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-   -   Nutone Ventilation fan blowing in reverse direction... (http://www.diychatroom.com/f18/nutone-ventilation-fan-blowing-reverse-direction-163065/)

smokyjoe 11-12-2012 10:26 AM

Nutone Ventilation fan blowing in reverse direction...
 
Hi All, the bathroom fan Nutone 8663RP is blowing air into the bathroom of our new home, instead of sucking the humidity out through the vent. Anyone know how to reverse the direction of the fan? Is it a simple maneuver? Thanks much,

Rochester, NY

gregzoll 11-12-2012 10:28 AM

Not a fan motor problem, most likely a clogged vent.

joed 11-12-2012 10:51 AM

Did it ever work? Did someone replace the fan motor? If they did they got the wrong one. Ventilation motors are not reversible.

J. V. 11-12-2012 12:05 PM

Might be installed upside down?

danpik 11-12-2012 04:31 PM

deleted.

dmxtothemax 11-12-2012 08:25 PM

Quote:

Originally Posted by smokyjoe (Post 1050301)
Hi All, the bathroom fan Nutone 8663RP is blowing air into the bathroom of our new home, instead of sucking the humidity out through the vent. Anyone know how to reverse the direction of the fan? Is it a simple maneuver? Thanks much,

Rochester, NY

Did it ever work correctly ?
If so what has happened recently to change that ?
You might be able to remove the blades,
and put them back in upside down !
Did someone take them out to clean them maybe ?

gregzoll 11-12-2012 08:28 PM

The Squirrel cage should only go in one way.

bobelectric 11-12-2012 10:02 PM

Plus the fan damper should be sucked shut.Maybe you have a fan motor that was assembled wrong.

Mr. Architetto 04-13-2014 08:31 AM

fan direction
 
Could someone draw or post a diagram of the assembly installed correctly?

I seem to have the same issue where the moisture seems to not be going into the attic and out of the restroom.

thanks much,

Mr.Architetto

k_buz 04-13-2014 08:53 AM

There is no way to change direction of a fan with a standard 120V exhaust fan. You either have a clogged vent, the flapper not opening properly, or the squirrel cage installed upside down.



You should start a new thread instead of posting in an existing one. It can get confusing to the people trying to help.

joed 04-13-2014 09:21 AM

It should not be blowing into the attic. It should blow outside. Blowing moist air into the attic will cause mould and rot problems.

ront02769 04-13-2014 09:21 AM

Quote:

Originally Posted by Mr. Architetto (Post 1336158)
Could someone draw or post a diagram of the assembly installed correctly?

I seem to have the same issue where the moisture seems to not be going into the attic and out of the restroom.

thanks much,

Mr.Architetto

Just google it. There are multiple u-tube videos plus detailed instructions. That said, it is in general a bad idea to vent the bathroom into the attic. Ron

Mr. Architetto 04-13-2014 09:39 AM

Quote:

Originally Posted by k_buz (Post 1336166)
There is no way to change direction of a fan with a standard 120V exhaust fan. You either have a clogged vent, the flapper not opening properly, or the squirrel cage installed upside down.



You should start a new thread instead of posting in an existing one. It can get confusing to the people trying to help.

I was able to figure it, thanks everyone for your assistance. The fan blades were facing downward facing the floor. As for the escape of the air I will end to have a duct pipe installed along with a roof vent/jack. The restroom did not previously have a exhaust fan of any kind. The window was only form present when I purchased the home. I've managed to repair the home issues slowly. Restroom being a priority because there was mold present so I since then have replaced the moldy drywall sheets and have cleaned the window frame with bleach, soap and water along with vinegar at separate instances. I have applied some killz to that area as well.

joed 04-13-2014 01:28 PM

Are you saying you reversed the fan blade on the shaft? That doesn't change the direction the air blows.

czars 04-13-2014 01:43 PM

Sounds like the fan motor was installed upside-down with the blades on the bottom. If he re-installed the motor with the fan blades on the top the fan would suck air up.


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