SpectraPure®
REPLACEMENT PARTS
Model
Replacement Part
SF-MT-0.5-10
CF-0.5-10
.5 micron MicroTec™ Sediment Filter
.5 micron Carbon Block Pre-Filter
The MAXCAP RO/DI™ System
MEM-90,150
90 or150 gpd Membrane (2) 150gpd membranes
make 300 GPD
Reverse Osmosis/Ion Exchange Water
Purification System
FR-90
Flow Restrictor for 90 gpd System
Flow Restrictor for 150 gpd System
Flow Restrictor for 300 gpd System
FR-150
FR-300
(Single or Dual Membrane Model)
DI-MC-10
DI-SB-10
MAXCAP DI ™ Cartridge
SilicaBuster ™ DI Cartridge
GHA-4
1/4” (6.35 mm) Garden Hose Adapter
Filter Wrench
XWR-UNIV
Optional Accessories
Model
Optional Part
FAU-SMP
TK-CL-10
VA-FVK-4
Quick Connect Faucet Coupler
Total Chlorine Test Kit
Flush Valve Kit
BPLF-MO-115 Low-Flow Booster Pump, 115V
BPLF-MO-230 Low-Flow Booster Pump, 230V
BPHF-MO-115 Hi-Flow Booster Pump, 115V
BPHF-MO-230 Hi-Flow Booster Pump, 230V
INSTALLATION AND OPERATING
MANUAL
See our Catalog or our Web Site for Liquid Level
Controls and other Optional Accessories
WARNING
Please read carefully before proceeding with installation. Failure to
follow any attached instructions or operating parameter may lead to
the product’s failure and possible damage to property.
REV 01-08-2007
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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?
TERMS AND CONDITIONS OF SALE
1. Shipping charges on units or parts submitted to our facility for repair or
replacement must be borne by the registered purchaser. After repair or
replacement, the factory will return the unit or part freight prepaid to the
customer.
PCF = 40 ÷ 60 = 0.666
TCF = 0.754 (from Table 1)
Expected GPD = 75 × 0.666 × 0.754 = 37.7 GPD ± 15%
2. We assume no warranty liability in connection with our equipment other than as
herein specified.
37.7 GPD would be the Actual Production Rate
Performance Test
The performance of a RO membrane is measured by its ability to reject salts
(or TDS (Total Dissolved Solids)).
3. This warranty is in lieu of all other warranties expressed or implied, including
warranties of fitness for a particular purpose.
4. We do not authorize any person or representative to assume for us any other
oblligation on the sale of our equipment. This is the exclusive remedy and liability
for consequential damages under any and all warranties which are excluded to
the extent exclusion is permitted by law.
Important: Test the quality of the membrane once every 6 months.
Note: This procedure will require a Conductivity Meter (TS-C61) or TDS Meter (TS-T71).
Procedure:
1. Measure tap water conductivity. (Call it X)
5. Proof of original purchase date must accompany all warranty claims.
2. Run the system for 15-20 minutes.
3. Rinse test instrument cell 2-3 times with RO water.
6. SpectraPure, Inc. reserves the right to change prices without notice when
necessary. All prices in the catalog are quoted in US dollars.
4. Measure RO water conductivity directly from the blue product
water line. (Call it Y).
7. Claims for error in quantity or condition must be made within 10 days of receipt
of material. SpectraPure, Inc. will not be responsible for any claimed shortages
not reported within 10 days. Returns other than warranty claims may be subject
to 20% restocking fee.
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).
8. SpectraPure, Inc. cannot be held liable for damage or loss to a shipment by a
freight carrier. Check shipment for damage before acceptance or note on freight
bill subject to inspection for concealed damage. Consignee must file claim.
SpectraPure, Inc. will offer as much assistance as possible.
Rejection of the RO Membrane Calculation Example
1. Tap water hardness = 150 ppm (X)
2. RO water hardness = 7 ppm (Y)
9. A complete credit check is required prior to shipping on a Net 30 or “C.O.D. -
CUSTOMER CHECK ACCEPTABLE” basis. In the interim period during which credit
references are being evaluated, all orders must be shipped “C.O.D. - CERTIFIED
FUNDS” (cash, cashiers check or money order).
