Lidhujnk LM149

Lidhujnk LM149 Automatic Electric Gate Lock Instruction Manual

Model: LM149

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of the Lidhujnk LM149 Automatic Electric Gate Lock. This device is designed to enhance the security and convenience of your gate system, featuring robust construction and reliable locking mechanisms. Please read this manual thoroughly before installation and use to ensure proper function and safety.

2. Safety Instructions

Important Safety Information:

  • Always read the operating manual completely before use. Pay particular attention to all safety instructions.
  • Ensure the gate is level and moves freely without binding or blocking against the frame before installing the electric lock.
  • This product is not compatible with DC12V door-opening systems. Ensure your gate operator system provides a DC 24V output signal.
  • For dual gates, the lock must be installed on the Master Gate (the gate that opens first).
  • Always disconnect power before performing any installation, maintenance, or troubleshooting.
  • Keep hands and clothing clear of moving gate parts during operation.

3. Package Contents

Verify that all components are present in the package:

  • 1 x Electric Gate Lock
  • 1 x Lock Receiver
  • 2 x Keys
  • 1 x English Manual (this document)

4. Setup and Installation

The LM149 Electric Gate Lock is designed for straightforward installation. Ensure you have the necessary tools and hardware for your specific gate type.

4.1 Pre-Installation Checks

  • Confirm your gate operator system provides a DC 24V output signal for the electric lock.
  • Ensure the gate is properly aligned, level, and operates smoothly without obstruction.
  • Measure the installation holes spacing (50mm/2in) to ensure compatibility with your gate structure.

4.2 Mounting the Electric Lock

The electric lock and receiver should be mounted to ensure proper engagement when the gate is closed. The lock is made from Q235 steel with electrostatic spraying for durability and corrosion prevention.

Lidhujnk LM149 Electric Gate Lock components showing Q235 steel construction, high hardness, IP44 protection, and corrosion prevention.

Figure 1: Components of the LM149 Electric Gate Lock, highlighting its robust Q235 steel construction, high hardness, IP44 protection level, and corrosion prevention features.

Diagram showing the Lidhujnk LM149 Electric Gate Lock with its 16.4ft power cord and a snippet of the installation manual.

Figure 2: The LM149 Electric Gate Lock with its 16.4ft (5m) power cord, providing ample length for connection. A portion of the installation manual is visible, emphasizing the 24V requirement.

  • Position the electric lock and receiver on the gate and gate post, respectively, ensuring they align perfectly when the gate is in the closed position.
  • Mark the drilling points using the lock's mounting holes.
  • Drill appropriate holes and securely fasten the lock and receiver using suitable hardware (not included, as per varying gate materials).
  • The lock features smooth edges to reduce the risk of accidental injury during installation and handling.
Close-up of the Lidhujnk LM149 Electric Gate Lock showing smooth edges and the 16.4ft power cord.

Figure 3: Detailed view of the LM149 Electric Gate Lock, highlighting its smooth edges for user safety and the generous 16.4ft power cord for flexible installation.

4.3 Wiring

  • Connect the 5m (16.4ft) power cord from the electric lock to the DC 24V output terminals of your gate operator control board.
  • Ensure all connections are secure and properly insulated to prevent short circuits and ensure reliable operation.
  • Test the gate operation and lock engagement before finalizing the installation.

5. Operating Instructions

The LM149 Electric Gate Lock provides secure and convenient gate access with two primary unlocking methods.

5.1 Automatic Locking Function

When the gate closes, the electric lock automatically engages with minimal force, ensuring the gate is securely latched. This automatic function prevents accidental openings and enhances overall security.

Lidhujnk LM149 Electric Gate Lock installed on a gate, illustrating its high security, easy locking, simple installation, and ease of cleaning.

Figure 4: The LM149 Electric Gate Lock in operation, demonstrating its key benefits including high security, easy locking mechanism, simple installation, and ease of maintenance.

