6.5.2 Post-flushing after cleaning quartz tubes
Once the acid has been circulated sufficiently, it is flushed from the quartz tubes.
Depending on the preselected setting, the quartz tubes are flushed with water either
from the drain tank or from the fresh water tank. You can also select whether the
flush water should either be discharged from the system (as wastewater) or fed back
into the drain tank.
Figure 6-8: Post-flushing after cleaning quartz tubes
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