Cleaning, inspection, maintenance
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7.6
Changing mineral-based solution
Have a change of the mineral-based solution carried out only by authorised experts.
If a change of the mineral substance is necessary due to a change in water quality or after
rehabilitation, the dosing system must be flushed with drinking water that complies with the
German Drinking Water Ordinance (TrinkwV).
NOTE:
Change the mineral-based solution only after first flushing the dosing system.
● Mixing different mineral-based solutions can lead to the failure of the dosing system.
● Function failure/damage to the dosing system possible.
► Flush the dosing system according to the flushing instructions.
7.6.1
Flushing instructions
1.
Connect a container with drinking water that complies with the drinking water
regulations.
2.
Flush until the water consumption of approx. 1 day has flowed through.
»
This corresponds to a consumption of flush solution of approx. 0.05
– 0.1 l
(500
– 1000 l water consumption).
3.
If necessary, flush the pump with suction lance by hand.
»
The dosing system is flushed.
► Insert a new container with a new mineral-based solution.
7.6.2
Replacing components
Replacing the pump, dosing line and dosing valve guarantees that no residues of the old
mineral-based solution remain in the dosing system.
Replacement of the components is necessary in the following exceptional cases:
● Crystallisation/chemical reactions
● Pump unit defective/sucking air
► In exceptional cases, replace the dosing line with dosing valve and the pump unit.
