Question about Stiebel Eltron TEMPRA 24 Tankless Water Heater
2 power lines into unit, ( from left to right looking at it from the front ) frist line, ground, then black, then white ? then the next line ground ( to same as frist ) ground,black,white ?
1) Copy following link for wiring tankless electric water heater:
2) Look at label on side of unit for total KW
3) Product manual shows 24 Kw or 24,000 watts
24,000 watts divided by 240 volts = 100 amps
So your service panel must be about 250Amp rating to support this tankless electric water heater.
4) Look inside the unit to see how many L1L2 terminals show.
You should have two sets L1L2 terminals
5) You need TWO 60 amp double pole breakers to supply power to this unit.
This means you need TWO #6 wires from one breaker going to L1L2.
And you need TWO MORE #6 wires from 2nd breaker to other set of L1L2 terminals.
6) Add comment for more help Jan 2013
Posted on Jan 07, 2013
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Posted on Jan 02, 2017
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