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6.5.1 External tank setup options
This section refers to fig.: 6.
There are two different setups for the external tank installation.
Setup 1 with external tank (ETS1)
In setup 1, the water flows from the internal tank (46) through the
overflow pipe to the external tank (ETS1) based on gravity or on
an external pump that is controlled by the operating company.
Once the
Production
task has filled the internal tank (46), the
water flows from the top of the internal tank (46) to the top of the
external tank (ETS1).
If a level sensing module is part of the system, the level in the
external tank (ETS1) is measured and the
stopped, when the external tank (ETS1) is full. Otherwise the
Production
task is stopped at the end of the production runtime or
for internal cleaning tasks.
The distribution module and the activated carbon filter module
cannot be used with setup 1.
The UV disinfection module can only be used:
•
if an external pump controlled and provided by the operating
company is installed to achieve the required inlet pressure for
the UV module.
•
if the external tank is installed at a level that provides sufficient
inlet pressure for the UV disinfection module.
Setup 2 with external tank (ETS2)
In setup 2, the backwash pump (GP2) is used to pump the water
from the internal tank (46) to the external tank (ETS2). The
process is controlled by the task
section:
6.6.6 Filling of the external
The distribution module and the level sensing module are
mandatory for setup 2.
16
Production
task is
Filling of the external
tank. See
tank.
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