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Heating system not working

We have just moved in to our rental house which has been empty for a while, it has a Vulcan cx heating/air conditioning system (reverse cycle I believe), we have tried unsucessfully to get the heating side working, all we can get is cold air blasting out of the vents.
We did ask someone to have a look, he said the pilot light had gone out and he re-lit it, the unit kicked into life and you could see the gas meter moving so gas was getting into the system, I left it running for a while but cannot get any hot air coming through. We have no instruction manual to work with and we are finding it rather cold, can you suggest anything we can do.
Thanks mattjcorp

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If your meter shows gas is flowing but you are getting no heat you may have a potentially serious problem. Since you are a renter, call your landlord or leasing agent today and tell him the situation. He should send a qualified technician to check your system.

Posted on Oct 01, 2008

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Posted on Jan 02, 2017

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How a Central Air Conditioning System Works

  • 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.
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You can add Air Conditioning to Your Hot Air Furnace

Air Conditioning is easier to add to an existing central hot air heating system then you might think. Both systems use air to move the heating or cooling to the different parts of the house. With the addition of a coil and condenser to your system you can stay nice and cool all summer long.

The easiest way to add in cooling to a system is to install a coil on top of the furnace supply air plenum. This can be accomplished by cutting open the supply duct just on top of the furnace and sliding the air conditioning coil right in on the top of the furnace. The only limitation usually is the height of the plenum. If there is not enough height there, then the coil may need to be installed on a horizontal run.

If the horizontal run option is needed then you will have to make sure that all of the air flow goes through the run. If all of the air does not go through that run, then the ones that do not go through will not cool nearly as effectively as the rest of the runs that go through the coil.

After placing the coil in the ductwork, the piping and electric will need to be run to the outdoor condenser unit. After wiring and piping the unit the refrigeration lines will need to be purged, and vacuumed. This will clean the lines and take the air out of them. Any air in the system will cause the system not to work properly.

When all of this work is done you will be ready to have great cooling. The whole process usually takes me less than a day to complete. Adding cooling to an existing system is a simple operation when it is done by someone that has done it many times. If you have a hot air central heating system without the benefit of cooling, then you should check into adding the cooling feature to your system. You will be glad you did when the hot weather rolls back around again.

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Here is a tip about troubleshooting your air conditioner...
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