The heat pump fruit and vegetable dryer is a kind of equipment that can be used to dry fruits and vegetables by applying heat pump technology. The process of drying durians requires time and temperature control to ensure that the durians dry thoroughly and maintain their quality.
The following are the basic steps of drying durian with a heat pump fruit and vegetable dryer and suggestions for controlling time:

1. To prepare the durian, cut the durian flesh into even thin slices and place it on the tray of the dryer.
2. Preheat the heat pump fruit and vegetable dryer to an appropriate temperature. The recommended temperature is 60-70°C.
3. Put the tray in the dryer and start the machine.
4. Before starting the drying process, the machine should be set to the proper time and temperature. The recommended drying time is 6-8 hours, depending on the thickness of the durian and the performance of the machine. At the same time, it is recommended to control the temperature between 60-70°C.
5. During the drying process, the drying condition of the durian should be checked regularly. If the durian is found to be scorched, stop the machine immediately and adjust the time and temperature.
6. After the drying is completed, take the durian out of the heat pump fruit and vegetable dryer and place it in a ventilated and dry place to ensure it is thoroughly dried and maintains its quality.

In short, the drying time of the heat pump fruit and vegetable dryer depends on the thickness of the durian and the performance of the machine. The recommended drying time is 6-8 hours, and the temperature is controlled between 60-70°C. During the drying process, the drying of the durians needs to be checked regularly and adjusted as needed.