September 21, 20232 yr Did this ever work? Your wiring looks incorrect to me, but being unfamiliar with this product I may be wrong.
September 21, 20232 yr Interesting gadget. On the Web they show 2 wires to the thermostat on the controller legend. On the schematic they show the same 2 wires connected to the element. Edited September 21, 20232 yr by Scorp007 Add schematic
September 21, 20232 yr Could it be that your panels aren't producing enough power for the element? Your specs of 97.5V x 4.8A = 468W and that would be more than they can produce as they will operate below Voc. That gives you less than 936W with 2 panels and the spec says the element is 1-4kW. In less than ideal conditions the panels will produce even less power.
September 21, 20232 yr Label shows 380W panels, I would thank that's barely enough to get things going
September 21, 20232 yr Label shows 380W panels, I would thank that's barely enough to get things going But one must not mirror ones own power requirements. I will be able to heat my geyser on a good sunshine dag with 300x2x5hrs=3kWh. 380W panels should easily provide 300W per panel. Funny I was just asked by my boss with 2 grown up children in the house how do I get along using only 10kWh a day. Mostly from PV. That changes up to 17kWh a day if grand kids come to visit or a lot of baking/cooking takes place.
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