Chamberlain GAILM User Manual

®
Overview
The Gate Access Intercom can be used as either a
primary or secondary door and gate access point. It
can be used to control electric gates, entry doors, or
pedestrian doors with electric strikes. The Intercom
uses a secure digital connection that allows it to
operate without interfering with other Intercom
networks.
The Intercom is compatible with various Liftmaster
Wireless Products.
Carton Inventory
Intercom
Setup
Install Batteries
Set Dipswitches
Primary Intercom: Switch #1 is set to
the UP position (default).
Secondary Intercom: Switch #1 is set
to the DOWN position.
Bolt (4)
Screw (4)
Washer (4)
Allen Wrench
Nut (4)
Install 4 AA Alkaline
batteries (not provided).
(Lithium batteries
recommended for colder
environments.)
NOTE: If there is already an existing receiver proceed
to Pre-Installed LiftMaster Receiver.
Gate Control Unit (GCU) (not provided)
NOTE: This step applies only if Intercom is going to
control a gate or electric strike. If not, proceed to
Program Accessories.
Set the Dipswitches on the Intercom to match the
GCU number to be controlled:
Control
Gate #
1
2
3
Refer to GCU manual for GCU Dipswitch settings.
Program Intercom to GCU
NOTE: If there is already an existing receiver proceed
to Pre-Installed LiftMaster Receiver section.
Step 1: Remove GCU cover.
Step 2: Install 4 AA Alkaline
batteries (not provided). (Lithium
batteries recommended for colder
environments.)
Step 3: Press the Learn button on
the GCU for one second. The LED
will light for 20 seconds.
Step 4: Within 20 seconds, press
and hold the Learn button for 10
seconds.
The Intercom will beep and the GCU will
cycle the relay and flash 3 times indicating
programming is successful.
1
Model GAILM
Gate Access Intercom
Dipswitch Dipswitch
#1
DOWN
UP
DOWN
#2
DOWN
DOWN
UP