|
Posted by Stormin Mormon on January 22, 2007, 9:02 am
I'd have to guess that a piece of metal has been flexed by the
energy application of the fan blower. When the energy application
is reduced, the metal flexes (suddenly) to a more relaxed state.
--
Christopher A. Young
You can't shout down a troll.
You have to starve them.
.
> I have a new Lennox G61Mp-48C furnace. It is a 2-spped unit.
If it
> has been running at high speed and the thermostat has reached
it's
> setpoint, aand the motor is switching form high to low speed we
hear a
> bang much like ductwork flexing but it seems to be coming from
the
> furnace cabinet and not the ductwork. Ideas?
>
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap