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Nelsen Water Solutions 1", 1¼", 1½", 2" & Twin Control Valves 

Limited Warranty

NELSEN CORPORATION - NWS WATER CONDITIONER

Nelsen Corporation (“Nelsen”) provides this limited warranty as described below (the “Limited Warranty”).

Limited Warranty

 - Subject to the terms of this Limited Warranty, Nelsen warrants to the original buyer (“Buyer”) of this Water 

Conditioner product (the “Product”) solely from a Nelsen authorized dealer that the Product will be free from defects in material or 

workmanship for a period of one (1) year after the date of original installation. This Limited Warranty shall apply only if the Product is 

installed, operated and maintained in strict accordance with Nelsen’s or the manufacturer’s guidelines and other legal requirements. 

The Product is sold with the understanding that Buyer has independently determined the suitability and compatibility of such Product 

for Buyer’s purposes. Any statements, technical information or recommendations concerning the Product or any parts therein by 

Nelsen are based upon data provided to Nelsen by its suppliers and believed to be accurate, but do not constitute a guarantee or 

warranty. This Limited Warranty shall not cover and shall be null and void if, in Nelsen’s discretion, the Product, or any parts therein, 

are: (a) manufactured by a third party manufacturer; (b) modified after sale or use of replacement parts not specified by manufacturer 

requirements; (c) improperly installed, stored, used, operated, handled or maintained; or (d) abused, misused or otherwise damaged 

for any reason, including due to negligence, weather, fire, lightning, power surges or other acts of God or exposure to freezing or hot 

water or the effects of normal wear and tear. 

Third Party Warranties

 - In lieu of the above Limited Warranty, the Product, or any parts therein, may be covered by a third-party 

manufacturer’s warranty. Nelsen’s authorized dealer will provide Buyer with a copy of any third-party manufacturer warranty prior 

to purchase. Nelsen shall transfer and assign to Buyer any and all third-party manufacturer’s warranties on the Product, or any parts 

therein, subject to the conditions and exclusions in the manufacturer’s warranty. Buyer’s exclusive remedy under such third-party 

manufacturer’s warranty shall be against such third-party manufacturer and not Nelsen. Buyer may need to register the Product with a 

third party manufacturer in order to obtain its warranty.

Additional Conditions

 - 

• This Limited Warranty only covers the Product, and any parts therein, if used exclusively for residential purposes in a single-

family dwelling. This limited warranty shall be null and void if the Product is used for commercial, industrial or other non-residential 

applications.
• This Limited Warranty will not cover any Product used for outdoor installations unless a weather cover that complies with 

manufacturer requirements is utilized.
• This Limited Warranty shall not cover the Product if operated at water pressures or water temperatures or with water contaminants 

that exceed manufacturer’s guidelines.
• The Product may include interconnecting piping that may have leaks, even if tested at the time of manufacture, due to pipe 

vibrations and handling. For example, galvanized pipe threads are diligently assembled with recommended thread sealants but may 

have leaks discovered at the time of installation or start-up.  The installer of the goods is responsible for checking the system for leaks 

upon start-up and making any repairs if necessary. 
• This Limited Warranty does not cover damage or failure of the Product, or any part therein, caused by friction, wear, chemical 

attack or debris build-up on wear parts. For purposes hereof, “wear parts” shall include, without limitation, pistons, piston rods, seals, 

spacers, end cap quad rings, brine valves, valve disk flappers and parts requiring replacement under recommended maintenance 

procedures, including, without limitation, o-rings and gaskets. 

Warranty Claims

 - All claims under this Limited Warranty shall be submitted by Buyer to the authorized Nelsen dealer who sold the 

Product in writing and shall include the Buyer’s name, address, telephone number, date of purchase of the Product, receipt evidencing 

proof of purchase and a copy of this Limited Warranty. Nelsen or its authorized dealer will investigate the claim. Buyer must fully 

cooperate in investigating and evaluating the claim, including, without limitation, providing additional information upon request. TO BE 

ELIGIBLE FOR COVERAGE UNDER THIS LIMITED WARRANTY, BUYER MUST SUBMIT A CLAIM WITHIN SIXTY (60) DAYS OF THE DATE 

THAT THE ALLEGEDLY DEFECTIVE PRODUCT OR PART IS FIRST DISCOVERED BY BUYER AND, IN NO EVENT, LATER THAN SIXTY (60) 

DAYS AFTER THE WARRANTY PERIOD HEREIN.

