Akva SUBSEA FEEDER Gebruikershandleiding - Pagina 14

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5 OPERATION

It is important to check that all mooring ropes between the AKVA Subsea Feeder and pen are

intact and that the unit floats properly when in use. Underwater camera surveillance is a great

advantage when using the AKVA Subsea Feeder, as it allows monitoring whether the pump is

running and the feed is coming out of all the branching pipes as expected.

In extraordinary weather conditions in winter, such as frost and drift ice, determine whether it is

necessary to remove the AKVA Subsea Feeder from the pen until conditions improve, to prevent

the feeder from coming loose, causing damage, and ultimately damaging the net in the worst-

case scenario.

The AKVA Subsea Feeder shall not be moored so tightly to the pen that it risks being exposed

to direct loads in the unfortunate event that a feeding boat or wellboat hits pen or moorings.

Have some slack in the attachment rope, to avoid extraordinary loads deforming the pen ring

significantly and ultimately causing a heavy load on the AKVA Subsea Feeder main pipe.

Feeding air velocity shall be low enough to avoid crushing pellets, and high enough for the

pellets to be transported through the Subsea Feeder. The pressure must be steady, and is

monitored and adjusted with air monitoring in the feeding software (such as AKVAconnect). The

pressure in the individual feed pipe shall always be kept steady.

Ideal air velocity depends on factors such as quality and length of the feed pipe, quality and size

of pellets, and temperature. Velocity shall therefore be adjusted to achieve stable pressure.

Feed rate will also vary with biomass and amount of feed to be distributed, and air velocity shall

therefore also be adjusted according to the feed amount.

Contact AKVA service personnel for assistance with adjusting air speed. Contact information

is found at the back of this manual.

DOCUMENT NO:

DOCUMENT PART:

DC10000901

10001800

REVISION NO: