SpectraPure The Eliminator DI User manual

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One Year Limited Warranty
SpectraPure, Inc. warrants each new Reverse Osmosis system to the original owner only to be free
of defects in material and workmanship for a period of one year from the date of receipt. Spec-
traPure’s liabililty under this warranty shall be limited to repairing or replacing on SpectraPure’s
option, without charge, F.O.B. SpectraPure’s factory, any product of SpectraPure’s manufacture.
SpectraPure will not be liable for any cost of removal, installation, transportation, or any other
charges which may arise in connection with a warranty claim. Products which are sold but not
manufactured by SpectraPure are subject to warranty provided by the manufacturer of said
products and not by SpectraPure’s warranty. SpectraPure will not be liable for damage or wear to
products caused by abnormal operating conditions, accident, abuse, misuse, unauthorized altera-
tion, or repair, or if the product was not installed in accordance with SpectraPure’s printed installa-
tion and operating conditions or damage caused by hot water, freezing, flood, fire, or acts of God.
SpectraPure Inc. will not be responsible for any consequential damages arising from installation
or use of the product, including any water damage due to flooding which may occur due to
malfunction or faulty installation, including, but not limited to failure of installer to tighten all
fittings.
SpectraPure warrants (pro-rated) the performance of membrane elements for one year from date
of receipt by the buyer, providing that the loss of performance was not caused by fouling, neglect,
or water conditions exceeding the feed water parameters listed on page 3 of this manual.
* Most municipal water supplies meet these requirements. Some private well systems do not.
Terms and Conditions of Sale
1. To obtain service under this warranty, the defective system or components must be returned to
SpectraPure with proof of purchase, installation date and failure date.
2. Any defective product to be returned to the factory must be sent freight prepaid; docu-
mentation supporting the warranty claim and/or a Return Goods Authorization must be
included, if so instructed.
3. SpectraPure will not be liable for any incidental or consequential damages, losses, or expenses
arising from installation, use, or any other causes. There are no expressed or implied
warranties, including merchantability or fitness for a particular purpose, which extend
beyond those warranties described or referred to above.
4. Some jurisdictions do not allow the exclusion or limitation of incidental or consequential
damages and some jurisdictions do not allow limitations on how long implied warranties may
last. Therefore, the above limitations or exclusions may not apply to you. This warranty gives you
specific legal rights and you may also have other rights which vary jurisdiction to jurisdiction.
5. Method of Payment: All orders will be shipped C.O.D. or require payment in advance.
6. SpectraPure, Inc. reserves the right to change prices without notice when necessary.
Fine Print
SpectraPure
®
REV - 04-09-08
Reverse Osmosis/Ion Exchange
Water Purification System
(Single- and Dual-Membrane Models)
Installation and Operating Manual
The Eliminator DI

SpectraPure
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215 South Industrial Drive, Suite 2A Tempe, Arizona 85281-2941
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Copyright © 2001 by SpectraPure®Inc.
ALL RIGHTS RESERVED
No part of this publication may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, electronic, mechani-
cal, photocopying, recording or otherwise without the prior written per-
mission of SpectraPure Inc.
Table of Contents
System Information
System Specifications-------------------------------------------------------------- 3
Reverse Osmosis Feed Water Requirements ------------------------ 3
Filter Diagrams ------------------------------------------------------------------------ 4
System Start-Up
System Initialization --------------------------------------------------------------- 5
System Hook-Up ---------------------------------------------------------------------- 5
System Set-Up
Checking the Concentrate to Purified Water Ratio ---------- 6
Flow Restrictor Removal, Adjustment & Replacement------ 7-10
System Maintenance
Sediment Pre-Filter Replacement ---------------------------------------- 11
Carbon Block Filter Replacement ---------------------------------------- 12
Deionization Cartridge Diagnostic -------------------------------------- 13
Deionization Cartridge Replacement ---------------------------------- 13
RO Single-Membrane Replacement ------------------------------------ 14-15
RO Dual-Membrane Replacement -------------------------------------- 16-18
Production Rate
Testing the Quality of the Membrane -------------------------------- 19-20
Membrane Testing
System Troubleshooting Guide-------------------------------------------- 21
Membrane Troubleshooting Guide —————--------------------- 21
System Care
Tips for Long Membrane Life------------------------------------------------ 22
Storage------------------------------------------------------------------------------------- 22
Choosing a Mounting Location ------------------------------------------ 22
System Components
Replacement Parts ----------------------------------------------------------------- 23
Optional Accessories-------------------------------------------------------------- 23
Warranty, Terms and Conditions -------------------------------------------- 24
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Replacement Parts
Model Replacement Part
SF-MT-1-10 1 micron MicroTec™ Sediment Filter
CF-1-10 1 micron Carbon Block Filter
DI-SB-CI-10 Silica-Buster Color Indicating DI Cartridge
MEM-90-ENC 90 gpd (340 lpd) Encapsulated TFC Membrane
(Membrane and Disposable Housing,
Use 2 for 180 gpd (680 lpd) System)
FR-90 Flow Restrictor for 90 gpd (340 lpd) System
FR-180 Flow Restrictor for 180 gpd (680 lpd) System
GHA-4 1/4” (6.35 mm) Garden Hose Adapter
XWR-UNIV Universal Filter Wrench
System Components
Optional Accessories
Model Optional Part
PGK Pressure Gauge Kit
FAU-SMP Quick Connect Faucet Coupler
TK-CL-25 Total Chlorine Test Kit
VA-FVK-4 Flush Valve Kit
BPHF-MO-115 Hi-Flow Booster Pump, 115V
BPHF-MO-230 Hi-Flow Booster Pump, 230V
ASOFK Auto Shut-Off Valve Float Kit
EPM-4 DI Purity Monitor

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Tips for Long Membrane Life
1. Replacement of 1 micron sediment filter once every 6 months.This will pre
vent membrane fouling due to silt or sediment depositing on the membrane.
2. Replacement of 10 micron carbon block filter at least once every 6 months
or when chlorine breakthrough occurs . This will ensure good membrane life
and protect the membrane from chlorine damage.
3. Membrane should not be operated at lower than the recommended concen
trate to purified water ratios, as described on page 6.
4. Operating reverse osmosis systems on softened feed water greatly reduces
the chances of membrane fouling.
5. Use the optional flush kit valve after each use of the system to extend
membrane life up to 6 months.
Storage
1. It is recommended that you store your Eliminator RO System in a cool
place when not being used.
2. Your Eliminator RO System must be protected from freezing or temperatures
above 100° F (38°C).
Choosing a Mounting Location
When considering a location for the installation of the System, consider the
following factors:
Light Sources
1. Most of the components of this system are plastic and are subject to
damage by ultra-violet light from the sun and other sources such as metal
halide lighting.
2. Algae is more likely to thrive inside the clear filter housings when exposed to
bright light.
3. Avoid installing this unit in bright light or direct sunlight.
Temperature Extremes
1. The unit must be kept out of areas that are subject to freezing temperatures.
2. High temperatures greater than 100° F (38° C) must be avoided. If the unit is
used outside, avoid putting the system in direct sunlight or connecting it to a
garden hose that may be exposed to sunlight.
