Hi, i have a 450z model. it worked fine for a couple weeks but now it has a strange problem.
i set the desired room temperature of 66 degrees F and the machine set on cool.
however, the machine only pumps out cool air for a minute or so. then for another minute, it stops and only has the fan working. afterwards, it'll turn the cool air back on but again, only for a minute before turning on only the fan.
what is the problem and how can i solve it? i've already cleaned the air filters and adjusted the hose, frankly i'm out of ideas.
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Re: cooling on and off
Behind the filter there should be a small metal tube that senses the temp. entering the unit sometime this is too close to the metal fins and sense the cold from the fins and not the air coming in. Make sure this is away from the fins and try a different temp. setting.And relocating the unit. These units tend to give off more heat that cooling because the hot air is returned to the inside of the room and not vented outside like window units.This is an EdgeStar 12,000 BTU unit, correct?
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Hi Kate, When you press the button for your desired temperatre setting it will show this temp' say 17*c for a few seconds then it will revert back to showing the actual room temp' say 23*c, it should then cool the room down to what you set it at. hope this helps.
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.
After I have been reading up on your unit it appears that the thermostat is not operating correctly. I found this real basic information on installation for your unit. This link I am giving is pretty basic instal schematics. But seems to be something about your thermostat needs to be dialed in or is not working properly.
turning ac on,there are two switch on control panel of ac.find the thermostat control this signifies the room temperature you want,set this first to a maximum setting.another switch is for the motor compressor and fun motor.rotate the switch to fun first after a couple 15 second rotate again the switch to lo cool setting w8 for 10 to 15 sec. then rotae it again to hi cool there will be a sudden heavy change of blwing air and cooling effect then rotate set the thermosat switch to temperature comfortable to your feeling,observe the cycling process,because the compressor motor stop if the room temperature reached the set up temperature.stopping or switching off just rotate the switch of the compressor motor on off position.have a nice day fix my rate thank s a lot.
Hi, I'm new here but have the same model. Is your A/C new? Is your "Mode" set to "Cool" rather than "Fan"? Is the temperature set below room temperature? If not it will just run as fan. Lastly is your water reservoir full? Probably not the problem as the unit will shut off. Looks like you posted this a couple weeks ago, hope you figured it out.
Does the thermostat have a mercury bulb in it, if it does you need to level the thermostat.
When you take the cover off, on the sub base there should be a couple of marks or grooves
One on each side of thermostat, you need to take a level and loosen the screws on the sub base
And with the level completely level align those two marks with the level.
If you don’t have a mercury bulb, then your thermostat may need the heat anticipator adjusted, some you can adjust the bi-metal coil, but I haven’t done that, so I couldn‘t tell you how to do it, or you just have a bad thermostat.