User Guide

MOTOR
TYPE: .................................Continuous duty
HORSEPOWER: ................1/3, 1/2, 3/4 & 1 Hp
SPEED:...............................1725 RPM
VOLTAGE: ..........................115, 208-230 Single phase
230, 380, 460, 575 Three Phase
CURRENT:..........................See motor nameplate
MECHANICAL
DRIVE REDUCTION:.............Primary: Heavy duty
(5L) V-Belt. Secondary: #41 chain/sprocket. Output:
#48 chain (1/3 &1/2Hp) or #41 chain (3/4 &1Hp)
OUTPUT SHAFT SPEED:.....140 R.P.M.
DOOR SPEED: ......................11" - 12” per sec.
depending on door
BRAKE: .................................Solenoid actuated disc
brake on 3/4 & 1Hp
BEARINGS: ...........................Output Shaft: Shielded
Ball Bearing. Clutch Shaft: IronCopper sintered and
oil impregnated.
SAFETY
DISCONNECT:..............Quick disconnect door arm for
emergency manual door operation.
SAFETY PHOTO EYES: (Optional) Thru beam or retro
reflective devices used to provide non-contact safety
protection. Directly interface to Lift Master CPS-L or
CPS-LN4 Commercial Protector Systems.
SAFETY EDGE:............(Optional) Electric or pneumatic
sensing device attached to the bottom edge of door.
A REVERSING DEVICE IS STRONGLY RECOM-
MENDED FOR ALL COMMERCIAL OPERATOR
INSTALLATIONS. REQUIRED WHEN THE 3 BUTTON
CONTROL STATION IS OUT OF SIGHT OF DOOR
OR ANY OTHER CONTROL (AUTOMATIC OR MAN-
UAL) IS USED.
SPECIFICATIONS
ELECTRICAL
TRANSFORMER:.............24VAC Secondary
CONTROL STATION:......NEMA 1 three button station.
OPEN/CLOSE/STOP W/ LED
WIRING TYPE:.................C2 (Factory Shipped)
Momentary contact to OPEN & STOP, constant pres-
sure to CLOSE, open override plus wiring for sensing
device to reverse. See pages 15 thru 19 for optional
wiring types and operating modes.
LIMIT ADJUST: ................Linear driven, fully
adjustable screw type cams. Adjustable to 24 feet.
WEIGHTS AND DIMENSIONS
HANGING WEIGHT: .........80-110 LBS.
10-1/2”
Door Height Plus 4 feet (minimum)
20-1/2”
13-1/8”
HIGHEST POINT OF DOOR TRAVEL
4”
*
*
*
- For Units with Brake add 3-1/2”
(Standard on 3/4 & 1Hp models Optional on 1/3 & 1/2Hp)
3