System Care
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System Specifications
Sediment Pre-Filter 1 micron MicroTec™ sediment pre-filter
Carbon Filter 1 micron carbon block pre-filter
RO Membrane Type Encapsulated thin-film composite
DI Cartridge SilicaBuster™ Color-Indicating Mixed-Bed
Rejection Rate Greater than 98% average
Input Water Pressure 60 psi (4.15 bar) line pressure*
Input Water Temp 77°F (25°C)
Recovery Rate 20% (i.e. 20% of the water will be
collected as pure water)
Nominal Membrane Flow Rates @ 60 psi, 77° F, & 500 ppm TDS :
GPD (lpd) Product Water Flow Rate Concentrate Flow Rate
90 (340) 235 ml/min 940 ml/min
180 (680) 470 ml/min 1880 ml/min
Reverse Osmosis Membrane Feed Water
Requirements
Operating Pressure* 40 – 80 psi (2.75 – 5.5 bar)
pH Range 3 – 11
Temperature Range 38°F – 100° F (3°C – 38°C)
Maximum Turbidity 1.0 NTU
Maximum Silt Density Index 5.0 (based on 15 min. test time)
Maximum Chlorine less than 0.1 ppm
Maximum TDS 2000 ppm
Maximum Hardness 10 grains (170 ppm as CaCO3)
Maximum Iron less than 0.1 ppm
Maximum Manganese less than 0.1 ppm
Maximum Hydrogen Sulfide 0 ppm
Langlier Saturation Index LSI must be negative
*Operating pressure less than 40 psi will require a high flow booster
pump (BPHF-MO-115(230)).
*Operating pressure greater than 80 psi will require a pressure reducing
valve.
System Information

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Fig. A: Single-Membrane Filter Diagram
Encapsulated
TFC RO Membrane
(MEM-90-ENC)
1 micron
Carbon Block
Filter (CF-1-10)
1 micron MicroTec™
Sediment Pre-Filter
(SF-MT-1-10)
System Information
Fig. B: Dual-Membrane Filter Diagram
2 Encapsulated
TFC RO Membranes
(MEM-90-ENC)
1 micron
Carbon Block
Filter (CF-1-10)
1 micron MicroTec™
Sediment Pre-Filter
(SF-MT-1-10)
Silica-Buster
DI Cartridge
(DI-SB-CI-10)
Silica-Buster
DI Cartridge
(DI-SB-CI-10)
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System Troubleshooting Guide
Product Water - Low Production Rate
Cause Corrective Action
Plugged pre-filters Replace pre-filters
Low water temperature Heat feed water or use higher GPD membrane
Low feed pressure Use booster pump or use higher GPD membrane
Fouled membrane Replace membrane
Membrane Troubleshooting Guide
The following chart illustrates the procedure for determination of RO membrane
performance. However, the chart represents only rough guidelines for determin-
ing performance of RO membrane. Depending on your tap water chemistry, the
rejection characteristics of the membrane may vary significantly.
Method of Calculate % Test Results Conclusion
Testing Rejection
TDS/ Measure feed water and Is Rejection No - Replace Membrane
Conductivity RO product water TDS/ greater than Yes - Membrane OK
Tester Conductivity 95% ?
Alkalinity Measure feed water and Is Rejection No - Replace Membrane
Test Kit RO product water greater than Yes - Membrane OK
Alkalinity 90% ?
Hardness *Measure feed water Is Rejection No - Replace Membrane
Test Kit and RO product water greater than Yes - Membrane OK
Hardness 90%?
*Caution: This test is not to be used on softened water sources.
Membrane Testing

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Membrane Output Calculation Example
What is the expected GPD from a 75 GPD System at 40 psi pressure and 60°F
water temperature?
PCF = 40 ÷ 60 = 0.666
TCF = 0.754 (from Table 1)
Expected GPD = 75 × 0.666 × 0.754 = 37.7 GPD ± 15%
Performance Test
The performance of a RO membrane is measured in terms of its rejection charac-
teristics.
Important: Test the quality of the membrane once every 6 months.
Note: This procedure will require a Conductivity Meter (TS-C61).
Procedure:
1. Measure tap water conductivity. (Call it X)
2. Run the system for 15-20 minutes.
3. Rinse test instrument cell 2-3 times with RO water.
4. Measure RO water conductivity. (Call it Y).
5. Subtract RO water conductivity from tap water conductivity. (X - Y)
6. Divide this quantity by tap water conductivity. (X - Y) ÷ X
7. Rejection = [(X - Y) ÷ X ] ×100
* Conductivity in the above procedure could be replaced by hardness, alkalinity,
nitrate, phosphate, silica etc. (measured in ppm or mg/l).
