Operator Specifications - Chamberlain GT Owner's Manual

TYPE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Continuous Duty
HORSEPOWER: . . . . . . . . . . . . . . . . . .1/2, 3/4, 1 and 1-1/2 HP
SPEED: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1725 RPM
VOLTAGE: .115/230V 1 Phase, 208/230/380/460/575V 3 Phase
CURRENT: . . . . . . . . . . . . . . . . . . . . . . . .See Motor Nameplate
MECHANICAL
DRIVE REDUCTION: . . . . . . . . . . . . . .Primary: 20:1 Heavy duty
worm gear-in-oil-bath speed reducer
OUTPUT SHAFT SPEED: . . . . . . . . . . . . . . . . . . . . .113.5 RPM
DOOR SPEED: . . . . . . . . . . . .1' per second depending on door
BRAKE: . . . . . . . . . . . . . . . . . . . . .Solenoid actuated disc brake
BEARINGS: . . . . . . . . . . . . .Output Shaft Shielded Ball Bearing
O P E R A T O R S P E C I F I C A T I O N S
MOTOR ELECTRICAL
TRANSFORMER: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24Vac
CONTROL STATION: . . . . . . . . . . . . . . .NEMA 3-Button Station
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 18 and
19 for optional wiring types and operating modes.
LIMIT ADJUST: . . . . . . . . .Linear driven, fully adjustable screw
DISCONNECT: . . . . . . . . . . . . . . .Quick disconnect door arm for
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
4
Open/Close/Stop w/LED
type cams. Adjustable to 24'.
SAFETY
emergency manual door operation.
attached to the bottom edge of door.