Question about Heating & Cooling
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Posted on Jan 02, 2017
It sounds as if warm outside air is being drawn back into the room when the unit is not actively cooling. Portable units depend on room air to carry the heat outside, & therefore will not work properly if the room is too airtight. Provide a makeup air passage by leaving the door slightly open, & see if this helps. Use a room thermometer to see if your desired temperature is being reached. Note that if the wind is strong & coming from the wrong direction, it may not be possible to prevent warm air drawback.
Posted on Jul 18, 2007
You need to call for for a qualified technician oil residue is a sign that your unit have leaking, your unit is out of refrigerant.
Posted on Dec 31, 2007
SOURCE: My CV-13NH portable type room
If its blowing air, but not cold, the compressor isn't engaging. There are many different possibilities on this.
Bad compressor, unit out of gas, bad run capacitor, etc, all could cause this, even a bad control panel.
Hope its something simple.
Posted on Aug 18, 2008
insufficient cooling have several reason,most common factor is low freon charging due to service factor,defective thermostat control,dirty evaporator and condenser fin,try to check the current rating using ammeter clamp tester if the rated current read in tester below the rated current on tag(compressor)
you need to charge freon,if the fin and evaporator is dirty need to ve clean,if the thermostat is not functioning replace thermostat.
also consider the main defective if the aircon is running chck the compressor if it is running by touching the tip of screw driver to the top body of compressor you can feeel vibration,if compressor is not running yo don't have cooling effect only blowing of air.on repairing this this should be done by a certified aircon technician,have a nice day fix my rate,thank you very much.
Posted on May 14, 2010
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