Clean Water Systems 7500-REV4 User manual

7500-REV4 Carbon Filter Installation Guide
Thank you for purchasing a Clean Water System! With proper installation and a
little routine maintenance your system will be providing chlorine free water for
many years.
Please review this start‐up guide entirely before beginning to install your system,
and follow the steps outlined for best results.
Minimum pressure of 30 PSI recommended.
Maximum pressure recommended 80 PSI.
For indoor installation only.
Protect from sunlight, rain, and freezing.
CARBON MEDIA CONTAINS DUST.
USE MASK TO AVOID BREATHING DUST.
OK to wet down media with spray bottle
FOR USE ON MUNICIPALLY TREATED, OR DISINFECTED WATER ONLY.
IF USING ON UN-CHLORINATED OR NON-DISINFECTED WATER INSTALL A
UV STERILIZER AFTER UNIT.
Questions?
Call us toll‐free: 1‐888‐600‐5426 or 1‐831‐462‐8500
Email us: [email protected]
See more information on our website: www.cleanwaterstore.com/resources
Clean Water Made Easy
www.cleanwaterstore.com

Table of Contents
Packing Lists .................................................................................................................................................. 3
Pre‐Installation.............................................................................................................................................. 4
Best Practices for Piping & Drain Installation: .............................................................................................. 4
How the Bypass Valve Works........................................................................................................................ 5
Installation of Your System in Copper or Metal Piping Systems:.................................................................. 5
How Your Carbon Filter Works: .................................................................................................................... 6
Diagram of Typical Installation Well Water* ................................................................................................ 7
Diagrams of Typical Installation City Water.................................................................................................. 7
Tank Assembly and Installation Instructions: ............................................................................................... 8
Programming Your Valve and Setting Time and Days for Backwash.......................................................... 10
Set Time of Day ........................................................................................................................................... 11
Set Date....................................................................................................................................................... 11
Set Capacity................................................................................................................................................. 11
Start the First Backwash.............................................................................................................................. 12
Advanced Programming Mode ................................................................................................................... 13
Advanced Program Recommended Settings .............................................................................................. 14
Maintenance:.............................................................................................................................................. 15
Troubleshooting the 7500‐REV4 Carbon Backwash Filter: ......................................................................... 15
7500‐Rev4 Water Filters Limited Warranty ................................................................................................ 16

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Packing Lists
All systems include:
7500‐REV4 control valve, small tube of silicone grease, bypass valve, power supply, funnel for
adding media, top screen, start‐up guide, and items included in one of the following options:
Find Your Size System to See What is Included:
What to Do if Your Tank is Not Level Out of the Box:
Your black filter tank base is not glued to the bottom of your tank. Occasionally tank bases will become
crooked during shipment. If you find that that your tank does not sit level on the floor, you can easily
adjust it by holding the empty tank and knocking it on a concrete or solid floor once or twice to level it.
Carbon Filter 0.75 cubic foot size
8” x 44” filter tank with distributor tube
8 lbs. filter gravel
0.75 cubic foot of activated carbon.
Carbon Filter 1.0 cubic foot size
9” x 48” filter tank with distributor tube
12 lbs. filter gravel
1 cubic foot of activated carbon
Carbon Filter 1.5 cubic foot size
10” x 54” filter tank with distributor tube
16 lbs. Filter gravel
1.5 cubic foot of activated carbon
Carbon Filter 2.0 cubic foot size
12” x 52” filter tank with distributor tube
20 lbs. filter gravel
2.0 cubic foot of activated carbon
Carbon Filter 2.5 cubic foot size
13” x 54” filter tank with distributor tube
35 lbs. filter gravel
2.5 cubic foot of activated carbon
Carbon Filter 3.0 cubic foot size
14” x 65” filter tank with distributor tube
40 lbs. filter gravel
3.0 cubic foot of activated carbon

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Pre-Installation
1. Review your packing list and make sure you have received all the parts before installation.
2. If you are going to be turning off the water to the house and you have an electric water heater, shut off
the power to the water heater before beginning installation in case water heater is accidentally drained.
3. Pick a suitable location for your filter system on a dry level spot where it won’t be exposed to freezing
temperatures. A minimum of 20 PSI is required. Maximum pressure is 90 PSI.
4. Get all of your plumbing parts together before beginning installation, and make sure you have received
all of your packages before beginning or scheduling an installation. Installation typically takes 3 to 5
hours. However, after installation the Carbon Filter must be allowed to run through a complete
backwash and rinse cycle.
5. After the system is installed and running, your water may be discolored particularly if you have older or
corroded piping. This typically clears up over a day or two.
Best Practices for Piping & Drain Installation:
1. Make sure to connect the Inlet from your water source and outlet, following arrows on control
valve. Connect the External Flow Control fitting onto the Drain line.
2. Make sure there is a working gate or ball valve before the system and also one after as well as a
bypass valve.
3. A hose bib (which is a faucet to which you can attach a garden hose) is
strongly recommended after the Sediment Backwash Filter and before the
second ball valve. This makes it easy to rinse your new Carbon Backwash
Filter on start‐up and gives you a place to test the water.
4. If you will be using copper piping, do not sweat the copper pipe directly on to the 7500‐REV4
control valve.
5. To connect drain line to drain, use an air‐gap connection, so that if your sewer or septic tank
backs up, it cannot cross connect with the drain tubing.
6. The pipe connectors are 1’ male pipe thread but you can add a reducer to reduce to ¾” pipe
with common pipe fittings if needed.
7. Make sure bypass valves are closed (system is in bypass) when you first start installing and keep
on bypass until you are ready to start it up with the first backwash.

