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Usage Class
Class II - Commercial/General Access Vehicular Gate
A vehicular gate operator (or system) intended for use in a commercial location or
building such as a multi-family housing unit (five or more single family units), hotel,
garages, retail store, or other buildings accessible by or servicing the general public.
Class III - Industrial/Limited Access Vehicular Gate
A vehicular gate operator (or system) intended for use in an industrial location or
building such as a factory or loading dock area or other locations not accessible by or
intended to service the general public.
Class IV - Restricted Access Vehicular Gate Operator
A vehicular gate operator (or system) intended for use in a guarded industrial location
or building such as an airport security area or other restricted access locations not
servicing the general public, in which unauthorized access is prevented via
supervision by security personnel.
UL325 Entrapment Protection Requirements
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 the operator
itself, is less than 16" (406 mm) in a location up to 6 ft. (1.8 m) above
grade.
INDEPENDENT MONITORED ENTRAPMENT PROTECTION DEVICE: An
entrapment protection device is independent if it is a different type
(photoelectric sensors, edge device, inherent protection device) from the
other devices in the same entrapment zone.
Use the Site Planning Safety Checklist in the appendix to identify
entrapment zones found in your installation.
Requirements
•
A minimum of two independent monitored entrapment protection
devices are required to be installed at each entrapment zone.
•
It is the responsibility of the installer to install external monitored
entrapment protection devices for each entrapment zone.
•
The operator will only operate with a minimum of two independent
monitored entrapment protection devices installed in each direction;
two in the open direction and two in the closed direction.
This operator has an inherent entrapment protection device built-in.
The installer MUST provide one additional entrapment protection
device for each entrapment zone.
Acceptable entrapment protection device types include:
•
Inherent (built into the operator)
•
LiftMaster monitored external photoelectric sensors, see page 48 for
acceptable sensors.
•
LiftMaster monitored external edge sensors, see page 48 for
acceptable sensors.
IMPORTANT SAFETY
INSTRUCTIONS
To reduce the risk of INJURY or DEATH:
•
READ AND FOLLOW ALL INSTRUCTIONS.
•
NEVER let children operate or play with gate controls. Keep the
remote control away from children.
•
ALWAYS keep people and objects away from the gate. NO ONE
SHOULD CROSS THE PATH OF THE MOVING GATE.
•
Test the gate operator monthly. The gate MUST reverse on
contact with an object or reverse when an object activates the
noncontact sensors. After adjusting the speed, force, or the
limit of travel, retest the gate operator. Failure to adjust and
retest the gate operator properly can increase the risk of
INJURY or DEATH.
•
Use the manual release ONLY when the gate is not moving.
•
KEEP GATES PROPERLY MAINTAINED. Read this manual. Have a
Trained Gate Systems Technician make repairs to gate hardware.
•
The entrance is for vehicles ONLY. Pedestrians MUST use separate
entrance.
•
SAVE THESE INSTRUCTIONS.
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