An internal electrical problem with the switch? Ran into a similar in a highrise where the 5th floor was sending arbitrary signals. Ended up replacing the switch and all was fine.
Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT www.fpdc.com On Feb 20, 2013, at 6:55 AM, Jay Stough <jaycs7...@yahoo.com> wrote: > We have a wet system that is having problems with the flow switch. The flow > switch would send a signal and then stop and then send another signal. This > would be happening intermittently. We figured the flow switch diaphram was > bad and then replaced the flow switch with the same results. The main drain > test is 60 psi with 50 psi residual. The inspector's test was a globe valve > that would flow water intermittantly; so we changed it to a ball valve. It > flows water continuously now with the same problem with the flow switch. We > checked the vane on the flow switch and the pipe is clean, so it's not > hanging up at the riser. Any suggestions? > > > > Jay Stough > Tilley fire Equipment Co. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20130220/d61c272e/attachment.html> > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.org > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
