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Thermostats i replace my thermostat that runs my heat pump, boiler, and central air. The heat pump should not run until it is below 40 but it is running along with the boiler

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  • Gary Davd
    Gary Davd May 11, 2010

    you have the wires wrong please post the wires you have connected.. make sure you have a 2 stage stat as well

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Check wiring

Posted on Mar 16, 2008


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How a Central Air Conditioning System Works
amn_howac.jpg


Facts:
  • The typical central air conditioning system is a split system, with an outdoor air conditioning, or "compressor bearing unit" and an indoor coil, which is usually installed on top of the furnace in the home.
  • Using electricity as its power source, the compressor pumps refrigerant through the system to gather heat and moisture from indoors and remove it from the home.
  • Heat and moisture are removed from the home when warm air from inside the home is blown over the cooled indoor coil. The heat in the air transfers to the coil, thereby "cooling" the air.
  • The heat that has transferred to the coil is then "pumped" to the exterior of the home, while the cooled air is pumped back inside, helping to maintain a comfortable indoor temperature.
  • Central air conditioning can also be provided through a package unit or a heat pump.

Benefits:
  • Indoor comfort during warm weather - Central air conditioning helps keep your home cool and reduces humidity levels.
  • Cleaner air - As your central air conditioning system draws air out of various rooms in the house through return air ducts, the air is pulled through an air filter, which removes airborne particles such as dust and lint. Sophisticated filters may remove microscopic pollutants, as well. The filtered air is then routed to air supply ductwork that carries it back to rooms.
  • Quieter operation - Because the compressor bearing unit is located outside the home, the indoor noise level from its operation is much lower than that of a free-standing air conditioning unit.





















ed.

Sep 10, 2008 | Amana Air Conditioners

1 Answer

Setting start temperature on central heating thermostat


It sounds like your heating system has to little capacity to heat the home properly. 21 degrees is a reasonable temperature to expect but if the unit is running all the time and can't reach 21 degrees the heater is too small.
As far as setting the thermostat here is a link to the instructions.
http://www.salus-controls.pl/data/product/attach/rt300rf_-_eng.pdf

Nov 22, 2013 | Air Conditioners

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I do not have a room thermostat connected to my oil fired central heating boiler. I want to install a wireless room thermostat to avoid having to run cable. how do i go about this and which is the best...


All wireless wall thermostats are Millivolt controlled. rather than having an 18 or 24 volt (transformer) wired wall thermostat. Before purchasing any wireless wall thermostat, you need to determine what your oil fired boiler requires for activation. My experience tells me, that it's going to require either 18 or 24 volts. In which case a wireless thermostat won't work.

Hope this helped you and thanks for choosing FixYa.

Aug 11, 2011 | Air Conditioners

1 Answer

Does the boiler thermostat control the heat of the radiators as well as the hot water temperature? Does the thermostat control the water temperature and the pump - as our pump seems to be on all the...


There should be a control called an aquastat that regulates the temperature of the boiler. The thermostat will turn on the circulator to start the flow of water through the radiators. If the water coming back from the radiators is very cold, a control will shut off the circulator until the boiler can come up to a predetermined temperature then start the flow of water again. If you have a tankless coil for domestic hot water, you now have a triple aquastat that maintains the temperature for domestic as well as the boiler temp. So yes the boiler thermostat (aquastat) does control the heat of the radiators and domestic hot water. No the pump is regulated by your house thermostat. You should take an amp draw on the boiler and componants to find out what is drawing more electricity than it should and popping your fuse.

Feb 19, 2011 | Air Conditioners

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Replacing a Coleman with a Duotherm, can the same thermostat and controls be used?


Hi, yes you can use the same thermostat if you are replacing the unit that has the same sequence of operation. What I mean is, if the old unit is a gas fired furnace and outdoor condenser split system for the a/c you can use the same controls, or if its a package unit. Now, if you are installing a heat-pump unit in place of a gas fired central unit, you will need to pull more stat wire and buy a heat-pump thermostat to make it run.
Shastalaker7
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When I turn the air on the heat strips comes on at the same time


Is this a central heat? From the size i assume it is.
You say air conditioning on part of your question then use heat pump on another part. So it is important for us both be on the same page.
With all due respect some people think they have a heat pump and it is just AC and electric heat also but is not a heat pump.
. If you have the outdoor AC unit running with your thermostat set for heat and the air coming off the out door unit is cold, or you see it "steam up outdoors" off the out door unit at times (we call this mode defrost).

If you actually have a Heat pump system some times it is wired to have the strips come on at the same time the heat pump comes on especially if you experience a lot of weather below 40' occasionally and have an emergency heat setting on your thermostat you most likely have a heat pump.

If you have a heat pump for sure now the heaters can come on with the outdoor section if
1 they are wired to do so or
2 the thermostat has 2 stage heating and the second stage is telling the elements to come on, or
3 the outdoor thermostat (if so equipped) is telling the elements to come on.
Any 1 or combination of these 3 items can cause the elements to come on wit the out door unit.

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Furnace runs on heat, air conditioner does not


If you have a Gas furnace in the Attic then the answer is yes. The outside condenser will not run if in fact you have a gas furnace.

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My new Amana compressor Central Air-Heat Pump hums very loudly


When it hums, is it running? Or does it not run when it hums? I'm assuming it runs when you say you have to turn the therm off to get the noise off.. If it's humming and not running, you have big problemo friend..

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I have a multifuel stove which runs my central heating system from its back boiler. When it gets really hot there is a loud clicking and knocking sound from the rear of the stove where the thermostatic...


That clicking and knocking noise you hear is called cavitation. It's when the bubbles of steam are cooled down rapidly and implode upon themselves. Cavitation is not a good thing to have in a boiler as it can cause dramas. This cavitation is more than likely because the boiler is firing too hot. A service technician should be called to turn the regulator down a little bit.

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