3. X - Y = 143 ppm
4. (X - Y) ÷ X = 143 ÷ 150 = 0.953
5. Rejection = [ ( X - Y) ÷ X ] ×100 = 0.953 ×100 = 95.3
10. All returned checks (due to insufficients funds or closed accounts) will be
subjected to a $25 service charge.
Membrane Hardness Rejection = 95.3 % : Rejection rates less than 95% may
indicate that the membrane should be replaced.
Invoices on Net 30 accounts not paid within 30 days of shipment will be considered delinquent and
will accure Finance charges at the rate of 1.5% per month (18% per annum).
SpectraPure®Inc. 480.894.5437 Call us toll-free 1.800.685.2783
SpectraPure®Inc. Fax 480.894.6109 Fax us toll-free 1.877.527.7873
2167 East Fifth St, Tempe, Arizona 85281
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SYSTEM SPECIFICATIONS
TESTING THE PERFORMANCE OF THE MEMBRANE
Sediment Pre-Filter
Carbon Filter
RO Membrane Type
DI Cartridges
0.5 micron MicroTec™ sediment pre-filter
0.5 micron carbon block pre-filter
Thin-Film Composite (TFC)
MAXCAP DI ™
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.
SilicaBuster™ DI
Rejection Rate
Greater than 98% average
60 psi (4.15 bar) line pressure*
77°F (25°C)
20% (i.e. 20% of the water will be
collected as pure water)
Membrane output gallons per day (GPD) depends on operating pressure, water
temperature and the ppm TDS in the feed water.
Input Water Pressure
Input Water Temp
Recovery Rate
Expected GPD = Rated GPD × PCF × TCF
PCF is the pressure correction factor
TCF is the temperature correction factor
Nominal Membrane Flow Rates @ 60 psi & 77° F :
GPD (lpd)
90 (340)
150 (340)
300 (680)
Product Water Flow Rate
235ml/min
Concentrate Flow Rate
940 ml/min
Calculation of Pressure Correction Factor (PCF): The output (GPD) from
the membrane is directly proportional to the applied pressure.
235ml/min
470ml/min
940 ml/min
1880 ml/min
Note: The membrane is rated to produce the rated GPD at 60 psi. For any pres-
sure other than 60 psi the output GPD is multipled by the PCF.
Reverse Osmosis Membrane Feed Water Requirements
For the 1 year SpectraSelect TFC membrane pro-rated warranty to be honored, the
following conditions must be met:
PCF = Line Pressure (in psi) ÷ 60
Operating Pressure*
pH Range
40 – 80 psi (2.75 – 5.5 bar)
3 – 11
100° F (38° C)
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.
Maximum Temperature
Maximum Turbidity
Maximum Silt Density Index
Maximum Chlorine
Maximum TDS
1.0 NTU
5.0 (based on 15 min. test time)
less than 0.1 ppm
2000 ppm
Temperature Correction Factor Table (TCF)
°F /°C
TCF
°F \°C
TCF
°F \°C
TCF
41.0 /5
42.8 /6
44.6 /7
46.4 /8
48.2 /9
50.0 /10
51.8 /11
53.6 /12
55.4 /13
57.2/14
0.521
0.540
0.560
0.578
0.598
0.620
0.640
0.661
0.684
0.707
59.0 /15
60.8 /16
62.6 /17
64.4 /18
66.2 /19
68.0 /20
69.8 /21
71.6 /22
73.4 /23
75.2 /24
0.730
0.754
0.779
0.804
0.830
0.857
0.884
0.912
0.941
0.970
77.0 /25
78.8 /26
80.6 /27
82.4 /28
84.2 /29
86.0 /30
87.8 /31
89.6 /32
91.4 /33
93.2 /34
1.000
1.031
1.063
1.094
1.127
1.161
1.196
1.232
1.267
1.304
Maximum Hardness
Maximum Iron
Maximum Manganese
Maximum Hydrogen Sulfide
Langlier Saturation Index
*Operating pressure less than 40 psi will require a booster pump:
less than 49 GPD use BPLF-MO-115(-230),
more than 49 GPD use BPHF-MO-115(-230).
