LiftMaster LA400 LA400 Manual - Page 11
» Overview Of Typical Installation - dual
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INSTALLATION » OVERVIEW OF TYPICAL INSTALLATION DUAL GATE Warning Sign Hinge Antenna Post Bracket Gate Bracket Gate 1 Control Box with Batteries Operator Cable Gate 2 Junction Box Extension Cable Photoelectric Sensors PVC Conduit (not provided) to protect the low voltage wire from lawn mowers and string trimmers. Photoelectric Sensors 12 Gauge Wire 8 feet (2.4 m) Earth Ground Installation (Optional) 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. 10
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10
DUAL GATE
Earth Ground
Installation (Optional)
Antenna
Hinge
Warning Sign
Post Bracket
Gate Bracket
Gate 1
Operator Cable
Control Box with
Batteries
PVC Conduit (not provided) to protect
the low voltage wire from lawn
mowers and string trimmers.
Photoelectric Sensors
Extension Cable
Photoelectric Sensors
Junction Box
Gate 2
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.
INSTALLATION
ยป OVERVIEW OF TYPICAL INSTALLATION
12 Gauge Wire
8 feet
(2.4 m)