I'm doing a first installation with an 100-HV-FF 24V ACRain Bird valve.I connected the wires to the C and 1 connector to serve zone 1. I populated the zone in the app. Because I want to test the system before I disassemble my previous I did not install the valve between the pipes. I click the "play" triangle in app home screen but I get no reaction from the valve. The solenoid is completely closed. I am using the 24V AC/AC adapter bought on your website.
Does the valve need water flowing through to work properly?