*Operating pressure greater than 80 psi will require a pressure reducing valve.
10 grains (170 ppm as CaCO3)
less than 0.1 ppm
less than 0.1 ppm
0 ppm
LSI must be negative
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CHOOSING A MOUNTING LOCATION
SYSTEM DESCRIPTION
The MAXCAP DI ™ system is a five stage reverse osmosis de-ionization system.
When considering a location for the installation of the
RO System, consider the following factors:
1. First, the incoming feed water is passed through a 0.5 micron
Micro-Tec sediment pre-filter. This filter is required to remove
excess turbidity (particulate matter) that may cause the carbon
block filter to plug.
Light Sources
1. Most of the components of this system are plastic and
are subject to damage by ultraviolet light from the sun
and other sources such as metal halide lighting.
2. The second stage of filtration is a 0.5 micron carbon block pre-filter. This filter
removes organics and chlorine from the feed water that can damage the
membrane.
2. Algae is more likely to thrive inside the clear filter housings
when exposed to bright light.
3. The third filtration stage of the system is a high rejection thin
film composite (TFC) reverse osmosis membrane. It removes over
98% of most inorganic salts, all micro-organisms and organics
above 100 diatoms molecular weight.
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.
4. The fourth and fifth stage filter is our MAXCAP DI ™ cartridge followed by
SpectraPure’s SilicaBuster ™ cartridge.
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
The MAXCAP DI ™ system comes equipped with two Dual Inline TDS monitors.
The first monitor shows TDS levels of pre-and post- RO membrane water. The
second monitor helps detect the exhaustion points of the DI stages.
garden hose that may be exposed to sunlight.
The MaxCap DI™ is used as a “roughing” cartridge followed by our original
SilicaBuster™ . For example, if the RO water has 25 ppm TDS (Total Dissolved
Solids) entering a SilicaBuster™ cartridge alone, it may only process about 200
gallons of pure DI water. By placing a MaxCap DI ™ cartridge in front of the
SilicaBuster™ cartridge, 600 gallons of water will pass through both cartridges
before the Max Cap DI ™ is exhausted. The SilicaBuster™ DI cartridge will be only
one-third exhausted. A second Max Cap DI ™ will process another 600 gallons
and the SilicaBuster™ cartridge will now be two-thirds exhausted. Only after a
third Max Cap DI ™ cartridge processes another 600 gallons will the
SilicaBuster™ cartridge finally become fully exhausted.
TIPS FOR LONG MEMBRANE LIFE
1. Replacement of .5 micron sediment filter once every 6
months. This will prevent membrane fouling due to silt or
sediment depositing on the membrane.
2. Replacement of .5 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 concentrate to purified water ratios, as
described on page 9-10.
This example illustrates that three Max Cap DI ™ cartridges plus the original
mixed-bed cartridge will process 1800 gallons of pure DI water. It would have
taken nine original mixed-bed cartridges to produce the same amount of pure DI
water.
4. Operating reverse osmosis systems on softened feed
water greatly reduces the chances of membrane fouling.
IMPORTANT NOTE:If you are starting up this system for the first
time, or replacing either DI cartridge, it is very important that you
follow the directions on page 8, “System Initialization”.
5. Use the optional flush valve kit after each use of the system to help
extend membrane life.
SpectraPure®Inc. 480.894.5437 Call us toll-free 1.800.685.2783
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Fig. A: System Components
USING THE PRESSURE GAUGE
The pressure gauge is used to monitor the condition of the Sediment and Carbon
Pre-Filters. With the Sediment and Carbon filters removed, the gauge will indicate
the “actual” input water tap water pressure. When the prefilters are “new”, the
pressure shown on the gauge will be slightly less than the actual tap water
pressure and as the filters age the pressure will drop due to the dirt that will
collect in the prefilters. When the pressure on the gauge drops below 40-PSI or as
the filters collect particulates and the pressure drop is greater than 15% to 20% of
the normal water pressure, the pre-filters are in need of replacement.
