Controlled Products Systems Group HRG 220-A ST - Manual (Page 51)

Installation and Maintenance Manual
37
Gate Operator Category
Horizontal Slide, Vertical Lift, Vertical Pivot Swing and Vertical Barrier (arm)
Usage class
Primary typea Secondary typea Primary typea Secondary typea
Vehicular I and II A B1, B2, or D A, or C A, B1, B2, C, or D
Vehicular III A, B1, or B2 A, B1, B2, D, or E A, B1, or C A, B1, B2, C, D, or E
Vehicular IV A, B1, B2, or D A, B1, B2, D, or E A, B1, C, or D A, B1, B2, C, D, or E
Note —The same type of device shall not be utilized for both the primary and the secondary entrapment protection
means. Use of a single device to cover both the opening and closing directions is in accordance with the
requirement; however, a single device is not required to cover both directions. A combination of one Type B1 for
one direction and one Type B2 for the other direction is the equivalent of one device for the purpose of complying
with the requirements of either the primary or secondary entrapment protection means.
a Entrapment protection sensor types:
Type A - Inherent entrapment sensing systems.
Type B1 - A non-contact sensor (photoelectric sensor or the equivalent).
Type B2 - A contact sensor (edge sensor device or the equivalent).
Type C - Inherent adjustable clutch or pressure relief device.
Type D - An actuating device requiring continuous pressure to maintain opening or closing
motion of the gate.
Type E - An inherent audio alarm, which warns a minimum of 3 seconds before operation.
UL Usage Class Information:
The automatic vehicular operator must also be labeled as appropriate for both the type and usage class
of the gate. Installers must verify that the gate operator is labeled for the intended application. Note:
Sliding gate operators installed in Class I & II applications must not move the gate faster than 12 inches
per second.
Class I: Intended for use in a home of one to four single family dwelling, or a parking area associated
therewith.
Class II: 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 building servicing the general public.
Class III: Intended for use in an industrial location or building such as a factory or loading dock or other
locations not intended to service the general public.
Class IV: 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.