AquaCare ADN1000-a, Инструкция по эксплуатации

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4. Bacteria inhibiting substances are in the
water:
If you use medicine or other substances that
affects bacteria negatively the ADN should
be taken out of operation before the treat-
ment starts. After treatment and filtering out
the substances with e.g. activated carbon you
can start the ADN-filter again.
10.4. The outlet water stinks of
hydrogen sulfide
If the outlet water stinks of hydrogen sulfide the
mode of operation must be changed.
Hydrogen sulfide is toxic. Ventilate the
room and leave it at once.
Hydrogen sulfide is formed if any nitrate is in the
circulation water of the ADN. Increase the water
inlet to the ADN to make sure that the outlet wa-
ter contains a little bit of nitrate.
If very less nitrate is in the aquarium water (be-
low 5 mg/l) you must shut down the ADN system
(see chapter “shut down the unit”).
To reduce the efficiency of the ADN filter it is
possible to take out a big part of the filter bed.
11. Warranty
You have 24 months warranty on all AquaCare
units excepts spare parts like pump bearings and
rotors. You have no warranty if parts are broken
by violent (for example totally closed water
inlet). For consequential losses AquaCare is not
liable.