Chamberlain LA400 Owner's Manual
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Chamberlain LA400 Owner's Manual

Medium duty swing gate operator
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See also: Operation & Installation Manual , Installation Manual
LA400 & LA400-S
M E D I U M D U T Y S W I N G G A T E O P E R A T O R
Serial # Primary Arm
Serial # Secondary Arm
Serial # Control Box
Installation Date
O W N E R ' S M A N U A L
2 Y E A R W A R R A N T Y
Radio Receiver
Built on Board
315 MHz
The LA400 is intended for use with
vehicular swing gates.
The operator can be used in Class I,
Class II and Class III applications.

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Summary of Contents for Chamberlain LA400

  • Page 1 M E D I U M D U T Y S W I N G G A T E O P E R A T O R O W N E R ' S M A N U A L The LA400 is intended for use with Serial # Primary Arm vehicular swing gates.

  • Page 2: Table Of Contents

    Connect the Gate Operator (Gate 1) to the Control Box How to Order Repair Parts Set the Bipart Delay (Model LA400-S Only) WARRANTY POLICY Connect the Gate Operator (Gate 2) to the Control Box (Model LA400-S Only) Junction Box (Model LA400-S Only) 25-26 ACCESSORIES...

  • Page 3: Ul325 Model Classifications

    SAFETY ACCESSORY SELECTION UL325 ENTRAPMENT PROTECTION REQUIREMENTS All UL325 compliant LiftMaster gate operators will accept external entrapment protection devices to protect people from motorized gate systems. UL325 requires GATE OPERATOR ENTRAPMENT PROTECTION that the type of entrapment protection correctly matches each gate application.

  • Page 4: Safety Installation Information

    SAFETY » SAFETY INSTALLATION INFORMATION 1. Vehicular gate systems provide convenience and security. Gate systems are 9. The Stop and/or Reset (if provided separately) must be located in the line- comprised of many component parts. The gate operator is only one of-sight of the gate.

  • Page 5: Gate Construction Information

    SAFETY » GATE CONSTRUCTION INFORMATION Vehicular gates should be installed in accordance with ASTM F2200: Standard Specification for Automated Vehicular Gate Construction. For a copy, contact ASTM directly at 610-832-9585 or www.astm.org. GENERAL REQUIREMENTS 3.1.3 A gap, measured in the horizontal plane parallel to the roadway, between a Gates shall be constructed in accordance with the provisions given for the fixed stationary object nearest the roadway, (such as a gate support post) appropriate gate type listed, refer to ASTM F2200 for additional gate types.

  • Page 6: Important Safety Information

    SEVERE INJURY to persons and/or damage to operator. To AVOID damaging plug-in transformer, it MUST be enclosed in a suitable To reduce the risk of FIRE or INJURY to persons use only LiftMaster part weatherproof enclosure and provided with proper weatherproof fixtures.

  • Page 7: Operation And Maintenance

    INJURY or DEATH. To reduce the risk of FIRE or INJURY to persons use only LiftMaster part To avoid SERIOUS personal INJURY or DEATH from electrocution, DISCONNECT #K74-30762 for replacement batteries.

  • Page 8: Introduction

    • Hex Nut 3/8"-16 (2) • Plug-in Transformer (1) • Hex Nut 5/16"-18 (5) • Flat Washer 5/16" (5) LA400-S (SECOND GATE OPERATOR ARM) • Flat Washer 3/8" (5) • Motor Cable - Six Conductor, 40 feet (12.2 m) • Lock Washer 5/16" (5) •...

  • Page 9: Additional Items Needed For Installation

    INTRODUCTION » ADDITIONAL ITEMS NEEDED FOR INSTALLATION + TOOLS NEEDED ADDITIONAL ITEMS NEEDED FOR INSTALLATION PERMANENT FASTENERS FOR WARNING SIGN EARTH GROUND ROD (OPTIONAL) POWER WIRE: 120 VAC POWER WIRE (STRANDED COPPER WIRE) Wire Gauge 16 100 feet (30 m) Wire Gauge 10 1000 feet (305 m) 24 VAC TRANSFORMER (STRANDED COPPER WIRE)

  • Page 10: Installation

    INSTALLATION » OVERVIEW OF TYPICAL INSTALLATION LEFT-HAND GATE Warning Sign Antenna Hinge Control Box with Batteries Post Bracket Gate Bracket Operator PVC Conduit (not Operator Cable provided) to protect the low voltage wire from lawn mowers and string trimmers. 12 Gauge Wire NOTE: One or more non-contact sensors shall be located where the risk of entrapment or obstruction exists at Photoelectric...
  • Page 11 INSTALLATION » OVERVIEW OF TYPICAL INSTALLATION DUAL GATE Junction Box Extension Cable Warning Sign Photoelectric Sensors Gate 2 Hinge Antenna Post Bracket Gate Bracket Gate 1 Operator Cable Control Box with Batteries PVC Conduit (not provided) to protect the low voltage wire from lawn mowers and string trimmers.

