Wasserhaus QuaRO Series User manual

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page 1
Installation and User Manual
Residential Reverse Osmosis Water Filter
Systems
QuaRO
QuaROQuaRO
QuaRO

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Thank you for choosing Wasserhaus to buy a Residential Reverse Osmosis Water System.
You now own a water filtration system that will effectively remove many contaminants and
unwanted taste and odour from the water supply.
This system uses household water pressure to reverse a natural physical process called
osmosis. Water, under pressure, is forced through a semi-permeable membrane where
minerals and impurities are filtered out. Clean drinking water goes to the faucet or storage,
while the impurities are sent to the drain. These impurities are measured in the water as total
dissolved solids (TDS).
The system includes standard, 10 inch, replaceable pre and post filter cartridges. The pre-
filters remove sediment and chlorine from the water supply before they can enter the RO
membrane. The post-filter removes any taste or odours that may remain in the water after
passing through the RO membrane, and just before going to the RO faucet. To prevent water
waste, an automatic shut-off valve closes when the RO faucet is closed and the storage tank
is full.
This reverse osmosis system will provide you with a continuous supply of clear, delicious
water for drinking, cooking and other uses. Foods will look and taste better, too. Having high
quality RO water at your fingertips eliminates the need to buy bottled water. The storage tank
holds up to 4 gallons* of RO water for your needs.
Read carefully the following instructions before preparing your tools and proceeding with the
actual installation. Failure to do so could result in personal injury or damage to the equipment
or other property.
For questions please, don’t hesitate to contact your dealer.
We wish you best taste with your WASSERHAUS RO water filter system.

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* standard RO systems might be equipped with either 2, 3.2 or 4 gal. storage tanks
Important Information!
Installation of the Water Treatment System requires the use of the common tools. If
you are not familiar with the use of tools, we advise to hire a plumber or other
qualified persons to install the system. Follow all local and state plumbing codes.
The R/O System is prepared for under the sink application and must be installed to the cold
water supply only. Do not connect to hot water. The system operates on water temperature
of 40°F./4°C. min - 100°F./38°C. max. Temperatures below the minimum will freeze and
crack the R/O membrane and filter housings. Above 100°F./38°C., the membrane will rapidly
deteriorate.
The quality, temperature and pressure of the water must meet the following standards:
WARNING : Do not connect HOT water source to this unit.
WARNING : Incorrect installation will VOID the warranty.
IMPORTANT: Always close cold water feeder valve if system is not observed in order to
avoid water damages in case the RO unit or the water supply is leaking. We recommend you
to install a water alarm system at the cold water supply in order to detect when your RO unit
is leaking. A water alarm system can shut your cold water supply to the system if it detects
water outside the RO system. You can order a water alarm system from our shop: Item No
18599.
System Specification
Dimensions
RO
-
5, RO
-
6, RO
-
7
Height 55 cm
Width 33 cm

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Depth 44 cm
Parameters
Parameter
Limit value
Water pressure 3 - 6 bar (0,8 – 6 bar for RO5 Booster and
RO7)
Water temperature 12 – 50° C
Total Dissolved Solids (µS) max. 2000
PH value 3-10
free Chlorine 1,0 ppm max.
Product (quality) water/24 hrs 24 hrs* 50, 75 or 100 gal.
Percent rejection of TDS, minimum (new membrane) 90 – 95
Storage tank capacity (maximum) 2G, 3.2G or 4G
Safety Guides
Read all steps and guides carefully before installing and using your reverse osmosis system.
Follow all steps exactly to correctly install.
Reading this manual will also help you get all the benefits from your RO system.
DO NOT attempt to use this product to make safe drinking water from non-potable water
sources. Do not use the system on microbiologically unsafe water, or water of unknown
quality without adequate disinfection before or after the system. This system is suitable for
cyst reduction and may be used on disinfected water that may contain filterable cysts.
Check with your local public works department for plumbing and sanitation codes. You must
follow their guides as you install the system. Follow your local codes if they differ with guides
in this manual.
This reverse osmosis system works on water pressure of 2,8 bar (32 psi) (minimum) to 6 bar
(87 psi) (maximum). You must install a pressure reducing valve in the water supply pipe to
the reverse osmosis system if the water pressure exceeds 6 bar (87 psi).
Do not install this reverse osmosis system outside or in extreme hot or cold environments.
Temperature of the feed water supply to the RO system must be between 4° C and 45° C.
Do not install on hot water.
The reverse osmosis membrane contains a food grade preservative for storage and
shipment. Be sure to purge it as instructed on page 15.
Where to install the RO system
This RO system is designed for installation under the sink, usually in the kitchen or
bathroom. The RO system can be mounted on a wall surface or can lie on the cabinet floor
next to the storage tank. The RO faucet installs on the sink, into the counter next to the sink
or in the special bracket on the wall.
You can also install the system in any remote location from the faucet, observing the safety
guides on page 4. You will need a nearby water supply and drain point.
Water supply: To provide supply water to the RO system inlet, use the included feed supply
fittings as described on page 9.
Drain Point: A suitable drain point is needed for the reject water from the RO membrane. A
floor drain, laundry tub, standpipe, sump, etc., is preferred for remote installations. A saddle
drain adapter is included to install the system under the sink where codes permit, as an
optional drain point.

