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6.2.3 Water apparatus
Fig. 21: Basic version
Fig. 22: Medium and Comfort version
The water pipework supplies the system with the preparation water
for polymer preparation. (Connector A).
The ball valve on the inlet side can be used to manually close the
feed water line for maintenance work.
The pressure reducer with filter insert ensures that the operating
pressure is limited and maintained at the correct level.
A solenoid valve automatically opens and closes the water supply.
The flow meter used continuously reports the current flow volume
of preparation water to the control.
The preparation water volume must be set upstream of the flow
meter (see highlighted component)
Basicversion: A manually operated diaphragm valve is used to
adjust the water throughput during commissioning.
Mediumand Comfortversion: A motorised control valve is used to
automatically adjust the required water volume according to the
system output entered on the touch panel.
Downstream of the water apparatus, the preparation water passes
into the mixing chamber on the back of the PP panel, where it is
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mixed with the liquid concentrate/emulsion.
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Construction and function
39
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