Operator Specifications - Chamberlain GH Owner's Manual

MOTOR
TYPE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous Duty
HORSEPOWER: . . . . . . . . . . . . . . . . . . . . . 1/2, 3/4 or 1-1/2 HP
SPEED: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1725 RPM
VOLTAGE: . . . . . . . . . . . . . . . . . . . . . . . . . .115/220/230 1 phase
CURRENT: . . . . . . . . . . . . . . . . . . . . . . . . See Motor Nameplate
MECHANICAL
DRIVE REDUCTION: . . . . . . . . . . . . . . . . . . . 40:1 Reduction
Heavy duty bronze worm gear reducer
OUTPUT SHAFT SPEED:. . . . . . . . . . . . . . . . . . . . . . . . . 43 RPM
DOOR SPEED:. . . . . . . . . . . 4-10" per second depending on door
BRAKE: . . . . . . . . . . . . . . . . . . . . . . Solenoid actuated disc brake
HOIST WHEEL: . . . . . . . . Standard mounting on left or right side
O P E R A T O R S P E C I F I C A T I O N S
1 or 3 phase
2 HP 3 phase
230/460/575V 3 phase
ELECTRICAL
TRANSFORMER:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Vac
CONTROL STATION:. . . . . . . . . . . . . . . . .NEMA 3-Button Station
WIRING TYPE: . . . . . . . . . . . . . . . . . . . . . . . . . . C2 (STANDARD)
OPEN/CLOSE/STOP plus wiring for sensing device to reverse
and auxiliary devices to open and close with open override.
(Other types available. See chart, page 8)
LIMIT ADJST: Linear driven, fully adjustable screw type cams.
DISCONNECT:. . . . . . . . . . Floor level chain hoist with electrical
CLUTCH: (Optional) . . . . . . . . . . . Adjustable torque limiter type
REVERSING EDGE (Optional): . . . Electric or pneumatic sensing
device attached to the bottom edge of door.
4
OPEN/CLOSE/STOP
SAFETY
interlock for emergency manual
door operation.