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NOTE:
Tubing lengths supplied with the system allow for the easy moving of the filter
assembly for servicing. If tubing lengths are shortened for a neater appearance, it may be
necessary to keep the filter assembly in its installed location for service.
Before you begin to install the RO system
CAUTION:
A refrigerator icemaker may not operate properly when connected
to a reverse osmosis system that has been installed on a water system that
operates outside of the specified pressures listed on page 31.
CHECK YOUR WATER SUPPLY: The COLD water supply to the RO system must be within
certain quality limits. See the specifications on page 31. If the supply water is not within the
limits defined, the RO system will not make product water as it should and substantially
reduced filter and membrane life will result.
CAUTION:
Chlorine in the water will destroy the RO membrane. Most cities
add chlorine to the water supply to kill bacteria. The pre-filters will remove the
chlorine up to the limits shown in the specifications on page 31 before it enters
the RO membrane. It is important to replace the pre-filter cartridges at the
recommended time intervals. See System Care and Maintenance starting on
page 17.
CAUTION:
Before consuming any water from the RO system you must
PURGE the RO membrane cartridge.
The RO cartridge contains a food grade preservative that should be removed
before consuming the water from the system. This procedure is explained on
page 15.
CHECK LIST:
1. Reverse Osmosis Unit
2. Water storage tank, 4 gallon volume (2.5 gallon )
3. Four or five colored tubing (black, blue, red, white, yellow-for RO6/RO7 only) ¼” O.D.,
7 feet each color
4. Installation kit, tank ball valve, drain saddle valve, feed water adapter, faucet
assembly, 2 plastic inserts.

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5. Installation manual
RECOMMENDED TOOLS
• Variable speed drill
• 1/8” ¼”, 7/16”, and ½” drill bit (Ø 4, 6, 10 or 13 drill bit)
• 5/8, 9/16 (17, 24, 32) open-end wrench, or adjustable wrench, pliers
• Screwdriver
• Utility knife, or scissors
• Teflon tape

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QuaRO Pur – Parts iagram

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QuaRO Power – Parts iagram

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QuaRO Plus – Parts iagram

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QuaRO Plus Power – Parts iagram
A. Housing 10’’ Clear, Inlet ¼’’,
Double O-ring
B. Housing 10’’ White, Inlet ¼’’,
Double O-ring
C. Housing 10’’ White, Inlet ¼’’,
Double O-ring
D. Membrane Housing, Double
O-ring
E. Storage Tank (2, 3.2 or 4
gallons)
F. Inline Granular Carbon
Cartridge
G. Inline Mineralizing Cartridge
H. Pressure Pump
1. Brass Water Feeder (3/8’’, ½’’
or ¾’’)
2. Elbow (JG)
3. Elbow or Connector (JG)
4. Faucet (Double Ceramic)
5. Elbow or Connector (JG)
6. Tank Ball Valve (JG)
7. Tee (JG)
8. Flow Restrictor
9. Drain Saddle (JACO)
10. Check Valve Elbow (JG)
11. Check Valve Elbow
12. Auto Shut-Off Valve (JG)
13. Elbow or Connector (JG)
14. Elbow or Connector (JG)
15. Tee (JG)
16. High Pressure Switch
17. Low Pressure Switch

