Chamberlain LiftMaster Professional 98LM Owner's Instructions

Motion detecting door control panel for use with garage door openers manufactured after january 1, 1995

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NOTE: After installation, the green indicator light behind

the push bar cover will indicate proper connection.

For standard wall mount,

Do not

overtighten.

DO NOT CONNECT TO LIVE ELECTRICAL WIRING. CONNECT ONLY

TO 24 VOLT LOW VOLTAGE WIRES. CONNECTION TO LIVE WIRES

OR HIGHER VOLTAGE MAY CAUSE SERIOUS INJURY FROM SHOCK,

BURN OR ELECTROCUTION.

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.

Install the door control (or any additional push buttons) out of the

reach of children and away from all moving parts of the door and

door hardware, but where the garage door is visible. Do not allow

children to operate the push button(s) or the remote control

transmitter(s).

A moving garage door could injure someone under it. Activate the

opener only when the door is properly adjusted, you can see it

clearly, and there are no obstructions to door travel.

For pre-wired installations,

not overtighten.

NOTE: The automatic light feature will become functional

6-1/2 minutes after power is restored.

Table of Contents

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Page 1 TO 24 VOLT LOW VOLTAGE WIRES. CONNECTION TO LIVE WIRES OR HIGHER VOLTAGE MAY CAUSE SERIOUS INJURY FROM SHOCK, BURN OR ELECTROCUTION. 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.
Page 2 Override Feature, Special note for older garage door openers: Automatic Light To activate: To turn off:...