How do the buttons on the RTE-EES work?

This article outlines how the PRESS TO EXIT and PRESS TO ESCAPE buttons work.

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Use the following table to learn about the two buttons (pictured above):

PRESS TO EXIT	Uses a normally open contact to trigger the access control or door entry system timing circuit, and also a normally closed contact which is connected in series with the cable supplying the release, meaning that if the access control or door entry system is offline, the power to the release will be mechanically cut and the door can always be opened.
PRESS TO ESCAPE	Triggers the timing circuit within the device which in turn breaks the power to the release. After a pre-set period of time (1, 6, 12 or 24 minutes) the door will automatically re-lock. The PRESS TO ESCAPE button also mechanically breaks the power to the release.

You should know that if the supply voltage to the emergency exit device is lost, all internal normally closed circuits will fail open, meaning the device is truly fail safe.