MOTOR
SPECIFICATIONS
TYPE:
Intermittent duty
HP:
1/2 HP
SPEED:
1500 RPM
VOLTAGE:
115V 1 Phase 60Hz
CURRENT:
See motor nameplate
ELECTRICAL
TRANSFORMER:
24VAC
CONTROL STATION:
3-button station
OPEN/CLOSE/STOP
WIRING TYPE:
B2 (Standard, when powered)
C2 (When photoeyes are
blocked or not present)
LIMIT ADJUST:
Linear driven, fully adjustable
screw type cams. Adjustable to
16 feet.
LDT, LDTB
MECHANICAL
SAFETY
DRIVE REDUCTION:
Primary: Heavy duty (4L) V-Belt
Secondary: #48 chain/sprocket
Output: #48 chain
OUTPUT SHAFT
SPEED:
120 RPM
DOOR SPEED:
Approx. 10” per sec.
BRAKE (Optional):
Solenoid actuated drum brake
BEARINGS:
Ball bearing with hardened
races.
DIMENSIONS & WEIGHT
OPERATOR
HANGING WEIGHT:
50-60 LBS
DIMENSIONS:
Page 17
DISCONNECT:
Quick disconnect door arm
for emergency manual door
operation.
PHOTO EYES:
Included with Operator.
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.
WARNING
2
Improperly operating
or an unbalanced door
could cause SERIOUS
INJURY or DEATH.
See Door
Manufacturer’s Owner’s Manual. Have trained
door systems technicians make repairs to
cables, spring assemblies, and other hardware.