Entrapment Protection Accessories - Chamberlain GT Owner's Manual

ENTRAPMENT PROTECTION ACCESSORIES

(OPTIONAL)
PHOTO EYES AND SENSING EDGES
Sensing devices provided for door industry type operators with an
isolated normally open (N.O.) dry contact output are compatible
with your operator. This includes pneumatic and electric edges,
and through beam and retro reflective photo eyes. If you would
like to order or receive more information on safety devices, please
contact your local Authorized Dealer.
If not pre-installed by the door manufacturer, mount the sensing
edge on the door according to the instructions provided with the
edge. The sensing edge may be electrically connected by either
coiled cord or take-up reel.
Important Notes:
a. Proceed with Limit Switch Adjustments described below before
making any sensing edge wiring connections to operator.
b. Electrician must hardwire the junction box to the operator
electrical box in accordance with local codes.
I N S T A L L A T I O N
To prevent possible SEVERE INJURY or DEATH, install reversing
sensors when:
• The radio is used.
• The 3-button control station is out of sight of the door.
• Or ANY other control (automatic or manual) is used.
Reversing devices are recommended for ALL installations.
WIRING
For wiring of your sensing device to the operator, refer to the
wiring diagrams provided on pages 14 and 15. See field
connection terminals identified as Reversing Device.
TAKE-UP REEL
Take-up reel should be installed 12" above the top of the door.
COIL CORD
Connect operator end of coil cord to junction box (not provided)
fastened to the wall approximately halfway up the door opening.
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