Rejection of the RO Membrane Calculation Example
1. Tap water hardness = 150 ppm (X)
2. RO water hardness = 7 ppm (Y)
3. X - Y = 143 ppm
4. (X - Y) ÷ X = 143 ÷ 150 = 0.953
5. Rejection = [ ( X - Y) ÷ X ] ×100 = 0.953 ×100 = 95.3
Membrane Hardness Rejection = 95.3 % : Membrane OK
Production Rate
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SpectraPure®Inc. assumes no responsibility for water
damage due to leaks. It is the user’s responsibility to determine
that the system is leak-free.
System Start-Up
System Hook-Up
1. Attach the garden hose adapter (black tubing) to your cold water
source. Never run hot water (greater than 100° F (38° C)) through the
system.
2. Place the yellow concentrate (waste) tubing and the blue purified
(product) water tubing into a drain. Do not restrict flow from these lines.
3. Open the cold water supply valve. You may use pressure up
to 80 psi (5.5 bar).
Check the system to ensure that all fittings are tight and leak-
free before leaving the system unattended.
Note: It is recommended that at least 2 gallons (7.57 liters) of puri-
fied water be discarded before collecting purified water for use. If
the unit is not used for several days, run the system for at least 15
minutes before collecting any water.
System Initialization
If you are setting up your system for the first time or replacing a
membrane, p lease see the “ Checking the Concentrate to Purified
Water Ratio” section on page 6 .

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Checking the Concentrate to Purified Water Ratio
This procedure will assure you of maximum life and reliability of
your SpectraPure System.
Failure to perform this procedure can permanently damage the
membranes and will void the pro-rated Membrane Warranty.
In order to maximize the life of your SpectraPure RO Membrane, you may
need to adjust the ratio of the concentrate to purified water. If not enough
concentrate is allowed to flow past the membrane during operation, the
impurities will precipitate out on the membrane surface, clogging the RO
Membrane. To keep this from happening, the Concentrate to Purified Water
Ratio must be checked and adjusted in order to compensate for pressure
and temperature variations that exist in all water supplies. The flow rate of
the concentrate must be a minimum of 4X the product flow rate. 4X to 6X is
an acceptable concentrate flow rate.
Procedure:
1. Open the cold water supply valve and let the system run for
15 minutes.
2. Collect product water from the blue tubing into a measuring cup
for one minute. Measure the collected amount in milliliters. This is
the product flow rate in Milliliters per Minute.
(Although not needed in this proceedure, the daily product
flow rate in Gallons per Day (GPD) can be calculated to be
equal to the product flow rate times 0.38 ).
3. Multiply this value by 4. This is the OPTIMUM concentrate flow
rate in Milliliters per Minute.
4. Collect concentrate water from the yellow tubing into a measur-
ing cup for one minute. Measure the collected amount in milliliters.
This is the ACTUAL concentrate flow rate in Milliliters per Minute.
5. If the actual concentrate flow rate is less than the optimum
concentrate flow rate, you must reduce the length of the flow
restrictor capillary tubing as described on the next page. After
adjusting the flow restrictor, repeat the above procedure and
recheck the Concentrate to Purified Water Ratio.
System Set-Up
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Testing the Quality of the Membrane
Membrane Output Calculation
Membranes produce the rated gallons per day (GPD) at 60 psi (4.1 bars) operat-
ing pressure, 77°F (25°C) operating temperature and 500 ppm total dissolved
solids.
Membrane output gallons per day (GPD) depends on operating pressure, water
temperature and the ppm TDS in the feed water.
