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How to Set the Pump Rotation Time of AU620 Intelligent Water Pump Inverter

How to Set the Pump Rotation Time of AU620 Intelligent Water Pump Inverter

Setting the pump rotation time (also known as pump group alternation time) of AU620 intelligent water pump inverter is mainly achieved by modifying the function code U3-02 in the advanced parameter group.

Below are the specific setting parameters and operation steps:

1. Key Parameter Information

Function Code: U3-02

Parameter Name: Alternation Time (Pump Rotation Time)

Setting Range: 0 ~ 60,000 minutes

Factory Default Value: 480 minutes (i.e., 8 hours)

Function Description: The system sets the time interval for alternating operation of water pumps through this parameter to balance the running time of each pump and extend the service life of the entire pump group. If this parameter is set to 0, it usually means the pump rotation function is disabled.

2. Operation Steps (Via Keypad Panel)

According to the operation logic of AU620, you can modify the time by following these steps:

  1. Enter Parameter Mode: In the original display state, press and hold the MENU key for 3 seconds until the display enters the U group parameter interface.
  2. Switch to U3 Subgroup: After entering the U group, press the "+" key to switch until the display shows U3-- (Advanced Parameter Group).
  3. Locate Function Code U3-02:
    • Press the ENTER key to enter the group, and the display will show the specific function code (e.g., U3-00).
    • Use the "+" or "-" key to page through until you find U3-02.
  4. Modify the Value:
    • Press the ENTER key again to enter the parameter value modification interface.
    • Use the "+" or "-" key (or cooperate with the SHIFT key to move the blinking digit) to adjust the desired number of minutes.
  5. Save and Exit:
    • After modification, press the ENTER key to save the setting.
    • Press the MENU key three times in a row to return to the main display interface.
Note: In the multi-pump control system, the logic of pump rotation time is uniformly scheduled by the Master drive. The system will start different pumps alternately in sequence according to the setting of U3-02.

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