1. Introduction
The eWickler eW920 is an automatic belt winder designed for the convenient and safe operation of roller shutters. It offers a cost-effective and barrier-free solution for automating the raising and lowering of plastic, aluminum, and wooden shutters. This device is ideal for retrofitting and renovating existing roller shutter systems, providing enhanced comfort and security through automated functions.
2. Safety Instructions
- Read all instructions carefully before installation and operation.
- Ensure the power supply is disconnected before performing any installation or maintenance work.
- This device operates on 230V AC. Installation should only be performed by qualified personnel or with extreme caution.
- Do not expose the device to moisture or extreme temperatures.
- Keep children and pets away from the roller shutter during operation.
- Do not attempt to open or repair the device yourself. Contact qualified service personnel.
3. Package Contents
Please check that all items are present in the package:
- 1x eWickler Comfort Belt Winder (eW920)
- 1x Connection cable with Euro plug and small appliance socket (1.5m)
- 2x Mounting screws (4x40mm) with S6 dowels
- 2x Mounting screws (4.2x19mm)
- 1x Winding wheel cover
- 1x Release clip (located inside the winding wheel cover)

Figure 3.1: Illustration of the eWickler eW920 package contents, including the winder unit, power cable, various mounting screws, the winding wheel cover, and a release clip.
4. Product Overview
The eWickler eW920 features an easy-to-read LC display and intuitive controls for setting times and functions. Its compact design allows for surface mounting next to your window frame. The control panel includes buttons for manual up/down operation, time settings, and programming.

Figure 4.1: Front view of the eWickler eW920, showing the digital display and control buttons.
4.1 Dimensions
The device dimensions are approximately:
- Height: 233 mm
- Depth: 158 mm
- Width: 37 mm

Figure 4.2: Technical drawing illustrating the precise dimensions of the eWickler eW920 belt winder.
5. Setup and Installation
The eWickler eW920 is designed for quick, clean, and easy surface mounting. The installation process typically involves:
- Preparation: Ensure the existing roller shutter belt is accessible and the area for mounting is clear. Disconnect power if working near electrical outlets.
- Mounting the Winder: Secure the eWickler unit to the wall next to the window frame using the provided mounting screws and dowels. Ensure it is level and firmly attached.
- Belt Installation: Carefully feed the roller shutter belt into the winder mechanism. Follow the specific instructions in the detailed manual for correct belt tensioning and attachment to the winding wheel.
- Power Connection: Connect the power cable to the device and then to a 230V power outlet.
- Initial Setup: Perform the initial setup as guided by the device's display, which typically involves setting the upper and lower end positions of the roller shutter.

Figure 5.1: Step-by-step illustration of the eWickler eW920 installation process, from preparing the mounting area to securing the device and connecting the belt.
6. Operation
6.1 Manual Control
Use the dedicated up (▲) and down (▼) arrow buttons on the control panel to manually raise or lower the roller shutter. Press and hold the button for continuous movement, or press briefly for incremental adjustments.
6.2 Automatic Functions
The eWickler eW920 supports various automatic functions, including time-controlled operation and optional sunrise/sunset control. These functions are configured through the programming menu.
7. Programming
The eWickler eW920 offers extensive programming options for personalized comfort and security:
- Adjustable Switching Times: Set individual times for automatic raising and lowering of your roller shutters.
- Automatic Summer/Winter Time Adjustment: The device automatically adjusts for daylight saving changes.
- Soft Start and Soft Stop: Individually adjustable soft start and soft stop functions ensure gentle and quiet operation, reducing wear on the shutter and motor.
- Power Reserve: In the event of a power failure, the device maintains its settings and time for approximately 20 hours thanks to an integrated power reserve.
- Dish Protection / Overload Shutdown: An integrated safety feature protects the motor and shutter from damage due to obstructions or excessive load.
- Sunrise/Sunset Control (Optional): With a separately available sun and twilight sensor, the device can automatically raise or lower shutters based on natural light conditions, enhancing security by simulating occupancy.
Refer to the detailed programming section in the complete user manual for step-by-step instructions on setting these functions.
8. Maintenance
The eWickler eW920 requires minimal maintenance to ensure long-lasting performance:
- Cleaning: Wipe the device's exterior with a soft, dry cloth. Do not use abrasive cleaners, solvents, or excessive moisture.
- Belt Inspection: Periodically check the roller shutter belt for any signs of wear, fraying, or damage. Replace the belt if necessary.
- Obstruction Check: Ensure the path of the roller shutter is clear of any obstructions that could impede its movement.
9. Troubleshooting
If you encounter issues with your eWickler eW920, consider the following common solutions:
- Device Not Responding: Check if the power cable is securely plugged into both the device and the wall outlet. Verify that the power outlet is functional.
- Shutter Not Moving: Ensure the roller shutter belt is correctly installed and not jammed. Check for any physical obstructions in the shutter's path. The device's overload protection may have activated.
- Incorrect Times: If automatic times are not functioning as expected, re-enter the programming menu to verify the settings and ensure the current time is correctly set.
- Display Issues: If the display is blank or showing errors, try disconnecting the power for a few minutes and then reconnecting it.
For persistent issues or error codes not listed, please consult the comprehensive troubleshooting guide in the full user manual or contact customer support.
10. Technical Specifications
Below are the key technical specifications for the eWickler Comfort Belt Winder eW920:
| Specification | Value |
|---|---|
| Supply Voltage | 230 V; 50 Hz |
| Nominal Power Max | 120 W |
| Standby Consumption | <= 0.2 watts |
| Rated Torque | 11 Nm |
| Rated Speed | 32 U/min |
| Maximum Pull | 45 kg |
| Strap Width | 23 mm |
| Winding Capacity | 6.3 m |
| Max. Roller Shutter Surface Area (5 kg/m²) | approx. 6 m² |
| Max. Roller Shutter Surface Area (10 kg/m²) | approx. 3 m² |
| Short Period Of Time | 4 minutes |
| Protection Class | II |
| Power Reserve (power failure) | Approx. 20 hours |
| Case Size (H x D x W) | 233 x 158 x 37 mm |
| Operating Temperature | +4°C to +40°C |

Figure 10.1: Original technical data sheet for the eWickler Comfort eW920, detailing various specifications and features.
11. Warranty and Support
The eWickler Comfort Belt Winder eW920 is manufactured by WIR Elektronik. For warranty information, specific terms and conditions, or technical support, please refer to the documentation provided with your purchase or contact your retailer. Keep your proof of purchase for any warranty claims.
Manufacturer: WIR Elektronik







