When in Heating, O Signal will and should be OFF
When in Cooling, O signal should be ON, since the O signal sends signal to energizes the 4 way valve
When Running Either Heating Or Cooling for Ecoer, What is the O signal doing? Print
Created by: Kevin Mena
Modified on: Tue, 27 Oct, 2020 at 12:48 PM
Did you find it helpful? Yes No
Send feedbackSorry we couldn't be helpful. Help us improve this article with your feedback.