LIFTMASTER model ATS211X commercial opener is a 1/2hp chain drive. It is part of the premium series. This garage door opener has an ac motor on 110vac. A battery backup is not available. The remotes are rolling code on 390. The rail is style is Solid I.
The warranty on the ATS211X garage door opener is 1 year on the motor and 1 year on the remaining opener parts from LIFTMASTER.
The model ATS211X is discontinued.
LIFTMASTER model ATS211X commercial opener instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
(2.07 MB in English) This requires Acrobat 10 or higher