Solar installation for vertical water pump HELP!!!



  • con2829con2829 Registered Users Posts: 20 ✭✭
    i called that company, they dont support the existing pump that is now installed and cemented
  • BB.BB. Super Moderators, Administrators Posts: 28,302 admin
    Regarding running two motors from one controller... I think the answer is no.

    The VFD controller controls the speed of the pump based on available solar power and other inputs (on/off from tanks, back EMF from motor, run dry, etc.). Powering two separate motors would probably (at least) confuse the controller, and at worst run a pump dry or other issues.

    If the other system works--I probably would just leave it alone.

    Near San Francisco California: 3.5kWatt Grid Tied Solar power system+small backup genset
  • con2829con2829 Registered Users Posts: 20 ✭✭
    BB. yah i thought about that too but i need confirmation from subject matter expert like you guys here. so im back to square one since i found out that my booster pump that i need to run is the wrong one, well for the system we need. 
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