Wiring; Power Wiring - Chamberlain LiftMaster SL930 User Manual

To reduce the risk of SEVERE INJURY or DEATH:
• ANY maintenance to the operator or in area near the operator
MUST NOT be performed until disconnecting electrical
power and locking-out the power via the operator power
switch. Upon completion of maintenance the area MUST be
cleared and secured, at that time the unit may be returned to
service.
• Disconnecting power at the fuse box BEFORE proceeding.
Operator MUST be properly grounded and connected in
accordance with local electrical codes. NOTE: The operator
should be on a separate fused line of adequate capacity.
• ALL electrical connections MUST be made by a qualified
individual.

POWER WIRING

CONDUIT ROUTING
The operator is provided with two knockout holes on each side.
Run 1/2" liquid tight flexible conduit through one of the four
knockout holes and into the handy box where the receptacle is
located. An elbow fitting is attached to the handy box and a
straight fitting is supplied for the other end of the flexible conduit.
Run three 12 gauge wires through the flexible conduit and into
the handy box. There should be a black or other colored wire for
hot, a white wire for neutral, and a green wire for earth ground.
STANDARD 115 VOLT HOOK-UP
1. Connect the three 12 gauge wires to the 115 Volt receptacle.
2. Connect the black (hot) wire to the brass screw.
3. Connect the white (neutral) wire to the silver screw.
4. Connect the green (ground) wire to the green grounding screw.
When the wires have been connected to the receptacle, insert the
receptacle back into the handy box (Figure 2) . Secure the
receptacle to the handy box with two screws. Apply the receptacle
cover to the receptacle and secure it with a screw. The power
cord may now be plugged into the receptacle.
To reduce the risk of electric shock, this equipment has a
grounding type plug that has a third (grounding) pin. This plug
will only fit into a grounding type outlet. Do not change the plug
in any way.
WARNING
W I R I N G
WARNING WARNING
• DO NOT install any wiring or attempt to run the operator
without consulting the wiring diagram. We recommend that
you Install an optional reversing edge BEFORE proceeding
with the control station installation.
• 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.
• BEFORE installing power wiring or control stations be sure
to follow all specifications and warnings described below.
Failure to do so may result in SEVERE INJURY to persons
AVERTISSEMENT and/or damage to operator.
Figure 1
AVERTISSEMENT
Figure 2
ADVERTENCIA
ADVERTENCIA
13
Handy Box
Fitting
Receptacle
Knockout
Flexible Conduit
Handy Box
Ground
Neutral
Hot
Power
Cord
Receptacle