What is a coordinator on a fire door?
(7) Coordinator ensures that door leaves close in proper sequence (pairs only). The same situation occurs when a pair of fire doors is equipped with an overlapping astragal – the proper leaf has to close first. The function of a coordinator is to ensure that the leaves of a pair close in the proper sequence.
What is a gravity coordinator?
When active door is open, coordinator prevents active door from closing until inactive door bypasses. Closing of inactive door causes strike plate on top of door to contact cam and lift arm, allowing active door to close.
What is door coordinator?
A door coordinator helps to ensure that the correct door leaf closes first so the doors can close and latch properly (here’s a video). BUT – when the door has manual flush bolts and no closer on the inactive leaf, the coordinator serves no purpose. The inactive leaf is closed and latched manually (by a person).
What is the purpose of door selector?
Product Category: Door Selectors Door selectors are used (generally on fire doors) on double doors where one leaf has to close before the other in order for it to shut properly.
What is a door coordinator?
How does a bolt flush work?
Automatic flush bolts are projected and retracted without any manual operation required. When the active leaf is opened, the flush bolts are retracted, allowing the inactive door to open. When the active leaf is closed, the flush bolts are automatically latched again.
What is door sequencer?
The CX-SA1 will properly sequence an operator and electric lock (any type) or two doors that form a vestibule and becomes a latching relay with the flick of a switch. …
How do you unlock a flush bolt?
The stationary panel locks and unlocks with flushbolts at the top and bottom of the panel. To disengage these flushbolts, find the black levers located on the strike plate and push the levers in, then up or down. There are small icons on the strike plate to denote the locked or unlocked position.