sequential time delay


Regular LCN closers have "3" regulating valves for General Speed, Latch Speed, and Backcheck. If the LCN closer has "4" regulating valves, then the closer has the Delayed Action feature. De...
The 8310-845 is now a combination "Time Delay Relay / Door Sequence" module. In 2010 the separate 8310-845 "Time Delay" module and 8310-849 “Door Sequencer” module were combined into a "common" m...
For Allegion's recommendation see here.
The PS914 x 900-2RS option board doesn't have time delay. If time delay is required specify PS914 x 900-4RL. 900-4RL provides up to 75 seconds, 5 second  increment unlock time.