It can be difficult since in most RV air conditioning units, there aren’t areas to check the refrigerant places and you’ll need to install a line tap. Fortunately, it’s fairly easy to check with a Dometic RV, though this still depends on its model and make. When you have successfully opened your air conditioner casing, you can now start recharging it.īut before you add any refrigerant to the unit, use a refrigerant gauge to identify the levels you’re currently at. If you see any nests, hives, or insects in the unit, take safety precautions. This is normal especially when you own a rooftop air conditioning unit. If not, you can examine the unit’s exterior, checking for any clasps holding the casing.īe sure that you don’t break the air conditioning casing and that you do so carefully, watching out from insects entering your unit. Opening it up depends on your Domestic RV’s model and make, so you’ll need to check your owner’s manual. When your air conditioning unit receives no power, open up the unit. Double-check and make sure all is off, as this can be a safety concern and risk electrical shock! 3. Make sure that you switch off any breaker which supplies power to your air conditioning unit. You can find it using your owner’s instruction manual. Once you have gotten the correct refrigerant for your RV’s air conditioner, now’s the time to start adding refrigerant.įirst, locate your Dometic RV’s breaker panel. When selecting refrigerant, consider its quality, reputation, package, and budget. I do NOT recommend that you get just any type of refrigerant, as it differs depending not only on your RV brand but the model and make. If you’re still unsure of what refrigerant to by, you can also contact Dometic customer service or ask a specialist in your local store for help. You can see what kind of refrigerant the RV uses when reading the nameplate or you check it in the owner’s manual. Get Good Refrigerantīefore recharging your Dometic air condoner, identify the type of refrigerant the unit uses. While recharging a Dometic RV air conditioner is straightforward, it’s a bit more challenging compared to recharging a typical home air conditioning unit. How to Recharge a Dometic RV Air Conditioner How to Recharge a Dometic RV Air Conditioner.That way 100% of the cool air will be directed towards the bunk ends and the system will function as designed. So, the solution I've been meaning to try is to get some metal duct tape, fold it length wise and really seal up the return air side of the box. ![]() ![]() So, that blast of cool air from the other side of the airbox is likely hitting that wire probe for the thermostat and making it "think" that the room has cooled down sufficiently, therefore it shuts down the compressor. I'd bet you'll feel ice cold air there coming directly through the cracks from the cool side. Put your hand just inside the return air. Try this: Remove the filter and grill and then crank the ac up. ![]() I think there is enough positive pressure created in the cool side of the airbox that ice cold air gets pushed through the gaps directly back into the return air. Now that I have the airbox re-installed it has trouble keeping up during the day. I actually ran my AC for a couple of weeks off and on while I was working in the trailer without the airbox on and it made the trailer almost uncomfortably cold without it even on very hot afternoons in full sun. I think the airbox on my Dometic Brisk Air creates a lot of back pressure, since it forces a large volume of air through those two little vents.
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