  • Page 12: Check Your Gate

    INSTALLATION » CHECK YOUR GATE + MOUNTING OPTIONS CHECK YOUR GATE Gate MUST be level. Gate and gate post MUST be plumb. Remove ANY/ALL wheels from the bottom of gate. Gate MUST NOT hit or drag across ground. Gate MUST swing freely and be supported entirely by its hinges. MOUNTING OPTIONS Mounting locations vary depending on type and style of your gate.

  • Page 13: Manual Release

    INSTALLATION » MANUAL RELEASE + DETERMINE POSITION OF THE PULL-TO-OPEN BRACKET + DETERMINE POSITION OF THE "OPTIONAL" PUSH-TO-OPEN BRACKET MANUAL RELEASE Release Lever Insert the key into the lock and turn it 180° counterclockwise. Turn the release lever 180° counterclockwise. The operator is now in manual mode.

  • Page 14: Assemble Gate Post Bracket (Pull-To-Open)

    INSTALLATION » ASSEMBLE GATE POST BRACKET (PULL-TO-OPEN) + ATTACH BRACKETS TO GATE OPERATOR All the illustrations on the following pages display a typical Left-Hand Gate installation. For Push-to-Open installations refer to instructions with Push-to-Open kit 50-19503. ASSEMBLE GATE POST BRACKET (PULL-TO-OPEN) Hex Bolt 3/8"...

  • Page 15: Determine Mounting Location

    INSTALLATION » DETERMINE MOUNTING LOCATION + MEASURING AND MARKING FOR THE GATE BRACKET DETERMINE MOUNTING LOCATION Gate Post Gate Post Gate Post The gate post bracket assembly can be mounted several places on the gate post. Gate Hinge Point Gate Hinge Point Gate Hinge Point Refer to the illustrations on page 11 for the ideal mounting location.

  • Page 16: Position Gate Operator On Gate

    INSTALLATION » POSITION GATE OPERATOR ON GATE POSITION GATE OPERATOR ON GATE NOTE: The post bracket assembly can be mounted several places on the gate post. Refer to page 11 for mounting options. Open the gate to desired open position (no greater than 100°) and hold operator against gate.

  • Page 17: Test Gate Travel

    INSTALLATION » TEST GATE TRAVEL + SECURE POST BRACKET TO GATE POST TEST GATE TRAVEL NOTE: If gate does not open and close completely adjust the position of the gate bracket and mark new mounting holes. Manually open and close the gate. Ensure that the operator does not bind against the Pull-to-Open bracket.

  • Page 18: Secure Gate Bracket To Gate

    INSTALLATION » SECURE GATE BRACKET TO GATE + WARNING SIGN PLACEMENT Angle Iron SECURE GATE BRACKET TO GATE The gate operator (arm) must be level. Reinforcement Area Wood Some installations may require additional reinforcement be installed on the gate. Drill holes in gate (or reinforcement, if necessary) that are large enough for the gate bracket mounting hardware.

  • Page 19: Standard Control Box

    INSTALLATION » STANDARD CONTROL BOX MOUNT THE CONTROL BOX The control box MUST be mounted within 5 feet (1.5 m) of the gate operator. Mount Coaxial Connector the control box as high as possible for best radio reception. Remove screws and open the control box. Disconnect the reset button, alarm, and coaxial connector.
  • Page 20 INSTALLATION » STANDARD CONTROL BOX INSTALL THE CONTROL BOARD NOTE: Make sure the battery leads are on the left side of the control box and not pinched. Attach the antenna. Reinstall the batteries, control board, alarm and reset button. Coaxial Connector Reset Button Connections Alarm...

  • Page 21: Large Metal Control Box (Xlm)

    INSTALLATION ALARM CLOSE EDGE OPEN EDGE/ PHOTO MAGR » LARGE METAL CONTROL BOX (XLM) LOCK LEARN XMITTER LOCK / BIPA RT DELAY OPEN PHOTO GATE 1 CLOSE PHOTO GATE 1 LEARN OPEN LIMIT CLOSE LIMIT LIMITS ACCESSORY GATE 2 POWER SINGLE BUTTON TIMER TO 12 V...

  • Page 22: Wiring

    INSTALLATION » LARGE METAL CONTROL BOX (XLM) WIRING Select the knock out in the bottom of the control box based on the application requirements. Depending on the voltage and application the 120 Vac access panel may be removed to access the wiring. Connect two 7AH batteries, purchased separately.

