.14
95 35.0 6368 1.04
100 37.8 5682 0.95
105 40.6 5079 0.86
110 43.3 4548 0.79
115 46.1 4079 0.72
120 48.9 3665 0.66
125 51.7 3298 0.60
Liquid Line Temperature Sensor - J8
TABLE 4
Liquid Line
Pressure Transducer
Ambient Sensor
Liquid Line
Temperature Sensor
Coil Sensor
Pressure
(PSIG)
Volts DC at plug J9
Test Point (+VP)
(to test point common)
30 0.66
60 0.83
90 1.00
120 1.18
150 1.35
180 1.52
210 1.69
240 1.86
270 2.03
300 2.21
330 2.38
360 2.55
390 2.72
420 2.89
450 3.06
480 3.23
510 3.41
540 3.58
570 3.75
600 3.92
630 4.09
660 4.26
Liquid Line
Pressure Transducer - J9
Voltage to pressure reference chart
TABLE 5