4302-067-G-2-21
26
PUSH TO OPERATE
technician use only
3.4 Inherent Reverse Sensor Adjustment
The amount of force required for the gate to reverse direction depends on the reverse sensitivity potentiometer.
While operator has power:
Test the operators reversing sensitivity:
Adjust the operators reversing sensitivity:
Press the “Push to Operate” button to OPEN the gate.
While gate is opening, slowly rotate PRM - Primary reverse sensor clockwise until
the reverse LED lights up and the gate reverses direction. Rotate the primary
reverse sensor back counter-clockwise approximately 1/8 turn to decrease the
sensitivity (LED will turn off).
Press the “Push to Operate” button (or wait for Auto-Close timer to time-out if
turned ON) and CLOSE the gate. Make sure the gate closes completely. If it reverses
and opens (LED will light up), rotate the primary reverse sensor counter-clockwise a
little more to decrease the reverse sensitivity (LED will turn off).
Cycle the gate a few times to be sure that it cycles completely in BOTH directions,
re-adjusting the primary sensor as necessary.
Secondary operator must be individually adjusted if dual operators have been
installed. Use the SEC - Secondary reverse sensor.
Place an immobile object along the gate path, allowing the gate to strike it while in the open or close cycle. The gate must
reverse direction after striking the object. If it does not, increase the reverse sensitivity (steps and ) and repeat this
test until the correct sensitivity has been set for the OPEN and CLOSE directions.
1
2
2 3
3
This vehicular gate operator is equipped with an inherent (Built-In) adjustable reversing sensor (Type A) that is
used as an entrapment sensing system according to the UL 325 standards. The gate will reverse direction upon
encountering an obstruction in either the opening or closing gate cycle. For the reverse system to function
correctly, the gate must be properly installed and work freely in both directions. A good set of roller bearing
hinges is essential for proper swing gate operation.
The ideal adjustment will allow the operator to move the gate through its entire travel cycle without reversing,
but will reverse upon contact with an obstruction with no more than 40 Lbs of force. This force can be measured
with a gate scale.
SEC
PRM
Note: “Push to Operate” button will use the
Auto-Close timer if turned ON (SW 1, switch 4 ON).
Note: The LED will light up during the first seconds of gate travel.
Wait until it turns off before adjusting the reverse sensor.
Dual Operators:
LED
PRM - Primary
Min
Sensitivity
Note: The LED will turn on briefly
when power is turned on.
Safety Note: The LED will
remain ON after a cycling gate
gets obstructed during normal
operation to indicate that the
reverse sensor has been tripped.
Always check the gate area for
possible obstructions before
putting operator back in service.
Max
LED
Min
Sensitivity
SEC - Secondary
Max
CAUTION: Keep pedestrians and vehicles clear of the gate while adjusting and testing sensors!
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