Question about Goodman GMS90703BXA Heater

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The heat works perfect but when I call for air it does not do anything

The air condition does not come on when I turn it to ac the heat works great
is this common?

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Make sure that the thermostat is on Cool and that the outdoor electrical disconnect is on. If you still do not get cooling, there may be a fuse that needs replacing or other issues.

Posted on Jun 03, 2008

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The heatpump blows out air ok but no heat?


You are probably going to have to call a Hi Vac repair as your freon is probably too low to operate your Heat Pump properly. The only difference between the Air condition side and the heat side is a reversing valve that takes the heat produced by the Air Conditioning (cold) side and sends it into your house and exhaust the cold air out side. If the pump cannot produce heat from the expansion and compression of the freon, then no heat. You may also want to check that the pump is running as it is protected by two large BUSS fuses on the AC power to the heat pump and if any one or both of those fuses are blown, then no power to the Heat Pump. There should be an 8 inch square box mounted on a wall next to the heat pump that supplies 220V to the pump.

May 17, 2011 | Heaters

Tip

Underfloor Radiant Heating works great with a Geothermal Heat Pump


Radiant floor heating has been the standard for comfort and efficiency for many years. The feeling of having a warm floor under your bare feet is priceless. Rolling on the floor while playing with your children or grandchildren is great when it is cold outside and the floor is pleasantly warm.

Geothermal Heat Pumps usually are associated with hot air heating and air conditioning systems. If you live in a climate that very seldom needs air conditioning, then you need to concentrate more on the heating. There is a super way to use geothermal technology to give you very efficient and comfortable heating. Underfloor radiant heating can very easily be incorporated with a geothermal heat pump to give you the best of both comfort and efficiency.

Here are some thing’s that you do have to consider before deciding on a system like this.
You will need to drill a few wells to extract the heat from the ground.
Piping must be installed in the wells correctly for the system to work properly.
You will need a heat pump designed for hot water heating.
You can not use a heat pump that is designed for hot air use and convert it for radiant heating.
The radiant heat design must be designed to use water temperatures that are cooler than that of many radiant heat systems.
The maximum temperature design should be 130 degrees F.
To get this kind of design to work correctly for you, you will need to use good quality heat plates and insulated under the heat plates.
By following these guidelines I have designed a number of radiant heating systems that have proven to heat houses very comfortably at temperatures well below zero.

If you decide on installing this type of system make sure that your installer knows exactly what they are doing. This type of system requires many things to be done exactly right, so that the water flows will allow the system to work correctly. The piping on the well side is extremely critical so that it uses all the wells equally. On the house side the piped using a primary/secondary piping scheme. Pumps and pipe sizes need to be able to give you very high flow rates so that the temperature drop is kept to ten degrees or less. When working with these low temperatures the piping and pumping becomes so much more critical.

By using these principles you can combine two very great heating types and can have a very good heating system that will perform very well for many years. The main drawback with this type of system is that you do not have the ability to get much cooling from this system. This is probably the only drawback of this type of system. It would be wondeful if there was a geothermal unit that was heating only. The elimination of the reversing valve would be a great cost savings and a plus overall. This system is best suited for cooler climates that require little or no air conditioning.

on Dec 05, 2009 | Heaters

Tip

Geothermal Heat Pumps And Radiant Heating - An Absolutely Fabulous Combination


Geothermal Heat Pumps are usually associated with hot air heating and air conditioning. In climates that very seldom need air conditioning you need to concentrate more on heating. There is a very good way to use geothermal technology for very efficient and comfortable heating. Radiant floor heating can very easily be combined with a geothermal heat pump to give both comfort and efficiency.

Radiant floor heating has been the comfort and efficiency standard for many years. The feeling of a warm floor under your feet is priceless. Romping on the floor while playing with the children is great when the snow is blowing and the floor is pleasantly warm.

Geothermal heating has also been known for it's efficiency also. The drawback to hot air geothermal heating has been the air temperatures that are cooler than normal hot air heating systems. By combining the two types of systems you can have very comfortable heat and efficiency at the same time.

There are something’s that you do have to take into consideration before deciding on a system like this.
You will have to drill a few wells to extract the heat from the ground. The piping must be installing in the wells correctly for the system to work properly. The heat pump needs to be designed for hot water heating. You can not use a heat pump designed for hot air use and make it work for radiant heating. The radiant heat design must be figured to use water temperatures that are cooler than many radiant heat systems. A maximum temperature design should be 130 degrees F. To get this kind of design to work correctly you will have to use good quality heat plates and insulated under the heat plates. By following these guidelines I have designed systems that have heated houses very comfortably at temperatures well below zero.

If you decide to install this type of system make sure that the installer knows exactly what they are doing. This type of system requires many things to be done exactly right so that the water flows will allow the system to work correctly. The piping on the well side is very critical that it uses all the wells equally. On the house side the piping must be primary/secondary. Pumps and pipe sizes must be able to give very high flow rates so that temperature drop is kept to ten degrees or less. When working with such low temperature the piping and pumping becomes so much more critical.

By using these principles to combine two very great heating types you can have a very good heating system that perform very well for many years. The only other factor with this type of system is that you don not have the ability to get cooling from the system. That is probably the only drawback of this type of system. It would be great if there was a geothermal unit made that was heating only. The elimination of the reversing valve would be a cost savings and a plus overall. This system is best suited for cooler climates that require little or no air conditioning.

on Dec 04, 2009 | Heaters

1 Answer

Furnace won't start or air condition only fan


Since you have fan operation,via fan on position, your high and low voltages are present. I would take the thernostat face off and jumper red to white for heat, if it works , the tstat is bad, same with red to yellow, if AC outside comes on.

Apr 18, 2010 | Goodman GMS80903BNA Heater

1 Answer

New thermostat..have heat but not A/C help....


What are you setting the thermostat to when you turn on the AC , if you turn on the AC and the house is warm you will need to turn the AC down to a lower setting before the the AC will start up.

Mar 14, 2010 | Honeywell Electronic Programmable...

1 Answer

Ac problem


Turn the thermostat off to see if the unit turns off. If it
does than you must have had a call for heating or cooling.

Put into heating mode let unit turn on, lower the setpoint and unit should turn off. If unit is not heating
than you have a problem with the outdoor unit.

Putinto cooling mode, turn thermostat all the way down, let unit start turn thermostat all the way up
if unit shuts off, unit is operating properly

Feb 06, 2010 | Heaters

1 Answer

Hi Proper way on wiring furnace.


I can give you a start, For heat only, R terminal on furnace to Red wire to R or RH terminal on thermostat. W terminal to White wire to W terminal on thermostat. G terminal to Green wire to G terminal on thermostat. This will get you heat but not air conditioning.

Jan 06, 2010 | Goodman Heaters

2 Answers

Honeywell RTH230B works on AC not on Heat


check wiring to furnace check wire hook ups on board match letters and colors sometimes installer use what ever wiring they chose on letters

Oct 16, 2009 | Honeywell Electronic Programmable...

3 Answers

Air conditioning won't work. Thermostat says it's in 'recovery mode'


by the outside unit, you will have a shutoff. pull out the shutoff, and unscrew the cover. 2 cylinder like fuses are inside. It is likely that one or both are bad. When you turn on the AC and the outside fan does not turn on... this is likely this is the solution.

Apr 28, 2009 | Honeywell Electronic Programmable...

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