Introduction
This manual provides instructions for the safe and efficient operation of your Ottimo Home Coffee Bean Cooler J 300C. Please read this manual thoroughly before using the product and retain it for future reference.
Product Overview
The Ottimo Home Coffee Bean Cooler J 300C is designed to rapidly cool roasted coffee beans, preventing over-roasting and preserving rich flavor. It features an antique wood design with sanitized stainless steel components.

Image: Front view of the Ottimo Home Coffee Bean Cooler J 300C, showcasing its compact design and the 'ottimo' brand logo on a green panel.
Components

Image: Diagram illustrating the main components of the coffee bean cooler, including the cooling mesh basket, air outlet, main body (fan), and On/OFF switch/air inlet.
- Cooling Mesh Basket: Holds roasted coffee beans for cooling.
- Air Outlet: Where cooled air exits the unit.
- Main Body (Fan): Houses the cooling fan and internal mechanisms.
- On/OFF Switch / Air Inlet: Controls power and serves as the air intake.
Specifications
| Feature | Detail |
|---|---|
| Capacity | 200 g - 300 g |
| Product Size (L x W x H) | 160 mm x 192 mm x 82 mm |
| Weight | 0.8 Kg |
| Power | DC 24 V 0.2 A 5 W (adapter 220 V 60 Hz 2 pin) |
| Model | J 300 C |
| Origin | Made in Korea |
| Manufacturer | Ottimo |
Safety Information
Please observe the following safety precautions to prevent injury or damage to the product:
- Ensure the power adapter matches the specified voltage (220V 60Hz) for your region.
- Do not immerse the unit in water or other liquids.
- Keep out of reach of children.
- Do not block the air inlet or outlet during operation.
- Unplug the unit when not in use or before cleaning.
- Use only with dry coffee beans.
Setup
- Unpack: Carefully remove all components from the packaging.
- Placement: Place the cooler on a stable, flat, and heat-resistant surface. Ensure adequate ventilation around the unit.
- Assemble Basket: Place the cooling mesh basket securely onto the main body of the cooler.
- Connect Power: Insert the DC 24V adapter into the power port on the cooler. Plug the adapter into a suitable 220V 60Hz power outlet.

Image: The Ottimo Coffee Bean Cooler with the mesh basket in place and the power switch visible, ready for operation.
Operating Instructions
- Prepare Beans: After roasting, immediately transfer the hot coffee beans into the cooling mesh basket. Ensure the quantity does not exceed the maximum capacity of 300g.
- Start Cooling: Flip the On/OFF switch to the 'ON' position. The internal fan will activate, drawing air through the beans to cool them rapidly.
- Monitor Cooling: Allow the beans to cool completely. This typically takes a few minutes, depending on the bean temperature and ambient conditions.
- Remove Beans: Once cooled, turn the On/OFF switch to the 'OFF' position. Carefully remove the mesh basket and transfer the cooled beans to an airtight container for storage.

Image: A close-up view of roasted coffee beans resting in the cooling mesh basket of the Ottimo Cooler, ready for the cooling process.

Image: An underside view of the Ottimo Coffee Bean Cooler, revealing the fan mechanism responsible for circulating air to cool the beans.
Maintenance and Cleaning
Regular cleaning ensures optimal performance and longevity of your coffee bean cooler.
- Unplug: Always unplug the cooler from the power outlet before cleaning.
- Clean Mesh Basket: Remove the cooling mesh basket. Wash it with warm, soapy water and rinse thoroughly. Ensure it is completely dry before reattaching.
- Wipe Main Body: Wipe the exterior of the main body with a soft, damp cloth. Do not use abrasive cleaners or immerse the unit in water.
- Clean Fan Area: Periodically inspect the fan area for any accumulated chaff or dust. Use a soft brush or a vacuum cleaner with a brush attachment to gently remove debris.
- Storage: Store the cooler in a clean, dry place when not in use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. |
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| Cooling is inefficient. |
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| Unusual noise during operation. |
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Warranty and Support
Specific warranty information is not provided in the product details. For warranty claims or technical support, please contact the manufacturer, Ottimo, or your point of purchase. Retain your proof of purchase for any warranty-related inquiries.
Manufacturer: Ottimo
Model: J 300C