Expected GPD = Rated GPD × PCF × TCF
PCF is the pressure correction factor
TCF is the temperature correction factor
Calculation of Pressure Correction Factor (PCF): The output (GPD) from
the membrane is directly proportional to the applied pressure.
Note: The membrane is rated to produce the rated GPD at 60 psi. For any
pressure other than 60 psi the output GPD is multipled by the PCF.
PCF = Line Pressure (in psi) ÷ 60
Calculation of Temperature Correction Factor (TCF): The output (GPD)
also decreases with decrease in temperature. This is because water viscosity
increases with decrease in water temperature.
Temperature Correction Factor Table (TCF)
°F /°C TCF °F \°C TCF °F \°C TCF
41.0 /5 0.521 59.0 /15 0.730 77.0 /25 1.000
42.8 /6 0.540 60.8 /16 0.754 78.8 /26 1.031
44.6 /7 0.560 62.6 /17 0.779 80.6 /27 1.063
46.4 /8 0.578 64.4 /18 0.804 82.4 /28 1.094
48.2 /9 0.598 66.2 /19 0.830 84.2 /29 1.127
50.0 /10 0.620 68.0 /20 0.857 86.0 /30 1.161
51.8 /11 0.640 69.8 /21 0.884 87.8 /31 1.196
53.6 /12 0.661 71.6 /22 0.912 89.6 /32 1.232
55.4 /13 0.684 73.4 /23 0.941 91.4 /33 1.267
57.2/14 0.707 75.2 /24 0.970 93.2 /34 1.304
Production Rate

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19. Snap the dual RO membrane assembly into the holding clips.
20. Reconnect the black membrane feed tubing into the push-fitting on the
carbon pre-filter housing.
21. Reconnect the black membrane feed tubing into the push-fitting on
Membrane 1.
22. Reconnect the yellow concentrate tubing into the push-fitting on
Membrane 2.
Note: The flow restrictor assembly should remain uninstalled at this point
in the process.
23. Put the yellow concentrate tubing and the blue product water tubing in
the drain and turn on the system water supply.
24. Allow the system to flush for several minutes to remove any loose
particles.
25. Turn off the water supply to the system.
26. Depress the collar on the concentrate push-fitting of Membrane 2 with
your thumbnail and remove the yellow concentrate tubing.
27. Replace the flow restrictor assembly into the end of the yellow tubing as
described in the Removal, Adjustment, and Replacement section on
page 7.
28. Turn on the water supply to the system and check for leaks.
29. Check, and if necessary adjust, the Concentrate to Purified Water Ratio
per the procedures described on page 6.
System Maintenance
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System Set-Up
Flow Restrictor Removal, Adjustment, and Replacement
1. Locate the yellow concentrate tubing (Fig. C for Single-Membrane
System or Fig. D for Dual-Membrane System). Remove the tubing from its
push-fitting at the membrane as follows:
a.) Firmly depress and hold the push-fitting collar down with your
thumbnail.
b.) While the push-fitting collar is depressed, pull the tubing straight
out of the push-fitting. Once the tubing is removed, release the collar.
2. Carefully remove the flow restrictor assembly, now visible as a plastic insert
in the end of the yellow tubing (Fig. E). You may use an object such as a dull knife
to help pry the flow restrictor insert from the end of the tubing.
The entire flow restrictor (consisting of the insert plug and thin capillary
tubing) may then be gently extracted.
Note: Take care not to crush or otherwise damage the delicate capillary tubing.
3. Refer to the Flow Restrictor Tables (Fig. F). Find the table that represents the
Flow Restrictor Assembly for the system that you have. Find the optimum
concentrate flow rate in the left-hand column and the length of the
flow restrictor in the right-hand column.
Example: If your Flow Restrictor Assembly is for a 90 GPD Membrane and
the product flow rate is 170 mL/Min, then the flow restrictor length should
be cut to 6.5 inches (16.5 mm). 170 is about halfway between 164 (7 in.)
and 175 (6 in.).
