Pentek RO-2500 User manual

RO-2500

1
4-STAGE REVERSE OSMOSIS WATER FILTRATION SYSTEM
INSTALLATION AND OPERATING INSTRUCTIONS .....................................P.2
INSTRUCTIONS D’INSTALLATION ET D’UTILISATION
SYSTÈME D’OSMOSE INVERSE «4 ÉTAPES» ...........................................P.18
4-STUFIGE UMKEHROSMOSE-WASSERFILTERANLAGE
EINBAU-UND BETRIEBSANLEITUNG.........................................................P.34
INSTRUCCIONES DE INSTALACIÓN Y FUNCIONAMIENTO DEL SISTEMA
DE FILTRADO DEL AGUA POR ÓSMOSIS INVERSA DE 4 ETAPAS ........P.50
SISTEMA DI FILTRAGGIO DELL’ACQUA A OSMOSI INVERSA A 4 FASI
ISTRUZIONI PER L’INSTALLAZIONE E PER L’USO ..................................P.66
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RO-2500

TABLE OF CONTENTS
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1 PRECAUTIONS P. 3
2 INSTALLATION P. 5
3 OPTIONAL INSTALLATION P. 11
4 REPLACINGTHE PRE-FILTER AND POST-FILTER CARTRIDGES P. 13
5 REPLACINGTHE 3RD STAGE REVERSE OSMOSIS MEMBRANE P. 15
6 TROUBLESHOOTING P. 16
7 SPARE PARTS P. 82

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1 - PRECAUTIONS
IMPORTANT: Before installing this reverse osmosis system, make certain your water supply complies with
the following operating specifications. Failure to do so may reduce the effectiveness of the system and will
void the warranty.
Specifications
Thin Film Membrane: TFM-36
Feed Water Pressure: 2.75–6.9 bar (40 to 100 psi)
Temperature Range: 4.4–37.7°C (40–100°F)
TDS: 2000 ppm
Maximum Hardness*: 171 mg/L (10 gpg)
Sulphide, Iron and Manganese†: 0 ppm <0.1 ppm
Chlorine in Water Supply: Less than 2 ppm
pH Limits: 3–11
Daily Product Water Rate‡: 44.5 Lpd (11.76 gpd)
TDS Rejection: 92–99%
Turbidity: 5 NTU Max
* If the hardness of your water is above 171 mg/L (10 gpg), lime scale will build up rapidly on the membrane.
Scale build-up will plug the membrane and make the system ineffective. We do not recommend these
reverse osmosis systems to be used with water in excess of 171 mg/L (10 gpg) hardness.
† A maximum total level of approximately 0.01 ppm sulphide, iron or manganese is permissible. See your
local dealer to reduce these substances in your water.
‡Based on manufacturer's internal testing.
Parts Included: (See back of manual for diagram)
Pre-assembled filter system (mounting bracket, membrane housing, membrane, pre- and post-filter
housings and pre- and post-filter cartridges).
• Reverse osmosis membrane • Storage tank
• Inlet supply adapter • Chrome faucet
• Drain clamp • Feed tubing
• 1/4” Tubing • Sump wrenches
• Tank valve • 3/8” Tubing
System Dimensions
Overall Dimensions: 34.29 cm W x 12.7 cm D x 43.8 cm H
(131⁄2” W x 51⁄2” D x 171⁄4” H)
Weight: 7.84 kg (17.3 lbs.)
Tank Dimensions: 34.29 cm W x 20.32 cm D x 22.86 cm H
(131⁄2” W x 8” D x 9” H)
Tank Capacity Max: 4.9 L (1.3 gal.)
Tank Air Pressure Empty: 0.34 to 0.48 bar (5 to 7 psi)
Tank Weight (Full): 6.5 kg (14.5 lbs.)
Tools and Materials Required
• Hand or electric drill If sink does not have
(cordless preferred) hole for separate faucet:
• (2) Adjustable wrenches • Centre punch
• Slotted and Phillips screwdrivers • Cone-shaped grinding wheel
• File
• Safety glasses • 1 1⁄4” hole saw or drill bit
• Drill bits: 1/8”, 3/16”, 1/4”, 3/8” • Safety mask
NOTE: All tools may not be necessary for installation.
Read installation procedures before starting to determine what tools are necessary.

