LiftMaster SL3000UL3 Owners Manual - Page 18

120VAC POWER CONNECTION On-Off switch for operator. Green Ground Green Ground Black 120Vac White Neutral Green Ground Power supply in waterproof conduit. Use a 20 amp dedicated circuit for each operator. Input power 120Vac, 60 Hz. Earth Ground Rod Highly Recommended! See previous page. 120Vac Power Wire 1/2 HP and Dual Motor 1 HP 16 Gauge up to 150 FT up to 75 FT 14 Gauge 250 FT 125 FT 12 Gauge 400 FT 200 FT 10 Gauge 650 FT 325 FT 8 Gauge 1000 FT 500 FT 4 Gauge 2200 FT 1100 FT HEATER POWER CONNECTION Connect the black, white and ground wire from the heater to the 120Vac power supply as shown. When the heater switch is left in the "ON" position, the heater will turn on and off automatically when needed. CAUTION To reduce the risk of SERIOUS INJURY: DO NOT touch the heater when switch is on, heater may be hot. Switch should left in the "ON" position. Green Wire Ground Power Supply Green Wires Ground 16 Green Wires Ground Black Wires 120Vac White Wires Neutral