★Safety precautions

1. Before installation and use, the interior of the submersible motor must be filled with clean water.

2. Before maintaining or repairing the submersible electric pump, the power supply must be disconnected.

3. Regularly check the insulation resistance of the motor winding to ground.

4. The water pump must be equipped with overload protection devices (such as air switch oil immersed compensation start switch or overload protection control cabinet), and explosion-proof overload protection switches must be equipped for use in coal mines.

5. Submersible electric pumps must be reliably grounded in special use situations, such as when they are easily accessible to humans or livestock.

6. Submersible electric pumps cannot be used horizontally, they can only be used vertically.

7. Before installation and use, it is necessary to read the installation, use, maintenance and upkeep contents in the user manual

★ Safety signs

According to the requirements of GB/T9969-2008, GB10395.1-2009, and GB10396-2006, our company's submersible motors are equipped with safety warning signs. Please strictly follow the relevant content of the safety signs to ensure safe use.

★ Special Reminder

1. When the nameplate of the pump does not match the instruction manual, the nameplate of the pump shall prevail.

2. If the pump is taken out of the well for storage, remember to drain the water inside the motor chamber to prevent the motor from being frozen or even scrapped.

3. Strictly follow the prescribed head to prevent motor overload and burnout due to low head and flow rate.

4. Qualified power sources, cables, and protective switches must be used as required.

5. Before going down the well, the motor must be filled with clean water and it is strictly prohibited to operate without water.

6. This product is a clean water pump. It is strictly prohibited to dig new wells or pump muddy water.

7. It is strictly prohibited to dry test the submersible electric pump outside the well before going down.

▶ Overview

Submersible electric pump is a new type of water lifting machinery, consisting of a submersible motor and a submersible pump. It is widely applicable to cities, industrial and mining enterprises, and cooling systems

Unified water supply and drainage, as well as farmland irrigation and drainage. Its main feature is that the motor and water pump are connected as one unit to work underwater, without the need for pump rooms or other buildings for use and maintenance

Convenient, efficient, safe and reliable operation.

▶Usage conditions

1. Power supply: 380V three-phase AC, 50HZ

2. Water quality: (1) The water temperature should not exceed 20 ℃; (2) The solid impurity content (mass ratio) shall not exceed 0.01%; (3) PH value (acidity/alkalinity) 6.5~8.5; (4) The content of hydrogen sulfide shall not exceed 1.5mg/l; (5) The content of chloride ions is not more than 400mg/l

3. Submersible motors (excluding oil immersed ones) must be filled with clean water inside

4. Submersible electric pumps must operate completely submerged in water.

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