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Old 02-18-2010, 01:30 PM   #1
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heating going crazy



Here is a situation with my AC unit (fan outside the house). The average temp outside is 30 degrees. I keep temp inside the house at 74 degrees constant. I do not have any pre-programmed time schedule when temp should go up or down .. If I leave the house the temp drops top 61 and then the system turn on .. when I come back from work ..I set the time on 74 (hold on 74) and hold it for 14hrs …it takes couple of hrs to get from 61 to 74

The problem is that the fan outside the house seems to be working all the time ..it stops very rarely and sometimes there are some weird loud sounds (lasting no longer than 5 seconds) coming out of it ..
I observed that the furnace heats up the air and ..when the furnace stops working the fan keeps on going on pushes cold air from outside the house for some time..it does not get cold or anything but I think the …the temp drops and furnace goes back on …

Can you pls let me know whether there is something wrong with the system ?
I have the following brand

http://www.catalog.bryant.com/corp/details/0,2938,CLI1_DIV42_ETI8324,00.html

I have vents closed to my 2 other bedrooms (400sq ft each) and the space I heat up is living room, upstairs bedrooms and 2 bathrooms. The total space is (3 BR/2BA, 1850 sq feet)

Also the humidity in my house is 27% …which is a little too low . It looks like that model does not have a heating humidifier …it has cooling humidifier though ;-)
any idea how to increase it without investing thousands into new equipment ?

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Old 02-18-2010, 03:40 PM   #2
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heating going crazy


Could be a stuck contactor. Do you have electric aux heat. If so, using a set back like you are. Increses your heating bill.

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