DENNERLE
OSMOSE COMPACT 130
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Bedienungsanleitung
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Notice d’emploi
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GB Operating instructions
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Instruzioni per l’uso
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Osmose Compact 130
GB
2 The Osmosis system
in summary
Turns hard tap water into soft,
highly pure aquarium water
- Please read the instructions carefully before using the device for the first time.
Keep the instructions in a safe place. -
Congratulations on purchasing this high-quality osmosis system from DENNERLE. You have opted for a highly-efficient,
state-of-the-art piece of aquarium equipment. If used properly you will be able to produce highly pure and clean water that
is ideal for use in maintaining aquariums.
It will enable you to set the water values to match those to which the tropical fish and plants are accustomed from their
natural habitat. Osmosis water allows you to successfully keep the most demanding of fish such as discus or salt water fish.
DENNERLE wishes you lasting enjoyment from your aquarium!
Tap adapter 3/4" with supply hose
Active carbon filter
Fine filter 5µ
Membrane container
White hose: osmosis water (permeated)
Blue hose: residual water (concentrate)
Flow restrictor
2 brackets for wall mounting
Key for the membrane container lid
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Protect all components, especially the membrane, from sunlight, heat and frost!
Maximum permissible operating temperature: 25 °C, for short intervals up to 30 °C.
Required operating pressure: at least 3 bar. Maximum permissible operating pressure: 6 bar.
The system is designed to be used with tap water of a quality that corresponds to European standards for drinking water. The system
must not be operated with well water or spring water – the high iron content in such water will result in the membrane becoming
blocked within only a short space of time.
Switch off the system while work is being carried out on the mains water supply and for several hours afterwards, as otherwise it
might suddenly become blocked by rust or other deposits that are released while work is in process.
If the tap water is chlorinated, the system should only be used together with a fitted active carbon filter, since chlorine may destroy
the membrane.
Do not bend the hoses. Osmosis water and residual water must always be able to drain off freely – do not close the hoses using a
faucet or solenoid valve.
Once the membrane has been put into operation, do not allow it to dry out.
1 This is how the DENNERLE Osmosis system works
The system works according to the principle of reverse osmosis: tap water is forced through a special membrane with
ultra-fine pores by the pressure of the water mains supply. These pores are so small that only small water molecules
can pass through. The larger molecules of harmful substances, hardness elements and salts, on the other hand, are filtered out. Even bacteria and viruses are removed. The result is extremely soft and highly pure water.
The standard fine filter with a pore diameter of 5 µm removes even the smallest of floating particles from the tap
water, thus preventing the osmosis membrane from becoming blocked. The active carbon filter protects the membrane safely against aggressive chlorine.
The precision flow restrictor automatically guarantees an optimum ratio of osmosis water to residual water of 1 : 4,
thus ensuring a long membrane operating life.
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3 Mode of use
Important tips
Remove the two holding clips from the membrane container and affix them vertically one above the other at a
suitable distance from one another on a wall or board.
Please note: Ensure that there is a suitable facility to allow the water to drain away beneath the osmosis system to
enable water to drain away without causing damage in the event of possible leakages.
Carefully press the osmosis system into the holding clips.
Connect the tap adapter of the osmosis system to a 3/4" tap (cold water tap!). Ensure that the seal fits properly.
Place the residual water hose and initially also the osmosis water hose in the drain.
Carefully open the tap, to begin with only slightly.
Now check all hose connections and screws carefully to ensure that they are watertight. (In case of
leakages see point 11)
Open tap fully. Allow the system to run for 2-3 hours in order the rinse away the preservative in the membrane. During
this period, do NOT use the osmosis water, but allow it to drain away.
Your DENNERLE Osmosis system is now ready for use. The osmosis water can now be collected and used. The
residual water can also be used, for example for cleaning, watering your houseplants or flushing your toilet.
Recommendation: The osmosis water reservoir should be equipped with a safety overflow to channel the water into the
drain. This will enable you to prevent “flooding” should you forget to turn off the system in time.
4 Quality of the osmosis water
The DENNERLE osmosis system reduces harmful substances in tap water such as heavy metals, nitrate, phosphate and
pesticides as well as hardness elements and salts by at least 95 %. Osmosis water is therefore very soft and virtually
free of any harmful substances.