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QuaRO PUR ECO and QuaRO PLUS ECO
The RO units QuaRO PUR ECO and QuaRO PLUS ECO are equipped with a
“permeate pump”.
A reverse osmosis system such as QuaRO Pur/Power utilizes an automatic shut-off
valve (ASO) that stops the RO system from producing water when the storage tank
reaches 50%-67% of the incoming water pressure. As the storage tank gets close to
being full, the system is sending more water down the drain due to the increasing
back pressure from the storage tank.
When a permeate pump is installed, the RO membrane is isolated from this back
pressure and allows the RO membrane to operate with up to 85% of the incoming
water pressure, even when the storage tank is nearly full. This dramatically improves
the efficiency of the membrane and overall quality of your water, as well as
increasing the pressure and related volume of stored water in the storage tank.
When you install your system, make sure the in and out ports are oriented
vertically one above another. The brine IN and permeate IN ports must be
located down and the brine OUT and permeate OUT ports must be located at
the top. If you don’t install the permeate pump as described the permeate pump/your
RO system can’t work properly.
How to test the proper function:
Open cold water supply. The RO unit should produce filtered water. If you close the
storage tank valve, you should see that a small amount of water pours out of the
faucet and then out of the drain water tube – continuously one after another. The
permeate pumpe will click regularly while the water filter system is producing water.
This sound is normal. If you hear this sound your permeate pump is working properly.

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This an example for a connection scheme of a permeate pump in QuaRO PUR ECO
RO unit. The permeate pump is connected in the same way in QuaRO PLUS system.
The only difference is the additional mineralization cartridge mounted to the system
(see page 9).
Connection scheme of a permeate pump to a QuaRO RO unit:
PA: Permeate OUT port KA: Brine OUT port
PE: Permeate IN port KE: Brine IN port

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Some Important Installation Notes
No tools are needed to connect the tubing. Just insert tubing into the fitting all the way. The
RO System uses so-called John-Guest (JG) type fitting or quick-connect fitting. To make a
connection to JG type fitting, cut tube straight and square, then insert tube all the way, and
pull it to lock it.
Connecting standard JG type push-in fittings
Connecting standard JG type push-in fittings
(Push up to pipe)
Push the pipe into the fitting, to the pipe stop. The collet (gripper) has stainless steel teeth
which hold the pipe firmly in position whilst the 'O' Ring provides a permanent leak proof
seal.
Pull on the pipe to check it is secure. It is good practice to test the system prior to leaving site
and/or before use.
Disconnecting standard JG type push-in fittings
Disconnecting standard JG type push-in fittings
(Push in collet and remove tube)
Ensure system is depressurized before removing fittings. Push in the collet against the face
of the fitting. With the collet held in this position the pipe can be removed. The fitting can then
be re-used.
Installation
Your RO system is made for installation under the sink, in a basement or other location,
depending on available space. Do not install unit where temperatures fall below freezing;
otherwise, damage will result.
We recommend you to call a plumper to have your system professionally installed. WRONG
MOUNTING MAY RESULT IN WATER DAMAGE IN YOUR HOUSE! The connecting parts
have been proven a million fold and are standard compliant. If you would like to have
different connecting parts, you can buy them in our store or at every specialized dealer.

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page 14
ATTENTION
The following installation manual is a recommendation for a typical mounting. Local
regulations for installation and standards for construction may contain different or additional
requirements. The plumber that does the installation is responsible for the compliance with
effective regulations.
PLACE OF INSTALLATION
Install the tank and the filter block in a vertical position under the sink. If there is not enough
space, the components can also be put in a horizontal position. It is important to keep in
mind that there are no kinks or tight bends in the tubing.
Illustration of the coloured
connections
Tubes are colour coded for easy
connection of the tubing to unit.
1 - feed water (white)
2 - pure water (blue)
3 - waste water (black)-
4 - connection to storage tank (red)
5 - reverse osmosis faucet
6 - filter system

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page 15
Step 0)
Installing Pre
-
filters:
a) Turn each sump 1/8 turn to left and pull
away from head to remove.
b) Pull pre-filters gently away from head,
remove shrink-wrap and re-install open end
of pre-filters on to head boss.
c) To replace sumps, align sump grooves
with head lugs and push straight up on to the
head. Turn sumps 1/8 turn to right fully to
stop (lock position).
The result should look like the picture in the
left (example QuaRO Pur).

