LiftMaster HDSL24UL Installation Manual - English - Page 24

Speed Control, Fine Tune the Force, Obstruction Test

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ADJUSTMENT Speed Control The SPEED CONTROL dial controls the speed of the operator. The dial is preset to minimum from the factory. Set the speed as low as possible for the intended application. Gate operating speed: 0.5 ft./sec. - 1 ft./sec. For dual gate setup, set the SPEED CONTROL dial on each operator to the same setting or make sure the gate that travels further is set faster than the other operator for the smoothest operation. After any speed adjustment: 1. Cycle the gate open and close to automatically relearn the forces. 2. Perform the Obstruction Test, see page 25. Fine Tune the Force Once the initial limits have been set, the REVERSAL FORCE DIAL on the control board is used for fine tuning the force where wind or environmental changes may affect the gate travel. The REVERSAL FORCE DIAL is set to minimum at the factory. 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 limit, speed, and force setting adjustment see page 25. Settings 1-3: Fixed force settings (gate will not adjust due to gate wear or temperature changes). Settings 4-10: Automatically increase the force due to gate wear or temperature changes. 24

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Speed Control
The SPEED CONTROL dial controls the speed of the operator. The dial is
preset to minimum from the factory. Set the speed as low as possible for
the intended application.
Gate operating speed: 0.5 ft./sec. - 1 ft./sec.
For dual gate setup, set the SPEED CONTROL dial on each operator to the
same setting or make sure the gate that travels further is set faster than
the other operator for the smoothest operation.
After any speed adjustment:
1.
Cycle the gate open and close to automatically relearn the forces.
2.
Perform the
Obstruction Test
, see page 25.
Fine Tune the Force
Once the initial limits have been set, the REVERSAL FORCE DIAL on the control board is used for fine tuning the force where wind or environmental
changes may affect the gate travel. The REVERSAL FORCE DIAL is set to minimum at the factory.
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 limit, speed, and force setting adjustment see page 25.
Settings 1-3: Fixed force settings (gate will not adjust due to gate wear
or temperature changes).
Settings 4-10: Automatically increase the force due to gate wear or
temperature changes.
ADJUSTMENT