LiftMaster H J- LOGIC 3 Manual - Page 4

OPERATOR SPECIFICATIONS MOTOR TYPE Continuous Duty HORSEPOWER 1/3, 1/2, 3/4 and 1 HP SPEED 1725 RPM VOLTAGE 115/230V 1 Phase, 208/230/380/460/575V 3 Phase CURRENT See Motor Nameplate ELECTRICAL TRANSFORMER 24Vac Secondary CONTROL STATION NEMA 3-Button Station Open/Close/Stop w/LED WIRING TYPE C2 (Standard) Momentary contact to OPEN and STOP, constant pressure to CLOSE, plus wiring for sensing device to reverse and auxiliary devices to open and close with open override. See pages 16 and 17 for optional wiring types and operating modes. LIMIT ADJUST Linear driven, fully adjustable screw type cams. MECHANICAL DRIVE REDUCTION Primary: Heavy duty (5L) V-Belt Secondary: #48 chain/sprocket; Output: #50 chain OUTPUT SHAFT SPEED 36 RPM DOOR SPEED 6-7" (15.24-17.78 cm) per second depending on door BRAKE (Optional Solenoid actuated disc brake BEARINGS Output Shaft Shielded ball bearing; Clutch Shaft: Iron Copper sintered and oil impregnated HAND CHAIN WHEEL Left or right handing Models H and HJ ONLY SAFETY DISCONNECT: Model J . . .Floor level disconnect for manual door operation. Model H Floor level chain hoist with electrical interlock for manual door operation. Model HJ Includes both floor level disconnect systems stated above. SAFETY PHOTO EYES (Optional CPS-L) . .: Through beam or retro reflective devices used to provide non-contact safety protection. SAFETY EDGE (Optional Electric or pneumatic sensing device attached to the bottom edge of door. 4