Master Lock ATS 211 - Manual (Page 15)

To reduce the risk of electric shock, your garage
door opener has a grounding type plug with a third
grounding pin. This plug will
only fit into a grounding
type outlet.
If the plug doesn't fit into the outlet you have,
contact a qualified electrician to install the
proper outlet.
Installation Step 9
Electrical Requirements
Ground Tab
Green
Ground
Screw
Ground Wire
Black
Wire
Permanent wiring
connection
White Wire
Black
Wire
To make a permanent connection through the 7/8"
diameter hole in the top of the opener (according
to local code):
• Remove the opener cover screws and set the
cover aside.
• Remove the attached 3-prong cord.
• Connect the black (line) wire to the screw on the
brass terminal; the white (neutral) wire to the
screw on the silver terminal; and the ground wire
to the green ground screw.
The opener must be
grounded.
• Reinstall the cover.
15
To prevent electrocution or fire, installation
and wiring must be in compliance with local
electrical and building codes.
Right Wrong
To avoid installation difficulties,
do not run the opener at this time.
To avoid installation difficulties,
do not run the opener at this time.
• Do not change the plug in any way.
• Do not use a 2-wire adapter.
• Do not use an extension cord.
If permanent wiring is required by your local code, refer to the following procedure:
WARNING
WARNING
To prevent electrocution, remove power from
the garage door opener
and from the circuit
you plan to use for the permanent
connection.