4
PRO-LT medium duty trolley operator is designed for standard lift overhead sectional garage doors
with low duty cycles.
STANDARD OPERATOR \VEIGHT:
40-45 Lbs.
MOTOR:
Intermittent duty l 000 RPM motor with high starting torque.
-Thermally protected by a built-in thermostat that cuts power to the motor and control circuit
when overheating.
-Horsepower: l/2HP -Voltage: I 15V, 220V I-phase
,.
' ThIPORT ANT NOTE
.
THIS MEDIUM DUTY OPERATOR IS DESIGNED TO OPERATRx
A MAXIMUM OF 15 COMPLETE CYCLES PER HOUR.
'·.' '•¾�'
REDUCTION:
Primary: (4L) V-belt and pulleys (1 .5'' to 7" diameter)
Secondary: #41 chain and sprockets
OUTPUT SHAFT SPEED:
90 RPM
DOOR SPEED:
9"/second
SOLENOID BRAKE (OPTIONAL):
Solenoid Brake system available for model PRO-LTB
WIRING TYPE (STANDARD):
C-2 Wiring constant pressure on close, momentary contact on open
and stop. Wired to accept reversing edge, radio control, photocells, loops and OPEN/
CLOSE devices.
NOTE: (if momentarv contact on close (B2) wiring is desired:
Re-install
the purple wire onto terminal #5.
TRANSFORMER:
24V AC control circuit, supplies power to drive control relays with 15V A power
available for external devices.
LIMIT ADJUSTMENT:
4 micro switches that control door travel. These lin1it switches are activated by
fully adjustable screw type cams.
EMERGENCY DISCONNECT:
Quick release disconnect door arm to allow person to disengage
operator drive chain from door for manual operation.
CLUTCH:
Adjustable friction clutch to minimize damage to door operator, door or vehicles.
OPERATOR DIMENSIONS:
0
I
7
10·
