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INSTALLATION
Maintenance
Draining the DHW cylinder
WARNING Burns
Hot water may escape when draining the DHW cylinder.
Close the shut-off valve in the cold water line.
Open the hot water taps on all draw-off points.
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1 Drain
Empty the DHW cylinder via the drain.
Please note that some residual water will remain in the bottom
of the cylinder.
Cleaning and descaling
Remove the flange plate.
Clean the DHW cylinder through the inspection port.
Never use descaling pumps. Never use descaling agents to
clean the enamel coating and protective anodes.
Replacing the protective anodes
Two protective anodes are installed in the DHW cylinder to protect
it against corrosion. One of the protective anodes has a consump-
tion indicator. Check the protective anodes at regular intervals.
We recommend checking the protective anodes at the latest two
years after commissioning.
Remove the lower front panel of the appliance.
!
Material losses
Replace the protective anodes when the colour of the
protective anode with the consumption indicator changes
from white to red.
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2
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1 white = protective anode OK
2 red = replace protective anodes
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2
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1 Protective anode without consumption indicator
2 Protective anode with consumption indicator
!
Material losses
Install the protective anodes as shown in the diagram.
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