Maintenance – Trane Voyager 1 Rooftop Unit TSD User Manual
Page 65
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Maintenance
65
RT-SVX20A-E4
Zone Temperature Sensor (ZTS) Test
Note:These procedures are not for
programmable or digital models
and are conducted with the Zone
Sensor
Module electrically removed from
the system.
Test 1
Zone Temperature Thermistor
(ZTEMP)
This component is tested by
measuring the resistance between
terminals 1 and 2 on the Zone
Temperature Sensor.
Table 55 - Thermistor Resistance /
Temperature Chart
Temperature/resistance coefficient is
negative.
Temperature
Resistance
(°C)
(kOhms)
-21
103
-15
74.65
-9
54.66
-7
46.94
-4
40.4
-1
34.85
2
30.18
4
26.22
7
22.85
10
19.96
13
17.47
16
15.33
18
13.49
21
11.89
24
10.5
27
9.297
29
8.247
32
7.33
35
6.528
38
5.824
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