1 - PRECAUTIONS
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General
WARNING: Do not use with water that is microbiologically unsafe or of unknown quality without adequate
disinfection before or after the system.
CAUTION: Filter must be protected against freezing, which can cause cracking of the filter and water leakage.
CAUTION: Because of the product’s limited service life and to prevent costly repairs or possible water damage,
we strongly recommend that the bottom of all plastic housings be replaced every five years for clear
and ten years for opaque. If the bottom of your housing has been in use for longer than this period,
it should be replaced immediately. Date the bottom of any new or replacement housing to indicate
the next recommended replacement date.
NOTE:
• Your water must be within required limits for satisfactory operation. If not, your membrane life may be shortened
and your warranty will be voided (see chapter “Specifications”).
• This reverse osmosis system will not protect against disease-causing bacteria or remove naturally-occurring
harmless bacteria.
• Install on cold water line only.
• Do not use wicking or sealer to fit connections into the cap of the filter. Teflon® tape is recommended.
• Make certain that installation complies with all state and local laws and regulations.
• The replacement cartridges and reverse osmosis membrane included with this system have limited service lives.
Changes in taste, odour, and colour of the water being filtered indicate that the cartridge should be replaced (see
chapters “Replacing the Pre- and Post- Filters” and “Replacing the Membrane”).
• After prolonged periods of non-use (such as during a vacation) it is recommended that the system be flushed for
5 minutes before it is used.
• A drinking water cartridge may contain carbon fines (very fine black powder). After installation, flush the
cartridge for 5 minutes to remove the carbon fines before using the water.
• It is recommended that you run the tap at least 20 seconds prior to using water for drinking or cooking purposes.
• The contaminants or other substances removed or reduced by this water treatment device are not necessarily
present in your water.
Ro membrane precautions
CAUTION: Chlorine will destroy the TFM-36 membrane. If you use the RO-2500 with a chlorinated or
periodically-chlorinated water supply, it is ABSOLUTELY NECESSARY to use a carbon pre-filter
(included with the system). This carbon pre-filter should be changed at least every 3 months to avoid
chlorine bypass. See Warranty for disclaimers and limitations that apply to the TFM-36 membrane.
NOTE:
• To make sure no chlorine is present in the water that reaches the membrane, you may want to use a chlorine test
kit to check the brine/reject water that flows from the membrane to the drain. No chlorine should be detected.
• The TFM-36 membrane is resistant to naturally-occurring bacteria.
How reverse osmosis works
The RO-2500 Reverse Osmosis (RO) System uses a semi-permeable membrane to reduce dissolved salts and
minerals, improving the taste and odour of your water. The RO membrane is made of layers of micron-thin film
wound around a hollow centre core. Water molecules can pass through the membrane, but dissolved salts and
minerals are rejected.
The RO-2500 Reverse Osmosis System features 4-stage filter action. Your water supply is pre-filtered to reduce dirt
and chlorine that may foul the membrane. The RO membrane separates this pre-filtered water into PRODUCT
WATER and DRAIN or REJECT WATER. Incoming water pressure forces the product water through the membrane
and into the storage tank. Dissolved solids and other contaminants cannot pass through the membrane and are
sent to the drain as reject water. When you open the drinking water faucet, product water is drawn from the
storage tank through an activated carbon post-filter, providing you with cleaner, great-tasting water.
For each liter of water produced, several liters are discharged as reject water. The storage tank can hold up to 4.9
L (1.3 gallons) of water at a time, for drinking and cooking needs. When used under the chapter “Specifications”
of the manual, your Reverse Osmosis membranes should last 12-24 months.
Basic installation procedure guidelines
• For standard, under-sink installation on 10 mm (3/8”) steel, brass or copper cold water line.
• Please read all instructions and precautions before installing and using your RO-2500.
• Numbered diagrams correspond with numbered steps.

