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DeLonghi PAC-A130HPE Thermistor
In an HVAC system, a thermistor is a special kind of new age resistor that has a swinging resistance changes as it depends on temperature at its location. The heating and cooling system reads the temperature in a few critical areas to do its job as it should. They can tell the system control board when a certain temperature reaches a certain point.
Cues of a defective thermister
- The whole system could never start up due to any one inaccurate thermistor
- The main blower could refuse to begin to engage full speed
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