User manual LIFT-MASTER 520LM

[. . . ] To find out if your Chamberlain-made garage door opener was manufactured prior to or after April 1, 1982, please call 1-800-528-9131 before installing this universal radio control. To comply with FCC/IC rules, adjustment or modification of receiver and/or transmitter is prohibited, except for changing the code setting and replacing the transmitter battery. THERE ARE NO USER SERVICEABLE PARTS. G WARNING Disconnect power to the garage door opener before installing the receiver. Transformer Model 85 may be required if your garage door opener is a brand other than Lift-Master, Chamberlain or Sears. NOTE: Models 520-1LM and 520-2LM are factory preset with matching receiver and remote control codes. [. . . ] Make sure the clips are positioned to clear the receiver flange, as shown. Loosen the three terminal screws on the opener used for push button controls and radio power. Leaving the push button bell wire in place, insert the other ends of the mounting clips under the opener terminal screws. NOTE: If the number sequence of opener terminals doesn't match the receiver, turn the receiver around (so back is facing out) and complete the connection. Retighten the terminal screws on opener and receiver. If it does not, use Transformer Model 85. MOUNTING ON RESIDENTIAL OPENERS Use a 2 wire connection only. Attach mounting clips to receiver terminals 1 and 2, and to the opener terminals used for push button controls. Plug the transformer into the receiver as shown, and into a 120 Volt outlet. Push Button To Outlet OPENER TERMINALS Receiver Terminals Flange Mounting Clip #3 Common Mounting Clip #2 Mounting Clip #1 © Model 85 Transformer Antenna Wire Fully Extended Page two contains wall mounting instructions and service information as well as code setting instructions. MOUNTING RECEIVER ON GARAGE WALL Fully extend the antenna wire below bottom of case. Fasten the receiver to an inside garage wall with dry wall screws provided. A convenient place is alongside the service door and OUT OF THE REACH OF CHILDREN. Attach one end of 3-strand bell wire (not supplied) to receiver terminals 1, 2 and 3. Connect the other end to the three opener terminals used for push button controls and radio power. Use insulated staples to secure bell wire between receiver and opener. If it does not, use Transformer Model 85. NOTE: With the transformer, use a 2-wire connection only. Attach wire to receiver terminals 1 and 2 and to the opener terminals used for push button control. Plug the transformer into receiver and 120 Volt outlet as shown. Universal Radio Control (Top) WALL PUSH BUTTON 1 2 3 Common Push Button Radio Pwr. OPENER TRANS PRIMARY 24v #3 Connection (optional) Model 85 Transformer To Wall Outlet SET RECEIVER TO MATCH REMOTE CONTROL(S) CODE Pry open the front panel of receiver case with a coin or a screwdriver. [. . . ] With the jumper in the "MOM" (Momentary) position, the contacts will close for 1/4 second regardless of the length of radio transmission. With the jumper in "CONST" (Constant) position, the contacts will stay closed as long as the radio continues transmitting. The receiver is factory set at M. Jumper Output Duration Terminals Jumper Output Duration Terminals MO CONS M. [. . . ]