LiftMaster SW470 SW490 GL BOARD Manual - Page 5

SUGGESTED SAFETY PROTECTION DEVICE LOCATIONS SWING GATE SYSTEM Telephone Entry System STREET Interrupt (Safety) Loop Photo eye for close cycle DUAL SWING GATE SYSTEM Photo eye for open cycle Shadow Loop Interrupt (Safety) Loop 4' (1.2 m) Typical COMPLEX OR PARKING LOT Run twisted wire* from loop to operator Seal Loops* 1-1/2" (37 mm) Loop Wire* Layer 1/4" (6 mm) or larger depending on loop wire size STREET InLteororuppt (Safety) Photo eye for open cycle Gate 2 Run twisted wire* from loop to operator Seal Loops* Gate 1 Photo eye for open cycle Photo eye for close cycle Shadow Loop InLteororuppt (Safety) 4' (1.2 m) Typical COMPLEX OR PARKING LOT 1-1/2" (37 mm) Loop Wire* Layer 1/4" (6 mm) or larger depending on loop wire size * REFER TO LOOP MANUFACTURER'S INSTRUCTIONS FOR DETAILED INSTALLATION & LOOP WIRING INSTRUCTIONS. 5