How does an automatic water pump control system works?

In the following sequence, we will simulate the operation of The Best Control Pump System by Pearl Water Systems.

For the purpose of this test, we will imagine that the suction line is coming from a lake, a pond, or lifting from a well or a tank.

0:13 When not to use an Automatic Pump Control System?
It is important to note that this type of system will not work properly in boosting applications, so it is not recommended to connect it to city pressure or a well pump. You can also see the shower, simulating the outlet or an irrigation zone. The pressure gauge will display the pressure in the system during the test.

0:28 How to assemble an Automatic Pump Control System?
At this time, the pump is connected to the pipe, and we are ready to start the test. Connect the controller into a power supply, and the pump will receive a command from the controller to start working.

0:44 What happens to the Pump Control System when there is no water demand?
When there is no water demand since the shower is not open, the pump will boost the pressure, and after ten seconds with no flow, the controller will stop the pump. The whole system will go on standby, and the pressure at this point will be equivalent to the maximum pressure the pump can generate, also known as the shutoff of the pump. In this specific case, the maximum pressure is 70 PSI, and the pressure will remain at this point until someone turns on an outlet.

1:13​ What happens to the water pressure when the water demand is increasing?
When the outlet opens, the pump will start working and the pressure in the system will be equivalent to the maximum pressure that the pump can make at the demanded flow. In this case, the shower demand is seven gallons, and the pump will boost sixty-five PSI. If a second shower is opened, the water demand will be higher and the pressure will drop to sixty. If a third shower is opened, the demand will be higher, and the pressure will drop to fifty-five PSI. The pump will continue to operate as long as the showers remain open. If a shower is shut off, the pressure will increase as the water demand is now lower. If another shower is shut off, the pressure will increase again, and if the last shower is closed, after ten seconds without flow, the system will enter standby mode. The pressure in the system will remain at the shutoff pressure until there is flow demand again.

2:03​ What are the advantages of using an Automatic Pump Control System?
One of the biggest advantages of these systems is the capacity to protect the pump during a dry-run situation. In order to show this feature, there is a valve on the suction line. If the valve is shut off, the pump will continue to work, but the controller will recognize that there is no flow and no pressure, and it will shut the pump off after ten seconds. In the following sixty minutes, the controller will make five attempts to re-establish normal operation. If the dry-run situation persists, the controller will enter alarm mode and the system must be restarted manually.
Chapters:
0:00​ How does an automatic pump control system works?
0:13​ When not to use an Automatic Pump Control System?
0:28​ How to assemble an Automatic Pump Control System?
0:44​ What happens to the Pump Control System when there is no water demand?
1:13​ What happens to the water pressure when the water demand is increasing?
2:03​ What are the advantages of using an Automatic Pump Control System?
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Please remember before manipulating an electric water system to:
- Always read the manufacturer's product manual
- All electrical connections and checks must be done by a certified electrician and comply with applicable local standard
- Danger: electric shock risk. When Installing or adjusting an electrical system make sure that all plugs and cables are disconnected from the power outlet
- Installation of electrical water systems should be done by certified professionals.

Видео How does an automatic water pump control system works? канала PEARL Water Systems