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Posted by Zyp on November 22, 2008, 2:50 am
ftwhd@home.com wrote:
> On Tue, 18 Nov 2008 18:39:11 -0800 (PST), Sdraeger
>> My furnace seems to blow really high all the time, it is a Bryant
>> 397haw036080 and I was wondering if there was a way to set the blower
>> down lower. Or if anyone knows where to find the service manual that
>> would be great as well.
>> Thanks!
> 1. Look at the data plate and see what the temp rise is supposed to
> be. Normally 45-75F.
> 2. Take the supply temp and subtract it from the return temp. This
> is the temp rise.
> If the temp rise is low the blower is too fast. If the temp rise is
> high the blower speed is too low.
> Black = high speed
> Red = low speed
> yellow and blue are med low and med high.
> white is common.
> Change the speed tap on the circuit board to get the desired temp
> rise.
PS: Don't let the factory smoke out neither.
--
Zyp
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> 397haw036080 and I was wondering if there was a way to set the blower
> down lower. Or if anyone knows where to find the service manual that
> would be great as well.
> Thank