Installation Instructions

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PS-Exit Exit Device
Power Supply
Installation Instructions
Overview
The Adams Rite PS-EXIT power supply provides power and control for up to two MLR
or LR exit devices. Each exit device is controlled by a timer that is initiated by a switch
closure. The timer is user-configured and holds the exit device(s) in the unlatched
position for 2 – 60 seconds. At the end of the selected time, the exit device(s) will
re-latch. If the switch controlling the exit device is closed longer than the selected
time, the exit device remains unlatched until the controlling switch is released.
An optional mode is available that allows both retraction timers
to activate in response to a closure of either switch.
The PS-EXIT is listed as an Exit Device, Access Control System Unit to UL294
requirements for power supplies and Canadian Standards CAN/CSA - C22.2.
Exit devices under access system control remain latched during a
complete power failure but always allow free mechanical egress.

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