1. First turn the main power switch to the ON position;
2. Turn on the cooling tower and the cooling water pump switch. At this time, pay attention to the cooling water inlet and outlet valves must be opened (Note: air-cooled type does not need to be equipped with cooling tower).
3. Turn on the freezer running switch again. At this time, the chilled water pump starts to run. Please note that the chilled water inlet and outlet valves must be opened. After the delay switch delay, the compressor will automatically run. Please check and adjust the required temperature.
4. When shutting down, please shut down in reverse order.