Replacement for Honeywell Furnace Fan Control Circuit Board ST9120C2002
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Are you still using the old part? You should be able to locate
You should find the dip switch settings on the inside of the access cover, along with the wiring schematic. As far as I know, they are also in the Control Panel package that comes with it. When I installed mine, I did not have to change them. Thank you. I hope this was helpful.
As a direct replacement, this was what I needed. It is a very simple process to unplug the old wires and re-plug the new ones.
As mentioned earlier, I installed the board on my York gaspack to repair my a/c this spring. The heat function is also controlled by it, which starts the combustion blower and brings on
Selected User Reviews For Replacement for Honeywell Furnace Fan Control Circuit Board ST9120C2002
In the same manner as the old board, the new one plugged directly into the power supply. Upon comparing the two boards, I found that the old board has a green integrated LED light to use for diagnostics. However, it basically just indicates if the board is faulty internally & this was the only difference I noticed. Although the replacement does not have an LED, I think it is just plain silly to use one for a diagnosis of this basic level, so it is not missed at all. By the way, I am a professional HVAC technician (22 years experience at this point), and I have an important tip for professionals and businesses Getting rid of the plastic cover won't harm the board in any way. Neither 120v nor 240v appears to be a problem with this board The low voltage regulation (control) must be 24 volts ac when operating with 240v units.
I am glad that I found this particular part at a price that was much lower than what I would have paid through other retailers.
Using my own repair capability, I was able to get the unit up and running. Delivery within a short period of time.
Shipping was fast, the instructions were confusing at first but I figured things out later, so it all works now.
Compared to the original board, it seemed to be a suitable direct replacement.
It took a little longer to arrive, but it was worth waiting for. There are no holes on this board which correspond to the anchor holes of the clip, unlike the original. It only took me a few minutes to cut off two tabs on the cover.
The price was great, the shipping was fast, and the problem was solved!.