I am currently in the process of switching my Honeywell alarm panel for an Elk M1. Reading the material related to 2 wire smoke detectors it indicates that you must use a 820 ohm resistor when you are doing the install. I currently have 3 smoke detectors so my question is must the resistor be used for the each smoke detector? Thanks!
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2 Wire Smoke detectors/Elk
Posted 16 May 2018 - 01:10 PM
The 2-wire smoke detectors need to be wired in a daisy chain, with the resistor placed at the last detector in the chain. Not sure which Honeywell panel you are replacing, but it should also have had an EOL resistor on the last smoke detector.
Posted 16 May 2018 - 02:22 PM
Thanks!! As I mentioned I have three detectors (basement, 1st floor and 2nd floor)and while checking them over i noticed a resistor on the detector located on the second floor which would be the last in the chain. Thanks again for the help!
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