Run the pressure release valve for 5 - 10 seconds then collect water in a cup and
Water temperature should be at 60°C. If the temperature is too high (or low) have an electrician or competent person reduce the temperature setting. 60°C when there is good solar exposure. Therefore care must be taken with solar set ups and temperature measured only when solar exposure is low (eg. cloudy days in winter).
SAFETY - the mains power enters the cylinder through same cavity as the thermostat control. The power supply must be TURNED OFF before the thermostat setting area is accessed. An electrician should adjust thermostat temperatures.