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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