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Hi, We are two weeks into the new house . Generally pretty happy but one or two issues arising. One is our Sunamp, a Uniq edual 9kw. This was bought to provide underfloor heating and hot water. We had hoped to use PV excess and top up with economy 7. Yesterday was very dull, though not overly cold, and we used the underfloor to raise the temp. from 16 to 19 degrees. We have the manifold mixing valve set at about 35 degrees. Basically, it struggled and eventually used all its capacity (indicated by no hot water). As an aside I really hate not being able to see what the level of capacity is. Anyway, it then spent the rest of the day clicking every couple of minutes as though it was switching on to charge. Eventually I put it on to boost for an hour but this didn't help. Overnight it seemed to charge because when I put it onto boost it (eddi) showed max temp reached which I interpret as battery at full capacity. The clicking noise is still continuing AND no hot water. Any thoughts before I try to ring Sunamp tomorrow? Many thanks, Simon
