Electricalrequirements; Aligningthe Safetyreversingsensors - Craftsman 139.30437 Owner's Manual

INSTALLATION STEP 13
ElectricalRequirements
To avoid installation difficulties, do not run the opener at this
time.
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.
THEREARETWO OPTIONSFOR CONNECTING POWER:
TYPICALWIRING (OPTIONA)
1. Plug in the garage door opener into a grounded outlet.
2. DO NOT run garage door opener at this time.
PERMANENT WIRING (OPTIONB)
If permanent wiring is required byyour local code, refer to the
following procedure.To make a permanent connection through
the 7/8" hole in the top of the motor unit (according to local code):
1. Be sure power is NOTconnected to the opener, and
disconnect power to circuit.
2. Remove the garage door opener cover and set aside.
3. Remove the attached green ground terminal.
4. Cut black and white wires and strip away 1/2" (1 cm) of
insulation, 3" (7.5 cm) before spade terminals.
5. Remove the power cord from opener.
6. Install a conduit or flex cable adapter to the 7/8" hole.
7. Run wires through conduit, cut to proper length and strip
insulation.
8. Attach with wire nuts provided. Attach the ground wire to the
green ground screw. The opener mustbe grounded.
9. Properly secure wire under plastic ties so that wire does not
come in contact with moving parts.
DO NOT run garage door opener at this
10. Reinstall the cover.
time.
To prevent possible SERIOUSINJURYor DEATHfrom
electrocution or fire:
• Be sure power is NOT connected to the opener, and
disconnect power to circuit BEFORE removing cover to
establish permanent wiring connection.
• Garage door installation and wiring MUST be in compliance
with ALL local electrical and building codes.
• NEVERuse an extension cord, 2-wire adapter, or change
plug in ANY way to make it fit outlet. Be sure the opener is
grounded.
OptionA
RIGHT WRONG
Option B
PERMANENTWIRING CONNECTION
Ground Wire
Black Ground Tab
Wire
Green Ground
Screw
White Wire
Wire Nuts
INSTALLATION STEP 14
Aligningthe SafetyReversingSensors
The door will not close if the sensorshave not been installed
and aligned correctly.
When the light beam is obstructed or misaligned while the door
is closing, the door will reverse and the garage door opener
lights will flash ten times. If the door is already open, it will not
close.
1. Checkto make sure the LEDs in both sensors are glowing
steadily. The LEDs in both sensors will glow steadily if they
are aligned and wired correctly.
The sensors can be aligned by
loosening the wing nuts, aligning
the sensors, and tightening the
wing nuts.
SENDING SENSOR
It the receiving sensor is in
direct sunlight, switch it with
sending sensor so it is on the
RECEIVINGSENSOR
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