Question about Dometic Rooftop RV Air Conditioner

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Where do i find the top cover for rv roof air conditioner. mfg. 1987 INTRTHERM INC. model POLARIS model # AVCA-014ARA-H the old plactic grile broke

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Coleman RV air conditioner

It is not leaking. that is the condendensation it is pulling out of the air. It is suppose to leak on the roof and off the camper.

Posted on Jan 05, 2008

motor1258
  • 6674 Answers

SOURCE: roof gasket on rv a/c

Try not to compress gasket past 1/2 it's original thickness. Most of the factory ones have tabs that stick down, and supposedly when they touch the roof, it's far enough, which is about same as 1/2. I use my cordless with the torque setting on it, at about 2-3 until I see how far that draws down, then increase/decrease as needed from there.Once i feel it's 1/2 way, I torque all at same setting on drill to make sure all equal.

Posted on Aug 15, 2008

  • 82 Answers

SOURCE: coleman tsr rv air conditioner leaks into rv when running

It probably has a clogged condensate drain. Take off the cover on top the RV and check hoses or tubes leaving unit for debris or lint. Often this water is used to help cool the condenser so look for leaves pine needles etc in the pan. There may be a cover you can remove on the evaporator section that will allow you to clean the collection pan and hose or trough. Is it possible the RV is far enough out of level that the condensate can't "run uphill"? Always power off while working on this unit unless you are electric savvy. Good luck!

Posted on Jun 28, 2009

motor1258
  • 6674 Answers

SOURCE: My roof top RV air conditioner is dripping water inside my RV

Check run-of on roof & see if it's been reduced lately, it may just be a plugged drain at base of unit on roof.

Posted on Jul 29, 2009

co7196
  • 3433 Answers

SOURCE: Roof Top air conditioner makes too much noise

Hello; Those roof tops can be noisy. Are you able to determine what is causing it? The fan? The A/C pump? Over tume, the vibration isolators that are rubber cushions the pump is mounted on, get weathered and hard and they no longer absorb the vibrations of the running pump. Those are easily chked and changed. The next point of excessive noise is the unit as a whole is tranmitting the combination of all the vibrating parts including its own housing. Here too we have a remedy. The roof unit has a seal between it and the camper roof around the hole it is fitted in. The seal is foam rubber and reasonably thick enougth to serve a purpose more than to seal out water and air. After and over time this seal ends up crushed from the weight of the a/c unit. Then the A/c unit comes in contact and is actually resting on yhe roof with what is now a very flat hard gaske. The roof unit is now vibrating the roof. This is as destructive as it is annoying. Ok? Now let's get rid of 80-90% of the noise. Check and replace compressor vibration isolator mounts. There are 4 bolts holding down the A/C unit. Sccess them from the inside by removing the ceiling trim and cover.There should be one on each corner. Bolts removed, one person push up on the unit and another on top lifting the unit. There are wires going to the unit and those may need to be disconnected. Clean the roof and the a/c where yhe seal goes.You can get a new seal from camping world or rv supply. Have your measurements, Unit make and model when you go.Assembly is just backtracking. On assembly, thinhs to pay attention to are:
Put the new seal on the A/C unit, not on the roof. It takes two people to ligft and set the unit back into the hole and center it in the hole. Don't slide it on the seal. lift it if it hs to be moved or the seal may roll over..
The wiring disconnected earlier must be dealt with and put in place for reconnecting.
Now start the bolts that hold the unit down.
Make sure-- Unit is centered
Wires can be reconnected
The four hold down bolts have their washers.
Someone go topside and verify the seal is properly in place. Measureing the for corners fo even height is one way to ck and looking under the unit is another. Now tighten the four bolts evenly. corner to cross corner. measuring again will help confirn its pulled down evenly. Pull it down no more than 1/4 to 5/16 of the seal thickness. Wire it up and put the trim and plastics back on and light it off. (run it and ck for noise and vibration. NOTE!!! The A/C unit cannot touch any solid part of the roof. Reason it was centered. Always ck the unit before each trip as you would any other psrts on the exterior of the camper. Good Luck Angie.

Posted on Sep 16, 2009

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