Chamberlain LA400DC Quick Start Manual

QuickStar t
for single gate application
LA400DC
Primary 24 VDC Actuator Arm for
single swing gate applications
LA400DCS
Secondary 24 VDC Actuator Arm for
dual swing gate applications
LA400PKGU
Single Arm Package
2016 UL 325 Gate Operators require use of LiftMaster
external monitored entrapment protection devices.
This QuickStart is intended to highlight a single gate
application. Each application is unique and it is the
responsibility of the purchaser, installer and end user to ensure
that the total gate system is installed and operated properly.
Refer to the installation manual for complete information
regarding installation, testing, and programming.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
LiftMaster.com
01-38139 © 2016, LiftMaster – All Rights Reserved
Attach brackets to operator Determine mounting location
TOP VIEW OF GATE
Post bracket
Install the Control Box
Check national
and local codes
for proper depth
INSTALLATION
Position the operator
Gate hinge center
7" (17.8 cm)
7" (17.8 cm)
Earth Ground Rod
Install the earth ground rod within 3 feet (.9 m)
of the control box. The ground wire must be a
single, whole piece of wire.
Secure the brackets
Connect the Operator Arm to the Control Box