User Guide

2
MOTOR
TYPE: .................................Continuous duty
HORSEPOWER:.................1/3, 1/2, 3/4 & 1 Hp
Single or Three phase
SPEED:...............................1725 RPM
VOLTAGE: ..........................115, 220, 230 Single
phase
208, 230, 460, 575 Three
phase
CURRENT: .........................See motor nameplate
MECHANICAL
DRIVE REDUCTION:...Primary: Heavy duty (5L) V-Belt.
Secondary: #48 chain/sprocket Output: #50 chain
OUTPUT SHAFT SPEED:.....36 R.P.M.
DOOR SPEED:......................6 - 7” per sec.
depending on door
BRAKE: (Optional) ...............Solenoid actuated disc
brake
BEARINGS:...........................Output Shaft: Shielded
Ball Bearing. Clutch Shaft: IronCopper sintered and
oil impregnated.
HAND CHAIN WHEEL: .........Left or right handing
Models H and HJ only.
SAFETY
DISCONNECT :
Model J: Floor level disconnect for emergency manual
door operation.
Model H: Floor level chain hoist with electrical interlock
for emergency manual door operation.
Model HJ: Includes both floor level disconnect
systems stated above.
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.
SPECIFICATIONS
ELECTRICAL
TRANSFORMER:.............24VAC
CONTROL STATION: ......NEMA 1 three button station.
OPEN/CLOSE/STOP
WIRING TYPE:.................C2 (Factory Shipped)
Momentary contact to OPEN & STOP, constant
pressure to CLOSE, open override plus wiring for
sensing device to reverse. See pages 13 and 14 for
optional control settings and operating modes.
LIMIT ADJUST:................Linear driven, fully
adjustable screw type cams. Adjustable to 24 feet.
20.91”
7.50”
5.50”
6.63”
13.75”
1.50”
4.75”
4.41”
4.63
13.00”
16.50”
14.50”
7.25”
8.00”
7.50”
A
A
AA
B
B
B
B
MOUNTING DIMENSIONS
A - Wall Mounting
B - Bracket Mounting (rolling door)
WEIGHTS AND DIMENSIONS
HANGING WEIGHT: .........80-110 LBS.
Hand Chain Wheel
present with Models
H and HJ only.