Total hardness and conductivity of the osmosis water depend on the tap water:
Tap water
Osmosis water at 95 % retention of all harmful substances
Conductivity µS/cm
Total hardness* °d
Conductivity µS/cm
Total hardness* °d
1000
500
300
33
16
10
50
25
15
1,6
0,8
0,5
*acc. to H.-J. KRAUSE, Manual of Aquarium Water
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5 Using the osmosis water
Osmosis water is very pure and therefore contains practically no hardness at all, which is necessary to buffer the pH value.
For this reason osmosis water should always be set to the required hardness in the aquarium before use. To do so, you can
mix it with tap water, provided that the tap water does not contain any harmful substances (e.g. copper, nitrate, phosphate).
The better and safer option is to specifically increase the hardness of the osmosis water using DENNERLE Osmosis
ReMineral+. This enables you to set the water hardness and mineral content precisely according to the needs of your aquarium fish. DENNERLE uses only highly pure mineral salts of pharmaceutical quality.
Recommended water values:
Fish
Total hardness
Carbonate hardness
Discus
Tropical communal aquarium with neons, scalares,
long-whiskered catfish, etc.
3 - 5 °d
4 – 7 °d
1 - 3 °d
2 – 4 °d
Malawi Cichlids
3 – 6 °d
5 – 8 °d
Tanganyika Cichlids
8 - 12 °d
16 – 18 °d
Please consult the relevant specialist literature to find out about the care needs of specific fish or consult your local pet
specialist.
Turn off the tap.
The system can also be automatically deactivated using a standard solenoid valve, which can be installed subsequently in
the hose between the tap and the active carbon filter.
We recommend using the system at least once a week for 30 minutes. If the system has not been used for a
period of more than two weeks, the osmosis water should be drained off for approx. 1/4 hour before being used
again. This will flush out any bacteria that may have got into the system.
If the system not used for longer periods, please ensure that the membrane is not allowed to dry out. To this end it is
advisable to plug the hose ends for the osmosis and residual water with a rubber stopper.
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Total hardness
Rinsing intervals
soft
medium
hard
very hard
less than 7 °d
7 – 14 °d
14 – 21 °d
above 21 °d
15 minutes every 4 weeks
15 minutes every 3 weeks
15 minutes every 2 weeks
15 minutes every week
After rinsing reinsert the flow restrictor.
8 Replacing the membrane
If used properly, the modern DENNERLE polyamide/polysulphone membrane will have a service life of 3-8 years. The
service life depends in particular on the quality of the tap water, the operating conditions, the intensity of usage, membrane care by means of regular rinsing as well as the timely replacement of the pre-filter.
The membrane should be replaced if
(1) the conductivity or hardness of the osmosis water is greater than 25 % of the tap water, or
(2) the produced osmosis water drops to below 70% of the original amount, despite otherwise correct use (temperature,
pressure, filter not blocked). Before measuring these values, the device should have been rinsed for 15 minutes and
have been in operation for at least 2 hours.
6 Turning off the system
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Water hardness
Replacing the membrane:
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7 Maintenance
The DENNERLE osmosis system is virtually maintenance-free. To ensure a
long membrane life, it is important to remove the residues that build up on
any osmosis membrane over time by means of regular rinsing. If the membrane is not rinsed regularly, lime scale will become deposited on the membrane surface, which will result in diminished performance and premature
failure of the system.
Rinsing the membrane:
· Turn off the tap.
· Unscrew the coupling ring from the upper fitting of the flow restrictor,
remove flow restrictor and extract the hose insert from the end of
the hose .
· Turn on the tap and rinse as described in the following table:
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Turn off the tap.
Unscrew the coupling ring from the angle fitting on the membrane container lid and extract the hose from the fitting.
Unscrew the membrane container lid using the spanner provided .
Carefully remove the membrane using a pair of pliers.
Lightly grease the two O-ring seals on the new osmosis membrane with
Vaseline (chemist). Insert the membrane (the two O-rings first) into the
membrane container as far as it will go .
Likewise, lightly grease the O-ring for the membrane container lid with
Vaseline. Screw on the container lid tightly and reconnect the hose with
the hose insert. Please note the general tips on fittings (see section 10)!
Turn on the tap and check that the device is watertight.
Allow the new membrane to run for 2-3 hours. During this period, DO
NOT use the osmosis water.
Replacing the fine filter or active carbon filter
9.1 Fine filter
You will notice whether the fine filter is blocked if the flow rate declines significantly.
Check fine filter:
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Release the hose screws on the membrane container lid.
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Turn on the tap and measure the volume of water flowing out of the outlet of the fine filter: Replace the fine filter
if the volume is less than 1 l/min.
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The fine filter should generally be replaced once per year; more often in case of poor water quality.
