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Possible Aprilaire 8446 Non-Programmable Heat Pump Thermostat Problem?

My Aprilaire 8446 Non-Programmable Heat Pump Thermostat has Air Cleaning on the screen for the first time today. What is "Air Cleaning"? I don't what triggered as it isn't a programmed mode. Is it something bad like something is jammed in my air ducts? Thanks.

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ACTECH
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SOURCE: intertherm heat pump

FIRST YOUR OUTSIDE UNIT PROVIDES HEAT BY USING A REVERSING VALVE TO CHANGE THE REFRIGERANT FLOW.THERE IS NO HEAT STRIPS OUTSIDE SECOND YOUR EMERGENCY HEAT TURNS ON ELECTRIC ELEMENTS INSIDE YOUR AIRHANDLER UNIT.IT SOUNDS LIKE SOMEONE HAS WIRED YOUR UNIT WRONG OR HAS THE THERMOSTAT SET IMPROPERLY.WHEN THE HEAT PUMP CANNOT SATTISFY THE SETPOINT THE THERMOSTAT IS SUPPOSED TO TURN ON YOUR ELEC. HEAT UNTILL THE LOAD HAS BEEN REACHED AND THE HEAT PUMP CAN CONTINUE TO MAINTAIN IT.

Posted on Nov 29, 2007

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SOURCE: is ruud heat pump model upka-042jaz a single or multiple stage pump?

I NEED THE MAKE AND MODEL OF THE T-STAT TO HELP YOU
DID HE CHANGE ANY WIRING?

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SOURCE: problem with furnace, air but no heat

the hot serface igniter may nead to be replaced again . if the is a lack of air
[ have this checked} getting to and frome the furnace it may be causing the furnace to cycle off the burner duing call for heat. it recycles back on and off untill the thermostat is saticfied. this means you are reusing the igniter more often the once a call for heat . therefore shorening it life expectancy.. make shure you are not blocking the air flows with over filtering ..whitch i have found to be the most common mistake . this and not changing or cleaning air filters often enough.

Posted on Oct 20, 2008

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SOURCE: Changed out a Honeywell Thermostat with an Aprilaire Thermostat

The smell is usually dust on the wires for electric resistance heat.The thermostat shouldnt have anything to do with it.

Posted on Nov 20, 2008

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SOURCE: Hunter thermastat, model 44860 not working

Is the compressor running? is the outside unit clean and free from debris? does this unit work in the heating mode during the winter, and is it still capable of that now.

Posted on Jun 02, 2009

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