LiftMaster T T-LOGIC 3 Manual - Page 8

I N S TA L L AT I O N ENTRAPMENT PROTECTION ACCESSORIES (OPTIONAL) WARNING PHOTO EYES & 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. To prevent possible SEVERE INJURY or DEATH, install reversing sensors when: CAUTION • 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. AVERTISSEMENT TAKE-UP REEL Take-up reel should be installed 12" above the top of the door. COIL CORD ATTENTION Connect operator end of coil cord to junction box (not provided) fastened to the wall approximately halfway up the door opening. ADVERTENCIA PRECAUCIÓN 8