Overview Of Typical Installation - Chamberlain LiftMaster LA412 Installation Manual

OVERVIEW OF TYPICAL INSTALLATION

Identify your installation type (refer to the Appendix in the back of the manual for more information). All the illustrations on the following pages
display a typical Left-Hand Gate installation with a pull-to-open bracket. For Push-to-Open applications refer to the Appendix.
SINGLE GATE
Solar Panel
Photoelectric
Sensors
Water Tight Conduit (not provided)
DUAL GATE
Control Box
Solar Panel
Photoelectric Sensors
Water Tight Conduit (not provided)
INTRODUCTION
Warning Sign
Operator
Control Box
Earth Ground Rod
Check national and local
codes for proper depth
Warning Sign
Primary Operator
Edge Sensor
Earth Ground Rod
Check national and local
codes for proper depth
Photoelectric
Sensors
Edge Sensors
Photoelectric
Secondary Operator
Warning Sign
Edge Sensor
Photoelectric Sensors
8
NOTE: One or more non-contact
sensors shall be located where the
risk of entrapment or obstruction
exists at either the opening or
closing direction. Care shall be
exercised to reduce the risk of
nuisance tripping, such as when a
vehicle, trips the sensor while the
gate is still moving.
Sensors
Junction
Box
Photoelectric Sensors
Photoelectric Sensors