Read this important Public / Light
Commercial package application
information before ordering or installing!
1) The Open Sesame Model 233 runs on an internal battery that is
being constantly trickle charged. For high traffic applications, consult
with us regarding an external power supply that reduces dependence
on the internal battery.
2) The Open Sesame Model 233 is provided with a bumper-stop on the
arm to limit the maximum travel of the door to slightly more than 90
3) The Open Sesame Model 233 when held open by wind or
obstructions will attempt to close for 40 seconds and then stop trying to
bring the door closed. The door operation is reset by manually closing
the door. This turn off mode protects the motor and drive circuitry from
4) The current Model 233 operator comes with an adjustable clutch,
which can easily be adjusted to suit the needs of the application.
Occasionally, there can be issues due to wind load (for an outward
opening door), pressure differential, or excessive opening/closing
resistance due to the threshold and/or weatherstripping. In these cases
the clutch can be adjusted to provide greater opening/closing and
Open Sesame Door Systems, Inc • 1933 Davis St • Ste 279 • San Leandro • CA 94577
Conforms to UL
As Seen Numerous Times On:
Call us at 800-OPEN-911 (800-673-6911) 9:00am to 5:00pm Pacific Time