Chamberlain ‎B970 Smart Garage Door Opener

User Manual - Page 26

For B970.

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26
Installation
STEP 15 Connect power
To prevent possible SERIOUS INJURY or DEATHfrom electrocution or fire:
l Be sure power is NOT connected to the opener, and disconnectpower to circuit BEFORE
removing cover to establish permanent wiring connection.
l Garage door installation and wiring MUST be in compliance with ALL local electrical and
building codes.
l NEVER use an extension cord, 2-wire adapter, or change plug in ANY way to make it fit outlet.
Be sure the opener is grounded.
To avoid installation difficulties, do not run the opener at this time.
To reduce the riskof 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 outletyou
have, contact a qualified electrician to install the proper outlet.
THERE ARE TWO OPTIONS FOR CONNECTING POWER:
OPTION A TYPICAL WIRING
1. Plug in the garage door opener into a grounded outlet.
2. DO NOT run garage door opener atthis time.
OPTION B PERMANENT WIRING
If permanent wiring is required by your local code, refer to the following procedure. To make a
permanent connection through the 7/8 inch hole in the top of the motor unit (according to local
code):
1. Remove the motor unit cover screwsand set the cover aside.
2. Remove the attached 3-prong cord.
3. Connectthe 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.
4. Reinstall the cover.
Ground Tab
Green Ground Screw
Ground Wire
White Wire
Black Wire
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