1. Introduction
The Zehnder ComfoSense 55 is an advanced operating unit designed to serve as both a control interface and user interface for Zehnder ComfoAir 350 and 550 ventilation units. This unit provides intuitive control over your ventilation system, allowing for personalized air management within your living or working space.
Its user-friendly menu facilitates the setup of customized daily and weekly programs, enabling automatic or manual ventilation adjustments. The ComfoSense 55 is designed for seamless integration into common switch programs and offers various operational modes to suit different air quality needs.
Figure 1: Various aesthetic options for the Zehnder ComfoSense 55 operating unit, showcasing different bezel colors (signal white/pure white) and shapes (rounded/square corners).
2. Setup and Installation
The ComfoSense 55 operating unit is designed for straightforward installation and integration. It is compatible with standard switch programs from leading brands such as Jung, Gira, and Busch-Jaeger, ensuring flexibility in various electrical installations.
For detailed installation instructions, please refer to the separate installation guide provided with your Zehnder ComfoSense 55 unit. Ensure all electrical connections are made by a qualified professional in accordance with local regulations.
Figure 2: Components included with the Zehnder ComfoSense 55, showing the main unit, the instruction manual, and a selection of interchangeable front panels.
3. Operating the ComfoSense 55
The ComfoSense 55 offers a simple and intuitive menu for controlling your ventilation system. Key operational features include:
- Programmable Schedules: Easily set up personalized daily and weekly ventilation programs to optimize air quality based on your routine.
- Ventilation Levels: Choose from 4 adjustable ventilation levels to suit your current needs, from minimal air exchange to rapid ventilation.
- Operating Modes: Select from various operating modes, including:
- Supply and Exhaust Air Mode
- Extraction Mode
- Outdoor Exhaust Mode
- Automatic and Manual Control: Switch between automatic ventilation settings, which can be regulated based on CO2 and humidity levels, or take manual control for immediate adjustments.
- Radio Control Capability: The integrated radio receiver allows for control using a separate radio transmitter (sold separately), offering additional convenience.
- Party Ventilation: Utilize the ventilation after start delay function for temporary increased ventilation, ideal for events or when higher air exchange is needed.
Navigate the menu using the intuitive buttons on the unit to access and adjust settings. Refer to the on-screen prompts for guidance.
4. Maintenance
The Zehnder ComfoSense 55 is designed for low maintenance. The primary maintenance task involves monitoring and replacing the filters in your connected Zehnder ComfoAir ventilation unit.
- Filter Change Indicator: The ComfoSense 55 features a programmed filter change indicator that will alert you when it's time to replace the filters in your ComfoAir ventilation unit. This ensures optimal air quality and system performance.
- Cleaning: Periodically wipe the surface of the ComfoSense 55 unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
Always ensure the ventilation unit is powered off before performing any maintenance on the filters.
5. Troubleshooting
Should you encounter any issues with your Zehnder ComfoSense 55 operating unit, please consider the following general advice:
- No Display/Power: Check the power supply to the unit and the connected ComfoAir ventilation system. Ensure all cables are securely connected.
- Unresponsive Buttons: Try restarting the connected ComfoAir ventilation unit. If the issue persists, contact customer support.
- Incorrect Readings (CO2/Humidity): Ensure the sensors are clean and unobstructed. If external sensors are used, verify their connection and calibration.
- Communication Errors: Verify the RS 232 communication cable connection between the ComfoSense 55 and the ComfoAir unit.
For more complex issues or problems not resolved by these steps, please contact Zehnder customer support or a certified technician.
6. Technical Specifications
| Feature | Specification |
|---|---|
| Model Number | 655010200 |
| Manufacturer | Zehnder |
| Housing Material | Plastic |
| Color | White (RAL 9016) |
| Weight | 180 grams |
| Power Supply | 12 V |
| Communication Protocol | RS 232 |
| Cable Type | 4 x 0.6 mm² (Connection cable: YSTY 2 x 2 x 0.6) |
| Compatibility | Zehnder ComfoAir 160, 180, 200, 350, and 550 ventilation units |
| Package Dimensions | 16.6 x 11.8 x 5.4 cm |
7. Warranty and Support
For information regarding the warranty of your Zehnder ComfoSense 55 operating unit, please refer to the warranty documentation included with your purchase or visit the official Zehnder website. Warranty terms and conditions may vary by region.
Should you require technical assistance, spare parts, or have any questions not covered in this manual, please contact Zehnder customer support. Contact details can typically be found on the manufacturer's website or in your product packaging.
Please retain your proof of purchase for warranty claims.
