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Maintenance
63RT-SVX19A-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 42 - Thermistor Resistance /
Temperature Chart
Temperature/resistance coefficient is
negative.
Temperature Resistance
(°C) (kOhms)
-21 103
-15 74 . 6 5
-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 7.3 3
35 6.528
38 5.824