6 |
P a g e
Display
Solatherm Control Units are independent from the grid and require no mains
power connection to operate, hence, the unit will only operate and display
user information when there is sufficient energy from the sun. It is normal for
the LCD display and lights to flicker or not fully display in low light conditions.
1
LCD Display
Scrolling display showing the array voltage and when the heating element is
activated, the current and power. The second line shows the kW/h consumed for
the day and the total kW/h consumption.
2
Power
LED illuminated red when the main array is connected and supplying power to the
unit. In low light conditions this light may be the only LED lit or flashing.
3
Heating
LED illuminated green when the controller has energized the heating element.
4
40
0
-70
0
C
LED's illuminated orange - an approximate indication of the average temperature
of the water stored in the storage vessel.
1
2
3
4
Figure 1.