(2) TDS
TFC RO Membrane
(MEM-150)
Monitors
Pressure
Guage
.5 micron
MicroTec™
Sediment
Pre-Filter
(SF-MT-.5-
10)
DI
Cartridge #1
DI-MC-10
NOTE: When the pressure on the pressure gauge drops below the normal
readings; do not “assume” that the sediment filter is the only cause. In some
geographical areas where the input water contains a high percentage of very
small micron particulates, the carbon filter may become clogged before the
sediment filter. (The filters may look “new” but still cause the water pressure to
drop). Do not judge the condition of the prefilters by their color, always use the
pressure gauge to determine the condition of the prefilters.
.5 micron
Carbon
DI
Cartridge #2
DI-SB-10
Block Pre-
Filter (CF-.5-
10)
MAINTENANCE
The maintenance and trouble-shooting procedures have been made easy and
effective with a combination of the Pressure gauge and two dual Inline TDS
meters.
- When there is a pressure drop of 15% of your normal house
pressure that is an indication that your pre-filters need to be
replaced.
- The TDS monitors will let you know when the TDS level rises. All
our membranes have a 98% rejection. When the TDS level starts
to rise the % rejection will decrease. You should replace the
membrane before the % rejection gets to 90%.
METERING AND DIAGNOSITCS
This SpectraPure purification system has been fully equipped with sufficient instrumentation
to make monitoring and troubleshooting an easy process. The provided pressure gauge is
used to determine the tap water pressure and to evaluate the condition of the sediment
and carbon prefilters.
(The pressure will drop as the pre-filters become clogged by dirt [turbidity] from the tap
water).
It is highly recommended that one set of Sediment and Carbon
replacement filters should be on hand and ready for installation as soon as the
fist monitor indicates that a cartridge change or replacement is required. We do
not recommend that you have a replacement
The digital TDS meter (left side) will provide a reliable means of evaluating the efficiency of
the RO membrane. This meter will indicate the tap water conductivity and the RO water
conductivity. The difference between the two meter readings will be used to calculate the
percentage of rejection of the (TFC) RO membrane.
membrane and DI because they do have a shelf life.
The Digital TDS meter (right side) will be used to determine the condition of the two stages
of the DI system. As the reading on the meter begin to increase, the operator will be alerted
to the possibility that the DI system may have deteriorated past the exhaustion point and
that the DI cartridges may need to be replaced.
STORAGE
1. It is recommended that you store your RO System in a cool place
when not being used.
2. Your RO System must be protected from freezing or temperatures
above 100° F (38°C).
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TROUBLESHOOTING GUIDE FOR RO/DI SYSTEMS
DM-1 Specifications:
Range 0-1999 PPM
Resolution 1PPM (1-999 PPM)
1.
Low production rate:
Accuracy
2%
Probe
¼’’
a.
b.
c.
d.
e.
f.
plugged pre-filters.
i. Replace pre-filters.
Power Source
(2) 1.5V button batteries
Battery life
Approx 1000 hours
low water temperature. ii. Heat feed water OR use higher GPD membrane.
For service or repair of these monitors, please send to:
HM DIGITAL, INC
low line pressure.
high TDS content.
fouled membrane.
iii. Use booster pump OR use higher GPD membrane.
iv. Use booster pump OR use higher GPD membrane.
v. Clean or replace membrane to restore flux.
5819 Uplander Way
Culver City, CA 90230
plugged flow restrictor. vi. Replace flow restrictor & membrane.
2.
Zero production rate:
TESTING THE RO MEMBRANE REJECTION RATE
a.
b.
Missing flow restrictor.
Dried RO membrane.
i.
ii.
Put flow restrictor in the yellow line.
Try to restore flux by soaking in rubbing alcohol
OR replace the membrane.
Procedure:
1. First, make sure that the system has been turned on and producing
water (filling the tank) for 15-20 minutes. (The pressure gauge should
be reading > 40-PSI during this time).
c.