Repair or Replacement/Credit

 - Subject to the conditions and limitations herein, if Nelsen determines that the Product, or any part 

therein, does not conform to this Limited Warranty, Nelsen will repair or replace the defective Product or part therein. Non-conforming 

Products or parts therein must be returned to Nelsen’s authorized dealer at Buyer’s cost. Any replaced Products, or any parts therein, 

shall be retained by and become the property of Nelsen. If Nelsen determines that the repair or replacement of the Product or part 

Continued Next Page

Summary of Contents for Signature AIO

Page 1: ...Signature Series User Guide Softeners Filters 1 1 1 4 1 1 2 2 Twin Control Valves Signature Series Single Tank AIO Twin Tank ...

Page 2: ...D RINSE FILL is displayed whenever a zero capacity tank has transferred to an off line state and is currently waiting to initiate the second portion of a regeneration cycle Viewed only when Delayed Rinse and Fill is set to ON Regen Error Screens BACKWASH 6 36 MIN 2 REGEN PENDING ALT MAV STAND BY AUX MAV DELAYED RINSE FILL PENDING Error Screens ERROR Screen displays when an error occurs and no Deal...

Page 3: ...ayed Holding NEXT and REGEN simultaneously for 3 seconds initiates a control reset The software version is displayed and the piston returns to the home service position re synchronizing the valve Used with a twin valve 1 0T holding for at least 3 seconds causes a switch in the tank in Service without cycling the regeneration valve After tank switch days remaining and capacity remaining status is r...

Page 4: ...neration Not shown when day override set to off User Displays TIME OF DAY 12 01 PM CAPACITY REMAINING 1200GAL REGENERATION IN 14DAYS User 4 Flow Rate displays the current flow rate of treated water through the valve If Configuration 3CS is set to ALT A or B and the valve is in Standby this display and the flashing Flow Indicator viewed in other User Screens will not be viewed A Tank In Service Ind...

Page 5: ...ne Tank Control Valve Softener Tank Safety Brine Valve Air Check Ion Exchange Resin Distributor Riser Tube Distributor Riser Tube Distributor Basket Distributor Basket Single Tank Softener Air Injection Oxidation AIO Filter System Control Valve Softener Tank Safety Brine Valve Air Check Distributor Basket Brine Tank Twin Tank Softener ...

Page 6: ...spect the brine tank at least once a year for buildup of insoluble materials It is recommended to periodically clean the brine tank no matter what salt you use REMEMBER Salt is the fuel to run your water conditioner Buy the best clean salt available Operating Conditions Your water conditioner has been designed to adequately handle up to 100 grains per gallon of hardness and up to 2 ppm of ferrous ...

Page 7: ...t five minutes for the board to de energize 4 With the battery out re connect the power supply to the board The board s display should begin to show information This indicates that the board is operating correctly If the display does not work call installing dealer for service 5 To replace with a new battery unplug the transformer from the outlet Install a 3 volt Lithium Coin Cell type 2032 batter...

Page 8: ...M memory 405 HISTORY MEMORY Control continues to operate normally w check sum error for the History Section of E2 PROM memory however error is recorded in Error Log 406 CONTACT MEMORY Control can no longer operate properly due to a check sum error for the Contact Screen Section of E2 PROM memory 407 STATUS RAM STATUS RAM MEMORY FAILURE Error generated when the microcontroller can t operate properl...

Page 9: ...res are installed securely into three pin connector labeled METER Defective meter Replace meter Defective PC Board Replace PC Board Control valve regenerates at wrong time of day Power outage Reset time of day If PC Board has battery back up present the battery may be depleted See front cover and drive assembly drawing for instructions Time of day is not set correctly Reset to correct time of day ...

Page 10: ...size Replace injector with correct size for the application Restricted drain line Check drain line for restrictions or debris and clean Excessive water in brine tank Improper program settings Check refill setting Plugged injector Remove injector and clean or replace Drive cap assembly not tightened in properly Re tighten the drive cap assembly Damaged seal stack assembly Replace seal stack Restric...

Page 11: ...ential purposes in a single family dwelling This limited warranty shall be null and void if the Product is used for commercial industrial or other non residential applications This Limited Warranty will not cover any Product used for outdoor installations unless a weather cover that complies with manufacturer requirements is utilized This Limited Warranty shall not cover the Product if operated at...

Page 12: ...HE TERMS HEREOF TO THE EXTENT A WAIVER OF IMPLIED WARRANTIES IS PROHIBITED BY LAW ANY IMPLIED WARRANTIES SHALL BE LIMITED TO THE DURATION OF ANY WRITTEN WARRANTY PROVIDED BY NELSEN IN NO EVENT SHALL NELSEN BE LIABLE TO BUYER OR TO ANY THIRD PARTY FOR CONSEQUENTIAL INCIDENTAL SPECIAL OR PUNITIVE DAMAGES OR FOR LOST PROFITS OR LOSS OF USE RESULTING FROM OR IN ANY MANNER RELATED TO THE PRODUCT ITS DE...

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