I have a Coleman TSR in my 1991 Itasca Class C. I do not have instructions. I have 5 blower settings. The last 2 are for the a/c fan, low & high.. What are the 1st 3 for? Are any for pulling in fresh outside air? I've noticed the 3rd one, pointing straight up, blows harder that the 1st 2.
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COLEMAN R.V. PRODUCTS
GO TO rvcomfort.com
Click on RVP (RV PRODUCTS)
Click on type of AC, if you can’t find the information you want there,
then click on contact us on the Green Bar.
You can get Service Support or Email address and Phone numbers.
The smell is because of the stuff growing inthe water from the air conditioner. When you run the a/c it keeps the water condensed on the coil. When you turn the a/c off and run just the fan, it allows the water to warm up and start evaporating thus allowing the goodies in the water to become airborn. It would be adviseable to have the unit disassembled and cleaned by a professional due to the obvious danger of mixing water and cleaning chemicals with electrical equipment
I don't think you need a new one just a good cleaning and service. The unit has a liquid high temperature line near the compressor with a fan blowing outside air across it this coil gets clogged over time with air-borne dirt and pollen and leaves and such and must be cleaned regularly or the unit will be unable to remove the heat from the coil and during the peak demand (3pm) the circuits that protect the compressor and the trailer wiring from being overloaded and burning or melting will trip. From what you have described it sounds like the RV is working as it should with a condenser coil that needs to be cleaned. GL and happy camping! P.S. I've only serviced the occasional RV unit but in those cases I laid a piece of plywood on top of the Rv for work platform removed the retaining screws from the top cover and used a spray bottle with a good heavy foaming cleaner a shop-vac and a brush to get the job done.
the fan motor bearings need lub....the shaft has a tiny access hole to put some oil into. because the fan shaft is slowing down, it is putting more strain on the voltage current, and eventually the internal breaker shuts down the ac........plus your condenser is not getting enough air accross it, compressor heats up, and it too will shut the unit down......older units have to be oiled every year, and eventually it too will fail, and a new blower motor assembly is needed or replace the ac unit.....blower motor units are around $130....now you install it or pay to have it done at around another $150 labor,,,,,try yourself, if it fails then call the tech........let me know ..ray..firstname.lastname@example.org