Question about Heating & Cooling
Heat will work then not come back on when set at lower temp,, example, if the house temp gets 68 but the thermostat is set for 70, it doesn't come one, after serveral attempts sometime the unit will come on. Service tech has been out twice still no reason found, all other items check out fine.
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Posted on Jan 02, 2017
the problem sounds like a defective capacitor its located on the condensing unit outside, also a contactor that is used can be defective also.
Posted on Jun 15, 2008
ok...where to start.lol ....the thermostat is just a switch.It will tell the unit to run or not run.if you measure the temp with the heatpump running,the air is warmer than 68 but it feels cool to you because your body is 98.6.The unit will run more often and for longer periods when the temperature drops outside for a few reasons.First,your house has more of a load to heat,meaning you have more heat loss because of the difference in temperatures outside and inside.Second,your heat pump pulls heat from the outside air.The colder the air outside,the less btu's for it to pull.If you have anymore questions firstname.lastname@example.org Hope this helps,Dave
Posted on Nov 11, 2008
SOURCE: Heat pump cycling on and off.
It sounds as if you you have a low charge of refrigerant, r22. When the unit comes on outside, the outdoor coils become the lowside, there is a low pressure switch that is tripping out contactor protecting the compressor.
Posted on Mar 11, 2009
undersized is just that...you and I got taken to the cleaners.but i did put an adjustable vent in the cod air return vent duct next to the floor...it helped mine but i say some installers should.....well you know
Posted on Aug 04, 2009
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