LiftMaster J J -New style with thermal overload Manual - Page 8

I N S TA L L AT I O N ENTRAPMENT PROTECTION ACCESSORIES (OPTIONAL) WARNING SENSING EDGES & PHOTO EYES To reduce the risk of SEVERE INJURY or DEATH, ALWAYS install Sensing devices provided for door industry type operators with an isolated normally open (N.O.) output are compatible with your operator. This includes pneumatic and electric edges, and through CAUTION reversing sensors when the 3-button control station is out of sight of door or ANY other control (automatic or manual) is used. Reversing devices are recommended for ALL installations. beam and retro reflective photo eyes. If your door does not have a bottom sensing edge or safety photo eyes and you wish to add a safety device to your application, please contact your local LiftMaster Authorized Dealer. If not pre-installed by the door manufacturer, mount the sensing edge on the door according to the instructions provided with the WIRING For wiring of your sensing device to the operator, refer to the wiring diagrams provided with your operator. See field connection terminals identified as a Sensing Device or Safety Edge. edge. The sensing edge may be electrically connected by either coiled cord or take-up reel. Refer to the steps below. Important Notes: a. Proceed with Limit Switch Adjustments described below before TAKE-UP REEL Take-up reel should be installed 12" (30.48 cm) above the top of the door. making any sensing edge wiring connections to operator as described below. COIL CORD AVERTISSEMENT b. Electrician must hardwire the junction box to the operator electrical box in accordance with local codes. Connect operator end of coil cord to junction box (not provided) fastened to the wall approximately halfway up the door opening. WARNING ATWTAENRTNIIONNG A D J U S T M E N T LIMITCSAWIUTCTHIAODJNUSTMENT NOTE: Make sure the limit nuts are positioned between the limit switches before proceeding with adjustments. 1. Depress retaining plate to allow nut to spin freely. After adjustment, release plate and move nut back and forth to ensure it is fully seated in slot. 2. To increase door travel, spin nut away from limit switch. To decrease door travel, spin limit nut toward limit switch. 3. Adjust open limit nut so that door will stop in open position with the bottom of the door even with top of door opening. 4. Repeat steps 1 and 2 for close cycle. Adjust close limit nut so that the limit switch is engaged as door fully seats at the floor. WARNING To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect electric power BEFORE manually moving limit nuts. AVERTISSEMENT Open Limit Switch ATTENTION AAVDERVETIRSTSEENMCEIANT PARVEECRATUISCSIÓECMNloseELimNit STwitch Actuator Retaining Plate Auxiliary Open Limit Switch 8 Safety (Aux. Close) Limit Switch