4 Commissioning [specialist]
16
997655810x-mub-en – V08
2020/10
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 [7.3|9.2|3.2].
14.
Turn the check valves in the ball valves
[1.2|5.2|7.1] into operating position
(0°, see page 12).
