LiftMaster LA412 LA412 Manual - Page 29

SOLAR PANEL INSTALLATION » CONNECT SOLAR PANEL(S) TO OPERATOR CONTROL BOX + CONNECT BATTERIES CONNECT SOLAR PANEL(S) TO OPERATOR CONTROL BOX 1 Open the control box cover. 2 Disconnect all power and batteries from the control board. 3 Run the solar panel cable to the bottom of the control box. Thread the cable through the watertight connector and pull the cable through until it reaches the AC PWR/SOLAR connector on the control board. 4 Tighten the watertight connector on the cable. 5 Attach the solar panel wires to AC PWR/SOLAR input terminal (polarity is not important). Leave the AC PWR/SOLAR earth ground connection open. With the batteries still disconnected, the control board should power up if the solar panel is correctly installed and the sun is shining (the diagnostic LED will blink). NOTE: The system is designed to be charged by either an AC plug-in transformer or a separate solar panel, but not both. 1 Solar Panel Control Board 2 3 AC PWR/ SOLAR J4 Red 5 Black 4 6 6 Use the cable ties to secure the solar panel cable away from places where it could be damaged. NOTE: If the sky is too overcast to allow the solar panel to power up the system, the panel will need to be verified at another time when the sun is shining. There is no other way to verify the panel installation. J18 P1 J19 K2 K5 CONNECT BATTERIES The batteries are charged in circuit by using the solar panel (provided). 1 Locate the two white battery plugs on the left-hand side of the control box. 2 Connect the plug from the battery to connector on the control board. NOTES: Batteries will degrade over time depending on temperature and usage. For best performance, the batteries should be replaced every 3 years. Batteries do not perform well in extremely cold temperatures. Battery Connectors 2 Battery Connection C1Ø1 R182 1 3ØA 32V LOCK D36 SOL GND MAGR D42 Z1 GATE 1 R1 BR GR WH YL BL RD F8 Z12 L1 U4 ON OFF C75 F12 LEARN LOCK / R2 XMITTER BIPART DELAY D1Ø C7Ø C71 C72 C73 18 GATE 1 K1 SET OPEN LIMIT SET CLOSE LIMIT LEARN LIMITS Control Board GATE 2 TIMER RUNNING Q9 24V R9Ø J2Ø F9 GATE 2 BR R1ØØ GR WH YL BL RD R1Ø1 Q22 R196 F1 F3 K3 K4 D4 D8 S R186 C12 OFF MAX D44 Z4 OFF MAX F7 D2 C13 D129 JU1 C11 U3 D1 R329 R42Ø R423 K6 AC PW /SOLA R27 R9 C64 30 U2 R22 JU2 DB1 F2 MOV1 C69 JU1 J24 J23 3ØA 32V 3ØA 32V 30 J21 D16 Board Connectors 28