Lets assume this isn't a plot to overthrow the local government. If the installer did this per code and good practices, then wiring tamper switches in series isn't uncommon. If they did it right, it's perfectly okay and you can sleep at night, secure in the knowledge that nobody will spontaneously burst into flames at this particular facility.
Steve -------- Original message -------- From: [email protected] Date: 7/4/17 9:39 AM (GMT-08:00) To: [email protected] Subject: Electric monitoring of control valves Here is the situation on an installation at a new hotel. The DCVA has tamper switches. Two PIV's near by do not have tamper switches. The hotel is complete, no wiring had been run to the PIV's. (CFC 903.4) The DCVA and PIV's sit within the same large planter with lots of finished concrete between the valves and the alarm panel, about 150'. So the alarm guys tapped into the wiring of the DCVA tampers and ran it to the PIV's to install tampers. Is that legal? If a PIV is closed will it show at the panel or monitoring company as a DCVA tamper? I'm not knowledgeable on the wiring of devices. Owen Evans 13D Design Sent from my iPhone _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
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