__________________________________
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--
IMPORTANT SAFETY REQUIREMENTS BY UL STANDARDS
Prior to installation, the following must
be observed: (per UL325.56.8.4)
a) Install the gate operator only when:
1) The operator is appropriate for the construc
tion of the gate and the usage Class of the
gate,
2) All openings of a horizontal slide gate are
guarded or screened from the bottom of the
gate to a minimum of 4 feet (1
.
22 m
)
above
tne ground to prevent a 2
1/
4 inch
(
57.2 mm)
diameter sphere from passing through the
openings anywhere in the gale
,
and
i
n that
portion of the adjacent fence that the gate
covers in the open position,
3) All exposed pinch points are eliminated or
guarded
,
and
4)
G
uarding is supplied for exposed rollers.
b) The operator is intended for installation only on
gates used for vehicles. Pedestrians must be
supplied with a separate access opening. The
pedestrian access opening shall be designed to
promote pedestrian usage. Locate the gate
such that persons will not come in contact with
the vehicular gate during the entire path of travel
of the vehicular gate.
c) The gate must be installed in a location so that
enough clearance is supplied between the gate
and adjacent structures when opeing and
closing to reduce the risk of entrapment.
Swinging gates shall not open into public access
areas.
d) The gate must be properly installed and work
free
l
y in both directions prior to the insallation of
the gate operator. Do not over-tighten the
operator clutch or pressure relief valve to com
pensate for a damaged gate.
e) For gate operators utilizing Type D protection:
1 )
T
he gate operator controls must be placed so
that the user has full view of the gate area
when the gate is mov
i
ng
.
2) The p
l
acard as required by 58.1.6 shall be
placed adjacent to the controls,
3)An automatic closing device (such as a timer,
loop sensor, or similar device) shall not be
employed, and
4 )No other activation device shall be connected.
f) Controls intended for user activation must be
located at least six feet (6') away from any
moving part of the gate and where the user is
prevented from reaching over, under, around or
through the gate to operate the controls.
Outdoor or easily accessible controls shall have
a security feature to prevent unauthorized use.
g) The stop and/or reset button must be located in
the line-of-sight of the gate. Activation of the
reset control shall not cause the operator to
start.
h)A minimum of two (2) WARNING SIGNS shall be
installed, one on each side of the gate where
easily visible.
i) For gate ope
r
ators ut
i
lizing a non-contact sensor
in accordance with UL 31.1
.
1
:
1) See instructions on the placement of non
contact sensors for each Type of application.
2) Care shall be exercised to reduce the.risk of
nuisance tripping, such as when a vehicle,
trips the sensor while the gate is still moving,
and
3) One or more non-contact sensors shall be
located where the risk of entrapment or
obstruction exists, such as the perimeter
reachable by a moving gate or ba
r
r
i
er.
j) For a gate operator utilizing a contact sensor in
accordance with 31.1.1:
1) One or more contact sensors shall be
located where the risk of entrapment or
obstruction exists, such as at the leading
ed9e, trailing edge
,
and postmounted both
inside and outside of a vehicular horizontal
slide gale.
2) One or more contact sensors shall be
located at the bottom edge of a vehicular
vertical lift gate.
3) One or more contact sensors shall be
located at the pinch point of a vehicular
vertical pivot gale.
4) A hardwired contact sensor shall be localed
and its wiring arranged so that the communi
cation between the sensor and the gate
operator is not subjected to mechanical
damage.
5) A wireless contact sensor such as one that
transmits radio frequency (RF) signals to the
gale operator for entrapment protect
i
on. func
t
i
o
n
s shall be located where t
h
e transmission
of the signals are not obstructed or impeded
by building structures, natural landscaping or
similar obstruction. A wireless contact
sensor shall function under the intended
end-use conditions.
6) One or more contact sensors shall be
located on the inside and outside leading
edge of a sw
i
ng gate. Additionally, if the
bottom edge of a swing gate is greater than
6 inches ('f52 mm) above the ground at any
point in its arc of travel, one or more contact
sensors shall be located on the bottom edge.
7) One or more contact sensors shall be
located at the bottom edge of a vertical
barrier (arm).
3
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