4 Commissioning [specialist]
14
997655810x-mub-en – V08
2020/10
4.2
Preparations before flushing
The solar circuit is flushed in the direction of flow.
1.
Disconnect the expansion tank from the solar system. Observe the separate instructions
for the expansion tank!
2.
Close the return ball valves [1.2|7.1] (90°, see page 12).
3.
The ball valve in the flow line [5.2] and the ball valves in the flow meters [3.1
ￜ
9.1]
must be open.
4.
Connect the fill station to the solar station:
- Pressure hose to the fill valve [7.3]
- Flush hose to the drain valve [9.2]
