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“
Interlock Vestibule Doors
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RELATED FAQS
Question
Answer
Are steel stiffeners required in all door constructions?
Resolution:
No, steel stiffeners are not required in Hollow Metal doors, they are one of many optional core available.Per ANSI/SDI A250.8 and ANSI/HMMA 867, core construction are optional offeri...:
INTERLOCKING SEAM
Resolution:
Lock Seam Door, Mechanical Interlock:
SECURITY/SAFETY INTERLOCK FUNCTION
Resolution:
SI:
SECURITY/SAFETY INTERLOCK
Resolution:
SI:
How do you wire a 4600 to sequence a double door vestibule in both directions?
Resolution:
There are 2 wiring diagrams for sequencing a double door vestibule application shown on page 13 of the 4630/4640 installation instructions.:
VESTIBULE
Resolution:
Lobby or entrance that has at least two doors, one exterior and one interior of the building: