LiftMaster Jackshaft DD08900W Light Duty Dock Door Operator Owner’s Manual
- June 1, 2024
- LiftMaster
Table of Contents
LiftMaster Jackshaft DD08900W Light Duty Dock Door Operator
Specifications
- Model: DDO8900W
- Type: Light-Duty Jackshaft Dock Door Operator
- Speed: 12 inches per second for door to move upward, 8 inches per second for door to move downward
- Max. Door Area (Sq. Ft.): 180 ft. total sectional (14 ft. or 16 ft.)
- Max. Height: 7.5 ft.
- Max. Width: 3.2 ft.
- Headroom Clearance Required: 3 inches from center of the torsion bar
- Max Door Weight: 300 lbs.
- Operating Range: ~200 ft.
- Shipping Weight: 30.6 lbs.
Installation
Follow the installation guide provided in the product manual to correctly
install the dock door operator. Ensure proper headroom clearance and weight
specifications are met.
Optional Accessories Installation
If using optional accessories like the wall mount, trailer presence sensor,
proximity reed switch, or others, refer to the accessory manuals for
installation instructions.
Operation
- Use the provided remote controls or wireless keypad to operate the dock door operator.
- Avoid exceeding the maximum weight and size limits of the door.
- Maintain a clear operating range for remote control functionality.
- If battery backup is installed, ensure it is charged and functional for power outages.
FAQ
What type of doors is the DDO8900W suitable for?
The DDO8900W is designed for full vertical lift, sectional commercial doors
with light-duty cycle requirements.
JACKSHAFT (D DO 8 9 00W)
LIGHT-DUTY DOCK DOOR OPERATOR
Ideal for applications that require full vertical lift AnOR AD with liaht-duty
cvcle reauirements.
SMART
myQ BUSINESS FACILITY LETS YOU ANALYZE AND OPTIMIZE PRODUCTIVITY WITH
INTUITIVE CONTROL AND MONITORING CAPABILITIES. ANNUAL SUBSCRIPTION, FIRST YEAR
INCLUDED.
LMiS MONITORS UP TO 5 EXTERNAL SENSORS, ENABLING THE DOCK DOOR SESSION FEATURE
IN myQ BUSINESS FACILITY AND VISUALIZATION OF PRODUCTIVITY AT THE DOCK.
BUILT-IN WI-FI® FOR SIMPLE OPERATOR INTERNET CONNECTION.
SAFE AND SECURE
- 3-BUTTON STATION INCLUDED STANDARD FOR FLOOR-LEVEL ACCESS. DOOR LOCK CAPABILITY LETS YOU ADD UP TO (2)
- DOOR LOCKS TO YOUR SYSTEM FOR ADDED SECURITY.
- SMOOTH START/STOP REDUCES WEAR OF YOUR DOOR SYSTEM FOR LASTING PERFORMANCE.
- TIMER-TO-CLOSE CAN BE PROGRAMMED TO CLOSE THE DOOR AFTER 1, 5 OR 10 MINUTES. SECURITY+ 2.0®
- SAFEGUARDS FACILITY ACCESS WITH ROLLING CODE TECHNOLOGY, OPENING FOR REGISTERED DEVICES ONLY.
RELIABLE
WARRANTY: 2 YEARS.
BEYOND INDUSTRY STANDARDS: LIFTMASTER® IS COMMITTED TO QUALITY PRODUCTS, INNOVATIVE DESIGN AND COMPREHENSIVE SERVICES.
OPTIONAL ACCESSORIES
POWERFUL ADD-ONS 
LiftMaster offers accessory solutions for any commercial application. View the full product lineup at LiftMaster.com
MASTERFUL ENGINEERING.
MOTOR
- 12V DC
- Automatic Thermal Protection
- Permanent Lubrication
POWER
- 120V AC
- 60 Hz Voltage
- 2.0A Current Rating
- UL® Listed
- 6′ Power Cord (3-Prong)
COMMERCIAL-GRADE DESIGN
- Steel Chassis and Rigid Plastic Cover
- Internal Chain and Sprocket Drive Mechanism (63:1 Gear Reduction)
- Auto-Force Adjustment for Changing Weather and Environmental Conditions
- Electronic Limits for Easy Setup
- Expanded Terminal Block on DC Wi-Fi® Logic Board Has Integrated Flasher Circuit and Door Interlock to Accommodate Commercial Accessories (for Replacement Logic Boards, Order Part 050DCDDOWF)
LIGHT-DUTY JACKSHAFT DOCK DOOR OPERATOR
STANDARD SPECS.
SECURIT
+ 2.0® RADIO CONTROLS
Commercial Door Operator
Optional 3-Button Remote Control with Open/Close/Stop (813LM)
- Program Using Optional 881LM Control Panel
Optional 1-Button Remote Control (811LM)
SHIPPING
SHIPPING WEIGHT
( in lbs. )
CARTONS (1)
CARTON 1: 27.88″ x 11.61″ x 9.79″
-
Commercial Door Opener (DDO8900W)
-
Accessor y Inter face (LMi5)
-
(1) Cable Tension Moni tor (041A6104) ;
Addi t ional Moni tor Can Be Added -
3-But ton Cont rol Stat ion (02-103)
-
The Protector System® Safety
Reversing Sensors
LIGHT-DUTY APPLICATIONS
The DDO Is Designed for Appl icat ions Using Ful l Ver t ical , Sect ional
Commercial Doors Requi r ing 25 Cycles or Fewer per Day.
This Operator Is Ideal for
- Warehouses wi th Ful l Ver t ical Li f t Dock Doors
- Businesses wi th Smal ler Sect ional Ver t ical Li f t Doors
- Dist r ibut ion Centers
- Thi rd-Par ty Logist ics Faci l i t ies (3PL)
- Energy-Conscious Warehouses
- Of f ice/Commercial Faci l i t ies wi th Loading Docks
© 2022 The Chamberlain Group LLC. All Rights Reserved. LiftMaster, the
LiftMaster logo, myQ and the myQ logo are registered trademarks of The
Chamberlain Group LLC.
300 Windsor Drive, Oak Brook, IL 60523
LiftMaster.com
UL® and the UL logo are trademarks of UL LLC © 2022 All Rights Reserved.
Wi-Fi® is a registered trademark of Wi-Fi Alliance
LMCDENPGDDOMC21 1/22
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