Chamberlain SL920 20

Wiring Diagrams

SL920 WITH BATTERY BACK-UP

BREAKER

15 AMP

Contents

COMMERCIAL SLIDE GATE OPERATOR Alternate Master OVERALL DIMENSIONS: SHIPPING WEIGHT: 125 lbs Options: POWER REQUIREMENT: APPLICATIONS: CIRCUIT BOARD: GATE SENSITIVITY: Vehicular Gate Operator Classes: Gate Inspection: OPERATION CONTROLS AUTO CLOSE TIMER MANUAL RELEASE SWITCH GATE SENSITIVITY ADJUSTMENT FOR SYSTEM PROTECTION Page Page TEST OPERATOR GATE PREPERATION CEMENT PAD LOCATION OPTIONAL MOUNTING STAND POSITION GATE OPERATOR ANCHOR THE OPERATOR THREADING THE CHAIN ATTACH CHAIN TO GATE ADJUST LIMITS REAR MOUNT PLACEMENT CHAIN ARRANGEMENT CONDUIT ROUTING STANDARD 115 VOLT HOOK-UP BATTERY BACK-UP Page Page Fine Tuning ADJUST TIMER ADJUST SENSITIVITY NOTE: Counter-Clockwisemakes gate push harder. Clockwise makes gate easier to stop MASTER SECOND Page Page Page Page Page Page Gate Sensitivity Adjustments Control Devices Gate IMPORTANT SAFETY INSTRUCTIONS EXPLANATION OF VISUAL FEEDBACK LEDs TRANSMITTER DOES NOT WORK GATE TRAVELS TOO FAR OR NOT FAR ENOUGH GATE BEGINS TO OPEN OR CLOSE, THEN STOPS OR REVERSES GATE WILL NOT OPEN OR CLOSE THE GATE WILL NOT STOP OR REVERSE WHEN IT MEETS AN OBSTRUCTION GATE WILL NOT STAY CLOSED TIMER WILL NOT CLOSE THE GATE OPERATOR RUNS IN ONLY ONE DIRECTION zAll open and safety devices must have normally open contacts Page Page Page HOW TO ORDER REPAIR PARTS