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Step 1: Tapping into cold water supply
There are a number of ways to connect the system to the mains water supply. Provided RO
systems will be equipped with 3/8” Brass Water Feeder. We use special brass water feeders
which provide a check valve according to DIN 1988. This prevents water from returning back
into the mains system which in Germany is required according to law.
CAUTION: The water supply to your RO unit MUST be from a COLD water
line. Hot water will severely damage your RO system.
Important:
The following installation manual is a recommendation for a typical mounting. Local
regulations for installation and standards for construction may contain different or additional
requirements. The plumber that does the installation is responsible for the compliance with
effective regulations.
Installation
1. Locate the cold water shut off valve under your sink (if the feeder is installed after this
valve) and turn it off.
2. Open cold water faucet to release pressure and make sure there is no water running.
3. Mount the brass water feeder (3/8'') between cold water shut off valve and cold water tube
to your standard faucet or to 3in1-faucet (especially made for RO units).
4. Unscrew flexible hose from cold water shut off valve.
5. Connect brass water feeder to cold water shut off valve.
6. Connect brass water feeder to flexible hose (cold water supply to faucet).
7. Tighten all connections. You don’t need to seal the connections as there is a rubber o-ring
at the end of the connection which seals it.
8. Push white tube (connection to RO unit) into JG type push-in fitting (see page 13) and
secure connection by inserting safety clip.
9. Turn the ball valve handle to close position (push grey lever at right angle to white tube),
open main or cold water shut off valve and check for any leakages.
We have enclosed the most common thread dimension used in Germany. If you
need a different thread dimension such as ½“ or ¾“ for your connection, please let us
know or you can buy an adapter in a construction market or at a sanitary retailer.
Important: The brass water feeder according to DIN 1988 is only availabe in thread
sizes 3/8“- or 1/2“. The size 3/4“ is only available without check valve.

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Step 2: Mounting the drain saddle valve
The drain saddle valve should fit most standard drain pipe. It should be installed above the
trap and on the vertical or horizontal pipe.
1. Position the drain saddle in desired location, mark spot. You need to consider
available space for drain tubing
2. Drill 1/ 4” hole into the drainpipe above the water line of the pipe. Clean the surface of
the pipe.
3. Pear off the sticky foam pad, then align the centre hole around the drilled pipe hole.
Then tape it.
4. Align the drilled hole in the drain pipe with the drain saddle using a drill bit or narrow
screwdriver, then put the complementary piece and clamp them together with the two
bolts. Tighten the two bolts evenly.
5. Connect Black tubing to drain saddle valve .
Step 3: Installing the dispensing faucet
The faucet should be positioned with aesthetics, function and convenience in mind. An ample
flat surface is required for the faucet base so that it can be drawn down tight. Also check the
under sink area of the desired location to see if there is ample space to complete the faucet
installation.
If the space is not available on the upper sink area, the faucet could be positioned on the
counter top at the edge of the sink. Be sure to watch for obstructions below, i.e., drawers,
cabinet walls, support braces, etc. If the counter top is ceramic tile, the method for drilling the
hold should be the same as for porcelain sink.
NOTE: The sink drilling process, although not complicated, requires a certain amount of
caution and forethought. Porcelain sink can chip if care is not exercised.