Plugged flow restrictor. iii. Replace flow restrictor and replace
the membrane.
2. Turn on the meter by depressing the “ON” switch then locate the slide
switch on the front of the meter.
3.
4.
Extremely high production rate:
a.
b.
Ruptured membrane.
Very high line pressure (> 80 psi).
i.
ii.
Replace
Use a pressure reducing valve.
A. Measure the tap water conductivity by sliding the switch to
the Left. (Call it X)
B. Measure RO water conductivity by sliding the switch to the
Right. (Call it Y).
C. Subtract RO water conductivity from tap water conductivity.
(X - Y)
D. Divide this quantity by tap water conductivity. (X - Y) ÷ X
E. Rejection = [(X - Y) ÷ X ] ×100
Pressure gauge does not register pressure when the system is “ON”:
a.
Missing flow restrictor.
i.
Put flow restrictor in the yellow
line.
b.
Pressure gauge screwed in too far.
ii.
Unscrew pressure gauge one
turn and retest.
c.
d.
Plugged pressure gauge orifice.
Defective pressure gauge.
iii. Clean orifice with a needle.
iv. Replace it.
* Conductivity in the above procedure could be caused by hardness,
alkalinity,nitrate, phosphate, silica etc. (The measurement is in ppm or mg/l).
5.
Low deionization cartridge life:
Rejection of the RO Membrane Calculation Example
a.
b.
c.
Defective membrane.
Low pressure (< 40 psi).
High CO2 levels in water (> 5 ppm).
i.
Replace it.
ii. Use booster pump.
iii. Aerate RO product water or use a
straight anion cartridge ahead of
DI cartridge. (Call Technical
Support)
iv. NO EASY SOLUTION.
v.
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
d.
e.
High TDS in feed water (> 1000 ppm).
High levels of silica, nitrates,
Use straight anion cartridge
ahead of mixed-bed for
phosphates etc. in tap water.
Membrane Hardness Rejection = 95.3 % : Rejection rates less than 95% may
indicate that the membrane should be replaced.
As a general rule; the RO membrane would be considered to be in good
condition when the rejection rate is = to or > 95%.
f.
Bad or faulty DI cartridge.
g. High pH tap water (> 9.0).
vi. Acidify feed water to the RO
membrane to improve its
rejection.
NOTE: There are many variables in the input (Tap) water chemistry that may
affect the rejection rate of the RO membrane. (If, after testing the membrane,
there are questions regarding its condition, please call our Technical Support staff
for assistance).
h. Faulty monitor/probe.
Test and Replace if required.
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Reconnect the tubing to the membrane housing. Place the
flow restrictor in a safe location where it will not be accidentally
crushed or damaged.
SYSTEM INITIALIZATION
If you are setting up your system for the first time or replacing the
RO membrane, please see the “Checking the Concentrate to
Purified Water Ratio” .
11. Put the yellow concentrate tubing and the blue product
water tubing in the drain and turn on the system water supply.
Allow the system to flush for several minutes.
1. IMPORTANT: During the initial rinse-up of the MAXCAP RO/DI ™, a large ionic load is
presented to the downstream DI cartridges. Be sure to rinse up all new
12. Turn off the water supply to the system. Remove the yellow
tubing from the membrane housing and replace the flow restrictor.
MAXCAP DI ™ with the downstream cartridge removed. This rinsing step will
ensure that the MAXCAP DI ™ cartridge is initially rinsed up to produce high quality
water before connecting your downstream cartridge. Failure to rinse this upstream
MAXCAP DI ™ cartridge may reduce the lifetimeof your downstream DI cartridge.
13. Re-insert the flow restrictor end of the yellow tubing into
its push-fitting at the RO membrane and reconnect the yellow
concentrate tubing to the membrane housing.
2. Remove the SilicaBuster ™ DI cartridge from the right-most housing and re-install the
empty housing on the system. Attach garden hose adapter to your cold water source.
Never run hot water (greater than 100 F (38 C)) through the system.
14. 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.
