Electronic Alarms and Home Security Devices - DSC 832 installation and smokes

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figment
04-17-05, 01:54 PM
Good afternoon everyone. I should probably tell you right off that I am completely new to alarm installation and installing this dsc 832 in my house is my very first attempt at it. With the help of this forum I have gotten almost everything to work (I think anyway) except the smokes. I am using DSC FSA-410 detectors which are 4 wire smokes. I have wired them to the panel and have placed a resistor between the common and zone line... everything seems to be okay but these are normally open detectors and the default on the zone inputs is normally closed. As a result, my alarm will not arm because zones 6 and 7 (the smoke zones) are open. Any help that anyone could give me would be REALLY appriciated. Thanks in advance.

MrRonFL
04-17-05, 07:50 PM
For smoke detectors (and other normally open contact devices) the resistor goes across the contacts on the last device in line. If you wired them oddly, or homeran each smoke, you can put them across the zone terminals, instead, but you lose the supervision of the resistor on the length of the loop.

(if you aren't using an end of line supervision relay, it's kind of moot anyway. It's not an absolute requirement, just a good idea...)