Comprehensive guide to the installation and operation of submersible pumps?nada shaban
Comprehensive guide to the installation and operation of submersible pumps?
The submersible pump consists of the pump and an electric motor together, in addition to the pumping pipes, cables and electrical wires that will be submerged under the water.
- 1. Lower the pump and motor assembly below the water level in the reservoir or well. Note that you must determine the depth to which you will lower the pump and motor before making the lowering. Based on the required depth, you will add pipe joints.
- 2. Take all necessary precautions to avoid any damage that may occur to the casing surrounding the electric cable as a result of its collision or friction with the casing tubes of the well or the tubes in the wellhead.
- 3. Attach the electric cable to the pumping pipes and fix the pumping pipes well. Every two metres, tie the cable to the pipes.
- 4. Place pipe tongs on the wellhead and provide the pumping pipe with a valve so that you can control the pipe.
- 5. You don’t need a pump house as the pump and motor are both inside the well. But there should be a completely safe and waterproof box next to the well for the electrical control panel (operational switch and electric meter).
- 6. Open the control valve slightly and turn on the pump.
- 7. At the beginning of the pump operation, you must monitor the water well to make sure that it is completely free of any sand, mud, or any kind of impurities. A common mistake that everyone makes is to stop the pump immediately when there are impurities, sand or mud in the pumped water. This error may lead to the accumulation of sand, mud or other impurities in the pump and on the valve and may cause the pump to fail permanently.
The best solution is to leave the control valve partially closed while pumping continues. After a while, you will notice a change in the pumped water, as it will become more pure. Increase the control valve opening and monitor the water. After a while, the water will be completely free of impurities and the pump will work efficiently without any sediment or sand inside. The principle is that the pump can be fully controlled from the control valve opening to reduce impurities and purify the water.
- 8. When you find that the pumped water is completely clear, stop the pump. Now you have set all settings.
One of the advantages of submersible pumps is that they may not need maintenance at all. It is recommended that you check the pump every two years to ensure that it is working efficiently and that all its parts are completely intact. If there is a malfunction, you will remove the pump from the well and perform the necessary maintenance. Check whether the pump is still in the warranty period.
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