4. Using a new single-edge razor blade, carefully measure and then cut the
flow restrictor to the total length indicated.
5. Re-insert the flow restrictor assembly into the yellow tubing and firmly
re-seat the insert into the end of the yellow tubing by carefully pressing on
the insert with your thumbnail. Care should be taken not to crush or other-
wise damage the end of the capillary tubing protruding from the end of
the insert.

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Fig. C: Single-Membrane Assembly
Top/Rear View
membrane
feed
push-fitting
black
tubing to
membrane
feed
RO membrane yellow concentrate tubing
blue purified
water tubing
black feed
tubing
yellow tubing capillary tubing
plastic insert
Fig. E: Flow Restrictor Assembly
System Set-Up
Fig. D: Dual-Membrane Assembly
Top/Rear View
blue purified
water tubing
Membrane 2
concentrate
push-fitting
yellow concen-
trate tubing
Membrane 1
feed push
fitting
black membrane
feed tubing
mounting
bracket
Membrane 1
Membrane 2
product water tee
carbon filter output
push-fitting
blue product water
interconnect
tubing
Membrane 2
feed push-fitting
black interconnect
feed tubing
Membrane 1 concen-
trate push-fitting
Membrane 1 prod-
uct water push
fitting
black feed tubing
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System Maintenance
7. Depress the collar on the Membrane 1 product water push
fitting with your thumbnail and remove the blue product water inter-
connect tubing.
8. Depress the collar on the Membrane 2 product water push
fitting with your thumbnail and remove the blue product water inter-
connect tubing.
9. Lift the dual RO membrane assembly from the holding clips.
10. Separate the two membranes by depressing the collar on the push
fitting of the concentrate push-fitting on Membrane 1 and pulling the
two membranes apart (see Fig. G).
11. Remove the black interconnect feed tubing that remains connected to
Membrane 2.
12. Remove the double clips from both membranes.
13. Discard the two spent membranes.
Note: Insert all tubing into their respective push-fittings using the follow
ing directions:
a.) Moisten the o-ring seal inside the push-fitting by dripping a few
drops of clean water into the fitting.
b.) Grasp the tubing near the end, and insert the tubing into the
push-fitting. Push the tubing into the fitting until resistance is felt -
approximately 1/2 inch (12.7 mm). The tubing is now resting on the
O-ring seal inside the fitting.
c.) Now firmly push the tubing approximately an additional 1/4
inch (6.35mm) further into the fitting to completely seat the line into
the fitting and O-ring seal.
14. Insert the black interconnect feed tubing into one of the new replace
ment membranes, which will now be designated as Membrane 2.
15. Re-attach the two clips to Membrane 2.
16. Align and inset the black interconnect feed tubing into the concentrate
push-fitting of the other membrane, which is now designated as
Membrane 1.
17. Clamp the two membranes together.
18. Re-attach one blue tubing to Membrane 1 and then the other blue
tubing to Membrane 2.

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System Maintenance
RO Dual-Membrane Replacement
Maintenance Regime: As needed. Refer to the procedure for testing mem-
brane quality on page 19.
Materials Required: 2 Replacement Encapsulated RO Membranes
Procedure:
1. Turn off water supply to the system.
2. Mark, or otherwise note, the locations of the yellow, blue, and black
tubing connected to Membranes 1 and 2 (see Fig. D).
3. Depress the collar on the Membrane 1 feed push-fitting with your
thumbnail and remove the black membrane feed tubing.
4. Depress the collar on the Membrane 2 concentrate push-fitting with
your thumbnail and remove the yellow concentrate
tubing .
5. Remove the flow restrictor assembly from the end of the yellow tubing
as described in the Removal, Adjustment, and Replacement section on
page 7.
6. Place the flow restrictor in a safe location where it will not be acciden-
tally crushed or damaged.
