1. Once the outlet valve is closed, the pump shall be immediately stopped to ensure that the power supply is on “Off” state in order to avoid emergency starting of power supply. 

2. All the control systems, protection systems, equipment, instruments and meters shall return to the original state. 

3. If there is a possibility of frozen liquid in the pump, the pump and the pipe shall be emptied. 

4. Close the sealing water valve and pressure gauge valve as well as other auxiliary system that does not affect the operating of other equipment.