RTHD and RTAC - Trane
RTHD and RTAC - Trane
RTHD and RTAC - Trane
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Is the sensor<br />
reading<br />
accurately?<br />
Temperature Sensor<br />
brighter. If it doesn’t get brighter, this may indicate a problem with the sensor or<br />
the connector. Take a close look at the connector to make sure that all four wires<br />
are securely in place. It may be necessary to remove the cap to check for broken<br />
or misplaced wires.<br />
If there is no problem found with the connector <strong>and</strong> the sensor will not bind,<br />
replace the sensor.<br />
All temperature sensors on <strong>RTAC</strong> units are in thermal wells. Cycle the chiller off<br />
prior to testing the sensor.<br />
1 Remove the sensor of concern from the well.<br />
2 Place the sensor, while still connected to the LLID bus, in an ice bath.<br />
3 Monitor the temperature on DynaView or TechView. The temperature should<br />
approach 32 F.<br />
4 If the sensor is bound correctly but doesn’t approach 32 ± 1 F, replace the<br />
sensor.<br />
If the temperature does approach 32 F, then re-install the sensor in the well<br />
with suitable heat transfer paste.<br />
RLC-SVD05A-EN 17
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