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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lemon-manuals.org.ua
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Ambient Temperature Sensor / Switch HVAC: Testing and Inspection
OUTSIDE TEMPERATURE SENSOR CHECKCheck that the internal resistance values of the outside temperature sensor are at the standard values when each sensor shows temperatures of
20 °C (68 °F) and 40 °C (104 °F).
Standard value:
20 °C (68 °F): Approx.
1,200 Ohms40 °C (104 °F): Approx.
500 Ohms
