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1

Thursday, April 25th 2019, 9:15pm

Can't change zone's quickly

My system uses six Hunter PGV Jart Top valves and PGP rotary heads. I'm starting it up for the first time this year and have a problem when switches zones through a schedule. The first zone runs normally, but the second zone has low pressure. Sometimes the pressure is so low the heads don't pop up.

Example:
I ran a program starting on Zone 1, followed by Zone 2. Zone 1 runs fine. Zone 2 has low pressure.
I turned all zones off and waited 10-20 seconds. I then started with Zone 2, switching to Zone 1. Again, the first zone to run in the schedule worked fine, while the second had low pressure.


I removed the controller by running these same steps, hooking directly to 24v from batteries. The same trouble remains.


Any thoughts on what would cause this? Thanks!

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