LiftMaster Model SD

Industrial-Duty Door Operator for Single and Bi-Parting Doors

Sliding Door (SD) style commercial door operators are optimal for
industrial applications. SD-style operators have functionality that is
similar to T-style operators, but they are used on single and bi-parting
sliding doors. These operators are directly attached to drive and
control the door.

SD operators are mounted directly above the door.

Logic 5.0 Technology (L5)

Connectivity
• MyQ® Technology enables you to securely monitor and control your
facility operator and lights with your smartphone, tablet or computer
for greater peace of mind.
• Alerts can be received as email or pop-up (push) notifications on
a mobile device, ensuring the status of your commercial door.
• MyQ Mobile App is a free download with no annual activation fee.

Safety and Security
• Security+ 2.0™ safeguards your facility – with every click, a new
code is sent to the commercial door operator so the door opens
only for you.

UL 325 requires all commercial door operators to be either constant
pressure to close or be equipped with a primary external monitored
entrapment protection device.

STANDARD FEATURES:

DUAL VOLTAGE CONNECTIONS
Increase flexibility by enabling the installer to select the required voltage within
phase, to meet job-site requirements.
Within phases, voltage is selectable at the time of installation with the
placement of a connector.
• Single-Phase: 115V and 230V
• 3-Phase: 208V, 230V and 460V
• 575V is a discrete model without field-selectable voltage

EMERGENCY DISCONNECT
Disconnects operator from door for manual sliding in an emergency.

CONTROL FUNCTION SELECTOR DIAL
Enables easy selection and programming of (7) wiring types, from constant
pressure to close, to specialized Timer-to-Close functionality to meet
end-user needs.

TIMER-TO-CLOSE
Conveniently and confidently closes the commercial door automatically after a
predetermined amount of time has elapsed for added security and peace
of mind.

CONTINUOUS-DUTY HIGH-STARTING TORQUE MOTOR
Performs in demanding industrial slide door applications.

MOTOR REMOVABLE WITHOUT AFFECTING LIMIT SWITCH SETTINGS
Saves time and money for maintenance.

ADJUSTABLE FRICTION CLUTCH
Helps to protect door and operator from damage should the door meet
an obstruction.

MID-STOP
Enables partial opening of door to a preprogrammed position for energy
savings, time savings, and convenience.

MAXIMUM RUN TIMER
Reverses or stops door if closing time exceeds expected time-frame to limit
damage to door and operator.

DELAY-ON-REVERSE CIRCUIT
Prevents abrupt reversal of door, reducing wear on the door and
operator system.

3-BUTTON CONTROL STATION WITH
MAINTENANCE ALERT SYSTEM (MAS)
Provides open/close/stop functions and notifications when routine
maintenance is required.

SPECIFICATIONS:
SECURITY+ 2.0™ RADIO RECEIVER

Standard on-board with Logic 5.0 operators. Accepts up to (90) single-button
or (30) 3-Button remote controls plus up to (30) wireless keypads or an
unlimited number of DIP switch remotes.

MOTOR
Continuous-duty high-starting torque motor with instant reverse and overload
protection. Available in 1/2, 3/4 and 1 HP; single- or three-phase. Capacitor
start on single-phase. Removable without affecting limit switch settings.

WIRING TYPE
Operators are factory preset to C2 wiring, providing momentary contact
to open and stop, with constant contact to close. Monitored entrapment
protection, using approved photo sensors or sensing edges is optional,
although recommended, when using C2, D1 or E2. All other wiring types,
B2, T, TS and FSTS can be selected with the addition of an appropriately
monitored entrapment protection device (LiftMaster® CPS-U photo eyes,
LiftMaster OES monitored sensing edge, or a monitored sensing edge
supported by the CPS-EI, as examples). Logic 5.0 operators can only
accept UL-Approved LiftMaster monitored entrapment protection devices.

CONTROL CIRCUIT
5V DC NEC Class 2.

DRIVE REDUCTION
First-stage heavy-duty 5L V-belt; second stage #41 chain; #41 output chain
on trolley.

BEARINGS/BUSHINGS
Industrial ball bearings on output shaft; heavy-duty oil-filled bushings on
reduction shaft.

BRAKE
Standard on all SD operators.

CONSTRUCTION
NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable
powder coat finish, all reduction sprockets drilled and pinned to shafts.

#41 TROLLEY ROLLER CHAIN
Standard on all SD Operators.

WARRANTY
Two Years.