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R
oyal
E
xclusiv
p
umps
&
skimmers
Vorgebirgsstr. 28 // 50389 Wesseling // Germany
Fon +49(0)2236/88055-0 // Fax +49(0)2236/88055-20
[email protected] // www.royal-exclusiv.de
Since 1986
has a so called “ideal operation point“. The ideal point is
well defined and will be found as shown below:
Please turn to completely screw nozzle, as on the upper
left picture shown. Then please turn to the nozzle to the
left, counter clockwise.
Usually 1 - 1½ turn. This is the best operating point.
The black dots are used
only
for orientation.
The user may exceed or under-run this point as desired.
Under-running the point may be advisable to reduce the
skimmer performance in coral tanks with only a few fish. In
-
creasing the flow-through may be advisable on tanks with
many fish or in the case of disaster. A dying big Tridacna,
algae emitting spores or poisoning triggered by dying ani-
mals or similar reasons require a fast and wet foaming.
Notice:
Each spin increases water flow-through by
approx. 500 liters. Operation without nozzle screw is
prohibited. The air flow would be reduced by half and
water flow would be increased by 300%. In this state
the pump will be overloaded and within a short time
automatically switched off. The noise level also would
exceed dramatically.
1.2. Regulating the water level stripline in the skimmer
cup by the torque tube, internal and external skimmer
It is also possible to adjust the water level in the skimmer
by help of the wedge shaped tube. Basically we recom-
mend to set the water level with the telescope tube.
The wedge shaped tube should be only used for fine tun
-
ing or flooding of the skimmer head. In this case flooding
means the cleaning of the Bubble King
®
head without re-
moving the head.
The wedge shaped tube must be almost closed forcing the
water level immediately into the skimmer head. Now use
a brush to clean the riser tube to flush the residue into the
skimmer head without draining back into the filter tank.
The O-ring shown on the left upper figure should be lubri
-
cated by silicone oil from time to time to keep spinning of
the wedge shaped tube easy.
The O-ring also prevents salt and water drain from the T-
set, which would complicate spinning the tube.
The position of the wedge shaped tube is shown by two
black dots. If both dots are aligned, like shown on the right
figure, the wedge shaped tube is opened 100 %.
Spinning the tube to the left
or to the right like shown on
the figure will fine tune the
foam level.
wedge shaped tube
=
torque tube
The figure below shows
how the water outflow can
be regulated by turning the
torque tube.
4
