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Carrier 38QRF036 Thermistor
In an HVAC system, a thermistor is a thermal resistor, whose rated resistance is directly proportioned to the amount of, or lack thereof, heat. They inform the heating and cooling system when the temperature in increasing or decreasing. The HVAC system interprets the temperature in several different areas to make a decision on what needs to be done.
Chief elements of an ailing thermister
- The blower fails in its attempt to ramp up to full speed
- The heating and AC system could possibly not operate depending on which is the damaged thermistor
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