I need to hook up an instant hot water heater needing 3 50-amp circuits. (I'm in the basement, far away from my main circuit panel.)I need to hook up an instant hot water heater needing 3 50-amp circuits. (I'm in the basement, far away from my main circuit panel.) Optional Information: Make: Steilbel-Eltron Model: Tempra 29 Plus Welcome. Yes, wanted to be sure you had a large enough service. Like go into a sub-panel and come out with the 3 needed circuits? Like go into a sub-panel and come out with the 3 needed circuits? One of the biggest in the industry for a residential situation. The unit must have 3 separate 240 volt 50 amps circuits connected as you already are aware.Where are the 2- 60 amp circuits you have available?
Is there any way to get another line from the main panel to the unit?It is a 28.8 kw unit, so you need 150 amps feeding the unit in order for it to operate at that size.It is possible to connect only 2 of the circuits, but then that lowers the rating down and GPM heating will be lowered also. That's why I was wondering if I could run those 2 available lines into a sub-panel and bring out what I need.It is 2 6 gauge lines run off of 2 60 amp breakers - which could be changed out?
I thought about just using 2 of the 3 circuits (elements) in the unit, but wasn't sure if that would work either.I could just trade for the next smaller unit, which requires the 2 60 amp circuits. The 2-60 amp circuits are just that, 2 separate circuits.Unfortunately it is not allowed to use those 2 feeder cables and run parallel to get a higher amperage, like for a sub panel.