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6.2
Maintenance list
Components
Steam cylinder
Drain pump
Steam cylinder receptacle
Inlet valve
Drain cup
Drain pipe and siphon
Steam installation
Water installation
Electrical installation
To maintain operational safety the Nordmann AT4 steam humidifier must be
maintained at regular intervals. This is differentiated between the first main-
tenance after approx. 500 operating hours (I), steam cylinder replace-
ment after the yellow LED lights (II) and annual maintenance (III).
Below you will find a summary of the work to be carried out for each of the
three maintenance stages.
Interval
I
II
III
X
X
X
X
X
X
X
X
X
X
X
X
Work to be done
Remove and replace.
Remove, disassemble and clean, replace if neces
sary.
Inspect, clean if necessary.
Remove and clean filter insert, replace if necessary.
Remove and clean if necessary
Inspect, clean if necessary (decalcify and rinse out).
inspect steam and condensate hoses for cracks and
to see that they are correctly attached, replace faulty
hoses.
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 filter, if available.
Check all cables in the unit are firmly positioned and
examine status of insulation.
47
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