David Spotts said: I use manual setting, low pressure switch off and stay between 0-250GPM while opening and closing valves, quick couplers around each greens, and sprinklers in high spots. Might take all day but never saw the rocket that was in previous post. Takes all day because I have no asst. or irrigation tech, etc but it's well worth the time.
I have 2 VFD's, and a 5hp jocky separate from the VFD's. About 100gpm. When I start pressuring up, just like Mr. Wallace says, read a magazine....when I get up to 30psi, I started bleeding out air with my hand held...I would rather see low pressure with multiple heads on. Then I start closing heads and building pressure. Takes from 45 mins to 1.5hrs... My jocky is a (Cycle-Stop) with a pressure tank for shock absorption. I have 2 (Danfous) VFD drives. One is the Master and the other is a Slave. They have Intel, which allows both of them to communicate with each other, so they can be more efficient. Installled it last year In House, programed in the parameters and our energy consumption went down 40%. Pipe faults went down 95%. Cost (In House Install) was a mear $26,000.00.