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How the Bypass Valve Works
Turn knob so the valve is bypassed
when installing.
When you go to start up system
turn the bypass SLOWLY to let
water in and put in service.
Installation of Your System in Copper or Metal Piping Systems:
If your new filter system is to be installed in a metal (conductive) plumbing system, i.e., copper, or
galvanized steel pipe, the plastic components of the system will interrupt the electrical continuity of the
plumbing system.
As a result, any stray currents from improperly grounded appliances downstream or potential galvanic
activity in the plumbing system can no longer ground through the contiguous metal plumbing.
Some homes may have been built in accordance with building codes, which encouraged the grounding
of electrical appliances through the plumbing system.
Consequently, the installation of a bypass consisting of the same material as the existing plumbing, or a
grounded "jumper wire" bridging the equipment and reestablishing the contiguous conductive nature of
the plumbing system must be installed prior to your systems use.
This is simple and easy step to take if you are installing your water treatment system into copper piping.
A simple ground jumper wire with a pipe clamp can be purchased at any Home Center, or hardware
store etc. for a few dollars.

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How Your Carbon Filter Works:
Water enters the top of the tank and flows
down through the media and up the
distributor tube.
The backwashing Carbon Filter removes
Carbon and is automatically backwashed
which cleans and re‐classifies the carbon
media.
During backwash the flow of water is reversed
and water flows down the distributor tube
and up through the media, lifting and
expanding the Carbon media.
The 7500‐Rev4 Control Valve is set to Filter
Meter Type which means it counts or tracks
the amount of water that is used and will
backwash every 1400 gallons OR 7 days,
whichever comes first.
Because of the built in flow sensor feature,
you can also see how much water has been
used by reviewing the Usage Logs if you wish.
See page 10.

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Diagram of Typical Installation Well Water*
Diagrams of Typical Installation City Water
*Make sure well water is microbiologically safe and does not contain coliform bacteria. Carbon systems recommended for
disinfected city water or water that has been tested to be free of coliform or e.coli bacteria.

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Tank Assembly and Installation Instructions:
1. Wrap the top of distributor tube with electrical or duct tape so that no gravel
or Carbon media will go down the distributor tube when adding the media.
2. Add the filter gravel that came with your order. You want the gravel to cover
the bottom distributor screen before adding the Carbon media.
3. Next add Carbon media. The tank should be about 2/3rds full of media, do
not fill more than 2/3rds, even if there is some media left over.
4. Remove cap or tape from top of distributor tube. Be careful not to pull up distributor tube when
removing cap or tape.
5. Fill tank completely with water. This will allow the Carbon Backwash Filter media to settle and
reduce the need of purging the air out of the tank later. Allow Carbon to soak for at least 1 hour
but 24 hours or more is OK. Carbon contains trapped air, and this will help remove trapped air.
6. Add a small amount of silicone grease to the inner
O‐ring, where the distribution tube goes.
7. Next, install the top screen by inserting upwards
and rotating to lock in place. (This is a funnel‐
shaped plastic screen that locks into the bottom
side of control valve).
8. Lubricate the main tank O‐ring only with silicone grease and screw on the 7500‐Rev4 control valve
carefully. Do not use pipe‐joint compound, vegetable oil, Teflon tape, or Vaseline or other greases
to lubricate tank threads.
9. Connect bypass assembly
with 1” pipe connectors;
install black clips and make
sure valve is in the bypass
position.
10. Insert meter cable into meter
cable port on bypass.

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11. Install inlet and outlet piping and hook up drain line.
12. If you are in earthquake zone, strap your backwash filter tank to wall with metal strapping.
13. Proceed to programming your 7500‐Rev4 control valve
14. IMPORTANT: you must program the time and then start a backwash and rinse. The filter system
must be backwashed and rinsed several times before using. See following pages for instructions.

