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fire door and alarm system wiring
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RELATED FAQS
Question
Answer
How do I wire an EL device to normally hold open the latch and release it during a fire alarm?
Resolution:
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted. During a fire alarm, the contact will open, dropping...:
Can a 3 hour A labeled Fire Door be prepped for multiple glass lights?
Resolution:
A fire rated door for 3 hours can have one glass light maximum: 100 square inches and must have an approved glass (Firelite type) Max glass size cannot exceed 12" in width or 33" in height. Wi...:
Why does my Chexit device open without sounding the alarm?
Resolution:
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Where can I find wiring information for the Chexit?
Resolution:
Chexit devices shipped before 8-24-2015 with solenoid driven:Attached are the single and double door wiring , cable voltage reading documents for trouble shooting, and the installation in...:
Can fire rated exit devices have electric latch retraction?
Resolution:
Yes, fire rated exit devices can have electric latch retraction. However, the devices must be tied into a fire alarm system to remove power from the units so the doors will be latched in the ...: