Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
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Ambient Temperature Sensor / Switch HVAC: Testing and Inspection
Inside Air Temperature Sensor InspectionMeasure resistance between each connector terminal with an ohmmeter.
If resistance is incorrect, replace inside air temperature sensor with new one.
Inside air temperature sensor resistance
2.2 ± 0.07 k Ohms at 25 °C (77 °F)