5.2 Unlocking Methods

The lock supports two methods for unlocking:

  • Access Control System: The lock integrates with your existing access control system, allowing for remote or automated unlocking. The unlocking time is typically greater than 3 seconds.
  • Spare Keys: In case of power outages or access system failure, the lock can be manually unlocked using the provided spare keys.
A person manually unlocking the Lidhujnk LM149 Electric Gate Lock with a key, illustrating the two unlocking methods: access control system and spare keys.

Figure 5: Demonstration of the two unlocking methods for the LM149 Electric Gate Lock: via an access control system or manually with the provided spare keys, ensuring access even during power failures.

The LM149 is designed for all-weather security, operating effectively in temperatures ranging from -20℃ to 60℃ (-4℉ to 140℉) with an IP44 protection level.

Lidhujnk LM149 Electric Gate Lock shown in both snowy winter and sunny summer conditions, indicating its -4°F to 140°F operating temperature range for all-weather protection.

Figure 6: The LM149 Electric Gate Lock's resilience in various weather conditions, showcasing its operational capability from -4°F to 140°F, providing reliable security year-round.

This lock is ideal for various situations, providing enhanced security against strong winds, pets, unauthorized entry, and ensuring gates close tightly.

Collage of scenarios where the Lidhujnk LM149 Electric Gate Lock provides benefits: preventing gates from shaking in strong wind, keeping pets secure, deterring thieves, and ensuring gates close tightly.

Figure 7: Illustrative scenarios demonstrating the practical benefits of the LM149 Electric Gate Lock, including stability in strong winds, pet containment, theft deterrence, and reliable gate closure.

6. Maintenance

Regular maintenance ensures the longevity and reliable operation of your electric gate lock.

  • Cleaning: Periodically clean the lock mechanism and housing with a soft, damp cloth. Avoid abrasive cleaners or solvents.
  • Lubrication: Apply a small amount of silicone-based lubricant to the moving parts of the lock mechanism annually to ensure smooth operation.
  • Inspection: Regularly inspect the lock, receiver, and wiring for any signs of wear, damage, or corrosion. Ensure all mounting hardware remains tight.
  • Environmental Protection: The IP44 rating provides protection against splashing water and solid objects larger than 1mm. While robust, avoid direct high-pressure water jets.

7. Troubleshooting

If you encounter issues with your LM149 Electric Gate Lock, refer to the following common problems and solutions:

Problem Possible Cause Solution
Lock does not engage/disengage No power to the lock; Wiring issue; Gate misalignment; Obstruction in lock mechanism. Check power supply (24V DC); Inspect wiring for damage or loose connections; Adjust gate alignment; Clear any debris from the lock.
Lock operates intermittently Loose wiring connection; Insufficient power; Faulty control board signal. Secure all wiring connections; Verify stable 24V DC power supply; Consult your gate operator manual for control board diagnostics.
Keys do not unlock manually Key mechanism jammed; Incorrect key. Apply a small amount of graphite lubricant to the keyhole; Ensure you are using the correct key.
Excessive noise during operation Lack of lubrication; Misalignment. Lubricate moving parts; Check and adjust gate and lock alignment.

If the problem persists after attempting these solutions, please contact customer support.

8. Specifications

Feature Detail
Model Name LM149 Automatic Electric Gate Lock
Brand Lidhujnk
Material Q235 Steel (Electrostatic Spraying)
Color Black
Power Supply Wired Control (DC 24V)
Power 60W
Working Current 2.5A
Control Mode Access Control System / Key
Locking Method Collision / Power-Off
Unlocking Time >3S
Protection Level IP44
Working Temperature -20~60℃ / -4~140℉
Power Cord Length 5m / 16.4ft
Installation Holes Spacing 50mm / 2in
Lock Size (L x W x H) 105 x 219.2 x 50mm / 4.1 x 8.6 x 2in
Net Weight 1.7kg / 3.75lbs

9. Warranty and Support

For warranty information and technical support, please refer to the contact details provided with your purchase or visit the official Lidhujnk website. Keep your purchase receipt for warranty claims.

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