ATA GDO-8V3 ASM Shedmaster Garage Motor/Opener

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Motor Manual

Motor Brochure

Quick Operation Guide

With a tough, IP24 rated weather resistant housing, the Shed Master® is perfect for exposed applications like perimeter doors and open carports. With a keyed lockout for added security and slim fit design, it is ready for harsh and testing environments.

Standard features also include Intelligent Safety System, Door Profiling and Automatic Technology's own TrioCode transmitter system. This opener will tell you when it's due for a service and prevents unauthorised entry with a built-in lockout system.  If you need a solution to last in all weather conditions then this is the opener for your door.


  • Easy to install
  • Quiet and efficient to run
  • TrioCode 128 Technology
  • Automatic Limit Positioning System
  • Weather Resistant
  • Slim Fit

Remotes Included: 2 (PTX-5v2)



1 x GDO-8v3 Motor (GEN 2)
2 x PTX5v2 Remotes
1 x Installation Instructions
2 Years Manufacturers Warranty*

*Warranty Disclaimer

*Please Note: To receive full manufacturer warranty, you must be able to provide proof of install by a garage installer and the door must have a regular servicing history as per the manufacturer terms and conditions which can be found on the manufacturer's website or in your user manual

Power supply: 230 - 240Va.c. 50Hz
Maximum Door Height: 3.25 turns of the drum wheel (approx. 3000mm)
Maximum Door Weight: 100kg
Maximum Door Area: 16.5m2
Minimum sideroom: 40mm
Lift Force: 450N
Nominal force: 120N (12kg)
Receiver type: Multi-frequency UHF FM (433.47, 433.92 & 434.37MHz)
Remote Memory Capacity: 8
Coding System: TrioCode 128 Type
Coding type: Code Hopping
Number of code combinations: Over 100 billion random codes
Transmitter battery: CR2032 (3 Volts)
Courtesy light: Light Module (Optional)
Network connectivity:  Not Available