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Programming Your Valve and Setting Time and Days for Backwash
How to Start a Manual Backwash: Press the Back / Regen button
Pressing “Back Regen” at any time results in an immediate manual regeneration.
Pressing and holding for 3 seconds, when system is locked, results in a delayed regeneration at the
preselected time.
Extended Power Outage Indicator
If power outage exceeds 3 days, the time‐of‐day indicator “_” will flash 12:12. The current time of day
needs to be re‐set. All other set parameters remain stored in memory. The valve will resume to operate
from the point of the power outage.
Lockout Function
Keypad will lock after 5 minutes without use. To access the parameter changes, press and hold “Up” and
“Down” buttons simultaneously for 3 seconds to unlock.
NOTE: To start all you need to do is set current time and date. All
other parameters have been preset for you.

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Set Time of Day
1. If LOCK icon is lit, press, and hold both UP and
DOWN buttons for 3 seconds to unlock keypad.
2. Then press the MENU/CONFIRM button to
enter the main menu.
3. Press DOWN button to select “Set Time of Day”
4. Press the MENU/CONFIRM button again to change time of day (Hour will flash)
5. Adjust hour by using DOWN or UP buttons.
6. Press the MENU/CONFIRM button again to change minutes (Minutes will flash)
7. Adjust minutes by using DOWN or UP buttons.
8. Press Back/Regen
Set Date
1. If LOCK icon is lit, press, and hold both UP and DOWN buttons for 3 seconds to unlock keypad.
2. Then press the MENU/CONFIRM button to enter the main menu.
3. Press DOWN button to select “Set Date”
4. Month: Press the MENU/CONFIRM button again to change time of day (Month will flash) and
adjust to current Month date by using DOWN or UP buttons.
5. Day: Press the MENU/CONFIRM button again to change Day date (Day date will flash) and
adjust to current day date by using DOWN or UP buttons.
6. Year: Press the MENU/CONFIRM button again to change Year date (Year date will flash) and
adjust to current Year by using DOWN or UP buttons.
7. Press BACK/REGEN button to save current date and go back to menu.
8. Continue to review and/or change the remaining settings (as follows)
Set Capacity
This refers to the number of gallons your 7500‐Rev4 is set to backwash. Default is 1400 Gallons. This
means that your filter will backwash every 1400 gallons of water used, OR every 7 days, whichever
comes first, since your maximum days for regeneration is set to every 7 days as well.

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Set Rinse Frequency Not used. Keep or change to F:00
Set Regen Time This is the time your system will backwash. Default is 2:00 AM
Set Backwash Time Length Set for 10 minutes. This is the first cycle.
Set B. S. R. Time Not used. Keep or change to 0 minutes.
Set Fast Rinse Time Set for 8 minutes.
Set B. R. Time Not used. Keep or change to 0 minutes.
Maximum Days for Regen. This refers to the days between each backwash. Set to every 7
days. This means that your filter will automatically backwash and rinse every 7 days or every 1400
gallons whichever comes first.
Usage Logs: The following are diagnostic menus you can review later if you wish:
Daily Usage Log
Daily Peak Usage
Weekly Usage Log
Weekly Peak Usage
Monthly Usage Log
Monthly Peak Usage
Review Regen. Times
Start the First Backwash
1After programming, the system must be run through 2 or 3 backwash/rinse regeneration
cycles to clean the new filter media.
2Start with both bypass valves in the Bypass Position.
3Press the BACK/REGEN button once to enter the backwashing cycle.
4When the backwash icon is displayed, slowly open the bypass to a quarter position to make
the water flow into the tank and out the backwash drain line to drain.
5After several minutes open bypass valve completely.

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If possible, verify that the backwash flow corresponds with the size of your system below.
You can easily run the drain hose to a bucket and verify the flow rate in gallons per minute.
An adequate backwash is critical to properly clean the Carbon media. For example, if the
backwash water fills a 5‐gallon bucket in 1 minute, you have 5 gallons per minute (GPM).
6After the backwash, the system will automatically go into the fast
rinse stage. The control valve will return to service status
(indicated by the up flowing meter on the left).
7Repeat the Regeneration (backwash and rapid rinse cycle) step 2
to 3 more times until you see clear water through the drain line.
Congratulations, you are done setting up
your valve!
Advanced Programming Mode
The Advanced Programming Mode allows you to set the Regen Cycle and Regen Mode. Skip this for
most applications as your filter system has already been set to correct modes.
1. Plug the RevV4 in and immediately press in sequence MENU/CONFIRM, then press
BACK/REGEN button, then press the DOWN button to enter the Advanced Programming Mode.
2. Press UP or DOWN buttons or to select the menu item to be changed (Press MENU/CONFIRM
to return to the previous menu).
3. Note: If valve locks while programming, unplug power supply and repeat step above.
4. Press MENU/CONFIRM to enter the main menu
5. Press the UP or DOWN buttons to highlight each option.
6. Press MENU/CONFIRM to enter highlighted option.
7. Press the UP or DOWN buttons to adjust the value.
8. Press the MENU/CONFIRM to accept the changes.
9. Press BACK/REGEN button to advance to service status
0.5 CF
3 GPM
0.75 CF
5 GPM
1.0 CF
5 GPM
1.5 CF
5 GPM
2.0 CF
7 GPM
2.5 CF
10 GPM
3.0 CF
12 GPM

