Kemper PROTECT RPZ Bedienungsanleitung Seite 22

4
Commissioning
Commission the backflow preventer in this
sequence:
1. Slowly open cut-off valves 1 and 2.
1.
•
During this process, it is possible the
drain valve opens intermittently.
Vent the system through ball valves 3, 4
2.
and 5.
Ill. 3: Commissioning the BA Backflow
Preventer safeguards
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• Open each ball valve until water comes
out.
• It is important to open every ball valve to
make sure that all chambers are vented.
3.
The backflow preventer is ready for
operation.