Have HVAC Questions? Ask an HVAC Expert for Answers
What is the brand and the model of your new digital thermostat. I can get the manual on it and tell you how to check the anticipator setting.
Look in your manual and look under swing andthen look under calibration. Do what it says and let me know what reading you get
That will be fine. I have a dinner appointment with a customer tonight so it will be around 9 or 10 pm CST before I can get back with you unless you post between 5 and 5 pm
have a good day
Check the temperature rise across the furnace. Put a thermometer in the return duct and take a reading, then put the same thermometer in the supply duct and take a reading. Subtract the return reading from the supply reading and you get the rise across the furnace. The rise should be between 30 to 70 degrees. Tell me what the rise is.
Also, check the calibration of the thermostat in your manual. Do you see a box on the back wall of the compartment where the gas valve and burners are. If you do, unplug the furnace and take the cover off. You will see a round dial face. There are 3 setpoints on that dial, the first one is "fan off", the second is "fan on", the third is "high limit". Tell me what each setpoint is.
Tell me about the door you remove to make the furnace run correctly and not shut down. Is this the door on the front of the furnace where the controls are located?
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