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Whole house fan does not draw air

Everything seems to work, fan moves hi and lo, but it does not have any draw of air. I can stand right underneath it on hi and it won't even move a piece of paper on my hand. I had a whole house fan in my last house and it really caused the air to move in the house. What should I do?

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Capacitor is worned out so pl change the condensor and u ll find the difference out lot of air moving around u

Posted on Jul 31, 2008

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Hi my Therma-Stor is not working, the motor makes a humming noise but does not move. Do you no what could be wrong with it? Thanks


Check that the fan blade is not binding on the inner surface of the fan housing preventing rotation. If the blade is free to turn, then it is likely a motor or motor-capacitor issue. Call Therma-Stor service for help diagnosing this problem and for service parts 1-800-533-7533.

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MY HUNTER ORIGINAL RUNS THRU AN ORDINARY WALL SWITCH. IT HAS HI AND LO SPEEDS ON THE HOUSING, BUT EVEN LO SPEED IS A BIT TOO FAST AT TIMES... HOW CAN I CONTROL THE SPEED THRU FULL RANGE... A RHEOSTAT...


Jim,

You have a special fan there. Hunter Originals are my specialty.

There are two ways to accomplish a slower speed with this fan.

1. A wall variable speed control, solid state, rated for 3 or more amps, regular fan controls will not work as your fan draws 2.5amps on high, not even new ones that are labeled for the Original.

2. Retrofit the fan to make it a three speed. If you're good with wiring, it's really simple. What you need is, a standard 3 speed pull chain switch, not a double pole one like cheaper/new fans have that use capacitor speed control, we are using cap. speed control, but not the same way they do. So you want an "SP3T" switch. You also need an 9 10 or 11 or 12 MFD capacitor (depending on how fast you want your low to be 8 is 20rpm, 11 is 75 approximately). You will remove the switch cap to your fan, and you will find your switch has a black, blue and red wire connected to it. Remove all wires, attach the black to L on your new switch, attach blue to 1, then you need 2 extra pieces of wire. Stick one wire in 2 and the second wire in 3. Now, get your capacitor and hook one side of it to the red wire and position 2, then hook the other side to the wire you put in position three.

Remember to get the Single pole switch for non capacitor speed control fans, if you get the double pole, both winding sets in your fan will be activated, which will draw double current and burn your motor out.

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Also, are you aware that your fan uses oil (like an engine) ? and is not permanently lubricated?

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I just installed a Hunter five minute fan which says it is called the augusta. I have also installed several other hunter fans in my house through the years, and they seem to move extremely fast especially...


Speed is not a factor in moving air. You can move air with a little fan that runs real fast or you can move the same amount of air with a big fan that moves slow.

It is the pitch of the blades that moves air. Big blades with steep pitch moving slow are comparable to little blades with shallow pitch that move fast.

It seems to me someone is trying to baffel you with bull**** when they tell you CFM = watts or something similar.

The real question is, is the fan moving the air necessary to achieve the result you desire? If yes, speed is not really a factor.

Let me know if this helps you.

a

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We do not know how to turn the whole house fan on. Does it work through the thermostat on the walll for the air- heat switch?


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Tightened the belt, lubed the fan and it seemed to work intermitantly.... Still ahving ussues..
aaaarg!

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HE220A1019 Whole House Humidifier


Is the unit on the return side or the supply side of your system ?
Is the system upflow or downflow?
You are right in your assumption about the air needing to be drawn through the Humidifier, now before changing the direction of the motor, we need to look at if the unit should be moved to the other duct, its alot less complicated, now when the fan comes on from the furnace, you have no trouble heating the house right ? if that is the case then moving the humidifier to the other duct would be your best bet, if your heating for some reason is only comming out of the return then yes you will need to change direction on the fan, but I would bet that moving it would do the trick for ya, I have only run into a couple of fans that actually were running the wrong way, thats why I asked, well anyways, you will need some tin, zip screws, tin snips, maybe a little more wire, let me know what ya find, I really appriciate your question back to me, anymore question please ask ! thanks again.
mr.grzz

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