Aqua Medic Ocean Runner 3500 Manual de operação - Página 6

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Maintenance

The collection cup should be cleaned regularly (daily or weekly, depending on the

organic load). The reaction pipe of the skimmers needs to be cleaned only once or

twice a year. Also the venturi pump should be cleaned in those intervals. For doing

this, the pump has to be removed and the complete pump housing and the Needle

wheel flushed with clean water. The same should be done with the air injection

nozzle. The biological filter - the trickle unit inclusive Bactoballs - is maintenance-

free.

Failures

Failures may arise if the relation between sucked air and water is not in the right

range. The reasons could be:

- The water level in the filtration tank or the chamber, where the pump gets its water

from,

is too low or too high. It should be maintained between 10 and 15 cm.

- The air injection nozzle is clogged or the pump housing with the needle wheel is

polluted. In

this case remove, clean and insert them again.

Especially in case of calcareous aquarium water, the nozzles get often clogged. If it

cannot

removed mechanically, the whole nozzle should be put into vinagre or citrus acid

for a night.

- The connection between the suction side of the pump and the air injection nozzle is

loose.

Then the pump sucks the water aside the air injection nozzle. Check if the pump is

correctly fixed on the bottom plate and screw it, if necessary.

2.3 Nitratreductor

Product description

The

cm,

Nitratereductor consists of the reaction vessel (Height = 50