Diverting excess solar power to water heater
I'm about to install 1300 watts of solar. During part of the day I should have excess solar power left over. I plan on using the MidNite Solar Classic 150 MPPT controller which allows the excess pow...
Forum Discussion
IMHO...
The electric resistance heating element does not care what it is powered with, AC or DC, though some people think it does. Watts is watts. It just can not be powered nor controlled by both at the same time. So you might want to look for an auto-transfer switch to go from one source to another on a single element or configure for 2 heating elements.
You do need to know if your diversion is amp/watt restricted, some controllers are.
Here are some videos to get you thinking:
https://www.youtube.com/watch?v=yxaNC4mOHV8
https://www.youtube.com/watch?v=iGCMwsDYmAw
The electric resistance heating element does not care what it is powered with, AC or DC, though some people think it does. Watts is watts. It just can not be powered nor controlled by both at the same time. So you might want to look for an auto-transfer switch to go from one source to another on a single element or configure for 2 heating elements.
You do need to know if your diversion is amp/watt restricted, some controllers are.
Here are some videos to get you thinking:
https://www.youtube.com/watch?v=yxaNC4mOHV8
https://www.youtube.com/watch?v=iGCMwsDYmAw
