6 Commissioning [specialist]
2016/05
996098460-mub-en – V02
25
The storage tank circuit or secondary circuit can only be flushed in the direction of flow.
1.
Open the ball valves [a1|a2] and [j1|j2].
2.
Fill the storage tank circuit via the corresponding valves and fittings with heating water.
3.
Vent the secondary circuit by actuating the pressure relief valve. Make sure that the
electrical components do not get wet.
4.
After filling the secondary circuit, set the required operating pressure.
5.
If necessary, vent the station at the pressure relief valve [c1|c2] during commissioning
to eliminate the air still present in the heat exchanger.