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2 - INSTALLATION
• Read all installation and operating instructions before installing
and using your RO system.
• Numbered diagrams correspond with numbered steps.
1 - Installing the water supply adapter
The supply adapter fits 1/2” 14 NPS threads. If local codes
permit, it may be used to connect the RO-2500 to the cold
water supply line. If local codes do not permit the use of the
supply adapter, alternate connectors can be obtained from
your local plumbing wholesaler.
Directions
(A) Turn off cold water inlet supply line. If cold water line
does not have a shut-off valve under the sink, you should
install one.
(B) Turn on the cold water faucet and allow all water to drain
from line.
(C) Disconnect cold water line from 1/2” 14 NPS threaded stub on bottom of main faucet.
(D) Using the nut that previously connected the cold water line to the faucet, screw the cold water line to
the male supply adapter threads.
2 - Selecting the faucet location
The drinking water faucet should be positioned with function,
convenience and appearance in mind. An adequate flat area
is required to allow faucet base to rest securely. The faucet
fits through a 1 1⁄4” hole. Most sinks have pre-drilled 1 1⁄2” or
13/8” diameter holes designed for spray hoses. The drinking
water faucet may be installed using one of these holes,
despite their larger size. If these pre-drilled holes cannot be
used or are in an inconvenient location, it will be necessary to
drill a 1 1⁄4” hole in the sink or through countertop next to the
sink for the faucet.
CAUTION: This procedure may generate dusts which can
cause severe irritation if inhaled or come in
contact with the eyes. The use of safety glasses
and safety mask for this procedure is
recommended.
CAUTION: Do not attempt to drill through an all-porcelain or porcelain-coated sink. For applications on
these types of sinks we recommend using the sprayer hole or mounting the faucet through the
countertop.
CAUTION: When drilling through a countertop make sure the area below the drilled area is free of wiring
and piping. Make certain that you have ample room to make the proper connections to the
bottom of the faucet.
CAUTION: Do not drill through a countertop that is more than 1” thick.
CAUTION: Do not attempt to drill through a tiled, marble, granite or similar countertop. Consult a plumber
or the countertop manufacturer for advice or assistance.
The following instructions apply to stainless steel sinks ONLY.
(A) Line bottom of sink with newspaper to prevent shavings, parts or tools from falling down the drain.
(B) Place masking tape over the area to be drilled to help prevent scratches if drill bit slips.
(C) Mark point with centre punch. Use a 1/4” drill bit to drill a pilot hole through sink.
(D) Use a 1 1⁄4” hole saw to enlarge hole. Smooth rough edges with a file.
1
C
DA
B
2
C
D
B
A
Pilot Hole
Mounting Hole
11/4"
1/4"

2 - INSTALLATION
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3 - Mounting the Faucet
(A) Loosen stem-nut on faucet; remove metal "C" disc (if
attached).
(B) Attach large diameter 3/8” drain tube to barb fitting at the
faucet base. This tube should be long enough to reach the
drain clamp in Step 4.
(C) Attach small diameter 1/4” drain tube to other barb fitting
at faucet base. This tube should be long enough to reach
right side of the RO Assembly.
(D) Slide chrome plate and black rubber washer onto faucet
by threading both drain tubes through the holes on the
plate and washer.
(E) Slide lock washer down threaded section and thread
stem nut on. Do NOT tighten nut at this time.
(F) Use a marker to mark one end of the tubing 5/8” from the
end. Put the tubing insert into the tube. Slide the nut over
the tubing. Slide the ferrule over the tubing. Wet the
tubing end. Push the tubing into the bottom of the faucet
stub up to the mark. Slide the ferrule up. Slide the nut up
and screw it to the faucet. Tighten until slight resistance
is felt.
NOTE: DO NOT overtighten the 1/4” compression nut. Snug
down and tighten further only if leaks appear after
putting the system into operation.
(G) Holding the faucet, feed the three tubes through the hole
in the sink. Position the faucet handle at a desired
location.
(I) Centre the faucet and slip "C" disc between the white
extension and the bottom of the counter or sink. Tighten
the stem nut with a wrench until it is tight.
(J) Firmly insert goose-neck spout into faucet base.
3
A
I
E
F
D
C
B
Counter Top

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2 - INSTALLATION
4 - Installing the Drain Clamp
NOTE:
• If you have a single-basin sink with a disposal unit, call your
local plumber or installer for options.
• Before installing the drain clamp, check the drainpipes
under the sink for corrosion. Corroded pipes should be
replaced before continuing with installation.
(A) Attach the drain clamp to a vertical section of the
drainpipe, about 6”above the trap. Make sure the opening
on the drain clamp is facing towards the drinking water
faucet (see diagram on previous page).
(B) Using the fitting hole of the drain clamp as a guide, drill a
1/4” hole through one side of the drainpipe.
(C) Remove the drain clamp from the drainpipe and enlarge
the hole with a 3/8” drill bit. Use a file to remove rough
edges from the drilled hole.
(D) Make sure the black rubber gasket is adhered to the
inside of the drain clamp and place the drain clamp
assembly over the drilled hole. Look through the hole and
position the clamp so that the centre of the clamp hole is
slightly higher (about 1/16”) than the centre of the drilled
hole. Tighten the clamp securely.
(E) Screw the plastic compression nut onto the drain clamp
until hand-tight.
5 - Connecting the Faucet to the Drain
CAUTION: This is a gravity drain line. Any loops, kinks or
sharp bends must be eliminated before
proceeding. Failure to create a straight line to the
drain may result in reject water leaking through
the air gap in the faucet onto the countertop and
below the faucet.
(A) Align the larger reject (3/8”) tubing from the faucet with
the compression nut on the drain clamp. Create as
straight and smooth a path as possible with the tubing. Do
not kink tube. Cut the tubing squarely below the nut and
remove the internal and external burrs.
(B) Loosen the compression nut two complete turns. Insert
the tubing into the nut until it stops. Tighten with fingers, then tighten 1 to 2 turns with a wrench.
5
A
B
3/8" Tube
4
A
C
E
D
B
6"

