unGer RO60C User manual

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V2.0 08/19
OPERATING INSTRUCTIONS • BEDIENUNGSANLEITUNG
MODE D’EMPLOI • BEDIENINGSHANDLEIDING
INSTRUCCIONES DE MANEJO • ISTRUZIONI PER L’USO
ENGLISH DEUTSCHFRANCAISNEDELANDSITALIANOESPAGNOL
RO-Umkehrosmose-Filter
EU Declaration of Conformity
RO60S
T
Umkehr-Osmose-Filter
Reverse osmosis filter
Filtre à osmose inverse
Filtro a osmosi inversa
Filtro de ósmosis de inversión
Omkeerosmosefilter
RO60C
V1.1 01/20

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RO-Reverse osmosis filter
Table of contents
1 Safety regulations....................................................................................................... 15
1.1 General .....................................................................................................................15
1.2 Intended use.............................................................................................................15
1.3 Shelve life .................................................................................................................15
1.4 Operating temperatures, pressures and connections............................................16
1.5 Protection types of electric RO components ..........................................................16
1.6 Conversions and modifications to the device......................................................... 16
2. General information on reverse osmosis.................................................................17
2.1 Function of reverse osmosis..................................................................................... 18
2.2. Capacity of the pre-filter ........................................................................................18
3. Technical Data ............................................................................................................ 19
3.1 Scope of delivery......................................................................................................19
4. Shipping & packing....................................................................................................20
4.1 Receiving inspection ................................................................................................ 20
4.2 Claims........................................................................................................................20
5. Start-up.......................................................................................................................20
6. Description of use of the osmosis system................................................................ 22
6.1 Switching off the system ......................................................................................... 22
6.2 Maintenance & care.................................................................................................22
6.2.1 Filter cartridges .....................................................................................................22
6.3 Anti-freeze protection.............................................................................................22
7. Preparation of the filter for storage ........................................................................ 23
8. The integrated resin filter (RO60C)........................................................................... 24
9. TDS meter ..................................................................................................................25
10. Pump control system ...............................................................................................25
We thank you for your decision to purchase this high value reverse osmosis filter. To
ensure many years of enjoyment, we ask you to follow the instructions provided for
the use and operation of the system. We reserve the right to make technical changes.

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RO-Reverse osmosis filter
Safety regulations
1 Safety regulations
1.1 General
Please observe the applicable rules and regulations, as well as the effective ac-
cident prevention regulations.
We are not liable for any occurring water damage.
The fed water must comply with the specifications of the German Drinking Water
Ordinance. When operating with water other than from drinking water system, e.g.
from a well, a water analysis must be performed prior to application to determine if
the water is suitable.
Once the system is switched off, it can remain shut down for a maximum of 7
days without operation, otherwise the filter must be prepared for storage with
amembrane protection agent or the system must then be flushed with clear
water.
The filter element of the pre-filter should be replaced according to the level of
contamination, at the latest however every 6 months.
Recommendation: Install an external residual-current circuit breaker between
the power supply in order to exclude risks as a result of surges. These are
available from specialist retailers.
1.2 Intended use
This system may cause danger if it is improperly installed, not regularly maintained
or not used as intended.
The system is applied for desalination of drinking water.
The concentrate of the reverse osmosis system produced in this process must be
drained.
Cannot be used to remove bacteria.
The system is not approved for the US American market.
1.3 Shelve life
In the manufacturing facility, the reverse osmosis systems receive a date of
manufacturing, which is indicated on a type plate, and a membrane protection
agent is applied to the osmosis modules. It is recommended to change the mem-
brane protection agent approx. once a month to ensure maximum performance.
The system must be protected against frost. The temperatures in the service
room must be at least 5°C (max. 40°C).

