The air supply should not be reduced at all if possible. If
the otate is too watery, the skimmer should be placed in
a higher position by re-adjusting the holder bracket. Also,
the outlet valve should be opened further in this case.
Cleaning
Pull mains plug before cleaning.
The otate cup (5.2) with the integrated sieve must be
cleaned regularly. Adhering fat remainders from the o-
tate would make newly formed foam burst quickly.
Therefore, the otate cup must be taken out of the main
pipe and cleaned under running tap water without us-
ing detergents at least twice per week. Then the otate
cup is pushed back into the main tube up to the snap-
in points.
Deposits may form on the bottom of the skimmer over
time, which reduce outow at the bottom and thus af-
fect the skimmer performance. Therefore, the entire skim-
mer should be cleaned regularly.
The skimmer can be dismantled completely. You can re-
move the bottom part with slits (5.7) from the pump and
clean it without using detergents. When looking into
the pump part from underneath you will see the intake
opening of the pump (4.1 and 5.10) directly beside the
pump body. It must always be clean and never clogged.
Pulling the main pipe of the skimmer (5.4) off the pump
part will make the internal pipe (5.3) accessible. This part
can also be pulled off in an upwards direction, allow-
ing to take the rotor (5.6) of the pump out and clean it.
Pull the gray stopper (5.14) off and push it back onto the
rotor after cleaning to do so. Lime may deposit in the in-
take connector (5.8) where air is drawn in, and obstruct
the air supply. You can remove lime deposits with sera
pH/KH-minus (wear safety glasses and gloves). This
must be done outside the aquarium.
SAFETY PRECAUTIONS
• Always unplug all electrical accessories before
any kind of work is carried out in the aquarium!
• The power cord of the pump must not be repaired
or replaced! If the power cord is damaged, the enti-
re unit must be replaced or disposed.
• The maximum temperature of the water must not ex-
ceed 35°C (95°F).
• Make sure that the voltage of the mains supply com-
plies with the data on the type plate.
• Bend the mains cord into a drip loop as to prevent
water running along the cable into the socket.
• Operate all units only with an inserted fault current
protection switch (RCD or FI with a trip current of
30 mA).
• The pump performance will considerably increase in
case the air supply is suddenly switched off, the skim-
mer can overow, and large amounts of water may
be pumped from the tank!
The sera marin Protein Skimmer PS 130 is an open
ow unit. The unit cannot work, and the oxygen supply
of the aquarium will be strongly inhibited, if the outlet
into the aquarium is clogged or otherwise obstructed.
Troubleshooting
:
Problem Possible cause Possible solution
Insufcient air intake rate Intake valve (5.12) insufciently opened Open intake valve (5.12) further
Air hose (5.11) is encrusted with lime or dirty Clean
Intake nozzle (5.8) on the pump is dirty Clean
Pump performance is too low Clean rotor and shaft
Foam too moist/too much foam Water level within the unit is too high Place skimmer in a higher position
Foam too dry/very viscous foam Water level within the unit is too low Immerse skimmer deeper
Insufcient pump performance Clean rotor, shaft and intake nozzle
Insufcient foam formation Insufcient amount of air Open intake valve (5.12) further
Foam formation too strong, very
brownish otate, very sticky foam
Water strongly polluted Partial water change, feed less
see: Insufcient foam formation Increase otate moisture
Foam formation breaks down Feeding fatty food (sh, mussels) Foam formation will begin again after a
few hours
Air intake congested Clean air intake or open further
9
marin Protein Skimmer PS 130.indd 9 19.09.2014 13:41:02
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