1. Introduction
The DEFA Termini II 1400 Schuko A430056 is a compact and efficient vehicle interior heater designed to provide comfortable warmth in your car, even in cold temperatures. Manufactured by DEFA and branded by DOMETIC, this unit offers a practical alternative to expensive independent heating systems, quickly warming the car's interior with 1400W of power.
This heater is suitable for small to medium-sized vehicles. Its versatile design also allows it to serve as an auxiliary heater for indoor spaces such as homes, offices, RVs, or boats.
2. Important Safety Instructions
Please read and understand all safety instructions before operating the DEFA Termini II 1400 Schuko A430056 heater. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always ensure the heater is unplugged and cool before performing any maintenance or cleaning.
- Do not cover the heater during operation, as this can lead to overheating and fire.
- Ensure proper ventilation around the heater. Maintain a safe distance from walls, furniture, and other objects.
- Keep the heater away from flammable materials such as curtains, paper, and chemicals.
- Only connect the heater to a properly grounded 230V AC power outlet. Do not use extension cords unless absolutely necessary and ensure they are rated for the heater's power consumption.
- Do not use the heater in wet or damp conditions, or near water.
- Unplug the heater from the power source when not in use or when leaving the vehicle unattended.
- Do not insert foreign objects into the heater's vents or openings.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
3. Package Contents
Verify that all items are present in the package:
- DEFA Termini II 1400 Schuko A430056 Heater Unit
- Mounting Kit (for 'click-in' system)
- Power Cable with Schuko Plug
4. Setup and Installation
The DEFA Termini II 1400 Schuko A430056 features a 'click-in' mounting system for straightforward installation.
- Choose a Location: Select a suitable, stable surface in your vehicle for mounting. Ensure the heater will not obstruct driving controls, pedals, airbags, or passenger movement. The location should allow for adequate airflow around the unit.
- Mount the Bracket: Use the provided mounting kit to securely attach the bracket to the chosen surface. This may involve drilling small holes, as mentioned in user feedback, to ensure a firm attachment.
- Attach the Heater: Carefully click the heater unit into the mounted bracket until it is firmly secured.
- Connect Power: Connect the power cable to the heater unit. Then, route the power cable safely, ensuring it does not interfere with vehicle operation or pose a tripping hazard. Plug the Schuko plug into a standard 230V AC grounded power outlet.

Figure 1: The DEFA Termini II 1400 Schuko A430056 heater. It is a compact, dark gray rectangular unit with a power switch on one side and air vents on the front. A power cord with a Schuko plug is attached, ready for connection to a 230V AC outlet.

Figure 2: This image illustrates the dimensions of the DEFA Termini II 1400 Schuko A430056 heater, showing a measurement of 5.5 inches (14 cm) for one of its sides, providing a visual reference for its compact size.
5. Operating Instructions
Follow these steps to operate your DEFA Termini II 1400 Schuko A430056 heater:
- Power Connection: Ensure the heater is securely mounted and the power cable is plugged into a grounded 230V AC outlet.
- Turn On: Locate the power switch on the heater unit. Flip the switch to the 'ON' position. The heater will begin to operate, circulating warm air.
- Heating Time: Allow sufficient time for the heater to warm the interior of your vehicle. Depending on external temperatures and vehicle size, this can take up to 60 minutes for optimal results.
- Timed Operation (Optional): For automated operation, an external timer (not included) can be used. Connect the heater to the timer, and program the timer according to its instructions.
- Turn Off: To turn off the heater, flip the power switch to the 'OFF' position. For complete disconnection, unplug the unit from the power source.
6. Maintenance and Care
Regular maintenance ensures optimal performance and longevity of your heater.
- Cleaning: Always ensure the heater is unplugged and completely cool before cleaning. Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the unit.
- Airflow: Periodically inspect the air intake and outlet vents for any accumulation of dust, lint, or debris. Clean these areas gently with a soft brush or vacuum cleaner attachment to maintain unrestricted airflow. Blocked vents can reduce heating efficiency and pose a safety risk.
- Storage: When not in use for extended periods, store the heater in a dry, cool place, away from direct sunlight and extreme temperatures.
7. Troubleshooting
If you encounter issues with your heater, refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power supply. Power switch is OFF. | Check if the power cable is securely plugged into a working 230V AC outlet. Ensure the power switch on the unit is in the 'ON' position. |
| Insufficient heating. | Vehicle doors/windows open. Not enough time for heating. Blocked air vents. | Ensure all vehicle doors and windows are closed. Allow sufficient time for the heater to warm the interior (up to 60 minutes in very cold conditions). Check air intake and outlet for obstructions and clean if necessary. |
| Unusual noise during operation. | Normal fan operation. Loose mounting. Internal obstruction. | A certain level of fan noise is normal for this type of heater. Ensure the unit is securely mounted and not vibrating against other surfaces. If the noise is excessive or unusual, discontinue use and contact customer support. |
8. Technical Specifications
| Brand: | DOMETIC |
| Manufacturer: | DEFA |
| Model Number: | A430056 |
| Dimensions (L x W x H): | 18.3 x 13.8 x 2.8 cm |
| Weight: | 615 grams |
| Power: | 1400 W |
| Voltage: | 230 Volts |
| Number of Speeds: | 2 |
| Special Feature: | Silent (Note: Some fan noise is normal during operation) |
| Heating Method: | Convection |
| Recommended Use: | Car, Home, Office, RV, Boat |
| Power Source: | Corded Electric |
9. Warranty and Support
Warranty information for the DEFA Termini II 1400 Schuko A430056 is not explicitly provided in the product details. Please refer to your purchase documentation or contact DOMETIC customer support for specific warranty terms and conditions.
For technical support, product inquiries, or assistance with parts, please visit the official DOMETIC website or contact their customer service department through the contact information provided on their website.





