User manual LIFT-MASTER 87LM

[. . . ] The sending eye transmits an invisible light beam to the receiving eye. If an obstruction breaks the light beam while the garage door is closing, the door will stop and reverse to full open position; and the opener lights will flash for 5 seconds to alert you to the obstruction. The units can be installed on either side of the garage door (Figure 1) as long as the sun never shines directly into the receiving eye lens, but the brackets must be connected and fastened so that the sending and receiving eyes face each other as shown in Figure 1. The brackets must be securely fastened to a solid surface such as the studs on either side of the door, or add a piece of wood at each location if installing in masonry construction. [. . . ] 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. · Secure sensors with the hardware shown in Figure 7. Finger tighten the wing nut on the receiving eye to allow for final adjustment. Securely tighten the sending eye wing nut. · Run wires from both sensors to the opener as shown in Figure 7. Use insulated staples to secure the wire to the wall and ceiling. · 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. · Place the opener carton in the path of the door. · Press the remote control push button to close 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. under staples or at screw terminal connections. · Incorrect wiring between sensors and opener. [. . . ]