Presentation of Chamberlain 771REV-01 infrared photoelectric barriers Present in certain motorized devices of the Chamberlain brand, Chamberlain 771REV-01 infrared photoelectric barriers are security systems. Placed near your garage door, they protect your motorization from impacts against domestic animals, objects or even individuals. Secures your environment in the event of closure How does it work? Well like photocells. In fact, the Chamberlain 771REV-01 infrared photoelectric barriers are two and have one lens each. The emitting lens emits an invisible ray of light towards the receiving lens at all times. When the light beam interrupts during closing, your door will stop and move to the fully open position. Useful and reassuring if, for example, your pet was heading towards your home or a football was on the way. It is strongly recommended by the manufacturer, for the protection of young children, not to fix the photoelectric safety barrier more than 150 – 200 mm above the garage floor. Compatibility of Chamberlain 771REV-01 infrared photoelectric barriers According to the supplier, this product is particularly compatible with the following devices (non-exhaustive list): ML100EV ML510EV systems ML700EV Motorlift ML700 models Motorlift ML750 MotorLift ML850 motors Installation of Chamberlain 771REV-01 Infrared Light Barriers To install this product, please consult the product’s user manual for the information you need. It is available in PDF version here. How to assemble this product? (in 7 steps) First, turn off the power before mounting the photoelectric barrier. Then, open the case as shown in Figure 1. Adjust the sensor so that the lenses are perpendicular to the door, and pointing toward each other (as shown in Figure 2). Then secure the sensors using screws with dowels. Indoors, use insulated jumpers for securing cables to the wall and ceiling. Outdoors, use only approved cables and pass them through an empty conduit if necessary. Please note that it is prohibited to pass high voltage and low voltage together in the same cable. This can cause disturbances to the sensors. Also, be sure to ensure good sealing of the sensors and absolutely use the rubber seal for the cable crossing. Then connect the cables (min. 2 x 0.5 mm2) to the terminals as indicated for the respective control. For garage door openers, select your model from the figures (3 4). The cable from the Plus terminal of the sensor must be connected to terminal 3 (black). The other cable must be connected to terminal 2 (white). for motors for pivoting and sliding gates: select your model from the figures (5 6) and connect the cables as indicated: Plus/Plus-Minus/Minus Finally, restore the power supply to the door opener. Chamberlain 771REV-01 Infrared Photoelectric Barriers FAQ Can you tell me more about the Chamberlain brand? Chamberlain has been in the automation market since the 1960s. Over time, the brand has grown and now has 5,000 employees worldwide. The latter have the objective of constantly responding to the multiple expectations of customers. Born in Elmhurst, Illinois, United States, Chamberlain is a firm where quality, innovative design and meticulous development come together. From its European headquarters in Saarbruecken (Germany), Chamberlain provides high quality, innovative products for individuals and professionals. Where can I find other Chamberlain brand products? Other items from the Chamberlain brand can be found on the Allo Remotecontrol website. You can view them by clicking here. Why buy this product on Allo Remote Control? First, know that your satisfaction is the priority. We will handle your product with great care. Then, your order is shipped the same day Then the 1-year warranty is offered (possible extension up to 2 years – see T&Cs) Finally, telephone assistance (08 99 25 30 57) or by email (assistance @alloremotecontrol.com) is available 5 days a week