LiftMaster J J - NEW STYLE DISCONNECT Manual - Page 3

Specifications, Motor, Mechanical, Safety, Electrical, Weights And Dimensions - 50

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SPECIFICATIONS 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 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 pressure to CLOSE, open override plus wiring for sensing device to reverse. See pages 16, 17 and 18 for optional wiring types and operating modes. LIMIT ADJUST Linear driven, fully adjustable screw type cams. Adjustable to 24 feet. 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. 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 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. WEIGHTS AND DIMENSIONS HANGING WEIGHT: .........80-110 LBS. 14.44" 7.27" 7.17" 2.00" 17.63" 14.60" 4.63" MOUNTING DIMENSIONS A - Wall Mounting B - Bracket Mounting (rolling door) 3/8" BOLT 7.56" 4.41" 6.59" A B 5.50" B 1.50" A B 13.75" B 8.83" 7.31" 16.50" 3 Hand Chain Wheel present with Models H and HJ only. A A 4.56"

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3
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:
#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.
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 16, 17 and 18
for
optional wiring types and operating modes.
LIMIT ADJUST:
................
Linear driven, fully
adjustable screw type cams. Adjustable to 24 feet.
17.63”
7.56”
5.50”
6.59”
13.75”
1.50”
4.56”
4.41”
4.63”
14.60”
16.50”
14.44”
7.27”
8.83”
7.31”
A
A
A
A
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.
7.17”
2.00”
3/8” BOLT