Chamberlain door opener - Manual

This Operator Features
the Enhanced
Radio Receiver
Built on Board
O W N E R ’ S M A N U A L
GH
INDUSTRIAL DUTY COMMERCIAL DOOR OPERATOR
ogic
L 3
NOT FOR RESIDENTIAL USE
A
L
E
R
T S Y S
T
E
M
M
A
IN
TENAN
C
E
PAT E N T P E N D I N G
The Maintenance Alert System™ allows the
installer to set an internal Maintenance
Cycle Counter. The Logic 3 operator
incorporates a self-diagnostic feature built
into the (MAS) Maintenance Alert System
LED. An LED on the 3-button station will
signal when the set number of cycles/
months is reached or when the operator
requires immediate service.
Serial # Box
Installation Date
2 Y E A R W A R R A N T Y
315MHz
Visit www.LiftMaster.com to locate a professional
installing dealer in your area.
INTENDED FOR PROFESSIONAL
INSTALLATION ONLY
A SAFETY DEVICE IS HIGHLY RECOMMENDED