3. Place the yellow concentrate tubing and the blue purified water tubing into a drain or
bucket. Do not restrict flow from these lines.
4. Slowly open the cold water supply valve and allow the housings to fill. You may use
pressure up to 80 psi (5.5 bar). If the pressure is less than 40-PSI, a booster pump will
be required. If the pressure is greater than 80- PSI, a pressure regulator will be
required. (See “Optional Items” for the part numbers).
Fig. F: Removing the Membrane Element
5. Turn on both TDS meters. Set the left-side meter to “OUT” (Post-RO and Pre-
MAXCAP DI ™). Set the righ-side meter to “IN” (Post-MAXCAP DI ™).
black
membrane
housing
O-ring
6. When the right-side meter reads zero, turn the cold water feed off and place the
SilicaBuster™ DI cartridge back into its housing.
7. Turn the cold water feed back on and run the system until the “OUT” probe of the
rigt-hand meter reads zero.
8. Now test the concentrate to purified water ratio on page 9-12.
membrane
product
water tube
black
membrane
brine seal
CHECK:
- Ensure that all fittings are tight and leak-free before leaving the system
unattended.
- The concentrate line (yellow) includes a smaller capillary tube (flow restrictor)
that is located “inside” of the tubing. Do not remove or discard this restrictor;
the system will not produce permeate water without the flow restrictor.
- All of the following conditions must be met before water will flow through the
system. The water source must be turned “ON” and the water level in the
reservoir tank must be below the low level float, if present.
Fig. G: Inserting the New Membrane Element
double
O-ring end of
membrane
product
Note: It is recommended that at least 2 gallons (7.57 liters) of purified 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.
water stem
tube
Upon start-up, air may be trapped in the DI cartridges (housing may not appear full), this is
a normal condition and it will not affect the operation of the DI system.
SpectraPure®Inc. 480.894.5437 Call us toll-free 1.800.685.2783
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CHECKING THE CONCENTRATE TO PURIFIED WATER RATIO
RO MEMBRANE REPLACEMENT
This procedure will assure you of maximum life and reliability of your SpectraPure System.
Failure to perform this procedure can permanently damage the membrane and will void
the pro-rated Membrane Warranty.
1. Turn off the water supply to the RO system. Place the system
where the membrane housing is easily accessible.
2. Remove the black tubing from the membrane feed push-fitting
by depressing the collar on the fitting with your thumb and pulling
the tubing from the push-fitting (Fig E).
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 Puri-
fied 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.
3. Lift the membrane housing from the retention clips.
4. Unscrew the membrane housing lid. This may require two people.
5. Use a pair of pliers to grasp the membrane stem and pull the
membrane from the housing (Fig. F).
Procedure:
1. Open the cold water supply valve and let the system run for 15 minutes. Direct
both tube down the drain.
6. Remove the black housing O-ring (Fig. F). Wash the empty housing
with soapy water. Rinse thoroughly with hot, clean water.
2. Collect product water from the blue tubing into a measuring cup for one minute.
Measure the collected amount in milli-liters. Do the same with the waste water
from the yellow line.
7. Insert new membrane into the housing, with the double
O-ring end first (Fig. G). The tube must fit into the recess at the
bottom of the membrane housing. When the membrane is aligned
with the hole, firmly push the membrane into the hole until it
bottoms out.
WASTE (YELLOW) IN MILILITERS______________
DIVIDED BY
PRODUCT (BLUE) IN MILILITERS______________
The resultant is the Concentrate to Product Ratio
8. Place the black housing O-ring on the housing rim and carefully
screw the lid back on to the base.
9. Reconnect the black tubing to the membrane feed push-fitting.
(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 ).
Note: If you have a dual-membrane system, perform steps 2 thru 9 on
the second membrane now.
3. If ratio is less than 4:1
Disconnect yellow drain line from the membrane housing and then remove flow restrictor.
Use the appropriate Flow Restrictor Chart to determine how long to cut the flow restrictor
in order to obtain a 4:1 ratio. ( Figure B)
10. Disconnect the yellow concentrate tubing (Fig.C) from the
membrane housing and remove the flow restrictor (Fig. D) from the
yellow tubing (Refer to the procedure on page 11-12).
