User manual LIFT-MASTER 87LM

[. . . ] The Protector SystemTM Safety Reversing Sensor Model 87LM WARNING Without a properly working safety reversing sensor, persons (particularly children) could be killed by a closing garage door. Read and follow all instructions. To protect small children, install the safety reversing sensor so the beam is no higher than 4"-6" above the garage floor. Disconnect power to the garage door opener before installing the Protector System. Installation procedures are the same for sectional and one-piece doors. -- Right Side of Garage -- --Left Side of Garage-- Sensor Unit Sensor Unit Invisible Light Beam Protection Area FIGURE 1 Facing the door from inside the garage Look at the label on the connector end of each case to identify the sensors. [. . . ] · Attach bracket assemblies with 1/4"x1-1/2" lag screws as shown in Fig. · Adjust right and left side bracket assemblies to the same distance out from mounting surface. Tighten the nuts securely. 1/4" - 20 Lock Nuts "C" Wrap Mounting Bracket with Slot Mounting Bracket with Square Holes FIGURE 3 Garage DOOR Track Installation 1/4 " Lock Nuts Garage Door Track Inside Garage Wall Mounting Bracket with Square Holes Garage Door Track Installation Procedure Discard slotted bracket. Drill 3/8" holes in each track and fasten securely with hardware as shown in Fig. 4. Drill 3/8" Holes "C" Shaped Wrap 1/4-20 x 1/2" Carriage Bolts FIGURE 4 Hardware Shown Actual Size #10 - 32 x 3/8" Screw #10 x 32 Lock Nut 1/4 x 1-1/2" Lag Screw Staples 1/4" - 20 x 1/2" Carriage Bolts 1/4" - 20 Lock Nut Alternate Wall Mount Inside Garage Wall Mounting Bracket with Slot Mounting Bracket with Square Holes "C" Wrap Inside Garage Wall Alternate Floor Mount Indicator Light Sensor Mounting Bracket with Square Holes Mounting Bracket with Slot Attach with concrete anchors (not provided) Garage Floor "C" Wrap Sensor Indicator Light Garage Floor FIGURE 5 2 FIGURE 6 FIGURE 7 Connect Wire to Opener Terminals Bell Wire Finished Ceiling Bell Wire Door Control Connections (dotted line) Sensor Connections RED-1 WHT-2 BLK-3 OPENER TERMINAL SCREWS Sensor Sensor Invisible Light Beam Protection Area Wing Nut "C" Wrap Wire · Center each sensor unit in a "C" wrap with lenses pointing toward each other across the door. Finger tighten the wing nut on the receiving eye to allow for final adjustment. · Run wires from both sensors to the opener as shown in Figure 7. · Connect both sets of wires to the opener terminals as shown (depending upon your model). If your opener has the MultiFunction Door Control, make sure the Lock Feature is off. Red indicator lights in both the sending and receiving eyes will glow if wiring connections and alignment are correct. If the indicator lights are blinking (and the invisible light beam path is not obstructed), alignment is required. · Loosen the receiving eye wing nut to allow slight rotation of unit. Adjust sensor vertically and/or horizontally until the red indicator light glows. · When indicator lights are glowing in both units, tighten the wing nut in the receiving eye unit. Indicator Light Sensor 1/4-20 x 1-1/2" Hex Bolt Sensor Connections Connect Sensor Wires to Opener Terminals RED WHT BLK Hardware Shown Actual Size 1/4-20 x 1-1/2" Hex Bolt Wing Nut 3 TEST THE PROTECTORTM SYSTEM · Press the remote control push button to open the door. The door will not move more than an inch, and the opener light(s) will flash. The garage door opener will not close from a remote control if the indicator light in either sensor is blinking (alerting you to the fact that the sensor is: a. [. . . ] If only the receiving eye indicator light is off (and does not glow after installation, check for: the invisible light beam path is not obstructed), check for an open wire to the receiving eye. If both sensors are blinking, realign or remove · A short in the black/white wires. · An open wire (wire break). Replacement Parts TOLL FREE NUMBER - 1-800-528-9131 2-strand black & white wire with connector Safety sensor hardware bag 41B4115 41A4116 C-Wrap Bracket Square Hole Bracket Slotted Bracket 12B483 12B484 12B485 Safety Sensor Kit (receiving and sending eyes only) 41A4373 114A1564G ©1993, The Chamberlain Group, Inc. [. . . ]