High lift deep well pump manufacturer: safety matters of deep well submersible pump

High-lift deep well pump manufacturers talk about safety matters in the use of deep well submersible pumps

　　high lift deep well pumpManufacturer: reasons for high temperature of deep well submersible pump motor

1. The ambient temperature is too high

The treatment method is to adjust the flow and head of the water pump, reduce the load of the motor or take appropriate cooling measures to reduce the temperature rise of the motor.

2. The power supply voltage is too low

The treatment method is to check the cause of the low voltage, eliminate the fault, and readjust the power supply voltage to above 342V.

3. The deep well pump motor is not running synchronously

The treatment method is to check the wiring of the power supply, control and protection switch, and deep well submersible pump motor, find out the reason for the lack of phase of the power supply, and restore normal power supply.

4. Excessive motor load of deep well pump

The treatment method is to check whether the motor running current exceeds the rated current. If the motor current is too large, check the cause of the excessive current. If it is caused by the deep well submersible pump or motor failure, eliminate the fault. If the pump load is too large, reduce the pump load or Increase the motor power to match the pump and motor power to ensure the normal and reliable operation of the deep well submersible pump.

　　high lift deep well pumpManufacturer: pay attention to the safe use of submersible pump

1. Please read the instructions carefully before use

Submersible pumps are generally submerged in water, so do not expose the submersible pump to water during use. If you buy a water-filled submersible pump or an oil-filled submersible pump, you must fill it with water or oil before using the submersible pump., Otherwise it is easy to cause the engine to burn.

2. Connect the specified stable voltage and current

Each type of submersible pump has a corresponding voltage and current. Before use, the correct voltage and current must be connected according to the instructions or the nameplate of the submersible pump. At the same time, during the operation of the submersible pump, the user should observe the power supply voltage at any time, lower than 10% of the rated voltage and higher than 10% of the rated voltage. The motor should be stopped to find out the cause and eliminate the fault.

3. Confirm the correct direction of rotation of the motor

Before starting the pump, you should find out the correct direction of rotation of the submersible pump motor. At present, there are many types of high-lift submersible pumps. Both forward and reverse can drain water, but the water output is small when reversing, the current is large, and the motor will be damaged for a long time. Winding, therefore, before starting the pump, be sure to determine the correct direction of rotation of the submersible pump.

　　high lift deep well pumpManufacturer: installation steps of submersible deep well pump

(1) The water filter in the middle of the submersible deep well pump should be removed, the water injection plug and drain plug should be unscrewed, clean neutral water should be injected into the machine, and then the plug should be tightened.

(2) Use a 500V megohmmeter to measure the resistance at the motor end not less than 150 megohmmeter, and use a screwdriver to pry the impeller to rotate freely without jamming.

(3) First, connect the short water pipe of the submersible deep well pump to the valve body of the check valve, install it under the flange on the short water pipe with a pair of splints, and then gently hoist the pump into the well to make the splint on the manhole cover.

(4) When installing the submersible deep well pump, the pipeline rubber pad should be laid between the two flanges of the pipeline, and the bolts should be tightened symmetrically, and the cable should be tied in the groove on the water pipe flange; do not use the cable as a sling, Do not touch the cable.

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