1. Introduction
Thank you for choosing the TOPENS A8131 Single Swing Gate Opener. This manual provides detailed instructions for the safe installation, operation, and maintenance of your gate opener. Please read this manual thoroughly before beginning installation or operation to ensure proper function and to prevent injury or damage.
The TOPENS A8131 is a heavy-duty automatic gate motor designed to operate single swing gates up to 880 lbs in weight or 18 ft in length. It features a stable 24VDC 80W motor, flexible power options, and advanced safety features for reliable and convenient gate automation.
2. Important Safety Information
WARNING: Failure to follow these safety instructions may result in serious injury or death.
- Read and understand all instructions before installing and using the gate opener.
- Ensure the gate area is clear of people and objects before operating.
- Do not allow children to play on or near the gate. Keep remote controls out of reach of children.
- Never attempt to repair the gate opener yourself. Refer all servicing to qualified personnel.
- Disconnect power to the gate opener before performing any maintenance or service.
- Install the gate opener on a properly functioning and balanced gate.
- Ensure all safety devices (e.g., photo eyes, warning lights) are installed and functioning correctly.
3. Product Overview
3.1 Components
The TOPENS A8131 Single Swing Gate Opener package includes the following main components:
- 1 x Gate Opener Actuator (Arm) with 5-conductor cable
- 1 x UPS01 Uninterrupted Power Supply (IP65 Waterproof)
- 1 x Waterproof Control Box
- 2 x M12 Remote Control Transmitters
- Full Set of Required Installation Hardware

Figure 3.1: Main components of the TOPENS A8131 Single Swing Gate Opener.
3.2 Key Features
The A8131 gate opener is designed with user convenience and safety in mind:
- Heavy-Duty Performance: Capable of driving single swing gates up to 880 lbs or 18 ft.
- Flexible Power Modes: Can be powered by 100-240VAC electricity directly via the included UPS01. Supports 24V 12Ah automotive/marine batteries (not included) as main/backup power, and is solar panel compatible (20W solar panel supported, not included).
- Wide Application: Suitable for various gate materials (steel, wood, vinyl) and shapes (panel, tube, chain-link).
- Multiple Protection: Features advanced TOPENS security code for remotes, reliable electromagnetism limit switch, safety stop-and-reverse, auto-close function, and soft start/soft stop for motor longevity.
- DIY Friendly: Designed for straightforward installation with commonly available tools.

Figure 3.2: Overview of TOPENS A8131 features and capabilities.

Figure 3.3: Internal view of the powerful motor and key components.

Figure 3.4: Flexible power mode options for the gate opener.
4. Setup and Installation
The installation of the TOPENS A8131 gate opener is designed to be straightforward for DIY enthusiasts. Please follow these steps carefully.
4.1 Pre-Installation Checklist
- Ensure your gate is properly installed, balanced, and swings freely without binding.
- Verify that the gate structure is strong enough to support the gate opener.
- Gather all necessary tools as listed in the user manual (e.g., drill, wrenches, measuring tape).
- Plan the wiring path for power and accessories.
4.2 Mounting the Gate Opener
The A8131 supports both Pull-to-Open (gate opens inwards) and Push-to-Open (gate opens outwards) installation styles. Refer to the detailed diagrams and measurements in the full user manual for precise mounting positions.

Figure 4.1: Installation angle reference table.
4.3 Wiring and Power Connection
Connect the gate opener actuator, control box, and UPS01 power supply according to the provided wiring diagrams. Ensure all connections are secure and waterproof. If using battery or solar power, connect them as per the chosen power mode diagram.

Figure 4.2: Power connection diagrams for different modes.
5. Operating Instructions
5.1 Remote Control Operation
The gate opener is operated using the included M12 remote controls. Simply press the designated button on the remote to open or close the gate. The advanced TOPENS security code prevents unauthorized access.

Figure 5.1: Operating the gate with the remote control.
5.2 Manual Release
In case of power outage or remote control malfunction, the gate can be operated manually using the provided manual release key. Insert the key into the lock and turn it to disengage the motor, allowing you to open or close the gate by hand.
5.3 Adjusting Settings
The control box allows for adjustment of various settings, including:
- Self-closing Setting: Configure the gate to automatically close after a set period.
- Obstacle Adjusting: Fine-tune the sensitivity of the obstacle detection system.
- Soft Start and Soft Stop: These features are built-in to protect the motor and ensure smooth gate operation.

Figure 5.2: Key operational features of the gate opener.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your TOPENS A8131 gate opener.
- Monthly: Check the gate for proper balance and smooth operation. Lubricate hinges if necessary.
- Quarterly: Inspect all mounting hardware and electrical connections for tightness and corrosion. Clean any debris from the gate opener arm and control box.
- Annually: Have a qualified technician inspect the entire system, including safety features and motor performance.
- Always disconnect power before performing any maintenance.
7. Troubleshooting
This section addresses common issues you might encounter with your gate opener. For more complex problems, please contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Gate does not respond to remote. | No power; Remote battery low; Remote not programmed. | Check power supply; Replace remote battery; Reprogram remote. |
| Gate stops or reverses unexpectedly. | Obstruction detected; Safety sensor misalignment. | Remove obstruction; Align safety sensors. |
| Gate opens but does not close. | Auto-close disabled; Safety sensor blocked. | Enable auto-close in settings; Clear safety sensor path. |
| Motor makes noise but gate does not move. | Manual release engaged; Mechanical binding. | Disengage manual release; Check gate for obstructions or damage. |
8. Technical Specifications
| Specification | Value |
|---|---|
| Model Number | A8131 |
| Manufacturer | TOPENS |
| Item Weight | 24.3 pounds |
| Product Dimensions | 33.66 x 3.31 x 4.09 inches |
| Max Gate Weight | 880 lbs |
| Max Gate Length | 18 ft |
| Motor Voltage | 24VDC |
| Motor Power | 80W |
| Included Components | Gate Opener Actuator, UPS01 Power Supply, Control Box, 2 x M12 Remote Controls, Installation Hardware |
| Batteries Required | Yes (6 CR2 batteries for remotes, included) |
| Battery Cell Type | Lithium Metal |

Figure 8.1: Product dimensions and optional accessories diagram.
9. Warranty and Customer Support
TOPENS provides a 12-month warranty for the A8131 Single Swing Gate Opener, covering defects in materials and workmanship from the date of purchase. Additionally, a 30-day exchange and return policy is offered.
For any questions, technical assistance, or warranty claims, please visit the official TOPENS website or contact their customer support specialists. They are committed to providing professional and timely solutions.
Visit the TOPENS Store for more information and support.

Figure 9.1: TOPENS customer support is available to assist you.





