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Number of rearms/bell time

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Are there any regs that state the max amount of rearms that are allowed on a PD6662 system? Likewise bell timer

 

I have in my head 2 rearms max and 10 min bell timer but not sure where this figure comes from?

15 minus max Bell time, not PD6662 environmental law I believe. And 3 rearms.

amealing@texe.com

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Texecom

BS4737 was no more or less than 20 minutes. 2-15 minute for EN50131-1.

Not sure where rearms are referenced but normally leave on 3.

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