Question about Mastercool 67680 Evaporative Cooler Air Conditioner

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Temp air is not cool....water is running but it just feels like a huge ceiling fan.

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Before an evaporation cooler will feel "cool" there has to be a greater difference in the outdoor and indoor temps and/or humidity. If the humidity is high and the temp cool < 80'f The "cool" wont feel cool because there is not much evaporation taking place.

Now if the temp goes to 90 or the humidity goes down under say 40% the cooling effect "feeling cool" will change and be more like its cooling. Part because of the difference in the temperature but also because the air can hold more humidity and it is pulling moisture off your skin.

When you talk about "feel" it is rather suggestive and always different for different people.

Posted on May 05, 2009

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Posted on Jan 02, 2017

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My Jeep cherokee fan motor run,when ignition switch is off,but does not run when engine is running.why?


the fans are there to cool the engine but once you stop the car the temperature is not being cooled by movement of air and water circulation via the water pump so the fan cuts in for a short time to stop the temperatures causing damage. when driving the air cools the motor enough to keep it a t the right temp no air movement no cooling.

Sep 19, 2014 | Cars & Trucks

3 Answers

I HAVE DONE EVERYTHING FROM ENGINE HEAD CHECK PRESSURE TEST RADIATOR REPLACEMENT, THERMASTAT REPLACEMENT, WATERPUMP REPLACEMENT. THE COOLING FANS KICK IN, AND THE CAR STILL RUNS HOT ...WHAT'S NEXT?


ok , but no engine stated. which one>??
hot = lying dash gauge or real hand held pyro IR gun? a $20 tool.
did the scan tool ECT reading show too hot, Yes/no.

no new cap, really?
is the cam timed right?
is the spark timed right.?
is the ECU stuck in limphome mode? (huge heat to cylinder walls)
thermostat not upside down.
or thermostat not with bleed hole up hill trapping air below
making it lie and the dash gauge lie too, (the gauge can not measure air, period)

id not do squat with no IR gun. not me. its super accurate too.
and dirt cheap and saves burned hands,
and finds clogged rad tubes saving useless $250 new rad.
one tool. use it. and win.


i this this dang I6 engine, that loves to trap air?
had 3,now, over 500k miles on them. 1988 to present.
and never overheated but once, pin hole in heater core hose
ran bypass and drove home.
i have a 08 wrangler 6sp, 3.8L v6 , nice rig. easy to fix too.

there are 2 parts. (3 really)
engine make too much heat, (limphome or timed wrong)
air in system.
cooling system.

the rad pressure test pass and the green/blue test passes

no water in engine oil
no oil or carbon seen in the engine coolant , all places look.

how hot, ??????
200f
260F
280F"?
numbers matter, in all ofscience. they talk to you.
at what exact temp did the fans, kick in,?
the FSM shows you this, and how to do that. how to make sure the
fans kick in happen, RIGHT. some are 2 staged with A/C.
not just kick. (when)

Aug 29, 2014 | 1997 Jeep Grand Cherokee

1 Answer

I moved into a place that has a MasterCool Evaporative Cooler on the roof. The ownstairs is quite comfortable so I really only need to cool the 2nd story.... it seems as if all the cold air settles...


jbrown - Hot air rises, Cold air falls. If you have ceiling fans upstairs, turn them on to run counterclockwise at highest speed you can stand. Make sure all the windows are closed upstairs. The ceiling fans will help to keep the cool air upstairs and pull some from downstairs.

If you don't have ceiling fans, invest in a box type fan that you can place at the head of the stairs (that's the top of the stairs) run it on HIGH and it will act like an exhaust fan, by pulling cool air upstairs. It may take a while, but it will help cool the upstairs to some degree.

Hope this helped you. Please let me know. Thanks.

Jun 24, 2011 | Mastercool 67471 Evaporative Cooler Air...

2 Answers

Why there are 02 fans near radiator? What are the purposes? One is working and one is not.


Hi and welcome to FixYa I am Kelly.
You have 2 fans because one is the temperature controlled radiator fan that only runs when the engine water temp is above 160 deg. F. The water termperature controlled fan can run even with the ignition key OFF should the Engine water temp be too hot.
The 2nd fan is for your Air-Conditioner that should run when the cabin temp is set low enough for the Air-Conditioner compressor to run. This fan should run anytime the Air-Conditoner is switched on.
If your experiencing engine over heat problems when driving slow or sitting idle most likely the fan switch that is switched on by water temperature has failed. The fan switch controls a fan relay and if the relay fails the fan will not run. In this particular model there is a cooling fan module that controls the fan.

Read this link but DO NOT click on any links from that webpage: (They do not work)
http://www.fixautopartz.com/2009/03/20/2003-mitsubishi-outlander-engine-cooling-system

Thanks for choosing FixYa,
Kelly

Apr 09, 2011 | 2003 Mitsubishi Outlander

3 Answers

I have a 2003 chevy impala. just changed the thermastat because the temperature was fluxuating. Since changing the thermastat the temperature gage constantly read in the red, however the coolant level...