2 - INSTALLATION
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6 - Installation of Mounting Screws
(A) If system is being installed under the kitchen sink, locate
it on back or right wall. Make sure to allow ample space
for installation. To change the filter cartridges, a minimum
of 1 1⁄2” of clearance is required underneath the filter
housings. A minimum of 2” of clearance from the left side
of the unit is also required or 5“ from the left bracket
mounting screw hole.
(B) Install mounting screws at least 15” from cabinet floor
and 7 1⁄2” apart. Leave a 5/16” space between the head of
the screw and the wall to slip bracket onto screws.
NOTE: Each connection fitting on the RO Assembly has a plug
that must be removed before inserting tubing. Push in
on the collar and pull the plug out.
7 - Connecting the Faucet to the System
(A) Locate the reject tubing (reject water line) from the
drinking water faucet. This tube is the smaller of the two.
Place a mark on the tubing 5/8” from the end. Moisten the
end of the tubing with water and insert tubing into the
quick-connect fitting on the flow restrictor found on the
right side of system behind the membrane. If tubing is not
firmly connected, leaking will occur. It is important for the
tubing to be inserted all the way until the mark is flush
with the outer edge of the quick-connect insert.
NOTE: Tubing may be quickly and easily removed from the
fitting if necessary by pressing the collar around the
fitting then pulling the tubing with your other hand.
(B) The faucet tube from the bottom of the threaded metal tube is inserted into the post filter. The fitting is
at the top left of the RO System. Push the free end of the tubing into the quick connect fitting.
8 - Connecting the StorageTank to the
System
CAUTION: When tank is full, it weighs approximately 6.5 kg
(14.5 lbs.) Provide ample support under the tank.
(A) To prevent leaks, apply 3 or more wraps of Teflon® tape
to threads on tank. Thread the tank valve onto the top of
the tank opening. Turn tank so handle is in line with
tubing.
8
65" (min).
2" (min).
15"
(min).
11/2" (min).
71/2"
7
A
B
Port Reference
8
C
Port Reference
1/4" Tube
5/8"
Apply
Teflon tape
B
A

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2 - INSTALLATION
CAUTION: The tank/valve connection will leak if not properly sealed. Teflon tape will normally seal the
threaded connection.
(B) Locate the 1/4” tubing. Place a mark on the tubing 5/8” from each end. Moisten one end of the tubing
with water and insert with a twisting motion into the port of the tank valve until the 5/8” mark is flush
with the quick connect fitting. Then locate the tank near
the system's installation area.
(C) Cut the tubing to correct length. Install free end of tubing
into white quick-connect fitting on the post filter tee on
the right side. Do not cut tubing.
(D) Place entire system over mounting screws on wall and
slide down.
CAUTION: Make certain system is firmly attached to wall to
prevent it from falling and possibly becoming
damaged.
NOTE: Use caution not to bend or pinch the tubing behind the
system while attaching to mounting screws.
9 - Connecting the Supply Adapter and Inlet
Filter
(A) Locate remaining length of 1/4” plastic tubing.
(B) Push into quick connect fitting on the right side of system.
(C) Cut the tube to a length that will allow connection to the
cold water supply fitting.
Ensure the tubing does not kink. Push the tube into the
fitting.
10 - Installing the Membrane
(A) Remove tube attached to membrane housing by pressing
in the white collar around the fitting while pulling the
tubing with your other hand.
(B) Hold the membrane housing with one hand and turn the
cap (wrench provided) with other hand to remove. To make
it easier to hold the membrane housing, you may want to
remove the post-filter.
(C) With clean hands (sanitary gloves preferred), remove the
membrane from the plastic bag. HANDLE WITH CARE.
CAUTION: Do not unwrap the tape around the membrane, as
it is part of the membrane. Do not squeeze
membrane.
(D) With the double O-ring side first, push membrane into
housing until it stops.
About 1/8” of the membrane’s plastic core will stick out
beyond the housing.
9
9
B
Port Reference
1/4" Tube
5/8"
16 mm
5/8"
16 mm
A
C
10
A
Port Reference
E
D
A

