Motor:
Powerful 1/2 HP, single phase motor with
instant reverse and internal automatic reset thermal
overload. Removable without affecting limit switch settings.
Auxiliary Reversal
System: Designed to
protect the door and door Garage Door Opener from damage; if a closing
door strikes an obstruction, the Auxiliary Reversal System
will detect the slip of the clutch and reverse the door to
the full open position. This system is not a substitute for
a safety sensing device such as a photo cell or reversing
edge.
Wiring Type:
All operators are factory preset to C2
wiring providing momentary contact to open and stop, with
constant contact to close. Momentary contact to close (B2
wiring) can be easily set. The operator is pre-wired to
garage door opener troubleshooting accept a sensing device, photoelectric control, radio
controls and most types of access control equipment.
Rail Assembly:
High strength dual L-rail track with
exclusive nylon quiet gliding chain guides on rail spacers
for quiet, smooth operation. Includes quick-mount header
bracket which provides fast, swing-up installation.
Operator/Motor Control:
Dependable dual relay system (NEMA 1 enclosure).
Control Circuit:
24V NEC Class 2.
Drive Reduction:
First stage heavy-duty 4L V-belt; second
and third stages #48 chain; output on trolley #48 chain.
Emergency Disconnect:
Spring-loaded disconnect for emergency manual operation.
Pushbutton Station:
3-button station for OPEN/CLOSE/STOP functions is standard
for all operators. Controls garage door opener
troubleshooting with one, two and three buttons
are available.
Construction:
Garage Door Opener NEMA 1 type electrical box, heavy-duty
11-gauge steel frame with baked-on powder coat finish, all
reduction sprockets drilled and pinned to shafts.
Bearings:
Heavy-duty, oil filled bearings.
External Radio
Control Terminal: External
terminals provide quick, convenient connections for
universal radio controls.
Friction Clutch:
Adjustable friction clutch helps protect
against damage to the door and Garage Door Opener should the door meet
an obstruction. Works in conjunction with the Auxiliary
Reversal System.
Control Accessories
and Options:
Solenoid Brake:
Solenoid actuated brake prevents coasting.
Order operator BMT. Standard on 3/4 HP and higher.
Auto-Reconnect Trolley Assembly:
Spring-loaded trolley features nylon
inserts for quiet operation and auto-reconnect feature
eliminating garage door opener troubleshooting the need to manually reattach the door arm to
the trolley after emergency disconnect.
Sensing Edge:
(Recommended) Designed to sense an obstruction and signal
door operator to stop or reverse as desired. Either an
electric or pneumatic sensing device can be added to bottom
edge of door.
Radio Control:
Universal transmitters and receivers are
available to signal the Garage Door Opener to open and/or close.
Key Switch:
Designed to restrict operation of door to
authorized personnel only. Various types available.
Interlock Switch:
Prevents accidental operation of the door
by interrupting the control circuit.
Commercial Protector
SystemTM (Recommended):
An inexpensive "non-contact" photo safety
sensor designed to garage door opener troubleshooting sense an obstruction and signal the door
operator to reverse to open.
Safety of a
non-contact infrared reversing sensor
Fast and
easy-to-install
Patented
electrical interface monitors system status at all times
