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7.3.1 Water drain of the humidifica-
tion chamber
The water drain must be located at the lowest
point of the collection tray and must feature a
siphon. The water downstream of the siphon
must drain off freely.
7.4 Water connection final check
Water supply
Was the water filter insert supplied
as part of the delivery installed in the
water filter housing of the pumpsta-
tion?
Is the feed water quality within the
prescribed range?
Water drain
Is the drain hose siphoned and
installed with a constant decline
towards the drain?
Can the flushing water drain off free-
ly?
Humidification chamber
Is the humidification chamber provi-
ded with a drain at the lowest point
of the collection tray?
Collection tray
Water drain