1. Introduction
This manual provides essential instructions for the safe and efficient operation of your Clatronic HLO 3322 Convection Oven. This versatile appliance is designed for a variety of cooking tasks, including roasting, baking, grilling, steaming, stewing, defrosting, heating, and barbecue grilling. Please read these instructions thoroughly before first use and keep them for future reference.
2. Safety Instructions
To prevent personal injury or damage to the appliance, always observe the following safety precautions:
- Always place the oven on a stable, heat-resistant surface.
- Ensure the power supply voltage matches the rating label on the appliance.
- Do not immerse the heating unit (lid) in water or any other liquid.
- Avoid touching hot surfaces. Use oven mitts or gloves when handling the glass bowl, racks, or cooked food.
- Keep children and pets away from the appliance during operation.
- Unplug the oven from the power outlet when not in use and before cleaning.
- Do not operate the appliance with a damaged cord or plug, or if it has been dropped or damaged in any way.
- Ensure adequate ventilation around the oven during use. Do not block air vents.
- The glass bowl is made of safety glass. Handle with care to avoid breakage.
3. Product Overview and Components
Familiarize yourself with the parts of your Clatronic HLO 3322 Convection Oven:
- Heating Unit (Lid) with controls (temperature and timer dials)
- Glass Bowl (12-liter capacity)
- Base Stand
- High Rack
- Low Rack
- Extension Ring (increases capacity)
- Steam Insert
- Tongs
- Grill Skewers
- Lid Holder

Figure 3.1: The Clatronic HLO 3322 Convection Oven, showing the heating unit, glass bowl, and low rack on its base stand.

Figure 3.2: The convection oven assembled with the extension ring, increasing its cooking capacity.
4. Setup
- Unpacking: Carefully remove all packaging materials and accessories. Retain packaging for storage or future transport.
- Initial Cleaning: Before first use, wash the glass bowl and all accessories (racks, tongs, etc.) in warm, soapy water. Rinse thoroughly and dry completely. Wipe the heating unit with a damp cloth.
- Placement: Place the base stand on a flat, stable, and heat-resistant surface. Ensure there is sufficient space around the oven for ventilation (at least 10 cm on all sides).
- Assembly: Place the clean glass bowl onto the base stand. Position the desired rack (high or low) inside the glass bowl. If additional capacity is needed, place the extension ring between the glass bowl and the heating unit.
- Power Connection: Ensure the oven is switched off (timer dial at 'OFF') before plugging the power cord into a grounded electrical outlet.
5. Operating Instructions
The Clatronic HLO 3322 offers versatile cooking options. Always preheat the oven for optimal results, typically for 5-10 minutes at the desired temperature.
5.1 Temperature and Timer Control
- Temperature Dial: Located on the heating unit, this dial allows you to set the desired cooking temperature. The thermostat is continuously adjustable.
- Timer Dial: Also on the heating unit, this dial sets the cooking duration. Turn the dial clockwise to set the time. The oven will automatically switch off when the timer reaches zero. For continuous operation, turn the timer past the maximum setting to the 'ON' position (if available, otherwise set to maximum and monitor).
- Indicator Lights: The heating unit typically features indicator lights for 'POWER' (red) and 'HEAT' (green). The 'HEAT' light illuminates when the heating element is active and turns off when the set temperature is reached.
5.2 Cooking Functions
This convection oven can perform various cooking tasks:
- Roasting & Baking: Place food on the appropriate rack. Use the high rack for items requiring more direct heat or closer proximity to the heating element, and the low rack for larger items or gentler cooking.
- Grilling: Ideal for meats and vegetables. Ensure food is placed on a rack to allow air circulation.
- Steaming: Use the steam insert with a small amount of water in the bottom of the glass bowl for steaming vegetables or fish.
- Defrosting: Set a low temperature and short time to gently defrost frozen foods.
- Heating: Reheat leftovers efficiently.

Figure 5.1: Example of cooking salmon and broccoli simultaneously using the high and low racks.

Figure 5.2: A whole chicken being roasted in the convection oven, demonstrating its capacity for larger items.
6. Maintenance and Cleaning
Regular cleaning ensures optimal performance and extends the life of your appliance.
- Before Cleaning: Always unplug the oven and allow it to cool completely before cleaning.
- Glass Bowl: The glass bowl can be washed by hand with warm, soapy water or placed in a dishwasher. For stubborn food residues, soak the bowl in warm water with dish soap before cleaning.
- Accessories: Racks, tongs, extension ring, and other accessories can be washed by hand with warm, soapy water.
- Heating Unit: Wipe the exterior of the heating unit with a damp cloth. Do not use abrasive cleaners. Never immerse the heating unit in water. The fan guard and heating element can be gently cleaned with a soft brush if necessary, ensuring the appliance is unplugged.
- Storage: Store the clean and dry oven in a cool, dry place.
7. Troubleshooting
If you encounter issues with your convection oven, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven does not turn on. | Not plugged in; timer not set; power outage. | Check power cord connection; set timer; check household circuit breaker. |
| Oven heats slowly or unevenly. | Temperature set too low; food overloaded; lid not sealed properly. | Increase temperature setting; reduce food quantity; ensure lid is securely placed. |
| Excessive smoke during cooking. | Food residue or grease build-up; fatty foods. | Clean the glass bowl and racks thoroughly; use a drip tray for very fatty foods. |
8. Specifications
- Model: Clatronic HLO 3322
- Power: 1300 Watts
- Voltage: 230 Volts AC
- Capacity: 12 Liters
- Material: Safety Glass
- Color: White
- Dimensions (Package): 36.6 x 36.4 x 24 cm
- Weight (Package): 7.5 kg
- Control Method: Rotary Dials (Temperature, Timer)
- Non-stick coating: Yes (on accessories)
9. Warranty and Support
Your Clatronic HLO 3322 Convection Oven is covered by a manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms and conditions, including the warranty period and coverage details. For technical support, spare parts, or warranty claims, please contact Clatronic customer service through their official website or the contact information provided in your product documentation.





