LiftMaster RSL12U RSL12U Installation Manual - Page 23

Obstruction Test, Fine Tune The Force, Adjust The Limits

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ADJUSTMENT LIMIT AND FORCE ADJUSTMENT continued... FINE TUNE THE FORCE The FORCE DIAL on the control board is used for fine tuning the force in cases where wind or environmental changes may affect the gate travel. Based on the length and weight of the gate it may be necessary to make additional force adjustments. The force setting should be high enough that the gate will not reverse by itself nor cause nuisance interruptions, but low enough to prevent serious injury to a person. The force setting is the same for both the open and close gate directions. 1. Open and close the gate with the TEST BUTTONS. 2. If the gate stops or reverses before reaching the fully open or closed position, increase the force by turning the force control slightly clockwise. 3. Perform the "Obstruction Test" after every force setting adjustment (see below). ADJUST THE LIMITS After both limits are set and the operator is ready to run, one limit can be adjusted independently from the other by following steps 1-3 of the Initial Limit and Force Adjustment section, on page 21. OBSTRUCTION TEST The operator is equipped with an automatic obstruction sensing feature. If the gate encounters an obstruction during motion, the operator will automatically reverse direction of the gate for a short time and then stop the gate. After any adjustments are made, test the operator: 1. Open and close the gate with the test buttons, ensuring that the gate 1 is stopping at the proper open and close limit positions. 2. Place a solid object between the open gate and a rigid structure. Ensure that the gate, the solid object, and the rigid structure can withstand the forces generated during this obstruction test. 3. Run the gate in the close direction. The gate should stop and reverse upon contact with the solid object. If the gate does not reverse off the solid object, reduce the force setting by turning the force control slightly counter-clockwise. The gate should have enough force to reach both the open and close limits, but MUST reverse after contact with a solid object. 4. Repeat the test for the open direction. 22 DIAGN 2 ProInpseirdtye 3 ProInpseirdtye PrOopuetsritdye PrOopuetsritdye

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22
FINE TUNE THE FORCE
The FORCE DIAL on the control board is used for fine tuning the force in
cases where wind or environmental changes may affect the gate travel.
Based on the length and weight of the gate it may be necessary to make
additional force adjustments. The force setting should be high enough
that the gate will not reverse by itself nor cause nuisance interruptions,
but low enough to prevent serious injury to a person. The force setting is
the same for both the open and close gate directions.
1. Open and close the gate with the TEST BUTTONS.
2.
If the gate stops or reverses before reaching the fully open or closed
position, increase the force by turning the force control slightly
clockwise.
3.
Perform the “Obstruction Test” after every force setting adjustment
(see below).
ADJUST THE LIMITS
After both limits are set and the operator is ready to run, one limit can be
adjusted independently from the other by following steps 1-3 of the Initial
Limit and Force Adjustment section, on page 21.
ADJUSTMENT
LIMIT AND FORCE ADJUSTMENT continued...
The operator is equipped with an automatic obstruction sensing feature.
If the gate encounters an obstruction during motion, the operator will
automatically reverse direction of the gate for a short time and then stop
the gate. After any adjustments are made, test the operator:
1.
Open and close the gate with the test buttons, ensuring that the gate
is stopping at the proper open and close limit positions.
2.
Place a solid object between the open gate and a rigid structure.
Ensure that the gate, the solid object, and the rigid structure can
withstand the forces generated during this obstruction test.
3.
Run the gate in the close direction. The gate should stop and reverse
upon contact with the solid object. If the gate does not reverse off
the solid object, reduce the force setting by turning the force control
slightly counter-clockwise. The gate should have enough force to
reach both the open and close limits, but MUST reverse after contact
with a solid object.
4.
Repeat the test for the open direction.
OBSTRUCTION TEST
DIAGN
Inside
Property
Outside
Property
Inside
Property
Outside
Property
1
2
3