  • Page 23: Connect The Gate Operator (Gate 1) To The Control Box

    WIRING » CONNECT THE GATE OPERATOR (GATE 1) TO THE CONTROL BOX CONNECT THE GATE OPERATOR (GATE 1) TO THE CONTROL BOX Select hole in bottom of the control box to be used for the operator cable. Insert the watertight connector into the bottom of the control box and tighten with nut.

  • Page 24: Set The Bipart Delay (Model La400-S Only)

    WIRING » SET THE BIPART DELAY (MODEL LA400-S ONLY) SET THE BIPART DELAY (MODEL LA400-S ONLY) In some dual gate installations, one gate will need to open first and close second. This would happen if there was an ornamental overhang on one gate or if using a solenoid lock, for example.

  • Page 25: Connect The Gate Operator (Gate 2) To The Control Box (Model La400-S Only)

    WIRING » CONNECT THE GATE OPERATOR (GATE 2) TO THE CONTROL BOX (MODEL LA400-S ONLY) CONNECT THE GATE OPERATOR (GATE 2) TO THE CONTROL BOX (MODEL LA400-S ONLY) Before digging, contact local underground utility locating companies. Trench across driveway to bury the extension cable. Use PVC conduit to prevent damage to cables.

  • Page 26: Junction Box (Model La400-S Only)

    WIRING » JUNCTION BOX (MODEL LA400-S ONLY) JUNCTION BOX Junction Box Cover The following items are required to complete the junction box installation: • 4 x 4 Junction Box with 3/4" NPT threaded port holes • Screws • PVC Conduit...

  • Page 27: Junction Box (Model La400-S Only)

    WIRING » JUNCTION BOX (MODEL LA400-S ONLY) Insert wires from extension cable and operator cable into terminal block connector. Special Terminal Block Connector Connector Brown Brown Brown Brown Green Green Green Green White White White White Operator Cable Extension Cable...

  • Page 28: Connect Transformer To Control Board

    WIRING » CONNECT TRANSFORMER TO CONTROL BOARD CONNECT TRANSFORMER TO CONTROL BOARD NOTE: All power wiring should be on a dedicated circuit, calculated using NEC guidelines. Local codes and conditions must be reviewed for suitability of wire installation. EXTERNAL RECEPTACLE The transformer can be plugged into a receptacle external to the control box.

  • Page 29: Earth Ground Rod Installation (Optional)

    WIRING » EARTH GROUND ROD INSTALLATION (OPTIONAL) + CONNECT BATTERIES EARTH GROUND ROD INSTALLATION (OPTIONAL) NOTE: For proper operation, do not connect the earth ground rod to the green 24 VAC/ screw on the outlet plate. SOLAR INPUT Install earth ground rod within 3 feet (0.9 m) of the operator. Disconnect and remove the green/yellow ground wire connected to the screw terminal of the control board.

  • Page 30: Adjustment

    ADJUSTMENT » SET DIP SWITCH SET DIP SWITCH The Save switch must be in the OFF position prior to adjusting the switches. After the adjustments are made the Save switch must be in the ON position in order for the changes to be saved.

  • Page 31: Limits

    ADJUSTMENT » LIMITS LIMITS The limits are internal settings that indicate when the gates are in the fully open position and the fully closed position. For proper functionality, the limits must be programmed during the installation process. The programming uses a combination of buttons on the control board. The specific buttons used for programming depends on which side of the gate the control box is mounted and how many operators the installation includes.
  • Page 32 ADJUSTMENT » LIMITS LIMITS NOTES: • The gate with the longer travel span (opening) must be set as the primary gate (GATE 1). • If one gate is overlapping the other, the gate that is overlapping must be connected to GATE 1 so it will start moving before the other gate; GATE 2 may need to be closed first if there is overlap or a gate lock is being used.
  • Page 33 ADJUSTMENT » LIMITS LIMITS NOTES: • The gate with the longer travel span (opening) must be set as the primary gate (GATE 1). • If one gate is overlapping the other, the gate that is overlapping must be connected to GATE 1 so it will start moving before the other gate; GATE 2 may need to be closed first if there is overlap or a gate lock is being used.

  • Page 34: Force Adjustment

    ADJUSTMENT » FORCE ADJUSTMENT + TIMER-TO-CLOSE (TTC) Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing gate. • Too much force on gate will interfere with proper operation of safety reversal •...

  • Page 35: Programming

    PROGRAMMING » REMOTE CONTROLS + KEYLESS ENTRY + ERASE ALL CODES + TEST A combined total of 50 remote controls and keyless entry PIN can be programmed to the operator. For highest level of security, we recommend the Security✚ ® line of products.

