Furnace blower speed

01-20-2013, 12:33 PM	#1
junoir Newbie   Join Date: Jan 2013 Posts: 1	Furnace blower speed where do I find furnace blower speed on a 75.000 80%

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01-20-2013, 12:53 PM	#2
HVAC1000 Experienced HVAC Tech   Join Date: Dec 2012 Location: Northern Colorado Posts: 164	Furnace blower speed Quote: Originally Posted by junoir where do I find furnace blower speed on a 75.000 80% Need more info like model and serial number and brand. It may have a variable speed blower which is more complicated to change the speed on

01-20-2013, 12:56 PM	#3
how Member   Join Date: Feb 2011 Location: Vancouver BC Posts: 1,413	Furnace blower speed You need to check the motor's designation to confirm which blower motor you have and which speed tap is currently being used.

01-20-2013, 01:13 PM	#4
HVAC1000 Experienced HVAC Tech   Join Date: Dec 2012 Location: Northern Colorado Posts: 164	Furnace blower speed How many wires come from it,vwhat color are they and where do they connect to the control board?

01-20-2013, 02:04 PM	#5
yuri Hvac Pro   Join Date: Nov 2008 Location: Winnipeg, Canada Posts: 6,635	Furnace blower speed wiring diagram __________________ "Cut it twice and it is still too short". To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

01-21-2013, 11:15 AM	#6
diyorpay Member   Join Date: Sep 2010 Posts: 440	Furnace blower speed Wiring diagram often on back of blower door panel. Multiple 'taps' are color coded wires that can be swapped to change speeds. Highest usually for A/C etc.

01-21-2013, 06:12 PM	#7
ben's plumbing Member   Join Date: Oct 2011 Location: pa Posts: 3,199	Furnace blower speed alot of blower speeds are found on control board...why do you ask...don't just change speed...will effect tempeture rise of furnace which can damage heat exchanger ...so why do you want to change speeds?????? ben sr