* Please refer to pages 11-12 for Flow Restrictor Removal, Adjustment, and Replacement. *
Fig. E: Membrane Housing
4. If ratio is greater than 6:1, flow restrictor requires replacement (Please contact
membrane feed
push-fitting
blue product
water tubing
SpectraPure Inc).
black feed tubing
5. Turn on feed supply.
6. Check for Leaks.
7. This completes the procedure.
NOTE: WHEN TESTING AND ADJUSTING THE RATIO THE WATER PRESSURE
SHOULD BE BETWEEN 40-80 PSI.
membrane housing lid
yellow concentrate tubing
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Fig. B: Flow Restrictor Tables
(For 4:1 Concentrate to Product Ratio)
RO MEMBRANE DIAGNOSTICS
Although RO membranes are capable of maintaining high water quality
over extended periods of time they eventually will begin to deteriorate.
Normally, the conductivity of the permeate water will increase as the
membranes age. By comparing the difference in TDS readings between
the Tap water conductivity and the RO water conductivity, the per-
centage of rejection of the RO membrane may be calculated and the
resultant number may then be used to determine the condition of the
membrane and thus the operator will know when the membrane needs
to be replaced. Membrane failure will be indicated by a reduction of the
percentage of rejection which will be determined by calculating the dif-
ferential between the input and output numbers.
(YELLOW or WHITE)
FR-90
PRODUCT RATE
CUT TO LENGTH
ml./min.
269
233
213
198
183
175
164
154
148
141
136
133
129
128
124
124
gpd
102
88
81
75
69
67
62
58
56
54
52
50
49
48
47
47
in.
1
2
3
4
5
6
7
8
cm.
2.5
5.1
7.6
10.2
12.7
15.2
17.8
20.3
22.9
25.4
27.9
30.5
33.0
35.6
38.1
40.6
9
In order to accurately determine the condition of the RO Membrane, a
conductivity tester (TDS meter) capable of reading the tap water
conductivity and the permeate water conductivity has been provided
with this system. With the assistance of the TDS meter you will be able to
easily determine the RO membrane’s condition. (see page 7)
10
11
12
13
14
15
16
Before performing the diagnostic test on the RO membrane, make sure
that the RO system has been “ON” and producing pure water for a mini-
mum of 10 minutes. Also check the brine (yellow) line to make sure that
water is flowing and that the flow ratio between the permeate water
and the brine water is at a ratio that is > 4 to 1. ( See Page 9). (NOTE: The
pressure gauge should indicate a pressure reading of > 40 PSI during this
15-20 minute test period.
(GREEN)
FR-180
PRODUCT RATE
CUT TO LENGTH
in.
1
2
3
4
5
6
7
ml./min.
490
460
430
400
379
356
344
326
311
300
289
281
270
263
259
256
gpd
186
175
163
152
144
135
131
124
118
114
110
107
103
100
98
cm.
2.5
5.1
7.6
10.2
12.7
15.2
17.8
20.3
22.9
25.4
27.9
30.5
33.0
35.6
38.1
40.6
Procedure:
1. Turn on the meter 1 by depressing the on switch.
2. Locate the meter slide switch on the front of the DM-1 TDS meter.
8
9
10
11
12
13
14
15
16
3. Slide the switch to the “Left” and read the Tap water conductivity then
record the reading ________ .
4. Next, slide the switch the to “Right” and read the permeate water
conductivity then record the reading ________.
97
5. See page 7 on “TESTING THE RO MEMBRANE REJECTION RATE ”
SpectraPure®Inc. 480.894.5437 Call us toll-free 1.800.685.2783
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FLOW RESTRICTOR REMOVAL, ADJUSTMENT
AND REPLACEMENT
MAXCAP RO/DI™ MAINTENANCE AND REPLACEMENT
Procedure:
1. Locate the yellow concentrate tubing (Fig. C ). Remove the tubing from its push-fitting
at the membrane as follows:
1. When the reading on the right-hand TDS meter (set to “IN”) displays 75%
of the reading on the left-hand TDS meter (set to “OUT”), it is time to
replace the MAXCAP DI ™ cartridge.
