Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Zehnder ComfoSpot XR Extraction Fan. Please read this manual thoroughly before installation and use, and keep it for future reference.
The Zehnder ComfoSpot XR is an extraction fan designed for indoor air environments, featuring integrated timing and automatic humidity discharge with delayed shut-off. It offers excellent noise protection, making it suitable even for urban areas. The unit can be mounted on both walls and ceilings.
Key Features:
- Suitable for indoor air rooms with integrated control and automatic humidity discharge and delay.
- Excellent noise protection, even in inner-city areas.
- Can be mounted on both walls and ceilings.
- Filters can be safely disposed of with household waste.
- Air flow: 60 m³/h.
- Color: White.

Figure 1: Overview of the Zehnder ComfoSpot XR Extraction Fan.
Safety Instructions
Always observe the following safety precautions to prevent injury or damage to the unit:
- Ensure the power supply is disconnected before any installation, maintenance, or cleaning.
- Installation must be performed by a qualified electrician in accordance with local regulations.
- Do not block the air inlets or outlets.
- Keep the unit away from water and excessive humidity.
- This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
- Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
Setup and Installation
The Zehnder ComfoSpot XR can be installed on either a wall or a ceiling. Ensure the chosen location allows for proper airflow and access for maintenance.
Installation Steps:
- Preparation: Disconnect power to the installation area. Mark the mounting points on the wall or ceiling according to the unit's dimensions.
- Mounting: Secure the fan housing to the wall or ceiling using appropriate fasteners. Ensure it is level and securely attached.
- Duct Connection: Connect the appropriate ventilation ducting to the fan's outlet. Ensure a tight and sealed connection to prevent air leakage.
- Electrical Connection: Connect the electrical wiring according to the diagram provided on the unit and local electrical codes. Ensure all connections are secure and insulated.
- Filter Installation: Insert the ISO Coarse filter into its designated slot.
- Cover Installation: Attach the front cover securely.

Figure 2: Side view showing the duct connection point of the fan.

Figure 3: Rear view of the fan showing the electrical connection terminal and timing/delay settings.

Figure 4: The filter components of the Zehnder ComfoSpot XR, showing the black foam filter and the white fibrous filter.
Operating Instructions
The Zehnder ComfoSpot XR is designed for automatic operation with integrated timing and humidity control.
Basic Operation:
- Once properly installed and powered, the fan will operate based on its internal settings for humidity detection and timer functions.
- The unit is equipped with a delay timer and an automatic humidity discharge system. These functions are pre-set or can be adjusted during installation (refer to the electrical connection diagram for adjustment points, if applicable).
- The fan activates when humidity levels exceed a certain threshold or when manually switched on (if connected to a switch). It will continue to operate for a set period after the humidity drops or after being switched off, ensuring thorough ventilation.
Maintenance
Regular maintenance ensures optimal performance and longevity of your Zehnder ComfoSpot XR.
Filter Replacement:
- The ISO Coarse filter should be checked and replaced regularly, depending on the air quality and usage. A dirty filter can reduce airflow and efficiency.
- To replace the filter:
- Disconnect power to the unit.
- Remove the front cover of the fan.
- Carefully remove the old filter.
- Insert a new ISO Coarse filter, ensuring it is correctly seated.
- Reattach the front cover and restore power.
- Used filters can be safely disposed of with regular household waste.
Cleaning:
- Periodically wipe the exterior of the fan with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Ensure no water enters the electrical components.
- For internal cleaning, disconnect power and carefully wipe the fan blades and housing with a dry or slightly damp cloth. Avoid bending the fan blades.

Figure 5: Internal view of the fan, showing the fan blades and housing, accessible for cleaning after removing the cover.
Troubleshooting
If you encounter issues with your Zehnder ComfoSpot XR, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not turn on. | No power supply. Incorrect wiring. Faulty switch/sensor. | Check power connection and circuit breaker. Verify wiring according to diagram. Consult a qualified electrician. |
| Reduced airflow. | Clogged filter. Blocked air ducts. Fan motor issue. | Replace the filter. Check and clear any obstructions in ducts. Contact customer support. |
| Excessive noise. | Loose mounting. Debris in fan. Motor bearing wear. | Ensure unit is securely mounted. Disconnect power and inspect for debris, carefully remove. Contact customer support. |
| Fan runs continuously. | High humidity in room. Timer/humidity sensor malfunction. | Ensure proper ventilation in the room. Consult a qualified electrician or customer support. |
If the problem persists after attempting these solutions, please contact Zehnder customer support.
Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Zehnder |
| Model | ComfoSpot XR |
| Air Flow | 60 m³/h |
| Color | White |
| Package Dimensions | 36 x 31 x 30 cm |
| Weight | 2 kilograms |
| Batteries Included | No |
| Batteries Required | No |
| ASIN | B07RPSNMRJ |
| Date First Available | 16 April 2022 |
Warranty and Support
Warranty Information:
Specific warranty details for the Zehnder ComfoSpot XR are not provided in the product description. Please refer to the warranty card included with your product or contact Zehnder directly for detailed warranty terms and conditions.
Customer Support:
For technical assistance, spare parts, or any inquiries regarding your Zehnder ComfoSpot XR, please contact Zehnder customer support through their official website or the contact information provided in your product packaging.
Note: Information on spare parts availability is currently unavailable according to product specifications.





