Askoll PURE XL HC LED Інструкція з експлуатації - Сторінка 10
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F. Turning the DEMO function on and off
1) Unlock the timer by pressing the
in sequence.
2) Hold down buttons
and
its display "DEMO" (you must wait for the countdown 5..4..3..2..1
"DEMO" to terminate). The DEMO function is now active.
3) To turn DEMO mode off, press
time again.
G. Restoring the factory defaults (timer reset)
1) Unlock the timer by pressing the
in sequence.
2) Press and hold down buttons
the clock digits display "RSET" (you must wait for 2 countdowns
to complete: 5..4..3..2..1 "DEMO" 5..4..3..2..1 "RSET").
3) The timer will now restore the factory default settings.
5.1.2. Filtration
CAUTION
Always close the filter cover after the necessary oper-
ations have been performed, to prevent algae growing
on the filters due to their exposure to direct light.
The water of each aquarium has to undergo continuous mechanical,
biological and chemical filtration in order to provide the best habitat
for the living beings present in the tank.
Mechanical filtration, which uses double layer sponges, removes
suspended particulates to keep the water clear. You can always
check the degree to which the sponges are soiled by simply opening
the filter cover.
Biological filtration, done by the nitrifying bacteria which grow in
the pores of the ceramic cylinders, minimises the level of toxic chem-
icals in the water, which are harmful for the aquatic fauna, transform-
ing the ammonia produced by the fish into nitrates. It takes around
4 weeks for a sufficient amount of bacteria for effective purification
to develop in the filtration media. For this reason, fishes have to be
added very gradually to allow the nitrifying bacteria to have enough
time to settle, multiply and be effective.
Chemical filtration is carried out by the CARBON and ZEO car-
tridges:
•
CARBON: Activated carbon for purifying the previously filtered
water from bad odours, colourants, pharmacological residues
and other undesired compounds.
•
ZEO: zeolite, a natural origin material, is used to remove the
ammonia produced by the fish, supporting the action of the bio-
logical filter and limiting the build-up of nitrates.
The regular replacement of the CARBON and ZEO cartridges (par.
6.2) allows keeping the main unwanted compounds under control,
thus maintaining the water clear and crystalline.
,
and
keys quickly
simultaneously until the clock dig-
. The timer will display clock
,
and
keys quickly
and
simultaneously until
EN
5.1.3. Heating
WARNING
To avoid the risk of burns:
After disconnecting the plug, let the hot parts of the
thermal heater (about 30 minutes) and of the lighting
unit (about 5 minutes) cool down, before handling
them. On the thermal heater, the warning light indi-
cates only that the heating phase is active. When the
warning light is off, it does not mean that the thermal
heater is cool.
CAUTION
The thermal heater is factory calibrated. Variables like
low ambient temperature, large temperature fluctua-
tions, lack of covers, positioning of the product close
to cooling sources, may require a higher power to pro-
vide for a better temperature control.
Prevent the bottom (sand or other material) or any oth-
er objects in the aquarium from getting in contact with
the thermal heater. It is necessary to assure a free
water circulation around the glass tube.
Install the product close to the pump (fig.9) to ensure
that the heated water is distributed evenly and com-
pletely throughout the aquarium.
The thermal heater allows adjusting aquarium water temperature
(from 18°C to 31°C) using the adjustment knob referred to the grad-
uated scale (fig. 8). Once it has been started up for the first time and
the water has reached the setpoint, the thermal heater will keep the
temperature constant by turning off and on as needed. Wait for the
water to reach the temperature set on the thermal heater before put-
ting fish or other animals into the aquarium. Check the temperature
with an aquarium thermometer (not provided).
REMARK
The thermal heater only guarantees water temperature control
when the set temperature is higher than the ambient temperature.
The maximum temperature rise (Δt) of water in relation to the am-
bient temperature is around 10 °C.
5.2. In case of power failure
Power failures have the following effects:
•
Gradual reduction, after a few hours, of the effectiveness of the
biological filter, thus potentially damaging the aquarium eco-sys-
tem.
•
The timer may need reprogramming if the power failure lasts
more than 12 hours or so.
•
The water temperature may fall in proportion to the duration of
the power failure.
For malfunctions, refer to Chap. 7.
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