2 - INSTALLATION
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(E) Use clean silicone grease (pack is included with the
system) to lubricate both O-rings and the brine seal.
Hand-tighten membrane housing cap until you feel
resistance, then tighten an additional 1/2 turn. Do not
over-tighten.
(F) Reinsert the tube by pushing it into the quick connect
fitting.
11 - Faucet Operation
(A) For controlled water flow, push the handle down.
(B) For constant water flow, lift the faucet handle to lock it in
the open position.
12 - System Start-up
NOTE:
• The reverse osmosis membrane is treated with a food grade
sanitizing agent that may cause an undesirable taste.
Although it is not harmful, it should be flushed from the
system.
• The post-polishing filter may contain fine black carbon
particles. These fines are harmless, but may make the water
appear gray in colour. The carbon fines are flushed from the
system with the first tank full of water.
• The RO system does not produce a high volume of water on
demand as an ordinary filter does. Water is produced at a
slow, drop-by-drop rate. The system requires about 2 to 4
hours to fill the storage tank. As water is taken from the tank,
the system automatically starts the cycle of replacing the
water and then stops water production when the tank is full.
CAUTION: Visually check the entire system for leaks. If a
leak is present, see Chapter “Troubleshooting”
(A) Turn off valve at top of storage tank.
(B) Turn on the cold water supply.
(C) Lift the faucet handle to lock it in the open position and let
it drip for 30 minutes.
(D) Completely open the cold water supply until it comes to a stop. Allow water to drip from the faucet for
3 more hours. Then close the faucet and open the valve on the storage tank. The tank valve is open
when the handle lines up with the tubing connection.
(E) Allow 2 to 4 hours for the tank to fill. Again, periodically check the installation for leaks. After the
storage tank is filled, open the faucet to flush the post-polishing filter. Allow 4 to 5 minutes for all of the
water to drain from the tank.
(F) Close faucet and allow tank to fill.
NOTE: Initially, the water may appear cloudy. This is a result of air trapped in the post-polishing filter. It is
not harmful and will disappear in a matter of minutes. It may take up to a week after installing a new
post-polishing filter for the trapped air to dissipate. The system is ready for operation. You can now
enjoy quality water from your Reverse Osmosis System.
10
11
Push Down
A
Push Up
B
12
Closed
Tank Valve
Open
Tank Valve
A
B
Counter-
clockwise

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3 - OPTIONAL INSTALLATION
Connecting your Reverse Osmosis System to Refrigerator Icemaker / Water
Dispenser
CAUTION: If you are connecting this unit to your refrigerator/icemaker with initial RO installation, wait to
turn on the icemaker until the post-polishing filter has been flushed according to Step 12.
CAUTION: Use plastic tubing and fittings. Do not use copper tubing or brass fittings.
NOTE: For optimum performance, it is recommended that the distance between the RO system and the
refrigerator icemaker/water dispenser be no greater than 3 m (10 feet). At distances greater than 3
m, the water pressure from the system may not be adequate to deliver water to the refrigerator.
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36
5
2

3 - OPTIONAL INSTALLATION
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Materials required (available from your local hardware store)
• 0.635 cm x 0.635 cm x 0.952 cm (1/4” x 1/4” x 3/8”) compression or quick-connect tee
• 3 m (10 feet) of 0.952 cm (3/8”) polyethylene tubing
• Shut-off valve
1. Turn off refrigerator water supply and icemaker (consult manufacturer’s guidelines).
2. Close tank valve (on top of storage tank).
3. Turn off water to RO system at the cold water supply.
4.
4. Open drinking water faucet to relieve pressure.
5. Locate tubing (permeate) leading to your drinking water faucet. Cut and insert the 0.635 cm x 0.635 cmx
0.952 cm (1/4” x 1/4” x 3/8”) compression or quick-connect tee into the permeate tubing. Consult
manufacturer’s guidelines before installing the supply adapter.
NOTE: When cutting the permeate tubing, you may experience some water leakage.
6. Using a length of 3/8” polyethylene tubing, connect the icemaker/dispenser line with the free port on the
compression tee.
7. The shut-off valve should be installed as close to this port of the tee as possible. Shut-off valve should be
installed in the OFF position.
Consult manufacturer’s guidelines before installing the shut-off valve.
8. Completely open cold water supply.
9. Open tank valve.
10. Turn off the drinking water faucet.
11. Turn on water to RO system at cold water supply.
12. Turn on icemaker and open shut-off valve. Consult manufacturer’s instructions.
13. Check for leaks and tighten connections if necessary.

