User manual LIFT-MASTER 902LM

[. . . ] WARNING CAUTION MODELS · 902LM · 903LM OWNERS INSTRUCTIONS The two and three garage door multi-function control panel is designed to replace multiple door control buttons on LiftMaster Security garage door openers. It can be used as a replacement stand alone unit or in conjunction with the original factory door control buttons. Never connect more than two control panels or door control buttons to any one garage door opener. Multi-Function Door Control Panel Door Control Push Button Lock Button Quick-ConnectTM Terminals WARNING WARNING To prevent possible SERIOUS INJURY or DEATH from electrocution: · Be sure power is not connected BEFORE installing door control. [. . . ] The exposed wire must not come into contact with exposed solder points. Connect bell wire to the Quick-ConnectTM terminals located on garage door opener as follows: white to white and white/red to red. NOTE: The door control button may stick if the door control is not mounted on a smooth surface. If a click is not heard when pressing the door control button, loosen the two mounting screws or relocate the door control to a smoother surface. After installation, an orange indicator light behind the door control buttons will indicate proper connection. If not lit, the Lock and Light features will not function (reverse wires to correct). Terminal Screws Terminal Screws Terminal Screws Bottom Mounting Holes 2-Conductor Bell Wire 902LM Terminal Screws Terminal Screws Bottom Mounting Holes 2-Conductor Bell Wire 903LM Figure 2 Gently Twist Top FOR WALL BOARD (DRYWALL) MOUNT Remove the left and right door control buttons by gently twisting at the top with a small flat blade screwdriver exposing the horizontal installation holes. FOR MOUNTING ONTO A SINGLE ELECTRICAL GANG BOX Remove the center cover or door control button by gently prying at slot in top of the door control button with a small flat blade screwdriver exposing two installation holes. For flexibility, this wall control can be mounted either left or right of center directly over gang box. Install bottom screw, allowing 1/8" to protrude above wall surface. Position bottom of door control on screw head and slide down to secure. NOTE: Mounting hardware is included for each type of installation (use all four screws if desired). Figure 3 Enlarged View To Replace Insert Bottom Tabs First Figure 4 Enlarged View Single Gang Box 24 Volt Bell Wire To Replace Insert Bottom Tabs First USING THE DOOR CONTROL Press the door control button to open or close the door. Press again to reverse the door during the closing cycle or to stop the door while it's opening. Light feature: Press the Light button to turn the opener light on or off. If you turn it on and then activate the opener, the light will remain on for 4-1/2 minutes. [. . . ] The Lock feature will also turn off whenever the "Smart" (learn) button on the motor unit panel is activated. NOTE: The lock and light features will work properly on Security garage door openers manufactured after 1997. For further product information refer to your owner's manual or go to www. liftmaster. com Figure 5 Quick-ConnectTM Terminals Door Control Connections KG Red White Black 7/16" Strip wire 7/16" Opener Terminal Screws 1 2 3 BACK PANEL Figure 6 Lock Button Light Button Lock Button Light Button 114A2633B © 2002, The Chamberlain Group, Inc. [. . . ]