Humidifiers and Dehumidifiers - HE225H8908 to Goodman GMP075-3

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ckaiser13
11-22-08, 07:49 PM
I have installed a Honeywell HE225 on to my HVAC system. Duct work went great, water line went great, but I am lost when it comes to the wiring. I have been searching through the posts but still do not feel confident. I installed the humidistat on the return side and would like to wire the humidifier directly to the furnace rather than a sail switch if at all possible. Any help would be much appreciated.

Thanks,

Chuck

Jay11J
11-22-08, 09:31 PM
On the control board, there is a "HUM" terminal on there.

Wire it up as drawn below.
http://img528.imageshack.us/img528/844/24humnorelayyf2.jpg
ckaiser13
11-23-08, 04:07 AM
Jay,

First, thanks for the quick reply.

Second, I have searched the control board a few times and can't locate a HUM terminal. Is it possible there is not one or am I simply missing it? Also, on the drawing you provided, is that all low voltage wiring or am I tapping into 120V somewhere?

Jay11J
11-23-08, 06:21 AM
Here is the manual. (http://site.famousparts.com/goodman/PDF/IO-137.pdf)


The info is on page 24. But, when I looked at the wire diagram, it shows nothing.... Guess it don't have it on your furnace.. So the sail switch and transformer will have to be used.