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. Follow the directions on page 8 to replace the MAXCAP DI ™
cartridge.
3. Make sure the DI cartridge is installed in the correct direction as marked
on the cartridge shell and be sure that the top seal is securely attached to
the top of the cartridge.
4. Tighten the cartridge housing by rotating it clockwise and hand tighten.
5. Turn on system and check for leaks.
SilicaBuster™ MAINTENANCE AND REPLACEMENT
2. Carefully remove the flow restrictor assembly, now visible as a plastic insert In the end
of the yellow tubing (Fig. D). 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 coller and thin capillary tubing) may then be gently extracted.
Procedure:
1. When the reading on the right-hand TDS meter (set to “OUT”) displays
Note: Take care not to crush or otherwise damage the delicate capillary tubing.
“001”, it is time to replace the SilicaBuster
™
DI cartridge.
3. Refer to the Flow Restrictor Tables (Fig. B). Find the table that represents the
Flow Restrictor Assembly for the system that you have. Find the product
flow rate in the left-most column and the length of the flow restrictor in the
right-most column.
2. Follow the directions on page 8 to replace the SilicaBuster
™
DI cartridge.
3. Make sure the DI cartridge is installed in the correct direction as marked
on the cartridge shell and be sure that the top seal is securely attached to
the top of the cartridge.
Example: If your Flow Restrictor Assembly is for a 150 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. Tighten the cartridge housing by rotating it clockwise and hand tighten.
5. Turn on system and check for leaks.
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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6. Re-insert the yellow tubing into its push-fitting in the RO membrane as
follows:
SEDIMENT PRE-FILTER REPLACEMENT
For maximum contaminant removal and long membrane life, the sediment
pre-filter must be changed when a 15-20% drop in pressure is observed OR at
least 6-month intervals. If your water contains a great deal of sediment the
pre-filter may require more frequent changes to maintain adequate production
rate and extended membrane life.
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.
Sediment Pre-Filter Replacement
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.
Materials Required: 0.5-micron MicroTec™ Sediment Filter (SF-MT-0.5-10),
Filter Wrench
Procedure: (FIRST FILTER ON LEFT)
1. Turn off water supply to the system.
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.
2. Refer to photo on page 6. Using the provided filter wrench, remove
the first housing on the left. Unscrew it counterclockwise as viewed
from the bottom.
3. Remove the old filter and discard.
Fig. C: Reverse Osmosis Assembly
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.
Top/Rear View
yellow concentrate tubing
5. Install the new pre-filter into the housing, Screw the housing back onto the
assembly, and hand tighten only.
RO membrane
(Waste Water)
NOTE: Do not use filter wrench to tighten housings. Over-tightening will
damage housings and void your warranty.
membrane
feed
blue purified water
tubing
(Good Water)
push-fitting
6. Proceed with carbon block filter replacement.
CARBON BLOCK FILTER REPLACEMENT
black
tubing to
membrane
feed
black feed water
tubing
For maximum contaminant removal and long membrane life, the carbon
pre-filter must be changed at least ever 6-month or when chlorine breakthrough
greater than 0.1 ppm occurs in the yellow concentrate line. Test for chlorine
breakthrough by collecting a 10 ml sample of the concentrate from the yellow
tubing and test the chlorine concentration using test kit TK-CL-10. If the chlorine
concentration is above 0.1ppm, replace the carbon pre-filter.
(Tap Water)
Fig. D: Flow Restrictor Assembly
capillary tubing
yellow tubing
Materials Required: 0.5 micron Carbon Block Filter (CF-0.5-10), Filter Wrench,
Chlorine Test Kit (TK-CL-10)
plastic insert
Procedure: (SECOND FILTER ON LEFT WHEN FACING SYSTEM)
1. Perform steps 1-5 listed above
2. Turn on system water supply and check for leaks.
SpectraPure®Inc. 480.894.5437 Call us toll-free 1.800.685.2783
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