It's cold water that comes out of the pipes at first. In winter, you need about a basin or around ten liters. Your meter shows more than 90 degrees. The meter may be broken. It's not so much. If it is useless for several days in a row, regardless of the sunshine, it should not be said that the water temperature is always cold when it is discharged. Another possibility is that your water valve or mixer is. broken and hot water will not be used. No, all that comes out is cold water.
Why does solar energy produce cold water?
Introduction Why does solar energy produce cold water? At first, it's cold water, which comes from the pipe. In winter, it takes about a basin, around ten liters, to drain at over 90 degrees.