Question about Dometic Rooftop RV Air Conditioner
Yes it is a sealed unit, and there are some refrigeration guys who can solder on valves and recharge, but make sure you get a quote first, as some charge as much as a new unit. That said, I'd be looking at evaporator coils/fins as well as condenser coils and fins for dirt and debris and give them a real good cleaning. I'm going to assume this is a ducted ceiling, so Make sure your getting flow through all those ducts, and check for how cool it is. Does it feel like cooler air coming out the ducts? Rule of thumb is 20 F difference between ambient and discharge should be normal. All that condensation tells me it's trying to cool but you may have a problem elsewhere, like plugged fins, or faulty ducting. If the flow coming out of ceiling ducts is not good and cool, try removing the ceiling assy and see if the discharge side is cool there, and check that the ducts in to the ceiling have no obstructions as well and are properly aligned.Let me know what you find. Make sure return air filter is clean as well and get a flashlight and look way up in the return area, at the fins for dust collected on fins etc. If you remove outside cover on roof, turn off breaker, and you can use a hose to spray down and a nylon brush to clean fins and coils at condenser. Watch for bees, or wasps when you remove that cover on the roof.
Posted on Jul 30, 2010
Testimonial: "Very helpful I did find the filter very dirty but cleaned that and still no cool air but I plan to check the intake area with flash light as suggested"
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Posted on Jan 02, 2017
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