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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 does not cover any membranes or filters.
  • 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. 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, 

end cap quad rings 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.

Continued on next page.

  Appendix C - Controller Limited Warranty

Содержание NRO ROC2HE-UL

Страница 1: ...Nelsen NRO ROC2HE UL System Controller Documentation Systems w CPU 4 Control Board Manufactured after March 2020 Since 1954...

Страница 2: ......

Страница 3: ...Controller Detail TB 1 6 Conductivity Probe Installation Figure 5 7 Installation Instructions 7 Controller Programming Accessing Hidden Menus Figure 6 8 System Start up w Permeate Flush 8 Controller...

Страница 4: ...0 6000 s standard sensor CP 1 K 75 Output Circuit Ratings Feed Solenoid 1A Voltage is the same as motor supply voltage Flush Solenoid 1A Voltage is the same as motor supply voltage Motor 1 0 HP 110 12...

Страница 5: ...3 Figure 1 Simplified Schematic...

Страница 6: ...ard CPU 4 Conductivity Probe Connections Display 4 line 20 character Clear concise feedback on the RO s status Alarm Display backlight flashes along with audible beeper to indicate alarm condition Key...

Страница 7: ...5 Typical Configuration Permeate Conductivity Probe Shield White Black Cable to Terminal Board Figure 3 Controller Detail CPU 4 Typical Configuration...

Страница 8: ...6 Figure 4 Controller Detail Terminal Board TB 1 See Fig 1 for schematic...

Страница 9: ...the System On Off switch to turn the system ON 10 Program Mode 2 is default See Table 2 which is a general purpose setting without a flush valve NOTE The Program Settings can be customized to suit the...

Страница 10: ...ith the system on Press and Hold the Up and Down Arrows 2 With the Up and Down Arrows depressed Press the System On Off button This will switch to the Hidden Menus as shown above 3 If not already on t...

Страница 11: ...op delay Seconds 1 1 1 1 Pump start retry interval restart delay after LP fault Seconds 60 60 60 60 Low pressure fault shutdown of faults Faults 5 5 5 5 Low pressure fault shutdown time period to coun...

Страница 12: ...10 Figure 7 Controller Programming Menu Navigation...

Страница 13: ...d xxx uS Line 3 Alarm SP xxx ppm or Alarm SP xxx uS Line 4 To Reset Push OFF ON Feed Conductivity Fault Feed conductivity is higher than the alarm set point Line 1 Service Fault Line 2 Feed TDS xxx pp...

Страница 14: ...th a multi meter for correct on off operation Replace switch or level control if faulty 3 If someone connected 110v to the terminal strip connection for the high level shut off they could have fried t...

Страница 15: ...facturer 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 warrant...

Страница 16: ...ATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE NO REPRESENTATIONS OR WARRANTIES AT ANY TIME MADE BY ANY EMPLOYEE AGENT OR REPRESENTATIVE OF NELSEN SHALL BE EFFECT...

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