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To prevent SERIOUS INJURY or DEATH from a moving gate:
l ALL gate operator systems REQUIRE two independent entrapment
protection systems for each entrapment zone.
l Entrapment protection devices MUST be installed to protect anyone
who may come near a moving gate.
l Locate entrapment protection devices to protect in BOTH the open and
close gate cycles.
l Locate entrapment protection devices to protect between moving gate
and RIGID objects, such as posts, walls, pillars, columns, or operator
itself.
Step 4 Install Entrapment Protection
Entrapment protection MUST be installed according to the following UL
325 requirements:
l
Slide gate operators require a minimum of two external monitored
entrapment protection devices to function; one in the open direction
and one in the close direction.
l Every installation is unique. It is the responsibility of the installer to
ensure that ALL entrapment zones are protected with an external
monitored entrapment protection device, protecting both the open
and close gate cycles.
l LiftMaster monitored external entrapment protection devices MUST
be used with LiftMaster operators to meet UL325 requirements,
see Accessories.
l Test ALL entrapment protection devices after completing installation
of the operator. For testing instructions, refer to the manual provided
with your entrapment protection device.
Definitions
ENTRAPMENT: The condition when a person is caught or held in a
position that increases the risk of injury.
SLIDE GATE ENTRAPMENT ZONE: An entrapment zone exists if at any
point during travel, the gap between the gate and any opposing fixed edge
or surface such as posts, walls, pillars, columns or operator itself, is less
than 16" (406 mm) in a location up to 6 ft. (1.8 m) above grade.
Illustrations provided by DASMA Gate Systems Safety Guide
INSTALLATION
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