When using a mesh belt dryer to dry banana chips, the temperature and time settings will also vary based on the specific equipment model and manufacturer recommendations. Generally, the following is recommended:

1. Pre-processing: Peel and slice the bananas into thin slices, making sure their thickness is relatively even.

2. Preheating mesh belt dryer: According to the equipment instruction manual, preheating equipment, the general preheating temperature is between 50-60 degrees Celsius.

3. Drying temperature: Set the temperature of the mesh belt dryer. Generally speaking, the drying temperature is between 60-70 degrees Celsius.

4. Drying time: Depending on the thickness of the banana slices and the performance of the dryer, the drying time may be between 1.5 and 4 hours. Check the banana slices regularly to make sure they are as dry as desired.

5. Wind speed control: Adjust the wind speed as needed to ensure air circulation during the drying process and help dry ingredients more evenly.

The above is general advice, make sure you understand the equipment manufacturer's recommendations and guidance before operating.

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