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Q: What is the process to change the AC output direction?

To change this setting, follow these steps as outlined in the system operational settings:

  1. Stop the Pump: Press the On/Off button on the inverter keypad or base to ensure the motor is not running.
  2. Navigate to the Model Page: Press the UP or ESC button until the screen displays the inverter's model number.
  3. Enter the Password: Press Enter. When prompted for a password, input 9580 by using the UP/DOWN buttons to adjust each digit and Enter to move to the next.
  4. Change the Setting: Once inside the menu, you can select between Forward (FWD) and Reverse (REV).
  5. Restart the Inverter: After making the adjustment, you must perform a power cycle (turn the solar isolator off for 10 seconds and then back on) to apply the new operational settings.

Note: This setting is typically used to test if a three-phase pump is wired correctly. If the water flow improves in "Reverse," Commodore recommends physically swapping any two of the U, V, or W wires at the terminals and then switching the software setting back to "Forward" to avoid future confusion.