Question about Samsung AS18A6RB Air Conditioner

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Humidity I have a split system that was installed to help control the humidity in my partially below grade piano studio.  I have had the service people come out on numerous occasions because there is no humidity being pulled from the air.  In fact, the air conditioner makes it far worse.  I have to run two dehumidifiers to bring down the humidity and then have to turn on the a/c because of the heat they produce.  Not a drop of moisture is flowing from the outside tube.  (It did pull humidity to some extent the first year, but not since) The company who installed the unit says that is how it is supposed to work.  Can anyone solve this problem?  I won't install in the rest of my house as I don't need to aggravation.  Diane Cooke

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  • ikouf Nov 09, 2008

    I have an LG 18000btu split type wall mounted airconditioner. The problem is that suddenly it stopped dehumidifying. For the first 8 months it would drop humidity steadily to below 25-30% and a lot of water (several lt) would flow from the external drain daily. This happened with internal temperature ranging from +17C to +29C in heat/cool/dehumidify settings. Now with internal temperature between +19 and +24 it does nothing and not a single drop flows from the drain. Humidity is stuck at 75-85% and the ac has no effect no matter what the settings. LG and certified technician (after 2 visits) claim the AC is working as supposed and that if I want dehumidifying I should buy a separate appliance (!). The covered area (ac centrally located) is between 20 and 100 sq meters, and it does not make any difference whether I try to operate it in small or large room area. Any suggestions?

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Square footage of the studio should give the size of the air conditioner necessary to remove the moisture from the air. In order to remove the moisture the unit a/c has to operate with the coil temperature below the dew point of the air. If the air conditioner is to large for the job it will not run in the cooling mode long enough to remove moisture.

Posted on May 09, 2008

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Posted on Jan 02, 2017

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Hello We just installed a Sanyo KHS1271 mini-split


The condensate drain line was not properly installed. Make them pull the wall unit and correct the problem.
Be persistant until you are satisfied they have the problem corrected. Do not pay any additional money. If they do not correct the problem then report them online to the state board of heating and air. Fill out their requested complaint form and follow thru with a second complaint if you do not get total satisfaction from the contractor that installed the unit.
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If these items helped would you please grade me accordingly. Thank you and GOOD LUCK.

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