Question about Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: air conditioner very loud and
Two things could be the problem.
The one you might be able to fix is a dirty outside coil. If you look at the outside portion of the airconditioner and notice the coil is plugged up with dirt and lint, all it needs is a good cleaning.
However, if the outside unit looks fine and the coil is not full of dirt, then the culprit will more than likely be a broken discharge valve on the compressor and this is a major repair not suited for the home-owner.
DO NOT run the air conditioner until it's repaired or more (and extensive) damage might occur.
Posted on Sep 18, 2008
Electronic filters use static dicharges to filter the air. Unfortunately the make that clicking noise when they discharge. LG calls it a plasma filter. Clean both the regular and the plasma filter to see if that helps.
Posted on Dec 30, 2008
You could have a stoppped up drain passage from the evap coil to the outside of the unit. OR it could be leaning too far inward not allowing the condesate to drain out. Check to make sure the unit is level, and if it is, then pull it out and clean it out. you can use a water hose, but be careful not to get the electronics wet. The passage is usually plastic or styrafoam an at the backside of the evap(inside)coil.
Posted on Jul 25, 2009
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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