PAW SolexMega-Kaskade HZ, Инструкции по установке и вводу в эксплуатацию

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6 Commissioning [specialist]
26 996098460-mub-en – V02 2016/05
Functioning check valve
The primary circuit is equipped with the
check valves [C1|C2] and [J1|J2], in order
to avoid undesirable gravity circulation.
For venting and flushing the installation,
the check valves must be open.
Turn the opening mechanism of the
check valves into the position 180°.
The check valve is not operating.
For the operation of the installation, all (ball)
valves must be completely open and the
check valves must be put into operating
position (position 0°).
Check valve (normal flow direction in the figure: downwards)
Position 0°
Check valve is operating,
flow only in direction of flow. Position 180°
Check valve is not operating,
flow in both directions.