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4 - REPLACING THE PRE-FILTER AND POST-FILTER
CARTRIDGES
1st Stage Pre-Filter and 2nd Stage Pre-Filter Cartridges:
The cartridge should be replaced every six months. If your water contains a high amount of sediment, it may
be necessary to change the 1st stage cartridge more frequently. If your water contains a high amount of
chlorine, it may be necessary to change the 2nd stage pre-filter more often.
1. Turn off incoming water supply and valve on the storage tank. Place a tray under the system to catch any
water that spills during removal of the filter housings.
2. Open faucet to release pressure.
3. Unscrew bottom of filter housings from caps. Use the filter wrench. Discard used cartridges.
4. Remove black rubber O-rings from grooves in housings. Wipe grooves and O-rings clean; set O-rings
aside.
5. Rinse out housings and fill each 1/3 with water. Add 2 tablespoons of bleach and scrub with non-abrasive
brush or sponge. Rinse thoroughly.
6. Lubricate each O-ring with a coating of clean silicone grease. With two fingers, press each
O-ring securely into groove below the threads of the appropriate housing.
1/4" Feed Tube
3/8" Drain Tube
1/4" Faucet
Drain Tube
GS-10RO
(4th Stage Post-Filter)
TFM-36 Membrane
(3rd Stage Pre-Filter)
1/4“ Storage
Tank Permeate
Tube
EPM10
(2nd Stage
Post-Filter)
P5
(1st Stage
Pre-Filter)
1/4“ Faucet
Permeate Tube

4 - REPLACING THE PRE-FILTER AND POST-FILTER
CARTRIDGES
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CAUTION: The rubber O-ring provides the water-tight seal between the cap and the bottom of the housing.
It is important that the O-ring be properly seated in the groove below the threads of the housing
or a water leak could occur.
7. Insert cartridges in the bottom of the housings. Make sure cartridge slips over standpipe in the bottom of
the housing.
NOTE: Be sure to install cartridges in proper housings (see previous diagram).
8. Screw bottoms of housings back onto caps securely, do not over-tighten. Turn on cold water supply.
Check for leaks. Continue to check periodically to make sure no leaks develop.
4th Stage Post-Filter Cartridge: post-filter should be replaced every twelve months.
1. Turn off incoming water supply and valve on the storage tank. Place a tray under the system to catch any
water that spills during removal of the filter housings.
2. Open faucet to release pressure.
3. Remove filter from bracket and discard.
4. Remove tubes from fittings by pressing in collar around the fitting while pulling the tubing out with your
other hand.
NOTE: If quick connect fittings need to be installed, tape threads of fittings with 3 wraps of Teflon® tape
and attach to filter.
CAUTION: Ensure the tape is not touching O-ring on the fitting or a leak may occur.
NOTE:
• The filter has an arrow on it showing the direction of flow. The tee fitting connects to the inlet side of the
filter and the elbow fitting attaches to the outlet side.
• Hand tighten fittings, then tighten with wrench 1/4 turn.
5. Attach 4th stage filter to bracket with the tee fitting on the right hand side.
6. Attach tubes to fittings by pushing in until the tube stops. Check to see if tube is in place by trying to gently
pull tube out.

