kek@hoxna.UUCP ( K. E. Kepple) (12/06/84)
<munch, munch>
I had a similar problem with furnace fan noise. The solution is to reduce
the speed of the air circulating fan. Most furnace fans have a multi-speed
capability. The desired speed is usually selected according to the way
it is wired. Mine has a terminal strip that allows connecting the AC to any
of several windings or combination of windings. The object is to be able
to move sufficient air for heat transfer while minimizing the noise.
Ken Kepple
AT&T-Bell Labs - Holmdel NJ 07733 201-949-6525 Cornet 8-233-6525
...!{hocda, ihnp4, floyd!vax135!ariel!houti!hogpc}!houxm!houxf!hoxna!kekwanttaja@ssc-vax.UUCP (Ronald J Wanttaja) (12/08/84)
> I had a similar problem with furnace fan noise. The solution is to reduce > the speed of the air circulating fan. Sounds like a good suggestion to me. Don't worry too much about less heat output- the instructions for our furnace state to ADJUST the fan speed until air of the specified temperature is exiting from the ducts. The slower fan speed allows the more heat to be transfered to the plenum air. One thing to be wary of, however, is overheating the plenum. Our furnace has an overtemperature cutoff, which pops a circuit breaker if the plenum temperature gets too high. We had that problem when we first moved in. The furnace would cycle just find holding a temperature, but if you moved the thermostat higher, the furnance would run for while, then pop the breaker when the plenum overheated. Thereafter, the furnace would cycle 2 min. on, 2 off, trying to get the house temperature up to the thermostat setting, with the overheat reset killing it as soon as the plenum heated up again. Once the plenum cooled and the breaker reset, it started over again. Ron Wanttaja (ssc-vax!wanttaja)
crg@druxo.UUCP (GenterCR) (12/12/84)
Remember that if you reduce the air flow on your furnace fan that a lot of heat that otherwise was going into your house is now going up the chimney.