PAW SolarBloC midi Basic 2S Installation And Operation Instruction Manual page 19

4 Commissioning [specialist]
Risk to life and limb due to electric shock!
►
09/2023
WARNING
Check whether the sensors and pumps have been connected to the
controller and the controller housing is closed. Only then, the mains plug of
the controller can be plugged into a socket.
99775810x-mub-en - V01
9. Close the drain valve [9.2] while the filling pump
is running and increase the system pressure to
about 5 bars. The system pressure is displayed
on the pressure gauge.
10. Check the pressure gauge to see whether the
system pressure reduces and eliminate leaks
where necessary.
11. Reduce the pressure at the drain valve [9.2] to
the operating pressure of the installation.
12. Connect the expansion tank to the solar circuit
and set the operating pressure of the solar
installation by means of the flush and fill station
(for the required operating pressure, see
instructions of the expansion tank).
13. Close the fill and drain valves [3.2|7.3|9.2] by
turning the valve [7.3] into position "closed".
14. Turn the check valves in the ball valves [1.2|5.2|
7.1] into operating position (0°, see chapter 4.1).
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