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Yeah, but he will have hot water, hence his entire system was not designed for solar or heating water. 2kw element takes over 4 hours to heat up to 55 degrees. He's not even coming close cause he's only giving it 2 hours or so.
Yup and he's wondering why he's not got hot water. 2kw elements should not be used in anything over 100l
Yeah, I have a 2kW but heating starts at first light and continues throughout the day.
Yet after an hour and a half he's not even at 45 degrees yet, so he needs to adjust his timer, or realise 2kw for a 200l geyser isn't going to work, he didn't design his system correctly to handle the geyser. 3 hours is an extremely long time, all you're doing with a 2kw element is move the heating over a longer period, just by changing to a 3kw
Is your geyser 200l? 150l at 2kw
150. You are right.
Yup and heating that 150l to 70 degrees takes as long as heating his 200l to 55 takes
From my old tests, my geyser controller only pushes some 700W into the geyser. I am limited by my element actually as 2kW has higher resistance than 3kW.
How’s your warm water tank experiment?
I have been told that and the reason I should stick with the 2kW
Maybe happy medium of 3kW?
how are you producing enough to heat the water?
Which is working out how for you? Unless you start warming up much earlier you're not going to have hot water.
He uses pv panels sending dc to ac element.
150l geyser vs 200l
4kW and I am wacking the inveter even harder and heating the water in half the time. Last night I started with heating the geyser and once battery is depleted to 30% it moves to Eskom
He definitely needs more solar, maybe he should take out that solar geyser panel and do what @denmendez65 did.
4kw is generally advisable for 200l geysers, 3kw is a happy medium and will drop it down by almost an hour to warm up the water.
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