Specifications; Weights And Dimensions - Chamberlain GH Owner's Manual

MOTOR
TYPE: .................................Continuous duty
HORSEPOWER: ................1/2, 3/4, 1, 1-1/2 Hp
SPEED:...............................1725 RPM
VOLTAGE: .........................115-230 Single phase
CURRENT: .........................See motor nameplate
MECHANICAL
DRIVE REDUCTION:.............40:1 Reduction
OUTPUT SHAFT SPEED: .....43 R.P.M.
DOOR SPEED: ......................4 - 10" per sec.
BRAKE: .................................Solenoid actuated disc
HOIST WHEEL: .....................Standard mounting on

WEIGHTS AND DIMENSIONS

HANGING WEIGHT: .........80-110 LBS.
"
14.00
A
Y
See
Note #2
X
Hand Chain Wheel
NOTES:
1) Output Shaft with 1" x 1/4" Key for 1/2 thru 2Hp operators, 1-1/4" x 1/4" Key for 3Hp operators.
2) MT'G CENTERS:
3) Hand Chain Wheel extends 1-5/8" beyond operator in vertical mounting position as shown.

SPECIFICATIONS

Single or Three phase
2 HP Three phase
230 Three phase
Heavy duty bronze worm
gear reducer
depending on door
brake
left or right side
B
See
Note #1
C
X = 4-3/4"; Y = 5-1/2" for 1/2 thru 2Hp operators
X = 7-17/32"; Y = 9-1/16" for 3Hp operators
ELECTRICAL
CURRENT VOLTAGE:.....5V dc
AUXILIARY VOLTAGE: ...24V dc
CONTROL STATION: .....NEMA 1 three button station.
WIRING TYPE: .................C2 (Standard)
Momentary contact to 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, Pg. 14)
LIMIT ADJUST: ................Linear driven, fully
adjustable screw type cams. Adjustable to 30 feet.
DISCONNECT: .............Floor level chain hoist with elect-
rical interlock for emergency manual door operation
CLUTCH: (optional)....Adjustable torque limiter type
REVERSING EDGE:.....(Optional) Electric or pneumatic
sensing device attached to the bottom edge of door.
A REVERSING EDGE IS STRONGLY
RECOMMENDED FOR ALL COMMERCIAL
OPERATOR INSTALLATIONS. REQUIRED WHEN
THE 3 BUTTON CONTROL STATION IS OUT OF
SIGHT OF DOOR OR ANY OTHER CONTROL
(AUTOMATIC OR MANUAL) IS USED.
HP PHASE
1/2 1
11-1/2
3/4 1
12-1/2
1 1
12-3/4
D
1
1-1/2
12-3/4
1/2 3
Y
3/4 3
1 3
1-1/2 3
12-1/2
See 2 3
12-3/4
Note #3
3 3
13-1/4
2
OPEN/CLOSE/STOP
SAFETY
DIMENSIONS
A B C
25-3/4 12-63/64
26-3/4 12-63/64
27 12-63/64
27 13-63/64
11
25-1/4 12-63/64
11 25-1/4 12-63/64
12 26-1/4 12-63/64
26-3/4 13-63/64
27 13-63/64
28-5/8 15-15/64
D
3
3
3
3-1/2
3
3
3
3-1/2
3-1/2
3