LiftMaster MGJ MGJ S-SERIES Manual - Page 10

SINGLE PHASE SCHEMATIC DIAGRAM 1893 (OPTIONAL 115V OPERATORS ONLY) LIGHT W MAX. 100W (OPTIONAL) BIMETAL RELAY C B BK A W WIRE NUT CLOSE-B BL Y C N.O. W RES. Y L2 BK OPEN-A Y CAPACITOR R MOTOR * BK O/L L1 BR R BK 3 19 STOP 4 Y *- Shipped from Factory CLOSE CONTROL WIRING OPTIONS *C2 WIRING - Constant Presssure to Close RED WIRE ON TERMINAL #12 (Shipped from Factory) B2 WIRING - Momentary Contact to Close MOVE RED WIRE FROM TERMINAL #12 TO TERMINAL #2 BL BR R1 BR OPEN-B WIRE NUT W PR1. 10VA. Y/BK R3 24VAC. SEC. R 18 12 CLOSE-A BL R C N.O. REMOVE JUMPER TO CONNECT SS90 FIRE DOOR CONTROLLER OPEN OR 1 OR SAFETY AUX. GY EDGE 10 CLOSE L/S 20 GY OR 21 PULL SWITCH TO OPEN & CLOSE 7 CLOSE Y R2 Y 17 AUX. OPEN L/S P P 2 CL P OPEN L.S. OP OR N.C. W 11 C REMOVE JUMPER TO CONNECT SS90 FIRE DOOR CONTROLLER W 23 22 CLOSE L/S W N.C. C * TO REVERSE MOTOR ROTATION INTERCHANGE RED AND YELLOW MOTOR WIRES. 10