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RO-Reverse osmosis filter
Safety regulations
1.4. Operating temperatures, pressures and connections
Depending on the composition of the raw water, the treated water can be more or
less aggressive. Thus, the parts coming in contact with the treated water must be
made of suitable material.
This could be plastic material, like for instance PE, PP, PVC, or stainless steel.
When using copper pipes, corrosion cannot be ruled out over the course
of time.
Ambient temperature of system:................ 5 – 40 °C
Water temperature: .................................... 5 – 25 °C
Inlet pressure: .............................................. 0-6 bar
Operating pressure: ..................................... max. 10 bar
Power supply, to be provided by customer:230 V / 50 Hz
1.5 Protection types of electric RO components
Electric motor: .............................................. IP 54
Pump control system: .................................. IP 65
1.6 Conversions and modifications to the device
Due to safety reasons, unauthorised modifications are not allowed. Original parts
and accessories are specifically designed for this reverse osmosis system.
Any liability by the manufacturer for damage resulting from modifications to the
system or from using parts other than original parts is excluded and results in
expiration of the warranty.
The warranty/guaranty expires in case of:
• Operating and installation errors.
• Opening/disassembly of housing other than by Unger.
• Replacing connections and hoses, other than by Unger.
• Replacing spare parts that are not included in the official Unger spare parts price
list.
• Performing unauthorised modifications to the design.
• Use of unauthorised chemical additives.
• Non-compliance with safety regulations (e.g. anti-freeze protection).
• Inadequate maintenance (1x per year by the authorised dealer or Unger).
• Non-use of drinking water

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RO-Reverse osmosis filter
General information on reverse osmosis
2. General information on reverse osmosis
The reverse osmosis process is an eco-friendly, physical technology for desalination
of drinking water without chemicals, for the purpose of generating pure water for
industry and cleaning.
The advantages of the reverse osmosis process compared to other desalination meth-
ods are substantial:
• Maximum removal of all dissolved and dispersed water constituents (anions and cations
of salts, airborne particles, colloids, organic compounds, etc.).
• Low operating costs, high use-value, quick amortisation.
• Minimal pre-treatment.
• Continuous operation.
• Small space requirement.
• High and consistent pure water quality.
• User-friendly and eco-friendly method, requiring no regeneration of the
• membrane since no acids or bases are used as in chemical desalination.
Important information
To prevent damage to the system and modules, please thoroughly read and
observe the operating instructions prior to installation and start-up!
ATTENTION!
The fed water must be in compliance with the German Drinking Water Regulation. It
must be completely free of iron-manganese heavy metals (max. 0.05 mg/l manganese,
max. 0.2 ml/l iron); the maximum silicate (SiO2) content may not exceed 20 mg/l. In ad-
dition, the feed water must not contain any barium and strontium. RO60C and RO60S
are already equipped with a carbon pre-filter as standard equipment.
It is essential to also observe the following:
• The system must be connected to a cold water supply.
The water temperature shall be max.25°C.
• If the raw water supply or power supply is interrupted for more than 1 week, the
system must be prepared according to the storage regulations. Another possibility
is to operate the system at least every 7 days for approx. 5 minutes.
• Preparation for storage regulations, see also item 7.
• Please make sure filters are replaced on a regular basis (pre-filters, as well as any
installed activated carbon filter).
RO-Reverse osmosis filter
Safety regulations

