Chamberlain GH Owner's Manual page 7

INSTALL POWER WIRING & CONTROL STATION
Before installing control station be sure to follow all warnings described below. Failure to do so may
result in severe injury to persons and/or damage to operator. Do not install any wiring or attempt to run
the operator without consulting the wiring diagram. Install the optional Reversing Edge before proceeding
with the Control Station installation.
IMPORTANT SAFETY NOTES
WARNING
INSTALL THE CONTROL STATION WHERE THE
DOOR IS VISIBLE, BUT AWAY FROM THE DOOR AND
ITS HARDWARE. IF CONTROL STATION CANNOT BE
INSTALLED WHERE DOOR IS VISIBLE, OR IF ANY
DEVICE OTHER THAN THE CONTROL STATION IS
USED TO ACTIVATE THE DOOR, A REVERSING
EDGE MUST BE INSTALLED ON THE BOTTOM OF
THE DOOR. FAILURE TO INSTALL A REVERSING
EDGE UNDER THESE CIRCUMSTANCES MAY
RESULT IN SERIOUS INJURY OR DEATH TO
PERSONS TRAPPED BENEATH THE DOOR.
WARNING
TO AVOID DAMAGE TO DOOR AND OPERATOR,
MAKE ALL DOOR LOCKS INOPERATIVE. SECURE
LOCK(S) IN "OPEN" POSITION.
IF THE DOOR LOCK NEEDS TO REMAIN
FUNCTIONAL, INSTALL AN INTERLOCK SWITCH.
WARNING
DISCONNECT 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.
MOUNT WARNING NOTICE
IMPORTANT: Mount WARNING NOTICE beside or
below the push button station.
Control Station
Push
CL OS E
Buttons
W A R N I N G
TO PREVENT ENTRAPMENT
DO NOT START DOOR DOWNWARD
UNLESS DOORWAY IS CLEAR
WARNING Notice
CONTROL STATION WIRING
Refer to Control Connection Diagrams on pages
11 & 14. Make connection through hole labeled for
control. Do not run control wires in the same
conduit as power wires.
CABLE CONNECTION NOTE:
Be sure to use the control box opening with the
7/8" dia. hole for CONTROL cable(s). All power wires
use the 1-1/16" dia. hole.
1-1/16" dia. Power
Wiring Access Hole
7/8" dia. Control
Wiring Access Hole
(Opposite Side)
1. Complete electrical connections to the operator
and the control station. Fasten the control station
to the wall and MOUNT THE WARNING NOTICE
BESIDE OR BELOW THE PUSH BUTTON
STATION.
2. Apply power to the operator. Press OPEN push
button and observe direction of door travel and
then Press the STOP button.
If door did not move in the correct direction,
check for improper wiring at the control station or
between operator and control station.
If the operator is three phase and control station
wiring is correct, exchange any two of the three
incoming power leads.
If electrical problems persist, call our Toll Free
number for assistance (1-800-528-2806).
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