  • Page 36: Additional Features

    ADDITIONAL FEATURES » DIP SWITCH SETTINGS DIP SWITCH SETTINGS The Save switch must be in the OFF position prior to adjusting the switches. After the adjustments are made the Save switch must be in the ON position in order for the changes to be saved. SAVE MAGLOCK SINGLE...

  • Page 37: Control Inputs

    ADDITIONAL FEATURES » CONTROL INPUTS CONTROL INPUTS WIRE STOP BUTTON (OPTIONAL) CONTROL INPUTS A jumper wire is factory installed between the stop and common input. OPEN SINGLE BUT T O N Stop (N/C) - Stop only (does not reset alarm). RESET NOTE: Stop jumper is required for normal operation (the Stop LED will be lit S T O P...

  • Page 38: Loop Inputs

    This input will reverse a closing gate. It will disable the Timer-to-Close if that feature CLOSE EDGE has been enabled. Activating this input while the gate is opening will have no effect. Order part number LA400-BOX to enclose safety electronics. CLOSE EDGE OPEN EDGE/...

  • Page 39: Safety Accessories For Secondary Entrapment Protection

    » SAFETY ACCESSORIES FOR SECONDARY ENTRAPMENT PROTECTION SAFETY ACCESSORIES FOR SECONDARY ENTRAPMENT PROTECTION The following devices are acceptable for Safety Accessories for secondary entrapment protection. These devices have been tested with the LA400 to meet the requirements of UL325 and UL991. PHOTOELECTRIC CONTROLS MODEL...

  • Page 40: Operation And Maintenance

    OPERATION AND MAINTENANCE » RESET BUTTON + REMOTE CONTROL + MANUAL RELEASE RESET BUTTON The reset button is located on the outside of the control box and serves several functions. PROGRAMMING LIMITS RESET If a mistake is made while programming the limits press the reset button to start over.

  • Page 41: Maintenance

    OPERATION AND MAINTENANCE » MAINTENANCE MAINTENANCE Disconnect power before servicing. CHECK AT LEAST ONCE EVERY DESCRIPTION TASK MONTH 6 MONTHS 3 YEARS External Entrapment Protection System Check and test for proper operation Manual Release Check and test for proper operation Gate Inspect for wear or damage Accessories...

  • Page 42: Troubleshooting

    TROUBLESHOOTING » BASIC CONTROL BOARD LAYOUT BASIC CONTROL BOARD LAYOUT R223 CLOSE EDGE Ø14GPØ89ØE ALARM Ø14LGØ89ØE Ø14SKØ89ØE R2Ø7 Z2 Ø R227 MAGLOCK OPEN EDGE/ PHOTO R224 SAVE MAGLOCK LEARN SINGLE DUAL MODE OPEN XMITTER EDGE PHOTO 10A 32V PHOTO GATE 1 D1Ø...

  • Page 43: Wiring Diagram

    TROUBLESHOOTING » WIRING DIAGRAM + DIAGNOSTIC CODES To protect against fire and electrocution: For continued protection against fire: • DISCONNECT power and battery BEFORE installing or servicing operator. • Replace ONLY with fuse of same type and rating. WIRING DIAGRAM 1.

  • Page 44: Troubleshooting Chart

    TROUBLESHOOTING » TROUBLESHOOTING CHART FAULT POSSIBLE CAUSE OPERATOR IS DEAD 1) No voltage to board. Battery must be >23 V, AC or needs to be connected. No LED lights are on. 2) Bad control board. Replace control board. 1) Low/disconnected battery. Voltage must be >23 V at battery connection.

  • Page 45: Repair Parts

    REPAIR PARTS » CONTROL BOX + GATE OPERATOR ARM CONTROL BOX Refer to the parts lists below for replacement parts available for your operator. If optional modifications and/or accessories are included with your operator, certain components may be added or removed from these lists. ITEM PART # DESCRIPTION...

  • Page 46: How To Order Repair Parts

    Tucson, AZ 85706 WARRANTY POLICY LIFTMASTER TWO YEAR LIMITED WARRANTY The Chamberlain Group, Inc. warrants to the first purchaser of this product, for the structure in which this product is originally installed, that it is free from defect in materials and/or workmanship for a period of two years from the date of purchase. The proper operation of this product is dependent on your compliance with the instructions regarding installation, operation, maintenance and testing.

  • Page 47: Accessories

    Includes visor clip. 29-NP712 7 AH/12 Vdc Gate Access System Battery: The gate access system battery is a replacement battery for the operator. The model LA400 requires two batteries. Remote Antenna Mounting Kit: 86LM Kit contains antenna bracket and 15 feet (4.6 m) of cable.

  • Page 48: Template

    TEMPLATE FOR POST BRACKET MOUNTING © 2010, The Chamberlain Group, Inc. 01-19244H All Rights Reserved...

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La400-s

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