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5 - REPLACING THE 3RD STAGE REVERSE
OSMOSIS MEMBRANE
About the Reverse Osmosis Membrane
When used under operating conditions specified on page 3 of the manual, your reverse osmosis membrane
should last at least one year. You should replace the membrane after 18 to 24 months. Replace it sooner if you
notice a return of unpleasant tastes or odours or a noticeable decline in water production. The precise life span
of your system's membrane will depend on the quality of the water entering the system and the frequency with
which you use it. Frequent system use prevents the filtered salts and minerals from building up on the membrane
as scale. The more water the system is required to produce, the longer the membrane will last. You may wish to
find a variety of uses for your system in order to prolong the life of the membrane.
During extended periods of non-use (such as during a vacation), remove the membrane from the membrane
housing and place it in a sealed plastic bag. Store membrane in refrigerator for future use.
DO NOT FREEZE.
NOTE: If system stands for more than 2 to 3 days without being used, the storage tank should be emptied.
Replacing the Membrane and Sanitizing the System and Filters
NOTE:
• It is recommended that you sanitize the system each time you change the membrane. It is not necessary
to sanitize the system when changing only the pre-filters or post-filter.
• When installing a new membrane, it is recommended that you replace the pre-filter and post-filter
cartridges as well.
Removing the Membrane and Filters
1. Turn off the cold water supply. Allow five minutes for system to depressurize. Place a tray under the
system to catch any water that spills during removal of the filter housings.
2. Open drinking water faucet to drain tank. When tank is drained, close faucet.
3. Hold the membrane housing with one hand and remove the cap with the other hand.
CAUTION: Do not disconnect tubing from membrane cap.
4. To remove the RO membrane, grasp membrane tube with pliers and pull. Discard old membrane. Screw
cap back onto membrane housing. DO NOT install new membrane.
5. Unscrew filter housings from caps and discard used cartridges.
6. Remove black rubber O-rings from grooves in housings. Wipe grooves and O-rings clean, set O-rings
aside.
Sanitizing the System
7. Rinse out bottom of housings and fill each 1/3 with water. Add 2 tablespoons of household bleach to each
housing and scrub cap, bottom of housings, and membrane housing with non-abrasive sponge or cloth.
Rinse thoroughly.
8. Lubricate O-rings with a coating of clean silicone grease. With two fingers, press each O-ring securely
into groove below the threads of the appropriate housing.
CAUTION: The rubber O-ring provides the water-tight seal between the cap and the bottom of the housing.
It is important that the O-ring be properly seated in the groove below the threads of the housing
or a water leak could occur.
9. Screw bottom of housing onto caps WITHOUT inserting prefilters and hand-tighten. Do not over-tighten.
10. Open the cold water supply and let the system run for 2 to 3 minutes to carry the bleach solution
throughout the system.
11. Close the cold water supply and turn on the drinking water faucet. Let the faucet run for about 30
seconds before turning off.
12. Let the entire system stand for 30 minutes to sanitize.
13. After 30 minutes, turn on the drinking water faucet to allow the bleach water to run out (about 3 to 5
minutes).
14. Unscrew bottom of housings. Discard bleach water and rinse.
Replacing the Membrane and Filter Cartridges
To replace the filters, see Chapter “Replacing the Pre-Filters and Post-Filter”.
To replace the membrane, see Step 10: “Installing the Membrane” and Step 12: “System Start-up”.
NOTE: After installing new membrane and cartridges, allow system to run for 3 hours to fill tank. Check for
leaks every hour. As pressure builds in tank, leaks may occur that did not exist directly after
installation.

6 - TROUBLESHOOTING
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Leaks between bottom of housing and cap
1. Ensure sump is tightly screwed to cap. If it still leaks close the cold water supply and tank valves.
2. Clean black rubber O-ring and lubricate with clean silicone grease. With two fingers, insert
O-ring in groove below threads of housing and press into place. Tighten housing back onto cap.
3. Open the cold water supply and tank valve. If leaks persist, call your local plumber or installer.
Leaks on tank valve assembly
1. Open drinking water faucet to drain storage tank. Let drinking water faucet run until it drips. Turn off cold
water supply.
2. Push in on white collar of tank valve fitting and pull out tubing. Unscrew the tank valve from the storage
tank. Rewrap threads on top of the tank with Teflon® tape. Screw tank valve back onto tank. Trim 1/2”
from end of tubing and reinsert 5/8” into tank valve fitting.
3. Open the cold water supply and shut off the reverse osmosis faucet. Let the system pressurize for several
hours and check for leaks. Check again after tank is fully pressurized.
Leaks on quick-connect fittings
1. Close the cold water supply and tank valve.
2. Depress plastic collar and pull out tubing.
3. Cut off 1” of tubing and place a mark 5/8” from end of tubing. Tubing should be cut squarely. The internal
and external burrs should be removed.
4. Push tubing 5/8” into fitting.
5. Open the cold water supply and tank valve. If leaks persist, call your local plumber or installer.
No flow or slow flow from the brine (drain) line
Less than 1 1/2” cups per minute
NOTE:
• Before checking brine (or reject) flow, make sure the system is producing water by turning off the valve
on the storage tank and opening the faucet. Water should drip from faucet.
1. Examine the P5 and EPM10 pre-filters. If clogged, replace (see Chapter “Replacing the Pre-Filter and
Post-Filter”) and recheck the brine (or reject) flow rate.
2. If the pre-filters are not at fault, the brine (or drain) flow controller is probably clogged. Call your local
plumber or installer.
High TDS in Product water
If high levels of TDS (Total Dissolved Solids) are detected in your product water (approximately 30% or
greater of what is measured in your tap water, as determined with a conductivity meter or by a TDS monitor
faucet), the RO membrane may need to be replaced, or the brine (or drain) flow control tubing may be
clogged. See your dealer or plumber to check product water TDS.
Reduced production
Slow or no product water flow usually indicates either a clogged pre- filter or an exhausted membrane.
First, replace the pre-filters. If the production rate is not improved, replace membrane.
Gradual return of taste and odour
Gradual return of unpleasant taste and odour over a period of time may indicate that your filter cartridges
and/or RO membrane need to be replaced. See chapters“Replacing the Pre-Filters” and “Replacing the
Reverse Osmosis Membrane”.