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page 18
PORCELAIN ENAMEL SINK/ STAINLESS STEEL SINK/ ALUMIUM SINK
A 11mm (7/16”) hole is required for the faucet. This required size of the hole may vary
according to the faucet you are going to install. It is recommended that you get special drill
bit for porcelain and tile counter. If you don't have the special drill bit, then you need to pay
special attention.
1. Place a piece of masking tape or duct tape on the determined location where the hole
is to be drilled.
2. Use a variable speed drill at slow speed with 1/8” drill bit, and drill a centering hole in
the centre of the desired faucet location. Use lubricating oil to keep the drill bit cool
while drilling.
3. Enlarge the hole using a 1/ 4” drill bit.
4. Enlarge the hole using 7/16” bit. Keep bit well oiled and cool, then drill slowly.
5. File or clean the surrounding area and remove the masking or duct tape. (NOTE: the
metal chips on porcelain will stain very fast)
6. Pass the escutcheon plate (chrome base plate) and small rubber washer according to
the diagram through the threaded mounting tube at the base of the faucet.
7. From under the sink, install the locating washer, lock washer and nut. Then screw on
tightly.
8. According to the diagram, pass brass nut through the BLUE tubing first, then plastic
sleeve (do not use the brass sleeve), then the plastic insert. Push the white plastic
sleeve against the insert.
9. Screw on the Blue tubing with brass nut to the faucet base. Use wrench to tighten the
nut but don't over tighten it. Depending on the type of faucet which you have chosen,
the mounting of the tube may vary. If you don’t mount the tube with a plastic sleeve,
please use a John Guest type adapter and screw it onto the threaded mounting tube.
For insertion of the tube please refer to page 13.

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page 19
Step 4: Mounting the tank ball valve
NOTE: Do not tamper with the air valve on the lower side of the storage tank. It has been
preset to 0,5 bar (7,25 psi) at the factory (in an empty storage tank).
We have added a disinfection capsule to the installation kit. It is an Micropur MC10 T
capsule from the manufacturer Katadyn.
Before you start to mount the storage tank, you must insert the disinfection capsule
into the opening of the storage tank. Then mount the tank ball valve according to
following steps
1. Unplug the plastic cap on top of the tank.
2. Put the Teflon tape (approx. 8 rounds) around
the thread.
3. Connect the ball valve to the thread. Hand
tightens only. Do not use a wrench or over tighten
it. BE CAREFUL NOT TO CROSS THREAD THE
PLASTIC VALVE.
4. Connect the other free end of the 1/4" RED
tubing to the Stage 5 post-filter.
5. Close tank ball valve (turn handle vertical to red
tube)

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page 20
7) System start-up and purging
Before using RO unit for normal filtration you have to disinfect and rinse the RO unit. You
have received a disinfection capsule together with the installation kit. Use this capsule to
disinfect the inside of the storage tank as well as the tube and faucet located after the
storage tank.
0. See on page 19 how to insert disinfection capsule into storage tank and do this before
starting with the system start-up described here.
1. Check all tubing to be sure there are no kinks or obstructions.
2. Turn the storage tank valve to OFF position.
3. Turn RO faucet lever to continuous flow ON position.
4. Turn the cold water supply main valve on slowly. When the system is pressurized, check
for leaks.
5. You will hear the air purging from the system and within 5 minutes, the water should start
dripping from the RO faucet.
Once the water starts to drip, allow 20 more minutes for the water to flow through the system
and purge all the air trapped inside the system.
6. After 10 minutes, turn the storage tank valve to the ON position (handle is parallel to the
tubing)
7. Turn the RO faucet handle to the OFF position. Now the purified water will start flowing
into the storage tank.
8. Wait until the storage tank is filled with water. This may take approx. 1-1 ½ hours. The
auto shut-off valve will stop the system when the tank is full.
9. For the next 12 hours don’t use the RO unit.
IMPORTANT Make sure nobody drinks the water with the disinfection media from the RO
unit. The disinfection capsule is the product Micropur MC 10 T from the manufacturer
Katadyn.
IMPORTANT: YOU MUST PURGE THE FIRST TWO TANKS OF WATER FROM THE
SYSTEM PRIOR TO CONSUMPTION OF THE PRODUCT WATER. Allow the storage tank
to fill for 2 hours. Then.
DO NOT DRINK THE FIRST BATCH OF WATER PRODUCED BY THE SYSTEM.
10. After 12 hours open the faucet until the tank is empty and the flow just drips from the
faucet.
11. After discharging the tank, turn the RO faucet to OFF position. Now the RO system is
refilling the tank.
12. After the tank is filled up again, purge again, refill and then you can start enjoy the pure
water. Job Well Done!
Check for leaks in the first few days