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 |
Quick-Connect™ Terminals |
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Door Control Panel |
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Door Control
Push Button
Lock
Button Door
Control
Button
Light Button
INSTALLATION
Product may be mounted directly to wall board or, for pre-wired installations (as in new home construction), it may be mounted to a single gang box. In either case the installation surface must be smooth and flat.
The door orientation goes from left to right, and wiring is as follows:
•Left Door – Door A
Wire white wire to White-1 and red/white wire to Red-1
•Middle Door – Door B
Wire white wire to White-2 and red/white wire to Red-2
Note: Model 902 LM will only have A and C terminals.
•Right Door – Door C
Wire white wire to White-3 and red/white wire to Red-3
NOTE: If replacing existing wall controls, labeling the existing wires with masking tape might be helpful (i.e. Door A, Door B, Door C).
1.Strip 7/16" of insulation from one end of bell wire and connect to the corresponding two screw terminal on back of door control by color. Figure 1. White to WHITE and red/white to RED. Be careful to wrap the exposed wire tightly around the screw and tighten. The exposed wire must not come into contact with exposed solder points. The Mylar insulator is there to prevent this from happening. Do not remove this insulator.
2.Run bell wire up wall and across ceiling to motor unit. Use insulated staples to secure wire in several places. Do not pierce wire with a staple, creating a short or open circuit.
3.Strip 7/16" of insulation from opposite end of bell wire. Connect bell wire to the Quick-Connect™ terminals located on garage door opener as follows: white to white and white/red to red. Figure 5.
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.
WARNING
To prevent possible SERIOUS INJURY or DEATH from electrocution:
•Be sure power is not connected BEFORE installing door control.
•Connect ONLY to 24 VOLT low voltage wires.
To prevent possible SERIOUS INJURY or DEATH from a closing garage door:
•Install door control within sight of garage door, out of reach of children at a minimum height of 5 feet, and away from all moving parts of door.
•NEVER permit children to operate or play with door control push buttons or remote control transmitters.
•Activate door ONLY when it can be seen clearly, is properly adjusted, and there are no obstructions to door travel.
•ALWAYS keep garage door in sight until completely closed. NEVER permit anyone to cross path of closing garage door.
Figure 1
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Terminal |
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Screws |
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Terminal |
Bottom Mounting |
2-Conductor |
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Screws |
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Holes |
Bell Wire |
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902LM
Terminal
Screws
Terminal
Screws
Terminal |
Bottom Mounting |
2-Conductor |
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Screws |
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Holes |
Bell Wire |
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903LM
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Gently |
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Twist |
Figure 2 |
Top |
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).
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