Posted 5/15/2019 21:08 (#7499116 - in reply to #7498775) Subject: RE: Raven NH3 cooler troubles. On/off valve won't open.
Bethany, MO
With voltage at the signal wire, the valve should open. Looking at the cable connection with the groove at the top, the top left is ground, the top right is power and the bottom left is 12V signal.