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Chamberlain SL 1000-X3 J. GATE SENSITIVITY ADJUSTMENTS, NOTE:, Right Gate Motion Adjustment (R69), Left Gate Motion Adjustment (R160), "OPEN TO RIGHT" ADJUSTMENT PROCEDURES

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J. GATE SENSITIVITY ADJUSTMENTS

The gate operator monitors both average and peak motor current. When the gate encounters an obstruction, the gate operator senses the change in motor current and reverses the gate. Three sensitivity adjustments must be set for each installation:

•Right gate motion (R69)

•Left gate motion (R160)

•Start-up current (R203)

♦If your installation requires setting switch S2 to the “Open to Right” position, use the “Open to Right" adjustment procedures below. If your installation requires setting S2 to the “Open to Left” position, use the “Open to Left" adjustments following the "Open to Right" procedures.

♦The minimum sensitivity is full clockwise and maximum sensitivity is full counter clockwise. These adjustments must be made while the gate is in motion.

♦Before starting the adjustments, verify that the Left and Right reverse pots are set fully clockwise, and the Start-up pot is set to the 11 o’clock position (See Fig. 15).

♦Make all adjustments in the order listed.

NOTE: Current flow varies with temperature. Do not tune the sensitivity measurements too finely, or they may cause false overcurrent faults to occur during cold weather.

Figure 15. Gate Sensitivity Adjustments Location."OPEN TO RIGHT" ADJUSTMENT PROCEDURESRight Gate Motion Adjustment (R69)

1.Initiate opening the gate.

2.Wait 4 to 5 seconds, then lightly "tug" against the edge of the gate to simulate an obstacle.

3.If the gate does not stop or back up, reclose gate and adjust the pot slightly counterclockwise.

4.Repeat steps 1-3 until gate stops or backs up when tugged and has the desired sensitivity.

Left Gate Motion Adjustment (R160)

1.Open the gate fully, then initiate closing the gate.

2.Wait 4 to 5 seconds, then lightly "bump" the leading edge of the gate to simulate an obstacle.

3.If the gate does not stop or back up, reopen the gate and adjust the pot slightly counterclockwise.

4.Repeat steps 1-3 until the gate stops or backs up when bumped and has the desired sensitivity.

Rev J

Doc 01-20098

Page 16 of 44

Contents

E STAT E SERIES MODEL SL MODEL SL 1000-X3IS FOR VEHICULAR PASSAGE GATES ONLY, NOT INTENDED FOR PEDESTRIAN PASSAGE GATE USE 3 YEAR WARRANTY TABLE OF CONTENTS The LiftMaster Gate Operator Model SL SAFETY SUMMARY BASIC INSTALLATION HINTS AND RULES SITE PREPARATION A. LOCATION AND LAYOUT Figure 1. Front Drive Figure 2. Rear Drive Figure 3. Mid Drive B. PAD AND MOUNT Figure 4. Pad and Track Ribbon Figure 5. Bolt Down Pattern Figure 6. Conduit Entrance Areas C.POWER WIRING D.LOOP DETECTORS AND PHOTO-SENSORS E.TELEPHONE CONNECTION F. OTHER CONNECTIONS G. MASTER/SLAVE INTERCONNECTION (MASTER/SLAVE SYSTEM ONLY) PART SYSTEM INSTALLATION A. GATE AND PHOTO-SENSORLAYOUT B. MOUNTING GATE OPERATOR 2.Installing Chain and Anchors (Front Drive Gate Installation) Figure 10-A.Anchor and Chain Connector Figure 10-B.Parallel Chain Location NOTE: For rear and mid drive installations, see Figures 2 and C. QUICK DISCONNECT OPERATION D. CONNECTING POWER CAUTION Figure 11. AC Wiring E. RUNNING INPUT WIRING F. SETTING GATE OPEN DIRECTION SWITCHES S2 AND S3 G.POWER UP PROCEDURE H. USING MANUAL CONTROLS IMPORTANT NOTE I.SETTING LIMIT CAMS J. GATE SENSITIVITY ADJUSTMENTS "OPEN TO LEFT" ADJUSTMENT PROCEDURES Left Gate Motion Adjustment (R160) Right Gate Motion Adjustment (R69) START-UPCurrent Adjustment (R203) K. BASIC GATE OPERATOR PROGRAMMING To access To program To exit Step L. CONNECTING INPUT WIRING M.POST INSTALLATION PROCEDURES 5. Entry inputs 6. Alternate Action 7. Reclose Timer (RT) 8. Inside Interrupt Loop and Anti-Tailgating(ATG) When Exiting GATE TYPE is SLIDE Figure 17. Photo-SensorCoverage Areas 9. Photo-Sensors(Secondary Obstruction Sensing per UL 325) Coverage Area A (Inside-OpenCoverage): Coverage Area B (Inside-ClosedCoverage): Coverage Area C (Outside-ClosedCoverage): N. FINAL ASSEMBLY OF GATE OPERATOR Figure 18. Gate Operator Final Assembly IMPORTANT SAFETY PROCEDURE 2.Make sure that gate operator unit power switch is turned on WARNING Page TROUBLESHOOTING AND MAINTENANCE A. TROUBLESHOOTING Page 13.GATE DOES NOT CLOSE AUTOMATICALLY 14.ALTERNATE ACTION DOES NOT WORK 15.GATE DOES NOT OPEN TO THE CORRECT DIRECTION 16.THERE IS SLACK OR PLAY IN THE GATE 17.ATG (ANTI-TAILGATE)DOES NOT WORK B. FAULT LIST C.FAULTS AND THEIR CAUSES 4.IF STUCK-LIMITLED IS TURNED ON 5.IF MAX RUN TIME LED IS TURNED ON D. MAINTENANCE 2. PREVENTIVE MAINTENANCE INSTRUCTIONS Figure 23. Gate Operator Disassembly and Assembly Gate Operator Serial Number: UPS: Yes 1.Turn off power to the gate operator at the circuit breaker MAINTENANCE SCHEDULE TABLE Date Gate Chain Sprocket APPENDIX A SYSTEM OPERATION REFERENCE FUNCTIONAL INPUTS MANUAL INPUTS: OPEN, CLOSE, AND STOP (TB2) Continuous activation holds gate open gate closed INSIDE/OUTSIDE INTERRUPT LOOP DETECTOR (TB16) SWING LINEAR SLIDE BARRIER OBSTRUCTION ALARM (TB17) LOW BATTERY/ NO AC POWER (TB18) 24VAC OUTPUT (TB7) MAGLOCK INPUT (TB4) SLAVE I/O INPUT (TB1) APPENDIX B: SL 1000-X3PARTS LIST Figure 24. Exploded View GLOSSARY FCC REQUIREMENTS NOTICE TO CANADIAN USERS OPERATOR NOTES FOR TECHNICAL SUPPORT OR TO ORDER REPLACEMENT PARTS, CALL OUR TOLL FREE NUMBER: