LiftMaster H J LOW PROFILE ELEC.BOX Manual - Page 13

SINGLE PHASE WIRING DIAGRAM 1742-1 WARNING Always Disconnect Power Whenever Installing or Servicing the Door Operator. R1 ORANGE RADIO RECEIVER R2 YELLOW R3 RED RED AUX.TERMINAL BLOCK FOR RADIO C NO AUX.OPEN L/S NC YELLOW PURPLE ORANGE OPEN LIMIT SWITCHES OPEN L/S C NC ORANGE ORANGE CONTACTOR PURPLE RED YELLOW GREY PURPLE BLUE WHITE A1 A2 13 CLOSE 14 5 6 3 4 1 2 PURPLE PURPLE RED BLACK BLACK 230V. SUPPLY ONLY 115V. SUPPLY ONLY ORANGE A1 YELLOW 13 5 A2 14 YELLOW 6 WHITE 3 4 BLACK 1 2 WHITE OPEN BLACK RED PURPLE PURPLE C NO NC R1 RELAY ORANGE ORANGE RED INTERLOCK ( OPTIONAL ) TO TERMINAL #2 PURPLE PURPLE TO TERMINAL #3 TIMER ( OPTIONAL ) GREY GREY C NC SAFETY L/S CLOSE LIMIT SWITCHES PURPLE NC PURPLE BLACK CLOSE L/S C YELLOW LOAD 24VAC YELLOW ** LINE T1 WHITE *SEE NOTE BELOW WIRE NUT BLACK BLACK OVER LOAD BLACK ORANGE YELLOW NC NO C RED PURPLE BLACK **IR RELAY RED ORANGE GREY ORANGE PURPLE PURPLE RED ORANGE YELLOW ORANGE BROWN YELLOW ORANGE YELLOW YELLOW GREY BLACK BLACK WHITE WHITE YELLOW GREY PURPLE BLUE 115V. BRAKE SOLENOID ( WHEN REQUIRED ) BL-BK BL-BK BRAKE ( WHEN REQ'D ) TO MOTOR P 1 3 BL-BK BL 8 Y 5 GY 42 BL-BK 115V. CONNECTION P 1 BL-BK BL 8 Y 5 23 GY 4 BL-BK 230V. CONNECTION 230V. BRAKE SOLENOID ( WHEN REQUIRED ) ** - Transformer Primary & Relay Voltage same as Line Voltage. TO REVERSE MOTOR DIRECTION INTERCHANGE PURPLE & GRAY WIRES. 1 2 3 4 5 7 10 L1 L2 L3 OPEN CLOSE STOP EXT. INTLK. TO OPEN AND CLOSE L1 L2 **1 PHASE POWER IN GROUND SAFETY EDGE * - Shipped from Factory CLOSE CONTROL WIRING OPTIONS *C2 WIRING - Constant Presssure to Close RED WIRE ON TERMINAL #2 (Shipped from Factory) B2 WIRING - Momentary Contact to Close MOVE RED WIRE FROM TERMINAL #2 TO TERMINAL #3 13