Question about Coleman Propane Forced Air Heater w/Electronic Ignition (50,000-80,000 BTU)

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Attaching air conditioner to Coleman 7900 series furnace

I also am wondering the same thing. It says if you add a coil you can have cool air (or something like that). One day I was standing near a vent and cool air was coming out much to my surprise.

It only happened once, and got me snooping around and reading stickers on the thing.

It would be great if it could be an air conditioner too. I just can't figure out how to do that. HELP

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Posted on Jan 02, 2017

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SOURCE: Furnace not cycling properly.

you might want to check the filter, if the filter is restricting the airflow the furnace will over heat and it will shut down. if you turn it off and on it will reset it and it will try again. Pull the filter out half way and try that, if it runs fine then clean the filter or get a less restrictive one.

Posted on Feb 11, 2009

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SOURCE: my coleman 7900 furnace blower cycles on and off

I would look at fan limit switch. They are normally located in electrical cotrol compartment. If your are lucky you will have one thats adjustable. It would helpful if I knew is your home a mobile or modular home as they usually use a button type limit on fan and hi limit. It sounds to me like you may be having problems with fan limit which controls temp. that fan comes on . Often what happens is that switch scenses temp to turn on and then draws cold enough air on return air to shut back down until temp.rises again.If this occurs when unit first comes on or continues after burner shuts off you can get a limit switch with a higher temperature rating or one that has adjustable temperature range. Hope this helps you.Thanks.

Posted on Nov 06, 2010

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Hi,

Here is a tip about troubleshooting your air conditioner...
There are many things that can cause your air conditioner not to cool…

Air Conditioner Trouble - Review the Possibilities

heatman101

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