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#17512
RO-Reverse osmosis filter
Reverse osmosis
Semi-permeable membrane
Concentrated
solution
Pure water
Osmotic pres-
sure
Osmosis
Reverse osmosis membrane
Reverse osmosis
Concentrated
solution Pure water
Pressure
2.1. Function of reverse osmosis
When separating saline solution from pure water by a semi-permeable membrane, the system tries
to establish concentration compensation.
The water passes through the membrane without the influence of external forces and dilutes the
solution until a balance is established. This process is called osmosis.
In the balance, the static pressure in the solution is the same as the osmotic pressure.
The process is reversible when applying pressure to the saline solution, thus overcoming the
osmotic pressure. During this process of reverse osmosis, pure water is transported through the
membrane, while the saline solution is concentrated.
In the technical reverse osmosis process, the concentrated solution is referred to as concentrate,
which is continuously drained from the system and which produces pure water permeate. Thus,
when speaking about performance, permeate output or pure water output is indicated.
2.2. Capacity of the carbon pre-filter (RO60S)/combi-pre-filter
(RO60C)
• The capacity of the special carbon pre-filter depends on the chlorine content of the water.
• At 2ppm of chlorine and an assumed working day of 6 hours and 5 days a week, this capacity
would last:
• RO60S: approx. 100 000 litres of water = approx. 200 working hours or approx. 40 working days or
approx. 2 months
• RO60C: approx. 76.000 litres of water = approx. 150 working hours or approx. 30 working days or
approx. 1,5 months
You can use ph-test stripes to test the chlorine level of the water. To check if
the pre-filter works correct, test the water at the concentrate outlet on the
back of the filter. If the value is above 0 ppm, you have to exchange the pre-
filter.

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1
23
4
5
6
8
9
10
12
713
11
RO60S
1
23
4
8
9
10
12
7
11
5
6
13
RO60C
RO-Reverse osmosis filter
Technical Data
RO-Reverse osmosis filter
Reverse osmosis
3. Technical Data
3.1. Scope of delivery
RO60C RO60S
Electrical connection, primary 230 V/50 Hz
Inlet pressure 0-6 bar
Max. operating pressure 10 bar
Suction capacity (with 1“ line, 15°C) 5m/-0.5 bar
Yield approx. 60 %
Water temperature 5°C-25°C
Max. capacity at 15°C
Salinity in raw water max. 1000 mg/l
Salt retention rate 100% (resin filter)
Blocking index max. 3
SiO2 content in raw water 20 mg/l
Permeate output at 15°C water temperature l/h approx. 700l approx. 750l
Pump connection 1.1 kW
Standard feed water connection 1“
Standard concentrate connection G3/4“
Standard permeate connection G3/4“
Height 1230 mm
Width 750 mm
Depth 510 mm
Weight 83 kg
1. Robust stainless steel trolley
2. Water supply connection
3. RO60C: 4.5“ x 10“ combi pre-filter (sediment &
chlorine)
RO60S: 4.5“ x 10“ standard pre-filter
4. Pressure gauge water inlet downstream pre-filter
5. Double membrane
6. RO60C: 4.5“ x 20“ secondary resin filter
RO60S: 4.5“ x 20“ carbon pre-filter (chlorine)
7. Concentrate outlet
8. Pump control system
9. Permeate outlet
10. Pump
11. TDS-meter
12. Pressure indicator, pump
13. Pressure relief valve
• Filter wrench, filter cup (large)
• Feed pipe for preparation for storage

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RO-Reverse osmosis filter
Shipping & packing
4. Shipping & packing
The water treatment system has been carefully checked and packed prior to dispatch.
However, damage during shipment cannot be ruled out.
Thus, each system should be checked for intactness when accepting the goods while the
delivery person is present.
4.1. Receiving inspection
Check completeness of shipment by using the illustration on page 21.
Perform visual inspection of the device for shipping damage, check manufacturing date
for observance of maximum shelf live.
The system must be put into operation at the latest 6 months after the manufacturing
date.
4.2 Claims
If the device was damaged during shipping:
• Report the damage to the company in whose name the shipping company delivered
the system to you.
• Please save the packing material for return shipment (only if delivered by a
forwarding agent).
Claims based on shipping damage cannot be accepted without written confirmation of
the shipping company or in the case of unconditional acceptance!
5. Start-up
5.1 Initial start-up procedure to flush out the membrane
protection agent
• Before window cleaning can begin, the system must be disconnected from the elec-
tric power supply and then thoroughly flushed to remove contamination, sediments
and membrane protection agents. This applies in particular after a longer standstill
or after application of the membrane protection agent.
• The water supply must always be started before the power is connected.
• Check all hose connections and lines for tightness, since jolting during transport of
the system can result in possible leaks.