9.2 Active carbon filter
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The active carbon filter should be replaced once per year, in case of heavily chlorinated tap water (smells of chlo-
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rine!) every 6 months.
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12 Technical data
Replacing the fine filter or active carbon filter
Turn off the tap.
Release the hose screws in the filter and unscrew the fittings (SW 16 spanner).
Remove the old sealing tape from the fittings. Wind approx three turns of Teflon tape (available in all DIY stores)
around the thread of the fitting in the opposite direction to the thread. Screw the fittings into the new filter. Please
note the general tips on fittings (see section 10).
Mount the filter in the same position and reconnect all hoses.
Turn on the tap and check that the system is watertight.
10 Please note these general tips on fittings and hose connections
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Always screw in fittings where the thread has been wound in sealing tape slowly and straight.
Only insert the fittings far enough that the top-most 1-2 turns of the thread remain visible. DO NOT screw the fittings in as far as they will go.
Do NOT unscrew fittings once they have been inserted.
Always cut off hoses evenly and insert the hose insert. Insert the hose into the fitting as far as it will go and tighten
the coupling ring by hand. Hold the fitting in place while doing so.
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11 What should you do if… Troubleshooting
11.1 If the system leaks...
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... between the fittings and the container: Carefully screw the fitting in a further half to single turn. If that does not
remedy the fault, you will have to reseal the fitting using Teflon tape. See also sections 9 and 10.
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... between the hose and the fitting: Unscrew the coupling ring, extract the hose and check whether the hose end has
been cut off evenly and the hose insert is in place. Insert the hose into the fitting with the hose insert as far as it will
go (!) and tighten the coupling ring by hand. If the hose connection still leaks, carefully tighten the coupling ring
slightly using a SW 16 spanner. It is vital that you hold the fitting in place while doing so.
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... at the membrane container lid: Release the hose connector and unscrew the lid. Check whether the O-ring is properly in place or is cracked and if necessary install a new O-ring. Grease the O-ring lightly with Vaseline and tightly
replace the container lid. Reconnect the hose.
11.2 If the output is not right
Fault
Cause
Little osmosis water
Fine filter is blocked
and little residual water
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Check fine filter and replace if
necessary (see section 9)
Hoses are bent
Replace hoses
Water pressure in the house water mains is too low
Check water pressure and if necessary
the pressure (at least 3 bar)
Little osmosis water but The membrane is blocked
lots of residual water
Lots of osmosis water
but little residual water
Remedy
Rinse membrane for 15 minutes (see section
7), replace if necessary take measures to increase
Tap water is very cold (winter)
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Flow restrictor is blocked or the
residual water hose is blocked
Replace
Maximum output:
Output under normal operating conditions:
130 l /day at a water temperature of 25 °C and a pressure of 4 bar
70 – 120 l /day at a water temperature of 10-15 °C and a pressure of 3-6 bar. Higher temperatures (up to 25 °C) and higher
pressure (up to 6 bar) result in higher values and vice versa.
Retention rate:
At least 95 %
(at a pressure of at least 3 bar after 48 hours in operation)
Membrane:
Modern TFC dry membrane made out of polyamide/
polysulphone. High resistance to bacterial decomposition
Ratio of osmosis water to residual water:
approx. 1 to 4 at 4 bar Control via integrated flow restrictor
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Spare parts and useful accessories
7022
7023
7027
7024
7025
7026
7029
7030
7031
7032
7033
7034
7035
Replacement membrane for Osmosis Compact 130
Fine filter 5µ
Active carbon filter
Fitting 1/4", straight
Angle fitting 1/4"
Angle fitting 1/8"
Osmosis hose, blue, 2 m
Osmosis hose, white, 2 m
Hose inserts, 25 pieces
Key for the membrane container
Tap connector, chrome
Tap connector, 2-way adapter, chrome
Osmosis ReMineral+, 250 g
14 Guarantee conditions
Guarantee period for the osmosis system: 36 months
Guarantee period for the membrane (wearing part): 6 months
Defective parts will be replaced or repaired free of charge during the guarantee period, on condition that the equipment is
used in the proper manner for the intended purpose and the guarantee card and receipt of purchase are sent to DENNERLE.
Wearing parts (fine filter, active carbon filter, etc.) cannot be exchanged.
Further claims in excess of the value of the device, in particular, for example, damage to fish or plants, cannot be accepted. DENNERLE shall not accept any liability whatsoever for any losses resulting from improper assembly or use of the
system. Delivery costs shall be charged to the buyer.
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