2. US Water Systems
  3. Flexx Oxi-Gen FX-250

US Water Systems Flexx Oxi-Gen FX-250, Flexx Oxi-Gen FX-150 Owner's manual

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

REVISION # 1.2
REVISION DATE : January 2, 2020
US Water Systems 


---

Owners Manual
Models:
--
US Water Systems Flexx Oxi-Gen
Aeration Iron and Sulfur Removal
System
2
Visit us online at www.USWaterSystems.com Give us a call at: 1-800-608-8792
Safety Guide


Unpacking / Inspection

---
  within 24 hours      


Table of Contents
• 


• 


• -


• 

• WARNING





………………………………………………………………………………..………...2
…………………………………………………………………………..………………………..2
……………………………………………………………………………..……………....3
………………………………………………………...………………………….3
….…………………………………………………...…………………………………….4
………………………………….….………………...…………………………….…….5
…………………………………………………………...……….……………..………………6
…..……………………………….………………………………………….7
……………...…………………...…..………..…...…………..………………8
……….………………..………………………………………………………………...9
…………………………..………………………………………………………...12
……………..…….…………...………..…………..15
………………………………...…………………18
………………………………………………………..………..22
…………………………………………………………………………..,…………………..23
……………….………………………………………..…………..…….………....24
…...…………………………………………………….25
………………………………………………………………………………...………….26
…………………………………...…………………..…………………...……………………...27
……………………………………………………………………………………………………….35
3
Proper Installation


• Do not 




• Do not 

-
• 

• -
-

• 




• WARNING: 



Before Starting Installation
Tools, Pipe, and Fittings, Other Materials
• 
• 
• 
• 
• 
•      

• 1” 



•        

•       

• 
 - 

       


• 5/8”  1/2”      

4
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About The System
Flex Oxi-Gen



-





1.Cloudyormilkyappearancetothetreatedwater.

-







’’
2.Sputteringorslightcoughingfromthehotwatersidefaucets.

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






5
Model Tank Size A B C D
FX-150 10” X 54” 61” 52” 10” 21”
FX-250 13” X 15” 61” 52” 13” 24”
System Dimensions



-


B
A


C
D
6
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Specifications
Model Number FX-150 FX-250
Tank Size 10” x 54” 13” x 54”
Capacity (cu/ft) 1.5 2.5
Gravel Under-bedding 15 lbs 25 lbs
Backwash Flow Control (GPM) 5.0 7.0
Service Flow Rates 7 GPM 15 GPM
Peak Flow Rates 10 GPM 20 GPM
Pressure Drop @ Service Flow 5-7 PSI 5-7 PSI
Pressure Drop @ Peak Flow 15-20 PSI 15-20 PSI
Water Pressure
20 PSI Min 100 PSI Max
Water Temperature
39° F Min. 100° Max.
Plumbing Connections
3/4” or 1” FPT
Electrical Requirements
100-240V, 50/60 Hz, 0.3 A / Output 12V, 500mA
7
• 
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• 
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-
• -

• 
• 1000’

• 

• 
• 
NSF APPROVED COMPONENTS
™ -™


SPECIFICATIONS
• -
• -
• -
• 
WARRANTY
• 
• 
WATERLOGIX™ APP
• 
• 
• 

• 
• 
• 
How the Water System Works
8
Visit us online at www.USWaterSystems.com Give us a call at: 1-800-608-8792
•        
      

• 


• 
(10’ 
 DO NOT RUN HOT WATER
THROUGH THE SYSTEM


• 
Damage caused by freez-
ing is not covered by the warranty.
• 



• 

Be sure the
electric outlet and transformer are in an
inside location, to protect from wet
weather.
• 
      
    
    

• Keep the system out of direct sunlight
 ’     

Where To Install The System
9
System Preparation
Flexx Oxi-Gen System Tank Preparation
WATER PRESSURE: 

ELECTRICAL FACILITIES: 


EXISTING PLUMBING: 

LOCATION OF FLEXX OXI-GEN TANK AND DRAIN: -

CAUTION: 

Resin Installation
 
 

10
Visit us online at www.USWaterSystems.com Give us a call at: 1-800-608-8792
 

 





NOTE: 

 


-
System Preparation
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System Preparation
 -
 
’
 

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Installation Instructions
 

  



             

NOTE: 



  -      1”      



 

NOTE: All piping should be secured to prevent stress on the bypass valve and
connectors.
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

1/2” 



“” (1/2”:10’). 

NOTE: A DIRECT CONNECTION INTO A WASTE DRAIN IS NOT RECOMMENDED.
A PHYSICAL AIR GAP OF AT LEAST 1.5” SHOULD BE USED TO AVOID
BACTERIA AND WASTEWATER TRAVELLING BACK THROUGH THE
DRAIN LINE INTO THE SYSTEM
NOTE: Be sure to secure the drain line. The System will drain with force and it
should be secured to prevent a leak. Hose clamps should be used to se-
cure the drain line at the connection points.
Hose barb fitting
for drain line.
Be sure to use a
hose clamp to se-
cure the line.
Installation Instructions
(1/2”:10’).
DRAIN
14
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Installation Instructions


                 




Note: The unit is not ready for service until you complete the start-up instructions.
Be Sure to program the unit first.
Handle
Pointer
15
 “” 


NOTE: The unit will recharge with air every night. The
days between a full backwash cycle are what the
flashing number represents.
 


 
• 
• 
• 
• 

•  
• 
• 

• 

‘’ “00” 

  -
• 
• 

•  -










Programming Using Onboard Buttons
P B S
16
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
Note: All Master Programming functions have been preset at the factory. Unless a
change is desired, it is NOT necessary to enter Master Programming Mode.
 
• 
“”. -
• 
-

• 
-

• 


• 

• 
-

• 

Note on Air Draw Cycle (4):




Master Programming Using Onboard Buttons
17

• 
• 
• 
• 





• -

• 

• 

• 

 -
-
• 
 
• 



Note: If no buttons are pressed for 60 seconds, the Master Programming Mode will be
exited automatically.
Master Programming Using Onboard Buttons
PulseH2O2Setting
Amountof H2O2 Description
 












18
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




-
To use the Water Logix Bluetooth app;
 “”.
 
 
 
 

“” 
“”.
 “” 

NOTE: There may be FIRMWARE updates available for the valve. If the valve needs
updates it will ask to you to approve the upload. The valve will not connect
until the update has been completed. In some cases there may be more than
one update to perform before the valve will connect.
Programming Using Water Logix App
19
Dashboard


 Time of Day: “” 

“” 
 Filter Backwash Frequency: “” 



 Regeneration Time: ““ 



Programming Using Water Logix App
20
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Advanced Settings


NOTE: These are factory set and should not be changed without guidance.
 Air Charge Frequency: 

 Backwash Cycle: 
 Rest: 
 Air Draw: 
 Rapid Rinse: 
Programming Using Water Logix App
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