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b) Cleaning the sera fine mesh filter sponges (2.6)
The sera fine mesh filter sponges must be washed out thoroughly and reg-
ularly during the period of strong algae growth. Take the split sieve out to
do so, as described in a). The big sera fine mesh filter sponge is located
underneath the split sieve. First pull out the sera overflow pipe upwards
before you take the sera fine mesh filter sponge out. Now hold the sera
fine mesh filter sponge, preferably with both hands, and lift it out of the
sera KOI Professional 24000 Pond Filter. The small sera fine mesh filter
sponge is located underneath the big sera fine mesh filter sponge. Remove
this sponge as well. Avoid carrying or lifting the sera fine mesh filter spong-
es by the overflow opening.
Put the big sera fine mesh filter sponge in a sufficiently large tub and wash
it out thoroughly. Do not use any detergents, but only lukewarm water.
Clean the small sera fine mesh filter sponge in the same way. Depending
on the strength of floating algae growth, this may be necessary daily in or-
der to maintain full purification performance of the pond filter system.
When there is little floating algae growth, the pond filter should be operat-
ed without the sera fine mesh filter sponges. The specially developed over-
flow system provides effective protection against overflow of the pond fil-
ter in case you forgot to clean the sera fine mesh filter sponges. Put the
sera fine mesh filter sponges back into the sera KOI Professional 24000
Pond Filter as described in the assembly instructions after you have
cleaned them.
c) Cleaning the Matala mat (2.4.1) and the bio chamber (2.4.2)
• Disconnect all electrical components from the mains/power supply
(UV-C system, pump, etc.) in and around the pond. Lift the upper part of
the filter casing (1.4) off the bottom part. Place the upper part onto a
plain surface and avoid knocking over the upper part. Remove the Ma-
ta la mat. Rinse the Matala mat with a hose against the flow direction in
the filter.
• A bio chamber with sera siporax pond is located underneath the Ma ta-
la mat. Remove the nets and rinse it in a bucket with lukewarm water.
Do not use any detergents as to prevent the bacterial flora from being
destroyed. Only surface sludge must be removed from sera siporax
pond. The clear water chamber must remain free (2.4.3).
• Wipe out the empty bio chamber with a soft sponge and rinse it with wa-
ter. Put sera siporax pond and the Matala mat back in place. Put the
upper part of the sera KOI Professional 24000 Pond Filter back onto
the bio chamber after cleansing. Switch on the pump and put the UV-C
system back into operation after 30 minutes.
• The outlet of the sera KOI Professional 24000 Pond Filter must not be
clogged. The outlet (2.4.4) must remain free flowing and must not be
throttled.
The maximal flow rate through the sera KOI Professional 24000 Pond
Filter should not be higher than once the total pond volume per hour. A
flow rate of approx. a quarter of the pond volume per hour is recommend-
ed for optimal biological purification.
The maximum fish stock should not exceed 50 cm (approx. 20 in.) of fish
per cubic meter.
The sera KOI Professional 24000 Pond Filter can be operated with the
pond pumps listed in the following for different pond sizes:
sera pond pump PP
with height diffe rences
order
up to 1 m (3.3 ft.)
code
2 x PP 12000
30078
sera KOI Professional
24000 Pond Filter
for ponds up to
for Koi ponds up to
max.
max.
40,000 l
24,000 l
(10,600 US gal.)
(6,340 US gal.)
GmbH • Borsigstr. 49 • 52525 Heinsberg/Germany • Made in Europe
SAFETY PRECAUTIONS
Warning: Dangerous ultraviolet radiation!
Never look directly into the special UV-C lighting (lamp) when it is operat-
ing (eye damage!).
Lamp function control through the two viewing glass panes at the top of
the UV-C casing or through the hose nozzle: Goggles (UV-C protecting
glass) provides suitable additional protection.
• The special sera UV-C lamp may be operated only inside the complete-
ly assembled sera pond UV-C System (please refer to directions for use
for information about readiness to use). Every other use may lead to very
severe skin and eye damage!
• Always keep UV units and UV-C lamps out of the reach of children!
• All electrical units in and around the pond must be disconnected from
the power/mains supply before conducting work at/in the pond and on
the sera KOI Professional 24000 Pond Filter.
• Operate unit only with an inserted fault current protection switch (RCD
or FI with a trip current of 30 mA).
• Do not operate if unit is submerged!
• Usage in or at swimming pools, walk-in ponds or swimming ponds is not
permitted!
• Never operate the UV-C system without water flow! First connect the
sera KOI Professional 24000 Pond Filter to a pump as described in the
instructions for use.
• For stabilizing its standing it may only be operated when the bottom
chamber is sufficiently filled, e.g. with sera siporax pond.
• Ensure that there is sufficient water flow through the sera pond UV-C
System before switching on the UV-C lamp. A minimum flow rate of at
least 2,000 l/h (530 US gal./h) up to 12,000 l/h (3,170 US gal./h) at the
maximum must be ensured also during operation.
• At the first sign of frost, disconnect and drain the sera pond UV-C Sys-
tem, and store in a frost-free location (without water or water remain-
ders). We recommend thorough cleaning before winter storage.
• Frequent "ON/OFF" switching reduces the life expectancy of the UV-C
lamp.
• Ensure that the electrical plug of the switched-on unit is freely accessi-
ble at all times.
• The test run according to the section "Assembly and operation" must be
carried out before putting the UV-C system into operation!
Winter operation: In case of occurring frost, the UV-C unit must be dis-
mounted and stored in a frost free location inside the house. The waste wa-
ter removal valve on the waste water chamber should be taken off. Please
refer to the instructions for use for information about winter operation of the
sera pond pump PP 12000.
• Using this device differently than according to this information for use is
not permitted and takes place at your own risk.
• Damages to the device or other objects that were caused by misuse are
not covered by warranty.
Technical Data
sera KOI Professional 24000 Pond Filter
Height approx.
100 cm (3.3 ft.)
Width approx.
65 cm (2.1 ft.)
Length approx.
108 cm (3.5 ft.)
pond pump PP 12000
Voltage
Power uptake
Delivery amount
Delivery height Hmax. 5.1 m (16.7 ft.)
UVC-55X
Voltage
Power uptake
230 V ~ 50 Hz
165 W
12,000 l/h
(3,170 US gal./h)
230 V ~ 50 Hz
55 W
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