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04-30-2012, 11:08 AM
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#1 |
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Senior Member
Join Date: Aug 2009
Location: Northern VA
Posts: 321
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I'm Dorothy in Kansas and the Twister is here
Well NOT really but.............................
My daughter has a 5 room plus 2 bathroom townhome on a slab. The heater /AC unit is in the attic and the air supply vents are in the ceiling. There are also 2 return vents in the ceiling - one at the top of the stairs and one at the bottom of the stairs around the corner. When the blower is on I feel like the twister in the Wizard of Oz is just outside the door. Its noisy and its alot of air moving about. We have dimmer control lights, 3 speed ceiling fans and I have a 'variable speed' blower in my home - but you need to be an electronics engineer (or the HVAC guy that has been schooled on the system) to adjust it ...... http://www.gwac.com/variable-speed-blower-motor So my question is ... is there some kind of speed control that I can wire directly to the blower power wires to 'turn it down a notch" that doesn't require me to donate a kidney or an arm and a leg or replace the motor? Something like this would be great (but I know that this is for a smaller application): http://www.amazon.com/Electronics-Va.../dp/B000F9B712
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Ken -- 2002 4Runner -- 2004 S2000 Because you NEVER have enough room ......... See my Trailer and Hitch Thread  Customer Service - its rare, but it should be the "norm". Last edited by CitadelBlue; 04-30-2012 at 01:45 PM. |
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04-30-2012, 02:09 PM
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#2 |
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Senior Member
Join Date: Jan 2010
Location: Jaffrey, NH
Posts: 4,821
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Re: I'm Dorothy in Kansas and the Twister is here
Condo, own or rent?
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My name is Peter, and I'm never going to grow up. 30 x 60, oops, 30 x 72 (it got larger!) with a Rotary 10K lift. http://www.peterhipson.com AM General H1 NA Wagon (95) AM General H1 Turbo Wagon (99) Dodge Ram 2500 Hemi Saab Turbo Convertible VW Cabriolet |
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04-30-2012, 04:46 PM
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#3 |
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Senior Member
Join Date: Aug 2009
Location: Northern VA
Posts: 321
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Re: I'm Dorothy in Kansas and the Twister is here
Townhouse ...own
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Ken -- 2002 4Runner -- 2004 S2000 Because you NEVER have enough room ......... See my Trailer and Hitch Thread Customer Service - its rare, but it should be the "norm". |
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04-30-2012, 07:26 PM
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#4 |
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Senior Member
Join Date: Sep 2008
Location: KC Metro, Kansas
Posts: 5,766
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Re: I'm Dorothy in Kansas and the Twister is here
See if there are multiple speed taps on the motor.
Are the filters missing on the return vents? Reducing blower speeds may reduce airflow and cause the AC coil to freeze up. Find the nameplate on the unit and Google for an installation manual.
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Faster, Better, Cheaper: Pick Two The FairTax Follow the Money. -72chevy Yes, I am insensitive and yes, not politically correct, and yes, Im sure I offended someone,... -Busted_Knuckles (Me too, plus I am old, tired, and grumpy!) Read "The Marching Morons" Here "Works" <> Safe, Good, or Right "You can't fix stupid." -Ron White |
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05-01-2012, 01:28 PM
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#5 |
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Senior Member
Join Date: Jan 2010
Location: Jaffrey, NH
Posts: 4,821
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Re: I'm Dorothy in Kansas and the Twister is here
Can you find out what kind of motor it is? Induction, capacitor start, capacitor start-capicator run, or what? I suspect your option will be a (new) multi-speed motor, which I'm sure Grainger (or another supply house) would have.
__________________
My name is Peter, and I'm never going to grow up. 30 x 60, oops, 30 x 72 (it got larger!) with a Rotary 10K lift. http://www.peterhipson.com AM General H1 NA Wagon (95) AM General H1 Turbo Wagon (99) Dodge Ram 2500 Hemi Saab Turbo Convertible VW Cabriolet |
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05-01-2012, 01:42 PM
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#6 |
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Senior Member
Join Date: Jun 2007
Location: North Texas
Posts: 557
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Re: I'm Dorothy in Kansas and the Twister is here
you could freeze up your coil if you lower the fan speed...
Your coil is designed to have so many cfm's of air accross it, and if you lower the speed you will affect the air flow. It would act like a real dirty filter. I'm not saying it "will happen" it's just an fyi to as what I have always heard.. I don't do a/c for a living, but I know coils will freeze with little airflow. |
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05-01-2012, 03:34 PM
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#7 |
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Banned
Join Date: Aug 2011
Location: Cincinnati, Ohio
Posts: 1,721
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Re: I'm Dorothy in Kansas and the Twister is here
I'm afraid to say that there's not a lot of inexpensive things you can do to quiet those systems down. You could have a professional air balancer come in to assess the situation. He could offer several options to your daughter. Sometimes, the best thing to do is to increase the size of the trunk duct as well as the branch ducts, which will increase the VOLUME of air, and decrease the VELOCITY of the air going thru the duct, thereby reducing the noise.
Just a thought...... |
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