LiftMaster 81550 HP AC Belt Drive Wi-Fi Garage Door Opener Owner’s Manual
- October 29, 2023
- LiftMaster
Table of Contents
LiftMaster 81550 HP AC Belt Drive Wi-Fi Garage Door Opener
Popular features
AC Motor
Purposefully designed and built to last.
myQ® Connected
Control, secure and monitor the garage from the myQ app anytime, from anywhere.
Secure in-garage delivery
Enables Amazon Key In-Garage Delivery – free for Amazon Prime members.
Security+ 2.0®
Safeguards garage access by sending a new code with every click of the remote
Invisible light beam system
Auto-reverses the garage door if there is an obstruction.
Posilock® protection
Electronically protects against forced openings of the door.
Integrated Bluetooth technology
Reduces setup time and makes it even easier to connect to the myQ app, other myQ devices and smart home technology solutions
Quiet operation
Long-lasting belt drive for quiet, maintenance-free performance
Do more with myQ
Use the myQ app to control, secure and monitor your garage and conveniently share and manage access to your home without sharing passcodes or keys. Also, take the hassle out of service repair and easily connect to a trusted Dealer through the myQ app.
myQ Diagnostics
As often as you go in and out of your garage each day, it can be stressful when your garage door doesn’t open. myQ Diagnostics, in the myQ app, provides real-time insights for your garage door via the Health Report. You will be sent alerts if an issue arises and connected to professional services if needed.
In the box
893LM
3-Button Remote Control
Operates up to 3 openers or myQ light accessories. Safeguards your home with
Security+ 2.0.
882LMW
Multi-Function Control Panel®
Includes lockout controls and accessory programmability
Specifications
Motor
1/2 Horsepower AC, 1,625 RPM, automatic thermal protection, permanent lubrication
Mechanics
- Steel chassis, T-rail and trolley, full reinforced belt drive mechanism (16:1 gear reduction and adjustable door arm)
- Auto-force adjustment for changing weather and environmental conditions
- Electronic limits for easy setup
- AC Wi-Fi logic board with built-in surge suppressor (for replacement logic boards, order part 050ACTB)
Power
120V AC, 60 Hz voltage, 6A current rating, UL® Listed, 4′ power cord (3-prong)
Speed
7″ per second upward, 7″ per second downward
Lighting
Max. 1 100-watt lightbulb; Enhanced CFL (compact fluorescent) compatible, max. 26 watts.
Dimensions
| Rail Options: | 7′ | 8′ | 10′ |
|---|---|---|---|
| Installed Length: | 124″ | 136″ | 160″ |
| Max Opening: | 7′ 6″ | 8′ 6″ | 10′ 6″ |
Headroom clearance required: 2”
Warranty
4 Year: Motor
1 Year: Parts
Security+ 2.0
Radio controls:
Operating range: ~200’; Operating temperature: -30°F to 150°F; 3-Button
Remote Control (893LM); Remote Control
Code Format: Security+2.0; Garage Door Opener Code
Format: Security+2.0; Security+ 2.0 Anti-burglary coding.
Encrypted controls: Multi-Function Control Panel (882LMW); Program remote controls; Maintenance alert system; Easy Wi-Fi setup.
myQ Radio
902-928 MHz 50-Channel FHSS (frequency hopping spread spectrum); Provides 2-way communication from garage door opener and myQ accessories; Enables monitoring and control of garage door openers via smartphone or tablet.
HomeLink® compatible (version 4.0 or higher)
May require an external adapter depending on the model and year of your vehicle. Visit HomeLink.com for additional information.
Convenience and safety
Alert-2-close with unattended close operation† ; Emergency/quick release; Automatic trolley reconnect; Ventilation/pet opening; Down safety reverse; Up safety stop; Maintenance alert system; Garage door opener capacity of up to 12 remote controls, 1 keyless entry system and 16 my Q devices.
Carton 1 shipping details
Dimensions: 20″ x 12″ x 10″
Contents: Garage Door Opener Head (81550), MultiFunction Control Panel
(882LMW), 3 Button Remote Control (893LM), The Protector System® Safety
Reversing Sensors Weight: 20 lbs.
Carton 2 shipping details
Dimensions: 10’4″ x 5″ x 5″ (for 7′ rail)
Contents: Assembled Solid-Steel Belt T-rail
Weight: 17 lbs.
For purchase and professional install
For partners
Orders: 800.282.6225 | Support: 800.528.2806 | Self service: LiftMasterTraining.com
WARNING: to reduce the risk of injury to persons — ONLY enable Timer-to- Close and myQ remote operation features when opener is installed on a sectional door.
© 2022 The Chamberlain Group, LLC. All Rights Reserved.
Lift aster, the Lift aster logo, my Q and the my Q logo are registered
trademarks of The Chamberlain Group, LLC. UL® and the UL logo are trademarks
of UL LLC. Wi-Fi® is a registered trademark of Wi-Fi Alliance. Home Link® and
the Home Link House® logo are registered trademarks of Gentex Corporation. The
Bluetooth® word mark and logos are registered trademarks owned by Bluetooth
SIG, Inc.
LMGDENPG81550 03/22
Documents / Resources
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LiftMaster 81550 HP AC Belt Drive Wi-Fi Garage Door
Opener
[pdf] Owner's Manual
81550 HP AC Belt Drive Wi-Fi Garage Door Opener, 81550, HP AC Belt Drive Wi-Fi
Garage Door Opener, Drive Wi-Fi Garage Door Opener, Garage Door Opener, Door
Opener, Opener
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