LiftMaster 8500W Owners Manual - Page 17

Installation RIGRHIGTHT WRWORNOGNG PERPMERAMNAENTENWTIRWIINRGING COCNONNECNTEICOTNION 8 Connect Power To avoid installation difficulties, do not run the garage door 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. There are two options for connecting power: OPTION A: TYPICAL WIRING 1. Plug in the garage door opener into a grounded outlet. 2. DO NOT run garage door opener at this time. GroGurnodunTdabTab GreGerneen GroGurnodunSdcrSecwrew To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: • Be sure power is NOT connected to the opener, and discGoronGunrnoeducnWdtirWpeoirewer to circuit BEFORE removing cover to establish permanent wiring connection. BlaBcklack WirWe ire • Garage door installation and wiring MUST be in compliance with ALL local electrical and building codes. • NEVER use an extension cord, 2-wire adapter or change plug in ANY wayWtohWitmehiWtaeikrWeeireit BlaBckla fit outlet. Be sure the opener is grounded. RIGRHIGTHT RIGHT WRWORNOGNG WRONG PERPMERAMNAENTENWTIRWIINRGING COCNONNECNTEICOTNION OPTION B: PERMANENT WIRING CONNECTION If permanent wiring is required by your local code, refer to the following procedure. To make a permanent connection through the 7/8 inch hole in the back of the garage door opener (according to local code): 1. Be sure power is NOT connected to the opener, and disconnect power to circuit. 2. Remove the garage door opener from the torsion bar, remove cover screws and set the cover aside. 3. Cut the line cord 6" (15.2 cm) above the strain relief. 4. Squeeze the strain relief and push into motor unit, then remove the strain relief from the line cord. 5. Install a 90° conduit (not provided) or flex cable adapter (not provided) to the 7/8" hole. Reinstall garage door opener to torsion bar. 6. Run wires through conduit, cut to proper length and strip installation. 7. Strip 1/2" (1.3 cm) of insulation from the existing black, white and green wires. 8. Connect the line to the black wire and neutral to the white wire with wire nuts (not provided). Connect ground wire to the green ground screw. 9. Properly secure wires under plastic ties so that they do not come into contact with moving parts. 10. Reinstall cover. Green Wire 90˚ Connector (Not Provided) GroGurnodunTdabTab GreGerneen GroGurnodunSdcrSecwrew Black Wire White Wire GroGurnodunWdirWe ire BlaBcklac WirWe ire WhWitehiWteirWe ire BACK VIEW Flexible Conduit Green Ground Screw Ground Wire Wire Nuts (Not Provided Black Wire White Wire 17