1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Somfy LT50 Gemini 25/17 tubular motor. This motor is designed for roller shutters, offering a quiet and powerful solution for systems up to 63 kg. It is suitable for both new installations and retrofitting existing roller shutter systems. Please read these instructions carefully before installation and retain them for future reference.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the product:
- Ensure the power supply is disconnected before performing any installation, maintenance, or repair work.
- Installation must be carried out by qualified personnel in accordance with local electrical codes and regulations.
- Do not allow children to operate the motor or play with the controls.
- Keep hands and loose clothing clear of moving parts during operation.
- Do not modify the motor or its components. Use only original Somfy parts and accessories.
- Regularly inspect the motor and roller shutter system for signs of wear or damage.
3. Product Features
The Somfy LT50 Gemini 25/17 tubular motor offers several key advantages:
- Motor Power: 25 Nm torque with a speed of 17 revolutions per minute (rpm).
- Wired Operation: Designed for wired control systems.
- Mechanical Limit Settings: Quick and easy manual adjustment of upper and lower limit positions using two integrated push buttons.
- Quiet Operation: Features a whisper gear for reduced noise during use.
- Durability: Engineered for a long service life with proven Somfy technology.
- Easy Installation: Designed for straightforward setup and maintenance-free operation.
4. Setup and Installation
The Somfy LT50 Gemini 25/17 motor is supplied with a standard adapter set for a 60 mm octagonal shaft, fully assembled for convenience.
4.1 Unpacking and Inspection
Carefully unpack the motor and inspect it for any signs of damage. Ensure all components, including the adapter set, are present.
4.2 Mounting the Motor
Insert the motor into the roller shutter shaft. The pre-assembled adapter for the 60 mm octagonal shaft ensures a secure fit. Secure the motor's end piece into the wall bracket and fasten it with the retaining clip.
Figure 1: Somfy LT50 Gemini 25/17 tubular motor with octagonal shaft adapter.
4.3 Electrical Connection
Connect the motor to the 230 V / 50 Hz power supply. Ensure all electrical connections are made by a qualified electrician and comply with local regulations. The motor comes with a 3-meter cable for connection.
4.4 Setting Limit Positions
The Somfy LT50 Gemini 25/17 features mechanical limit switches. To set the upper and lower end positions:
- Operate the roller shutter to the desired upper limit position.
- Press the corresponding adjustment button on the motor (typically marked for 'up' or 'upper limit') until the position is set.
- Operate the roller shutter to the desired lower limit position.
- Press the corresponding adjustment button on the motor (typically marked for 'down' or 'lower limit') until the position is set.
A single press of the push button is usually sufficient to register the final position. Refer to the markings on the motor for specific button identification.
Figure 2: Somfy LT50 Gemini 25/17 motor with visible adjustment buttons.
5. Operating Instructions
Once installed and the limit positions are set, the Somfy LT50 Gemini 25/17 motor operates via a wired control switch (not included). Simply press the 'up' or 'down' button on your control switch to move the roller shutter. The motor will automatically stop at the pre-set upper or lower limit positions.
6. Maintenance
The Somfy LT50 Gemini 25/17 tubular motor is designed to be maintenance-free. However, regular inspection of the roller shutter system is recommended:
- Visual Inspection: Periodically check the motor, shaft, and roller shutter fabric for any signs of wear, damage, or obstruction.
- Cleaning: Keep the motor area free from dust and debris. Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.
- Functionality Check: Occasionally test the full range of motion of the roller shutter to ensure the limit settings are still accurate.
If you notice any unusual noises or operational issues, refer to the troubleshooting section or contact customer support.
7. Troubleshooting
If you encounter issues with your Somfy LT50 Gemini 25/17 motor, consider the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor does not respond | No power supply; faulty wiring; control switch issue. | Check power connection; verify wiring; test control switch. Consult an electrician if necessary. |
| Roller shutter stops prematurely or does not reach limits | Limit settings incorrect; obstruction in the roller shutter path. | Re-adjust limit settings as per Section 4.4; remove any obstructions. |
| Unusual noise during operation | Mechanical issue; obstruction. | Inspect the shaft and roller shutter for obstructions or damage. If noise persists, contact support. |
If the problem persists after attempting these solutions, please contact Somfy customer support or a qualified service technician.
8. Specifications
| Specification | Value |
|---|---|
| Brand | Somfy |
| Model Number | LT50 Gemini 25/17 |
| Torque | 25 Nm |
| Speed | 17 RPM |
| Voltage | 230 V |
| Frequency | 50 Hz |
| Wattage | 170 Watts |
| Max. Pulling Capacity (1.5m roll height) | Up to 63 kg |
| Max. Pulling Capacity (2.5m roll height) | Up to 53 kg |
| Protection Class | IP 44 |
| Motor Length | 575 mm |
| Cable Length | 3 m |
| Product Dimensions (W x H) | 61.7 cm x 7.4 cm |
| Item Weight | 2 kg |
| Shaft Diameter (compatible) | 60 mm (Octagonal) |
| Material | Metal |
| UPC / GTIN | 765285451489 |
| Country Of Origin | Italy |
9. Warranty and Support
Somfy products are manufactured to high-quality standards and are designed for reliability. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official Somfy website. For technical assistance, troubleshooting beyond this manual, or to inquire about replacement parts, please contact Somfy customer support. Ensure you have your model number (LT50 Gemini 25/17) and purchase details available when contacting support.
Somfy Customer Support: Please visit www.somfy.co.uk/contact for contact information in your region.