Power And Ground Wiring Connections - Chamberlain LiftMaster MJ5011U Installation Manual

TYPICAL INSTALLATION

POWER AND GROUND WIRING CONNECTIONS

To reduce the risk of SEVERE INJURY or DEATH:
• ANY maintenance to the operator or in the area near the
operator MUST NOT be performed until disconnecting the
electrical power and locking-out the power. Upon completion
of maintenance the area MUST be cleared and secured, at that
time the unit may be returned to service.
• Disconnect power at the fuse box BEFORE proceeding.
Operator MUST be properly grounded and connected in
accordance with local electrical codes. The operator should be
on a separate fused line of adequate capacity.
NOTE: Power and control wiring must be run in separate conduit
in accordance with national and local electrical codes. Must use 14
AWG or heavier wire for power wiring. Use conduit knockouts for
wiring as indicated on the electrical box labels.
IMPORTANT NOTE: Operator must be properly grounded. Failure
to properly ground the operator could result in electric shock and
serious injury.
DO NOT turn power on until you have fi nished making ALL power
and control wiring connections.
1
Remove cover.
Electrical Box Cover
WARNING
WARNING WARNING
• ALL electrical connections MUST be made by a qualifi ed
individual.
• DO NOT install ANY wiring or attempt to run the operator
without consulting the wiring diagram.
• ALL power wiring should be on a dedicated circuit and well
protected. The location of the power disconnect should be
visible and clearly labeled.
• ALL power and control wiring MUST be run in separate
conduit.
AVERTISSEMENT
DISTANCE
50 feet
AVERTISSEMENT
100 feet
200 feet
350 feet
500 feet
1000 feet
* Maximum wire gauge that can be connected to the operator's
terminal is 12 AWG. When a larger wire gauge is required, the
wire must be gauged down to 12 AWG. USE COPPER WIRE ONLY.
2
Run power wires to electrical box according to national and
local electrical codes.
ADVERTENCIA
ADVERTENCIA
11
POWER WIRING CHART
Electrical Box
Sealing Nut
(Not Provided)
GAUGE
14 AWG
12 AWG
8 AWG*
6 AWG*
4 AWG*
2 AWG*
Conduit