Emergency Release Mechanism; Control Box Installation; Power Wiring - LiftMaster LA250EVK Manuel D'installation

5. MECHANICAL INSTALLATION

5.6 Emergency Release Mechanism

To disengage the release mechanism turn protection cap to the side, enter the key and turn it 90°. Pull the clutch up. To re-engage the release meachanism, push the
clutch down and turn the key 90°.
NOTE: Same procedure applies for left and right hand units.

5.7 Control Box Installation

The control box must be installed at a safe location that enables the installer to
have access at all times to the logic board without the risk of the gates crushing
or trapping.
It is advised that you must have full view of the gates when programming the
logic board.
Install the control box in an appropriate and accessible position. The installation
has to be done in accordance with local electrical regulation.
Motor 1 Connection
NOTE: The operator wired to the MOTOR 1 terminal will always open first and
close last. Consider this for Basic and Advanced Settings (see Programming
section).
1. Feed the motor1 cable through a cable gland.
2. Connect motor cables to the MOTOR 1 terminals as follows:
red cable to RED terminal, green cable to GRN terminal , white cable to WHT
terminal on control board.
Motor 2 Connection
NOTE: The operator wired to the MOTOR 2 terminal will always open last and
close first. Consider this for Basic and Advanced Settings (see Programming
section).
1. Feed the motor 2 cable through a cable gland.
2. Connect motor cables to the MOTOR 2 terminals as follows:
red cable to RED terminal, green cable to GRN terminal , white cable to WHT
terminal on control board.

5.8 Power Wiring

Power wiring must be done by a certified electrician specialist.
Congratulations! Herewith the mechanical installation of your gate ope-
rator is finished. Please proceed with Programming and Basic Settings
to be able to start operation.
225 mm
8
110 mm
Not included with LA250EVK