The Significance of the Terminals in a Furnace Appliance Video

Furnace Eac Terminals. PCBBF132S Goodman PCB 2 Stage Hybrid Furnace Control However the EAC and HUM terminals are blank on my circuit board, no way to connect to them If you want to use the HUM terminal to control the humidifier, you're going to have to use a step down transformer, to drop that down to 24VAC

C Terminal on Furnace r/hvacadvice
C Terminal on Furnace r/hvacadvice from www.reddit.com

The HUM terminals feed the 120VAC to primary side of the transformer, and the 24VAC goes to humidistat (Honeywell) and then to water valve. That will suffice for the humidifier, as they're most effective when hot air is involved.

C Terminal on Furnace r/hvacadvice

3704 posts · Joined 2008 Add to quote; Only show this user. I'm installing an Aprilaire 700 automatic humidifier on to a Goodman furnace Per the manual: The HUM terminal is a 24 VAC output, energized when the gas valve relay is operating during a call for heat

Carrier gas heating furnace no 24Vac Community Forums. It's likely a stupid question, but please bear with me I would wire the Yellow (Comm) to the 120v Hot/Line from the electric panel or furnace junction box

Wiring How to identify the C terminal on the HVAC Love & Improve Life. From all the posts I've read, I'm supposed to tie the transformer into the EAC or HUM terminal Whole-home humidifier instructions show simply wiring the transformer needed for the controller into the 120V "EAC" terminals on my furnace