Nordmann DC4 - Maintenance List

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5.2 Maintenance list
To maintain operational safety the Nordmann RC4/DC4 steam humidier must be maintained at
regular intervals. This is differentiated between the rst maintenance after approx. 500 operat-
ing hours (I), the replacement of the steam cylinder after the yellow LED lights (II) and annual
maintenance (III).
Below you will nd a summary of the work to be carried out for each of the three maintenance stages.
Components Interval Work to be done
I II III
Steam cylinder X Remove and replace.
Drain pump X Remove, disassemble and clean, replace if neces-
sary.
Steam cylinder receptacle X Inspect, clean if necessary.
Inlet valve X Remove and clean lter insert, replace if neces-
sary.
Drain pipe and siphon X Inspect, clean if necessary (decalcify and rinse
out).
Steam installation X X Inspect steam and condensate hoses for cracks
and to see that they are correctly attached, replace
faulty hoses.
Water installation X X Inspect water hoses in the unit for cracks and to
see that they are correctly attached, replace faulty
hoses
Check supply pipe is tight, make tight if necessary.
Clean water lter, if available.
Electrical installation X X Check all cables in the unit are rmly positioned and
examine status of insulation.