Question about Heating & Cooling
I am looking for the wiring diagram for this blower. I purchased a used furnace with this on there, but it is not wired to a thermostat and I need the wiring scheme. Thanks, Jim
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Posted on Jan 02, 2017
Contact Dayton on the internet for this problem. The diagram should be available on their site. Or they will give you a number for customer care. They can give you step-by-step instructions. I am a technician and this is what I would do as their are millions of wiring diagrams. Many are noy up to date.
Posted on Dec 07, 2008
can you manually fire the unit w/o the thermostat by shorting 2 of the 3 wires, there may be more wires than that, but you should be able to fire it on 2 to 3 wires alone let me know it sounds like something is floating voltage wise on the unit
Posted on Oct 09, 2009
Red is power return to turn on heat
White is common power to both heat and cold
Blue is power return to turn on AC
You can get specific guidance on wiring at the Honeywell Website.
Posted on Aug 30, 2010
Tips for a great answer:
Dec 22, 2015 | Coleman Heating & Cooling
Apr 23, 2011 | Heating & Cooling
You need to find out if the problem is in the T-stat, T-stat wire or in the furnace you can do this in a few easy steps
Step 1- Unwire the low voltage from the furnace. Then turn the power back on and see if the blower comes on if it does then the problem is in the furnace and you will need to troubleshoot the furnace (see bottom of page for troubleshooting furnace) if it does not then proceed to step 2
Step 2- Wire the low voltage back up to the furnace (follow the wiring diagram below). And unwire the T-stat, make sure that no wires are touching each other, then turn the power back on to the furnace, if the blower starts then you have a short in the T-stat wire and you will need to pull a new wire. If it does not then proceed to step 3
Step 3- Turn the power back off at the furnace and wire the T-stat back up (follow the wiring diagram below). Turn the T-stat to auto heat 90 if the heat does not start but the blower just runs then you need to replace the T-stat.
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