•  Three-phase AC, 380V + 10%, 50Hz + 1

•  Full voltage starting when motor's power<15Kw, reduced voltage starting when motor's power>15Kw.

•  The inner chamber motor must be filled with clean water, and safely dive into water, but the diving depth should not exceed 70m.

•  The temperature of water source should not exceed 20 ℃ .

•  In the delivered liquid, the content of solid substance should not exceed 0.01% according to the calculation of mass.

•  The PH of delivered liquid is 6.5-8.5.

•  The content of chloride ion in water should not exceed 400 mg/l.

•  The button of “ON” and “OFF” should not be used frequently, it can not be used to wash a new well.