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6 - TROUBLESHOOTING
Sudden return of taste and odour
If shortly after complete servicing noticeable taste and odours return contact your local plumber or
installer.
No water pressure from the drinking water faucet or low volume in storage tank
1. Close the cold water supply to system.
2. Lift storage tank to see if it is empty. If not, open the drinking water faucet to empty water from tank.
NOTE:
• It may be necessary to pump a small amount of air into the tank with a bicycle pump to remove all the
water from the tank.
3. When tank is empty, use a pressure gauge to check tank pressure. An empty tank should contain 0.34 to
0.48 bar (5 to 7 psi) pressure. Increase or decrease the air pressure in the tank accordingly.
4. Open cold water supply. Let system run for 3 hours to fill tank, then check system performance. If
performance has not improved, call your local plumber or installer.

1 PRÉCAUTIONS P. 19
2 INSTALLATION P. 21
3 INSTALLATION OPTIONNELLE P. 27
4 REMPLACEMENT DU PRÉ-FILTRE ET DU POST-FILTRE P. 29
5 REMPLACEMENT DE LA MEMBRANE D’OSMOSE INVERSE
(FILTRE 3ÈME PHASE) P. 31
6 GUIDE DE DÉPANNAGE P. 32
7 PIÈCES DE RECHANGE P. 82
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TABLE DES MATIÈRES
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1 - PRECAUTIONS
IMPORTANT: Avant d’installer ce système d’osmose inverse, s’assurer que votre installation d’eau
respecte les spécifications opérationnelles. Le non respect de ces conditions réduit l’efficacité du système
et invalide la garantie.
Spécifications
Membrane à film mince : TFM-36
Pression à l’entrée : 2.75-6.9 bar (40 à 100 psi)
Température à l’entrée : 4.4-37.7°C (40-100°F)
TDS (Total des solides dissous) : 2000 ppm
Dureté Maximum* : 171 mg/L (10 gpg)
Sulfure, Fer et Manganèse† : 0 ppm <0.1 ppm
Chlore : Moins de 2 ppm
Limites du pH : 3-11
Production journalière‡ : 44.5 litres/jour (11.76 gpj)
Réjection : 92-99%
Turbidité : 5 NTU Max
*si la dureté de votre eau est supérieure à 171 mg/l (10 gpg), le calcaire encrassera rapidement, la
membrane rendant le système inefficace. Nous déconseillons l’utilisation de ces systèmes d’osmose
inverse avec de l’eau ayant une dureté supérieure à 171 lg/L (10 gpg).
Une quantité maximum totale d’environ 0,01 ppm de sulfure, fer ou manganèse est admise. Contacter votre
revendeur local pour réduire ces substances dans votre eau. Déterminée par des essais du fabricant.
Pièces comprises : (voir au dos du manuel pour le diagramme)
Système de filtration pré-assemblé (bride de fixation, carter pour membrane, membrane, carter pour pré-
filtre, post-filtre, pré-filtre et post-filtre).
• Membrane d’osmose inverse • Réservoir de stockage
• Adaptateur d’alimentation • Robinet chromé
• Collier de purge • Tuyau d’alimentation
• Tuyaux 1/4" • Clés pour les carters de filtre
• Vanne du réservoir • Tuyau 3/8"
DIMENSIONS DU SYSTÈME:
Dimensions de l’ensemble : 34.29 cm ; 12.7 cm ; 43.8 cm
Poids : 7.84 kg (17.3 lb.)
Dimensions réservoir : 34.29 cm x 20.32 cm x 22.86 cm
Capacité max réservoir : 4.9 l (1.3 gal.)
Pression réservoir (vide) : de 0.34 à 0.48 bar (5 à 7 psi)
Poids réservoir (plein) : 6.5 kg (14.5 lb.)
Matériaux et outils nécessaires
• Perceuse manuelle ou électrique Si l’évier n’a pas un trou pour
un autre robinet
• (2) Clés à molette • Poinçon à centrer
• Tournevis plats Philips • Meuble abrasive conique
• Lime
• Lunette de protection • Scie cloche/mèche de 1“1/4
• Mèches : 1/8", 3/16", 1/4", 3/8" • Masque de protection
NOTE: Tous les outils peuvent ne pas être nécessaires pour l’installation.
Lire la procédure d’installation avant de commencer afin de sélectionner les outils
nécessaires