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Advanced Program Recommended Settings
Review Company Info
CWS 831‐462‐8500
Set Valve Model
62605
Set Language
English
Set Company Info
CWS 831‐462‐8500
Set Hour Mode
12 HR
Set Time of Day
Current time of day
Set Date
Current date
Set Program Type
Interlock
Set Regen Cycles
No. 1
Set Set Clear Data
Close
Set Regen Mode
A-07
Set Capacity
1400 Gal.
Set Regen Time
2:00 AM
Set Backwash Time
10 Minutes
Set B.S.R. Time
0
Set Fast Rinse Time
8
Set B.R. Time
0
Max Days for Regen.
7
Signal Output Mode
b‐01
Set Service Alarm
Disabled
Review Regen Times
NA
Review Software Version
Ver. 5.0
Congratulations, you are done setting up your valve!

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Maintenance:
Every 4 to 6 years (in some cases it can last longer) remove control valve and empty the carbon filter
media and replace with new media.
There is no routine maintenance required for the control valve or filter media, other than making sure
the system is set to backwash frequently enough to keep the filter media clean.
Test the water before and after the carbon filter for a chlorine residual every 4 to 6 months. When you
start to see a chlorine residual after the carbon, it is time to replace the carbon.
Troubleshooting the 7500-REV4 Carbon Backwash Filter:
Backwash Flow Rate
One problem that may occur is if you do not have enough backwash flow rate to properly clean
the Carbon Backwash Filter.
You can verify the backwash flow rate by running the drain line into a bucket and timing it when
the 7500‐REV4 is in Cycle 1 or backwash

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7500-Rev4 Water Filters Limited Warranty
We warrant this water filter when installed according to factory recommendations, to be free from defects in materials
and workmanship as follows:
‐‐‐‐‐‐‐‐‐‐Limited Warranty‐‐‐‐‐‐‐‐‐‐
This water conditioner unit is comprised of the finest industry components available. Each individual component used in the
assembly of our equipment is covered by the original equipment manufacturer’s warranty. All components, except those
specifically listed below, are warranted for a period of one (1) year from date of installation to the original purchaser to be free
of defects in materials and workmanship subject to the manufacturer’s conditions and/or the conditions shown below.
‐‐‐‐‐‐‐‐‐‐Mineral Tanks‐‐‐‐‐‐‐‐‐‐
The fiberglass, polyglass or composite mineral tanks used in the assembly of this unit are warranted to be free of defects in
materials and workmanship for a period of ten (10) years on 6” – 13” size tanks, and five (5) years on 14” and larger size tanks
used for softener/filtration applications, subject to the manufacture’s conditions and/or the conditions shown below.
Warranty does not cover exposure to weather, freezing, fractures caused by external impact, or exposure to vacuum.
‐‐‐‐‐‐‐‐‐‐Control Valves‐‐‐‐‐‐‐‐‐‐
The CWS control valve is warranted to be free of defects in materials and workmanship for a period or five (5) years.
‐‐‐‐‐‐‐‐‐‐Conditions‐‐‐‐‐‐‐‐‐‐
1. This warranty only covers water conditioners installed for residential use. Water conditioners installed for
commercial or industrial applications are guaranteed for one (1) year from the date of installation.
2. Installation must be made in accordance with legal or local codes and manufacturer’s recommendations.
3. Failure must not result from exposure to weather, rodents, misuse, alteration, fire, lightning, power surges or neglect.
4. Water pressure must not exceed 100 PSI and water temperature must not exceed 100 degrees.
5. Subject to the above terms and conditions we will replace and/or repair, at our option, any parts of the water
conditioner found defective in materials and workmanship. Defective parts must be returned, freight pre‐paid
for repair or replacement.
6. This warranty does not cover labor, shipping charges, damages caused by delays of consequential damages or
other causes beyond our control. Warranty does not cover pipes, fixtures or appliances. Warranty extends to
the actual water conditioner components only.
7. This warranty is to the original purchaser and is not transferable to any subsequent owner(s).
8. No other guarantees or warranty, expressed or implied, is applicable to our product. No repair or replacement
made under the terms of the warranty shall extend this warranty.
9. Any product returned to Clean Water Store without a valid return authorization number will be
rejected. Any product found to be defective will, at the sole discretion of Clean Water Store be
repaired or replaced. Clean Water Store is not responsible for shipping cost to the repair facility.