Hello, I am getting a Fire-Lite MS-4424B panel very soon. I have a few questions for anyone willing to help me.
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Do I put a ELR directly across the plus and minus of the last device? (Like a device with only 2 terminals) I just want to check because to me it seems like the resistor would immediately short out upon alarm.
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Are the polarity of the panel board terminals shown in Supervising state or alarm state?
Thank you!
#1: Given that that doesn’t happen with pretty much all other panels that use EOL resistors it should be fine if you connect it like that.
#2: It should be the same regardless of state (even though most panels put out a small amount of current with the polarity reversed to check & make sure that all devices are connected properly, it’s not something you should have to worry about as the polarity is otherwise always the same).
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