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Does the evaporator coil HAVE to be removed to clean it or can I just spray it? It seems to be in adifferent location than the ones I see online. Mine is on the bottom and visible when I open intake

How to spray chemical to clean air conditioners evaporator coils. Do you HAVE to remove evaporator coil to clean it? I can see mine when I open the intake to change filter...The ones I see on utube all have the evaporator coils on top of unit. Can I just spray it from underneath since it's so accessible?

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The evaporator cannot be removed. To do so you would have to drain the freon. You can just spray it with a cleaner in any manner that you want.

Posted on Nov 25, 2013

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SOURCE: ac capillary tubes

Sounds like you have a clogged cap tube. Yes they should both be sweating, I would expect your low side pressure to be lower though unless it is real hot in the camper. You can replace the tube but make sure what goes in is the same diameter and length because that is all engineered for proper metering into the evaporator.

Posted on Jun 11, 2009

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SOURCE: I have a dometic Roof Top Rv Air Condtioner and

It freezes because of a lack of air flow ... and/or ... colmplicating ... high demand with high humidity.

Even worse is running the roof top with the door open in the summer (I see this all the time in the RV park where I work - I'm not saying you are doing this - but I see it all the time. What the heck, the typical transient camper is not paying for the electricity - let it run!)

I hope this helps you

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Posted on Dec 11, 2009

SOURCE: I need to clean the

Hello I feel your pain,no access.If the floor getting wet is NOT a problem you can blast it with a hose from the front side if there is more room it will wash through.I have taped a wire brush to a stick and CAREFULLY scrape up & down to remove lint.Otherwise I have made an access hole in the duct and patched it closed before, but it is SHARP and is to be done with care.

Posted on Sep 03, 2010

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SOURCE: What household chemical is best for cleaning air

Hello, the best thing to use is just plain old water and spray from the inside of the unit to out if this is a central air conditioner, there are coil cleaners that you can buy but are not really needed unless the coil is vety plugged. Here is a link to coil cleaners http://www.nucalgon.com/products/products_coil_cleaners.htm

Posted on Jul 16, 2011

  • 101 Answers

SOURCE: evaporator coil is cool only on bottom half

new comp. should be same spec.or you have leak,clog in the system

Posted on May 15, 2013

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Where do I get portable a/c freon charge?


In many cases a portable a/c unit does not need to be recharged. If it is not breathing correctly it will not work correctly. Try cleaning the filter. Use a shop vac to suck out any debris on both coils. (Evaporator coil inside the window and the condenser coil outside the window). If the vacuum cannot clean it thoroughly. Try using a non flammable cleaner in a spray bottle. (A solution of Simple Green will work). After spraying the coils down with the cleaner. Rinse "well" with plain water. Repeat the cleaning until all of the dirt is removed.

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I will tell you an easy way to find out. If your car is a v-8 or v-6 that is not FW drive. V-8 will be the third coil pack from the front on. V-6 will be the last one on the driver side. FW drive or not, if you are unsure. Put some water in a spray bottle and spray your exhaust manifolds on each cylinder. Do not spray the coil pack! Spray it while the car is running. The water should evaporate instantly. If the water does not evaporate on one of the cylinders on the manifold. That will be your bad coil pack above it.

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Machine sometimes makes a clicking sound. Removed front grill today and filter is very dusty and is stuck to the back. Replace filter or can it be cleaned? Other recommendations for servicing? We have...


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1 Answer

Model # 25372055201 When you turn on Air


Hello, clean the evaporator coil with a coil cleaner spray that you can buy at any heating and cooling store, if cleaning the coil does not help looks like the unit has a low refrigerant charge and will need to be recharged. A quick test you can do is measure the air entering the evaporator coil and leaving th evaporator with a thermometer, find the differance, it should be 15-20 degrees on a normal working ac. If it is below 15 the unit is umdercharged.

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1 Answer

DOESN'T SEEM TO BE COOLING VERY WELL


start by checking the air filter and clean if dirty, also I would recommnd spraying a coil cleaner on the evaporator coil and clean it. If the unit appears clean then most likely the unit has a leak and will need to be recharged with refrigerant.

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1 Answer

Water leaking into RV


If water is coming in through the filter grill, then your drain trough is clogged. Go up to, remove cowling, and flush trough drains out. That will take care of water getting inside. I like to use pipe cleaners and poke through drain holes on either side of the trough.

Excess water is also caused by poor air circulation and coils beginning to freeze up. All is well for a while, until the compressor finally turns off, then you turn fan off and water pours from above. So, while up top, also clean the coils of both the evaporator (located above and behind filter opening) as well as condenser. When cleaning evaporator, take care not to spray water into the inside of the coach. You should not need a special cleaning product unless the coils are very nasty, then use a non hazardous cleaner (you will get some on the carpet down below) such as Orange based. Also change your filter every 100 hours of the fan running (regardless of compressor) to minimize air flow restriction.

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I THINK THIS IS THE RIGHT MODEL. FREEZING UP. NEED TO FIND COILS.


The condenser coil is in the outdoor unit. Turn off the power. Take a garden hose without the nozzle. You want to use gentle pressure. Just simply using your thumb to control the spray. Spray the water up at an angle under the slanted lovers. use a generous amount of water. you should see the dirt coming our. You will have to take the cover off to clean that side of the coil. Be careful so you do not get the electrical controls wet when the door is off. The Evaporator coil is located in the supply air plenum downstream of the airflow. ( the top if its in a basement). You probably will need to open the ductwork.
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Possible causes are dirty filters, dirty condenser coil, dirty evaporator coil, or low referigerant charge. Any one of the conditions will affect heat transfer.

Check the filters in your indoor unit, If they seem to be clean and replaced on a regular basis, your evaporator coil is probably in good shape. Unfortunatley on some Weather King models even checking the evaporator coil is not possible due to the extensive amount of referigerent lines that block access to the coil without some major work including evacuating the refrigerant.

The most likely cause is a dirty outdoor condenser coil. On weather king models you will have to remove the casing that surrounds the coil because is is built in such a way that the condenser coil cannot be properly cleaned with the casing in place. Once it is removed make sure breaker is switched off and clean the coil with a water hose.

If your outdoor coil is not dirty then it is a refrigerent problem.


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