I'm want to replace all 4 of my old noisy Broan bathroom fans. All the ceilings are finished and unfortunately I have no access from above. The existing fans have 8.5"x8.5" frames mounted to 2 x 8 or bigger joists and all ducting probably 3". I've looked at the PDF installation for the Panasonic WhisperFit and the fan seems to be designed for my situation. Just wondering though if you would have other considerations and recommendations. Thanks
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Hi -- I just spent a couple of days taking out the old assembly, cleaning all the parts (layers of dust coats) and putting the 9093N back in order to fix the noisy fan. The cold air coming back in is from to the heating and I'd guess the heating element is busted. Yes, you can run it in both airflow modes: ceiling air exhaust and hot air blown to the floor. That said, the noise level on mine hasn't gone down. So I'll look for the replacement assembly. Good luck!
Sounds like a loose wire inside the unit.
But, I would try this.
With the power off, both switch and circuit breaker, try and bend the center contact for the light bulb out; pull it out away from the back of the socket. This may be the bad contact. The center contact on the bulb touches this in order to get power up into the bulb.
Using a small screw driver, try and scrape the surface of this contact to clean it a bit.
DO ALL OF THIS WITH THE POWER OFF!!!
Hope this helps.
First turn the power to the fan OFF. Take it down from the ceiling by removing the screws holding the cover on. Then remove the screws holding it to the ceiling. Then unscrew the screw caps that twist (connect) the wires from fan motor to the house wiring. Do a general clean up on the fan. Use an old paint brush to get in the hard to get at places. Rotate the fan by hand. If it does not rotate freely, put some oil on the shaft where it goes into the motor, and put some on where the shaft comes out the back. If it still does not rotate freely, buy a replacement and install it.
If you are not very handy I don't think I'd tackle this project. There's going to be drywall cutting, backing to install, attic crawling, wiring, ducting to attach, proper insulating. As an electrician I've done this sort of thing in between 1 and 2 hours, depending on how smooth things go. If you find somebody you trust that's done it before who is willing do to it on the side for cash you're looking at $25-$60 for labor. Is it worth it to you?