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5
Install the gate operator when:
• Operator is appropriate for the construction of the gate and usage class is correct for the installation.
• All exposed pinch points are eliminated or guarded.
• The gate is installed in a location where enough space is supplied between adjacent structures and
the gate that when opening or closing the chance of entrapment is reduced.
• The gate is properly installed and moves freely in both directions. Do not over adjust the sensitivity
adjustment to compensate for an improper gate installation.
• All hard wired sensors used for monitored entrapment protection devices and their wiring are installed
in a manner which protects them from mechanical damage.
• The Reset button must be located in the line-of-sight of the gate. Activation of the reset button shall
not cause the operator to start.
Non Contact Sensors - Type B1 - Photo Eyes or equivalent
1. See entrapment zones for suggestions on placement of sensors.
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.
3. One or more non-contact sensors shall be located where the risk of entrapment or obstruction
exist, such as the area reachable by a moving gate.
Contact Sensors - Type B2 - Contact Edge or equivalent
1. See entrapment zones for suggestions on placement of sensors.
2. One or more sensors shall be located on the inside and outside leading edge of a swing gate.
3. Additionally, if the bottom edge of a swing gate is greater than 4 inches (101.6mm) and less than
16 inches (406mm) above ground at any point in its arc of travel one or more sensors shall be
located on the bottom edge.
4. A hardwired sensor shall be located and its wiring arranged so that the wiring between the sensor
and the gate operator is not subjected to mechanical damage.
5. A wireless device such as one that transmits (RF) signals to the gate operator for entrapment
protection functions shall be located where the transmission of the signals are not obstructed or
impeded by building structures , natural landscaping or similar obstruction. A wireless device shall
function under the intended end-use conditions.
Constant Pressure - Type D - Emergency switch or equivalent
1. The gate operator controls must be placed so that the user has full view of the gate area when the
gate is moving.
2. An automatic closing device (such as a timer, loop sensor, or similar device) shall not be
employed. and no other activation device shall be connected.
3. Placard required shall be placed adjacent to the controls.
SAFETY INSTALLATION INFORMATION