Question about Mastercool 67680 Evaporative Cooler Air Conditioner

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Hi my Bonair Evaporative Cool is blowing hot air and the pads are dry,how can i fix it.

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Am assuming it is full of water, so you need to check to make sure the pump screen is not clogged up. make sure and unplug the unit before working on it. after checking the screen/filter, leave on panel off, plug it in and turn it on, look to see if you have any busted hoses that are leaking. if all seems ok, then you have a bad pump or switch.

Posted on Feb 03, 2010

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Posted on Jan 02, 2017

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My breezair evaporative cooling can not cool.


Maybe you're expecting too much. Evaporative cooling doesn't work really well. It's function depends on evaporating a lot of water into the air. If the air in your room doesn't have a really low humidity (really dry air), then evaporation can slow way down or even stop regardless of how fast the fan is blowing.

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I have an evaporative cooler: vulcan bonaire. the only control buttons which appear to be useful are: on/off, cool in the 'appliance' window, and cool in the 'mode' window. i have a feeling that this is...


Hi and welcome to FixYa. The principle of operation of an evaporative cooler is to provide cooler air via evaporation. The evaporation process is achieved by water being pumped over very porous pads with air is drawn through the pads. Most all evaporative coolers unless connected with a centralized heat / cool system only have an on / off & cool function. "On" is fan only (air circulation while using outside air being drawn into the home) and "cool" turns on the pump to pump water over the pads for evaporative cooling. Hopefully I did not confuse you with my answer.

Happy New Year and thanks for choosing FixYa,

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Ive got a mildewy smell coming from my evaporative cooler how do i get rid of it?


This unit needs to be serviced. Try replacing the pads with the sponge like pads.Drain the old water and clean up the pan and pump area. Go down to a pool supply store and buy some chlorine tablets and add to the water. In fact, they make these tablets just for the evaporator units. There are 3 states to water, solid, liquid and gas,
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I know there are not that many sites--very few--that cover the informational guidance on the maintenance and technical difficulties of evaporative coolers, and so I feel compelled to share with you this very good, but rare, handyman site that does:

http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Home_Improvement_Zone_Cooling_Ventilation_Systems_Coolers.htm

As you'll see, the link above has a section dedicated to evaporative coolers.

As to your specific problem of your cooler's blowing hot air, yes, the humidity is listed as one of six (6) possible causes of this cooler problem. To find out whether the other five causes are applicable to your situation, here is the direct link to the diagnostic article on hot-blowing coolers:

http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Home_Improvement_Zone_Cooling_Ventilation_Systems_Coolers_Cooler_Does_Not_Blow_Cool_Air.htm

You should be able to review this article, and, one by one, determine what causes listed therein are not affecting your cooler in order to ultimately end up with one remaining listed cause that is the likeliest cause of your cooler's failure to blow cool air into your house.

This should help.

Good luck!

Brad

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If there is strong air flow blowing into the house the sq. cage should be OK. Possibly you need to replace the pads and make sure that the pump is not clogged and is distributing enough water to keep the pads wet.

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Sometimes there is a separate switch to turn on the water pump. No water=no cooling. Check to make sure the cooling pads are wet! If they are completely wet and the fan is blowing it should cool.

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