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Hi I have got adouble storey house. I have moved into the house this year. My Fujitsu ducted air conditioner is not cooling well. I think the blowers are too slow. My model number is AOT60RPAGT. Cooling in downstairs is ok but upstairs in the bedrooms it is not good. When I put my hand close to the vents I can feel a bit of cold air but I think the blower is too slow. I have selected blower speed to max on the control panel but still it doesn't work satisfactory. Please advise. Thanks

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Posted on Jan 02, 2017

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SOURCE: No air flow upstairs

Cold air is denser than hot air, so is harder to move. All vents have some mechanism to regulate flow, so close all of the downstairs vents. Check to see if your furnace fan motor has more than one speed, & set it on maximum. Keeping the fan on all the time will help as well. If all else fails, you may need a more powerful fan motor.

Posted on Jul 15, 2007

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bobotfel
  • 236 Answers

SOURCE: Unit/control panel completely dead

Check your circuit breaker, "off" and "on" the breaker it my be tripped off. If it wont work may be some fuse blown in the control, or the control itself may be defective.

Posted on Jan 28, 2008

  • 189 Answers

SOURCE: Hot Upstairs

A good heating guy should be able to balance your dampers to increase the airflow upstairs. Keep in mind heat rises. 2nd floors are the hardest to cool. You may need to add more returns to pull the heat down the the evaporator so it can be cooled. If you are lucky you may be able to adjust your blower up to a higher speed. You may have to even add some more supply airs. Check with your local building inspector. He may be able to give you a list of contractors in your area that would be good for this type of problem. Good luck>>>

Posted on Apr 03, 2009

  • 19 Answers

SOURCE: AC unit seems to be working normally but not cooling house

If you are referring to the secondary pan there could be a problem with your drain line.i would find the drain at the exterior of your home and **** it out with a wet vac..most A.H.Us have float switches or moisture sensors.They will shut down the unit if the drain clogs.

Posted on Jun 21, 2009

jumptrout51
  • 3361 Answers

SOURCE: Considering running a duct to cool upstairs of a

Your unit is sufficient to cool up to 1000 sq ft satisfactorily. You have a 2 ton unit. 500 feet per ton is standard.

Posted on Jul 09, 2009

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1 Answer

Carrier fb4bnb070


I know this thread is a little old but I thought the question has still been left unanswered. Tonnage is assumed. But, CFM and BTUs are exact.
If anybody wants to know the true size of their a/c or heating system you need to go where the engineers go.
http://www.ahrinet.org/Home.aspx

Consumers and contractors need to rethink their thinking when it comes to whole house heating and cooling... (Im from a hot humid area in the USA) Hot dry areas have other needs I won't.
ie... an air conditioner is no longer BTU's in a box. They have evolved into computers. computers that drive the blower motors, the expansion valves, the thermostat/controller can tell you the sub cooling, superheat, and the delta-t. Some tell you if the duct work is incorrect, static pressure against the blower. They are also not as forgiving if installed incorrectly.
Our industry is just catching on, but the consumer is untrustworthy when it comes to duct work and static pressure.
And in our high humidity market having high airflow with low static pressures removes far more humidity then a duct system installed over 10 years ago, Also, most homes lack proper return grille sizes, when the homeowner's desires are to put MERV 16 filters.
Here is a very useful link for duct and grille sizing.
http://efficientcomfort.net/Charts/Rules_and_Rules_of_Thumb_for_Duct_Systems.pdf


Carry on my friends,

P.S. a neat little read,

http://www.energyvanguard.com/blog-building-science-HERS-BPI/bid/55629/Why-Is-Air-Conditioner-Capacity-Measured-in-Tons

Apr 22, 2013 | Heating & Cooling

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Black flakes coming out


Likely the liner of the duct. Possibly a poor seem that is peeling up, possibly a rodent has gotten inside and chewed up some of the pieces. Either way, yes, more money. Possibly needs a duct cleaning, maybe some new duct, tough one. Best Wishes!!

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What is a-coil


It is the coil that is on top of or below your furnace that the freon flows through to cool your house when your ac is on. To locate it you need to follow the two copper lines that are going into the furnace, they are connected to the a-coil.

Feb 06, 2012 | Fujitsu Heating & Cooling

1 Answer

Our model is the ART30RLA ducted airconditioner and we are having problems with it. The problem is that it will not cool down, everything is running but it won't get cool. Could you please help us with...


To get proper cool, keep the tips as follows:
1. Check air filter is cleaned. 2. Check indoor coil is cleaned. 3. Checkindoor blower motor is working. 4. Keep in cool mode. 5. Set temp minimum 3degrees less than room temp.6.Check compressor is working with correctpressure.
Thanks. Helpful?

Jan 04, 2011 | Fujitsu Heating & Cooling

1 Answer

Our reverse cycle airconditioner is not cooling in two of our bedrooms, but the rest of the house seems to be cooling alright, but I am sorry the airconditioner is approximately 6-7 years old and we have...


Hi, I assume it is ducted, it could be either a flapper door is closed to shut off an area from receiving air, or there is a blockage in the duct (less likely). Also if there is more than one duct attached to the air conditioner then you'll have to check if air is entering all ducts (you may have a problem with the unit).

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1 Answer

Centeral air conditioner


If cool air is moving through the duct work,(feels cool or cold) and the area outside the duct work is warmer/hot, then you will get condensation forming on the duct work. Wrapping the duct work with insulation should lessen, or eliminate that.

Jul 10, 2010 | Heating & Cooling

1 Answer

Unit never used--won't cool


I would call and get a couple other estimates. If it has never been used, the compressor is probably not bad.

Oct 21, 2008 | Fujitsu 24C1 Air Conditioner

1 Answer

My blower motor doesn't blow air out the air ducts why


Friend,

Happy to assist you!
Perhaps a bad blower.
But sounds like low freon!
If freon is low unit will not go on!!!!!!
Could just be low or could be a leak!
Words alone will not remedy the situation!
Dop not wait to fix it next year!
The cost will be more then Bad Infaltion!!!!!!!!!

You need to call service !!!!!!!!!!!!!

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