I have two MPP PIP 3048LV-MK 48V 3kW units in parallel. I bought them at different times as the first one has no filters on the vents, but the second one does.
Just lately I've noticed that all my ceiling fans are now starting to drone, they were always silent in the past, and listening to the second MPP unit I bought, there is a distinct 60 cycle hum.
Unfortunately that unit arrived with the fan not working because it was blocked by the thin shield that had been damaged by loose components.
Anyone else had this problem and is it circling the drain. Not something I want as the real heat of the summer is upon us here in New Mexico.
Should I go with mpp solar?
Bought 6 100 watt rich solar panels and 2 SOK 206ah batteries. Not sure if I should go with mpp solar LV2424 msd or just build something. This set up is for if grid is down. Want to run fridge and deep freezer and charge DeWalt batteries. Also want to be able to expand on it. Any suggestions?
diysolarforum.com