I'm trying to turn on my Sprinkler System, but can't seem to prevent water from coming out of the relief valve of my backflow preventer. I have a Watts RP Backflow system (see below):
Can someone provide me the proper valve sequence or instructions to get my system going? I read the thread 'Turning on Sprinklers in Spring', but still didn't have any luck. Now that the relief valve is open, is there something I need to do to 'reset' the system?
FYI, the 'sequence' as I understood it:
1. open valve before backflow device, close valve beyond backflow device
2. Slowly open the water source valve (inside the house)
3. Turn on zone 1 from control panel
4. Slowly open the valve beyond the backflow device