19Step 13 (fig. 23)Connect the color coded RF receiver wires to the termi-nal block located on the bottom of the control boardmarked RECEIVER by inserting the wires into the termi-nal block and tightening the set screw in the terminalblock.Connect the RED RF receiver wire to the RECEIVER REDterminal. Connect the BLACK RF receiver wire to theRECEIVER BLK terminal. Connect the GRAY RF receiverwire to the RECEIVER GRY terminal.Power Connection Between Control Box andGate Openers (Actuators)Battery InstallationNOTE: The battery that accompanies the ZarebaAutomatic Gate Opener will already be installed ineither the left or right battery compartment. The extrabattery compartment accommodates an optional sec-ond battery.Step 14 (fig. 24)Ensure the battery is secure by inserting the batterystrap through the battery strap slots in the batterycompartment.Connect Battery Power to the Control BoxNOTE: Ensure the control box power switch is in the OFFposition. The control box power switch is located on thebottom of the control box (fig. 25).Step 15With the control box power switch in the OFF positionconnect the battery wire harness to the battery by con-necting the RED wire to the RED (+) terminal on the bat-tery and confirm the connection of the BLACK wire tothe BLACK (-) terminal on the battery (fig. 26).CAUTION: Ensure that the wires and terminals matchcolors. If the battery wire harness is installed incorrect-ly, it may damage the control board.Cable fromreceiverFigure 23CorrectWrongWrongTerminal BlockBattery strapBatteryFigure 24