You probably need to bleed the cooling system properly.

Open the cooling system bleeder screws.

Slowly fill the cooling system with a 50/50 coolant mixture until coolant runs freely out of bleeder screws.
Close the cooling system bleeder screws
Install the coolant pressure cap
Start the engine.
Run the engine at 2,000 - 2,500 RPM until the engine reaches normal operating temperature. (midway on gauge)
Allow the engine to idle for 3 minutes.
Shut the engine off.
Allow the engine to completely cool.
Top off the coolant as necessary.
Run engine again at 2000 - 2500 RPM until the engine reaches normal operating temperature.
Allow engine to idle until cooling fans come on. It should come on with the gauge about 3/4 of the way to red. - if it gets to where is touches the red, shut down immediately.
When the fan comes on, put your hand behind the fan and observe the temperature of the air coming from the fan. It should feel hot. If it is blowing cold air, the coolant is not circulating through the radiator like it should. This could be caused by lots of things including an improper/defective thermostat, corroded water pump impeller, or a blown head gasket.

Dec 02, 2010 | 2003 Chevrolet Impala

3 Answers

Clockwise, counterclockwise which is the summer setting?


Ceiling Fan Direction These recommendations depend actually on the height and size of the room; the season; and the activity taking place in the room.

The basic fact of nature is that warm air rises to the top and cold air settles on the bottom. Air settles in layers from warm at the top to cold at the bottom, if left alone at equilibrium.

Ceiling fan recommendations:

In the winter
Set the fan to run counterclockwise (reverse; this looks clockwise as you are looking up). This will redirect the warm air from the ceiling and down the walls and into the living space where the people actually are. In a house, you would run the fan at a low speed so that you don't actually cool the warm air that you are moving downward. If you have a high ceiling, or are trying to heat a hall or a church, you may want to increase the fan speed so that the warm air will reach the living space as long as the fan speed does not create an unwanted downdraft at the people below. In the summer
In a room of normal height (8 - 10 ft), you should operate your fan so that it turns clockwise (this looks counterclockwise as you are looking up), causing a more directed downdraft, especially with the fan running slightly faster. This causes a wind-chill effect because the skin evaporates slight amounts of water from the sweat glands and thereby provides cooling through the skin's surface. However, the air is only moved but not cooled! You may find that you can turn your thermostat down a degree or two and save more money on energy costs. The air blowing down won't actually cool the room though, so you should turn the fan off when there are no people (or animals) in the room. In a high hall or church
It may be best NOT to run the fans at all in summer. This lowers the demand for cooling since the hot layer on top is an excellent insulation between the cool air near the floor (and the people) and the hot roof and outside.

A large, tall manufacturing hall would typically have different goals. There one would have a floor full of heat producing machinery plus the people operating it, working hard and welcoming a bit of a breeze. Then it would make sense to run the fans at fairly high speed to create a certain and directed downdraft. And with the shifts going throughout the days of the week, the fans should be running all the time and maybe in all seasons.

Finally, fans typically use 80-100 watts. When used properly, ceiling fans can really help to optimize the comfort level of the people and save energy and money.

Good Luck and please rate 4 thumbs up for the free answer

Jun 13, 2010 | Hampton Bay 13087 70450 Carousel II...

1 Answer

Will not cool. Fan runs, have cleaned coil.


The compressor may not be starting. Put your forehead against the nmachine when youturn it on or plug it in, You will feel the vibration of the pump. If it is not coming on, you may need a technician to what determine why it is not working.

Nov 17, 2009 | Beverage-Air MT27 Beverage Cooler...

1 Answer

My A/C (Carrier weathermaker 8000 hybrid) is not cooling properly


set the t-stat low and let it run for 5 minutes , stick a thermometer in the return air closest to the unit as possible until you get a good reading , then stick the thermometer in the cold air supply again closest to the indoor unit as possible let sit until it stops going down in temp.
this is called your temp difference and it should be atleast a 14deg. F difference from in to out. if its lower you have a refrigerant problem, Let me know how it goes.
Phil

Jun 10, 2009 | Heating & Cooling

1 Answer

UNIT RUNS AN EXCESSIVE AMOUNT OF TIME AND AIR IS COOL NOT COLD COMING OUT OF VENTS CARRIER 58DLA / 58DLX CENTRAL AC FAN AND COMPRESSOR ARE OPERATING BLOWER IS WORKING UNIT IS TURNED ON TO AC TEMP SET AT 76...


DOES THE HOUSE FEEL DRIER IF IT IS 80 OUTSIDE WITH ALOT OF HUMIDITY THE UNIT WILL RUN FOR A LONG TIME TO REMOVE THE MOISTURE(HUMIDITY) OUT OF THE HOUSE BEFORE TEMP DROPS DRAMATICALLY IS THERE WATER COMING OUT OF THE DRAIN PIPE OUTSIDE

May 03, 2009 | Carrier Heating & Cooling

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