Question about Sanyo STW1523H2 Thru-Wall/Window Air Conditioner

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I have a sanyo stw1523h2 unit. i have it set on low cool. it cools fine but every now and then it will start blowing out very hot heat. when it does i will cut it off and then cut it back on and it will cool fine. what would cause it problem? thanks

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Posted on Jan 02, 2017

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  • 334 Answers

SOURCE: Sanyo split high pressure side tube icing

ok, on these units, if by high side line you mean the small tube going from outside to inside, that tube is actually on the low side, the metering device is in the outdoor unit. If you shut the unit down, let everything thaw then restart and find that small tube is freezing up right at the outdoor unit right away, my guess is its low on charge. I see that you put some in, make sure it is the right knid of refrigerant. they do not hold alot. Where is your suction pressure running. If you put 2 to 3 pounds with no change, you may have overcharged but that is telling you that there is a restriction in the line inside the outdoor unit, probably the filter if it has one, or the metering device itself. Let me know what you find.

Posted on Jun 18, 2009

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SOURCE: I have RCS-2HS4E sanyo air

the icons are;
snowflake = cool
raindrop = dehumidification
fan-blade = fan
sun = heat
I am assuming that you have it on the snowflake,hope this helps Tim

Posted on Apr 27, 2011

  • 125 Answers

SOURCE: 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.
Hope this helps.

Posted on Sep 23, 2011

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