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RO-Reverse osmosis filter
Start-up
1. Connect hoses to the system (drinking water, concentrate and permeate)
2. The pre-filter has already been installed. Check by means of a visual inspection.
3. First open the water tap of the water supply line and then the tap of the water inlet of
the RO filter.
4. Check if water flows through the system without switching on the pump. The pressure
gauge (12) at the filter outlet must show the current municipal water pressure.
5. Flush system for 5 minutes until water comes out colourless and bubble-free
(this indicates that the membrane protection agent has been flushed out).
6. (Only RO60C): Interrupt the water supply and activate the resin cartridge in the circula-
tion system. To do this, connect the hoses to the filter housing. Always keep the double
thread adapter that has been removed for later application of membrane protection
agent.
7. Connect the system to the power supply. The pump must run quietly; the pump’s
pressure gauge reaches approx. 7-9 bar (depending on the water temperature).
8. The system must now be flushed again for 5 minutes to remove any remaining bubbles.
Press the red button on the resin filter (RO60C) or the carbon pre-filter (RO60S) (6) to
vent.
9. The cleaning water is now available.
ATTENTION! Avoid banking-up of the concentrate. The hose to the concentrate outlet must
move freely and must not be kinked as otherwise, the membrane(s) will be damaged.
5.2 Daily start-up
• Connect hoses to the system (drinking water, concentrate and permeate)
• The system must now be flushed to ensure bubble-free operation (without pump)
• When the water is nearly bubble-free, the high-pressure pump can activated. To do so,
connect the power supply.
• It is absolutely essential that the entire hose is without kinks as otherwise, the high
pressure pump switches off due to insufficient pressure.
• Always open the water supply tap first, then switch on the power!
• The operating pressure (membrane pressure) (12) should always be approx. 4.5 bar (with
15°C water temp.) higher than the inlet pressure (4). This ensures constant good filter
values.
• The operating pressure must not exceed 10 bar, if necessary, reduce the inlet pressure
via the ball valve (2).
Warning:
• The unit is under pressure during operation. If hoses are removed during operation,
the water flows out at high pressure!
• Even when the unit is no longer in operation, the hoses are still under pressure. Always
open both cocks before dismantling in order to depressurise the unit.
• Always ensure that the tyres are completely filled with air. The surface on which the unit
is standing must always be level so that it cannot fall over.
RO-Reverse osmosis filter
Shipping & packing

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RO-Reverse osmosis filter
Use of the osmosis system
6.1. Switching off the system
• Cut off the water supply (2) and wait until the system switches off.
Now cut off the water at the water line and remove the hose.
Remove the system from the power supply.
• Now close the water outlet (9) and pull the hose off the pole.
• Now open both water connections (2) & (9) again in order to depressurise the
line and allow the rest of the water to run out.
6.2. Maintenance and care
If the system is shut down for a prolonged period (7 days), it must be prepared for
storage to prevent contamination of the membrane.
It is recommended to have the system serviced 1x per year by an authorised dealer or
Unger.
6.2.1. Pre-filter
Prior to each start-up, visually check the degree of contamination of the pre-filter (3)
and replace, if necessary.
6.3. Anti-freeze protection
The system must be protected against frost. Minimum ambient temperature 5°C .
CAUTION
Never use any other chemicals, since all agents used must be tested for mem-
brane compatibility.
6. Description of use of the osmosis system
Depending on raw water quality and temperature, the maximum permissible yield is
RO60C: at 15°C approx. 700l/h, at RO60S: approx. 750l/h.).
In practice this means that the permeate output of the osmosis can deviate widely,
depending on the raw water temperature. Water temperatures in Germany generally
range between 8 - 10°C in winter and between 13 -17°C in summer.
Depending on the line arrangement in the building, these figures may also be corrected
upwards.