Fig. G: Dual RO Membrane Assembly
Left Side View
Membrane 2
Membrane 1
Membrane 2
feed push
fitting
black inter-
connect feed
tubing
blue product
water
interconnect
tubing
Membrane 1
concentrate
push-fitting
Membrane 1
product water
push-fitting
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System Set-Up
6. Re-insert the yellow tubing into its push-fitting in the RO membrane as
follows:
a.) Moisten the O-ring seal inside the concentrate outlet fitting by dripping
a few drops of clean water into the fitting.
b.) Grasp the yellow tubing near the flow restrictor end, and insert the
tubing into the push-fitting. Push the tubing into the fitting until
resistance is felt, approximately 1/2 inch (12.7 mm). The tubing is now
resting on the O-ring seal inside the fitting.
c.) Firmly push the tubing approximately an additional 1/4 inch
(6.35 mm) further into the fitting to completely seat the line into
the fitting and O-ring seal.
7. Turn on the system water supply and check for leaks prior to further
use or testing. If a leak is observed, you may not have pushed the
yellow tubing into the push-fitting far enough to seal the tubing
against the O-ring. Turn off the system water supply and reseat the
tubing as described above.

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System Set-Up
Fig. F: Flow Restrictor Tables
(For 4:1 Concentrate to Product Ratio)
FR
-
90
ml./min. gpd in. cm.
269 102 1 2.5
233 88 2 5.1
213 81 3 7.6
198 75 4 10.2
183 69 5 12.7
175 67 6 15.2
164 62 7 17.8
154 58 8 20.3
148 56 9 22.9
141 54 10 25.4
136 52 11 27.9
133 50 12 30.5
129 49 13 33.0
128 48 14 35.6
124 47 15 38.1
124 47 16 40.6
PRODUCT RATE CUT TO LENGTH
FR-180
ml./min. gpd in. cm.
490 186 1 2.5
460 175 2 5.1
430 163 3 7.6
400 152 4 10.2
379 144 5 12.7
356 135 6 15.2
344 131 7 17.8
326 124 8 20.3
311 118 9 22.9
300 114 10 25.4
289 110 11 27.9
281 107 12 30.5
270 103 13 33.0
263 100 14 35.6
259 98 15 38.1
256 97 16 40.6
PRODUCT RATE CUT TO LENGTH
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Note: The flow restrictor assembly should remain uninstalled at this
point in the process.
9. Reconnect the short black tube to the membrane feed push-fitting on
the membrane housing.
10. Put the yellow concentrate tubing in the drain and turn on the
system water supply. Allow the system to flush for several minutes to
remove any loose particles.
11. Turn off the water supply to the system. Remove the yellow tubing from
the membrane housing and replace the flow restrictor assembly as
described in the Removal, Adjustment, and Replacement section on
page 6. Re-insert the flow restrictor end of the yellow tubing into its push
fitting at the encapsulated RO membrane.
12. Turn on the water supply to the system and check for leaks. Check, and
if necessary adjust, the Concentrate to Purified Water Ratio per the
procedures described on page 6.
System Maintenance

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14
RO Single-Membrane Replacement
Maintenance Regime: As needed. Refer to the procedure for testing mem-
brane quality on page 19.
Materials Required: Replacement Encapsulated RO Membrane
Procedure:
1. Turn off water supply to the system.
2. Mark, or otherwise note, the locations of the yellow, blue, and
black tubing connected to the encapsulated RO membrane
(see Fig. C).
3. Depress the collar on the membrane feed push-fitting with your
thumbnail and pull the black feed tubing from the fitting. This is the
line that runs between the carbon filter and the encapsulated RO
membrane.
4. Lift the encapsulated RO membrane from the holding clips.
5. Remove the yellow and blue tubing from the encapsulated RO
membrane by depressing their push-fittings with your thumbnail
and pulling the tubing from the fittings.
6. Remove the flow restrictor assembly from the end of the yellow
tubing as described in the Removal, Adjustment, and Replace
ment section on page 7.
