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  © Nelsen Corporation  

Part # NRO-ROC2-MAN — RevE 0322

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 therein is not commercially practicable, Nelsen will issue a credit in favor of Buyer in an amount 

not to exceed the purchase price of the Product. Notwithstanding anything to the contrary herein, this Limited Warranty 

does not cover any cost or labor associated with the removal or re-installation of the replacement Product or part 

therein or any shipping costs associated with the returned Product or part therein, which remains the sole cost, risk and 

responsibility of Buyer, unless otherwise agreed in writing by Nelsen.

Eligibility/Non-Transferable

This Limited Warranty applies only to Buyer if the Product is purchased from a Nelsen authorized dealer. This Limited 

Warranty is personal to Buyer and may not be assigned or otherwise transferred by Buyer. Any attempt to transfer this 

Limited Warranty shall be null and void and not recognized by Nelsen.

Disclaimer of Other Warranties/Limitation on Liability

EXCEPT AS PROVIDED ABOVE AND TO THE EXTENT PERMITTED BY LAW, THERE ARE NO OTHER REPRESENTATIONS 

OR WARRANTIES WITH RESPECT TO THE PRODUCT, EITHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, OR ARISING 

UNDER CUSTOM OF TRADE, INCLUDING, WITHOUT LIMITATION, 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 EFFECTIVE TO VARY OR EXPAND ANY WRITTEN 

WARRANTY OR THE 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 DELIVERY, NON-DELIVERY, USE, OR INABILITY TO USE THE SAME, WHETHER 

SUCH DAMAGES BE CLAIMED UNDER CONTRACT, TORT OR ANY OTHER LEGAL THEORY. NELSEN’S TOTAL LIABILITY 

UNDER THIS OR ANY OTHER WARRANTY, EXPRESS OR IMPLIED, IS LIMITED TO REPAIR OR REPLACEMENT OF, OR 

CREDIT FOR, THE PRODUCT OR ANY PART, AS STATED HEREIN.

Waiver of Class Action

ANY AND ALL CLAIMS ASSERTED BY BUYER OR ANY OTHER PERSON OR ENTITY SHALL BE RAISED IN AN INDIVIDUAL 

CAPACITY AND NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY PURPORTED CLASS OR REPRESENTATIVE 

PROCEEDING, WHICH ARE HEREBY WAIVED.

Applicable Law

This Limited Warranty shall be interpreted and governed under the laws of the State of Ohio without giving effect to the 

choice of law rules thereof. Nelsen and Buyer irrevocably consent and submit to the exclusive jurisdiction and venue 

within the courts of Summit County, Ohio and/or the United States District Court for the Northern District of Ohio in 

connection with any litigation arising out of, or in any way relating to, this Limited Warranty or the Product, including, but 

not limited to, any and all claims for breach of warranty or products liability, and Nelsen and Buyer expressly waive any 

objection to the jurisdiction and/or venue of such courts.

  Appendix C - Controller Limited Warranty 

- continued

Summary of Contents for NRO ROC2HE-UL

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

Page 2: ......

Page 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...

Page 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...

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

Page 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...

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

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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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