Chamberlain 320LM User manual

®
To comply with FCC/IC rules, adjustment or modifications of this receiver
and/or transmitter are prohibited, except for changing the code setting or
replacing the battery. THERE ARE NO OTHER USER SERVICEABLE
PARTS.
Universal Radio Control
OWNERS MANUAL
Children operating or playing with a garage
door opener can injure themselves or others.
The garage door could close and cause
serious injury or death. Do not allow children
to operate the wall push button(s) or remote
control transmitter(s).
A moving garage door could injure or kill
someone under it. Activate the opener only
when you can see the door clearly, it is free of
obstructions, and is properly adjusted.
WARNING
Disconnect power to the garage door opener
before proceeding.
WARNING
NOTE: With the transformer, use a 2 wire
connection ONLY. Attach mounting clips to the
receiver terminals 1 and 2, and to the opener
terminals used for push button controls. Plug the
transformer into the receiver as shown, and into a
120 Volt outlet.
Side 2 contains installation and service
information as well as code setting instruction for
models with transmitter(s).
MOUNTING RECEIVER ON OPENER
Fully extend antenna wire below bottom of case as
shown.
Loosen the two receiver terminal screws labeled 1
and 2. Insert one end of a mounting clip under each
terminal. Make sure the clips are positioned to clear
the receiver flange, as shown. DO NOT RETIGHTEN
AT THIS TIME.
Loosen the two opener terminal screws used for push
button control.
Leaving the push button bell wire in place, insert the
other ends of the mounting clips under the opener
terminal screws. If the number sequence of opener
terminals doesn’t match the receiver, turn the receiver
around (so back is facing out) and complete the
connection.
NOTE: Terminals 1 and 2 on the receiver MUST
be connected to the push button terminals on the
opener.
Retighten the terminal screws on the opener and
receiver. Reconnect power to the opener . T he
receiver push bar should light. If it doesn’t light and
your opener has a radio power terminal, use the third
mounting clip to connect receiver terminal 3 to opener
terminal 3.
If the receiver push bar still doesn’t light, you
must use Transformer Model 85.
Model 320LM Model 320-1LM Model 320-2LM
Receiver Only (With 1 Transmitter) (With 2 Transmitters)
Model 85 transformer may be required if your
garage door opener is a brand other than
LiftMaster, Chamberlain or Sears.
NOTE: Models 320-1LM and 320-2LM are factory
pre-set with matching receiver and transmitter
codes.
THE RECEIVER MAY BE INSTALLED IN ONE OF
TWO WAYS:
1. Mounted directly on the door opener with clips
provided as described below.
2. Attached to an inside wall of the garage with
connecting bell wire (not supplied), described on
side two.
When installing two or more receivers in a garage,
position them at least 10 feet apart to prevent
electronic interference.
To Outlet
Model 85
Transformer
OPENER
TERMINALS
Receiver
Terminals
Antenna Wire Fully Extended
Flange Mounting
Clip #1
©
Mounting
Clip #2
Mounting
Clip #3
Common Push Button Radio Power

114A1525E © 1994, The Chamberlain Group, Inc. Printed in Mexico
All Rights Reserved
SET RECEIVER TO MATCH TRANSMITTER(S) CODE
Pry open the front panel of receiver case with a coin
or a screwdriver.
1. Press and hold the transmitter push button.
2. Then press the "Smart" button on the receiver. The
adjacent indicator light will flash once. Now the
opener will operate when the push button on either
the receiver or the transmitter is pressed.
Repeat Steps 1 and 2 for each transmitter that will
be used to operate the garage door opener.
NOTE: If the remote control push button is not
pressed within 30 seconds, receiver indicator
light will turn OFF. Repeat Steps 1 and 2.
To Erase All Transmitter Codes
• Press and hold the "Smart" code button on the
opener panel until the indicator light turns off (about
6 seconds). All the codes the opener has
learned will be erased.
• Repeat Steps 1 and 2 to reprogram the receiver for
each transmitter in use.
Transmitter
Push Button
Smart
Button
Indicator Light
3
2
1
©
MOUNTING RECEIVER ON GARAGE WALL
Fully extend the antenna wire below bottom of case
as shown.
Fasten the receiver to an inside garage wall with the
screws provided. A convenient place is alongside the
service door and OUT OF THE REACH OF
CHILDREN.
Use existing bell wire, if desired. Attached one end of
2-strand wire to receiver terminals 1 and 2. The other
end must be connected to the two opener terminals
which are used for the push button control. Use
insulated staples to secure bell wire between receiver
and opener.
Reconnect power to the opener. The receiver push bar
should light. If it doesn’t light and the opener has three
terminals, use a third strand of bell wire to connect
receiver terminal 3 to the third opener terminal.
If the receiver push bar still doesn’t light, use
Transformer Model 85.
NOTE: With the transformer, use a 2-wire
connection ONLY. Attach wire to receiver terminals
1 and 2 and to the opener terminals used for push
button control. Plug transformer into receiver and
120 Volt outlet as shown.
To Wall Outlet
Model 85
Transformer
OPENER
WALL
PUSH
BUTTON
TRANS
PRIMARY
24v
1
2
3
Universal Radio
Control (Top)
Common
Push Button
Radio Pwr.
#3 Connection
(optional)