7. Place the flow restrictor in a safe location where it will not be
accidentally crushed or damaged.
8. Re-insert the blue and yellow tubing into their respective push-
fittings on your replacement encapsulated membrane, as described
in the Removal, Adjustment, and Replacement section on page
7. Snap the membrane assembly back into its holding clips.
System Maintenance
RO Membrane Replacement
If you have a Single-Membrane System (Fig. A), follow the direc-
tions on this page. If you have a Dual-Membrane System (Fig. B),
follow the directions on page 16.
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Notes
Sediment Pre-Filter Replacement
Maintenance Regime: For maximum contaminant removal and long mem-
brane life, the sediment and carbon pre-filters must be changed at 6-month
intervals. If your water contains a great deal of sediment or chlorine, the pre-filters
may require more frequent changes to maintain adequate production rate and
extended membrane life.
Materials Required: 1 micron MicroTec™ Sediment Filter (SF-MT-1-10)
Procedure:
1. Turn off water supply to the system.
2. Refer to photo on page 4. Using the provided filter wrench,
remove the left clear sediment pre-filter housing. Unscrew it
counterclockwise as viewed from the bottom
3. Remove the old filter from the housing and discard.
4. Thoroughly wash the housing with a mixture of hot soapy water
and a few teaspoons of household bleach. Rinse well with clean
hot water.
5. Install the new pre-filter into the housing, screw the housing
back onto the assembly, and tighten securely using the supplied
filter wrench.
6. Proceed with carbon block filter replacement.

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Carbon Block Filter Replacement
Maintenance Regime: At least every 6 months or when chlorine break-
through greater than 0.1 ppm occurs in the concentrate from yellow line. To
test for chlorine breakthrough , collect a 10 ml sample of the concentrate from
the yellow tubing and test the chlorine concentration using test kit TK-CL-25. If
the chlorine concentration is above 0.1ppm, replace the carbon pre-filter.
Materials Required: 1 micron Carbon Block Filter (CF-1-10)
Procedure:
1. Turn off water supply to the system.
2. Refer to photo on page 4. Using the provided filter
wrench, remove the right clear carbon block filter
housing. Unscrew it counterclockwise as viewed from
the bottom.
3. Remove the old filter from the housing and discard.
4. Thoroughly wash the housing with a mixture of hot
soapy water and a few teaspoons of household bleach.
Rinse well with clean hot water.
5. Install the new carbon block filter, making sure that
the black gaskets on both ends of the filter are firmly
seated in the gasket recesses.
6. Screw the housing back onto the assembly, and tighten
securely using the supplied filter wrench.
7. Turn on system water supply and check for leaks.
System Maintenance
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System Maintenance
Deionization Cartridge Diagnostic
The DI stage is an anion cartridge #DI-SB-CI-10. In order to determine
the condition of the cartridge, watch for the color to change from
the bottom to the top. The color will change from a very dark blue to
a lighter blue or tan color. Once the cartridge has changed color by
70 to 80% it must be replaced. Failure to replace the DI cartridge
upon exhaustion will contaminate the product water.
Note: If the pH of your tap water is too high, the resin may not
change color.
Deionization Cartridge Replacement
Materials Needed: One DI-SB-CI-10 Deionizaton cartridge,
filter wrench.
Procedure:
1. Remove the filter housing from its cap by unscrewing it counter
clockwise as viewed from the bottom.
2. Remove and discard the old cartridge from the housing.
3. Thoroughly wash out the housings with hot soapy water to
which a few teaspoons of household bleach have been added.
Rinse well with clean hot water.
4. Install the new deionization cartridge. Make sure the cartridge is
installed in the correct direction as marked on the filter housing
and that the top seal is securely attached to the top of the
cartridge
5. Re-install the bottom housing onto the cap by rotating it clock-
wise and tighten with the wrench.
6. Turn on system and check for leaks.