LiftMaster SL3000UL3 Owners Manual - Page 23

PLUG-IN LOOP DETECTOR WIRING Plug-In Loop Detectors See Accessories CENTER SAFETY EXIT POWER ON DETECT LOOP FAIL FREQUENCY Not Used The wire MUST be twisted together minimum 6 twists per foot from the end of the loop to the control board. CENTER SAFETY EXIT SENSITIVITY BOOST ™ W4 GBA MS LINK Series Connected ALARM SENSOR SENSOR ALARM DC-BACKUP SYSTEM ON SENSORS 1 3 1 3 REVERSE SENSOR TIMER 60 3 OFF OPEN LEFT 1 3 ON OPEN RIGHT COMMAND PROCESSED FIRE DEPT. STRIKE OPEN RADIO RECEIVER GATE LOCKED EXIT LOOP SAFETY LOOP CENTER LOOP RESET MOTOR CLOSE STOP OPEN POWER OVERLOAD MADE IN USA CAUTION Outside Safety Loop To AVOID damaging control board, disconnect ALL power to operator before installing plug-in loop detectors. Use a different frequency for every loop detector installed. Exit Loop Inside Safety Loop NOTE: Refer to the plug-in loop detector manual for more specific information. Plug-In "Safety" Loop Detector - Allows gate to stay open when vehicles are obstructing path. Caution: Suggested for vehicles 14 feet or longer. If the "Inside" and "Outside" safety loops are connected to the same loop detector: • They should be series connected to the detector. • Have the same dimensions. • Have the same number of wire turns. Example of a inside and outside 2 wire turn loop connected in series. (See "Installing Insulated Loop Wire" on next page for more information) PrOopuetsritdye Plug-In "Exit" Loop Detector - Allows gate to automatically open for exiting vehicles. Example of a 3 wire turn loop. (See "Installing Insulated Loop Wire" on next page for more information) PropInesritdye Contact your local dealer for information about plug-in loop detectors. 21