Multiple Sirens

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ogb1

Member - Posts: 16

Joined: March 18, 2002

Location: United States

Posted: March 21, 2002 at 10:29 AM / IP Logged

I have my regular siren, and a battery backed up siren currently hooked up.... i want to add a couple piezo sirens to the interior but i was told my alarm couldnt handle more then 2 sirens. How do i put a relay in so i can add more sirens? and do i wire the sirens up in parrallel with the sirens i have now?

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the12volt

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Joined: March 07, 2002

Location: Louisiana, United States

Posted: March 21, 2002 at 1:48 PM / IP Logged

Hi ogb1, connect a lead to your alarm's siren output. if your alarm's siren output is (+) connect it to termianl #85 and connect #86 to ground. If the output is (-) connect it to terminal #85 and connect #86 to a constant 12V+ (fused).

Connect terminal #87 to constant 12V+ (fused) and connect terminal #30 to the positive leads of the other sirens you are adding. Connect their negative leads to ground. Leave all other siren connections as there are.

the12volt

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hot_shot_guy123

Copper - Posts: 114

Joined: March 09, 2002

Location: Canada

Posted: March 21, 2002 at 1:50 PM / IP Logged

Hi there, I was on here before and I had the same question. I have 2 external battery back-up sirens, three mini piezo sirens inside and a seperate battery just for my alarm. People helped me so I figure I might as well help too. The relay is easy to hook up to your alarm. First of all you have to know if your alarm has a positive or negative trigger.

RELAY

PIN 86 = trigger wire from siren output from brain (pos or neg depending on your alarm)

PIN 85 = Ground

PIN 87 = Constant 12V (make sure to fuse this wire)

PIN 30 = Hook up sirens to this pin

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Multiple Sirens

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