NELSEN WATER NRO ROC2 Documentation Download | Manualshive

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Nelsen NRO ROC2

System Controller Documentation

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Summary of Contents for NRO ROC2

Page 1: ...Nelsen NRO ROC2 System Controller Documentation ...

Page 2: ...n Figure 5 6 Installation Instructions 6 Controller Programming Accessing Hidden Menus Figure 6 7 System Start up w Permeate Flush 7 Controller Programming Program Selections Table 2 8 Controller Programming Menu Navigation Figure 7 9 Controller Programming Parameters Explained Appendix A 10 11 Controller Fault Displays 11 12 Controller Programming Programming Interface Overview 13 Warranty 14 ...

Page 3: ...ay Ratings Feed Solenoid 10A Resistive 5A Inductive Voltage is the same as motor supply voltage Flush Solenoid 10A Resistive 5A Inductive Voltage is the same as motor supply voltage Motor 40A Resistive 240 VAC 1 0 HP 120V 2 0 HP 240V Circuit Protection Main Power Fuse 110V F1 3AG 20 Amp LittleFuse 314 020 P For up to 1 HP motor F1 3AG 4 Amp LittleFuse 312 004 P Motor contactor coil Main Power Fuse...

Page 4: ...2 Figure 1 Simplified Schematic i Figure 1 Simplified Schematic ...

Page 5: ...F Up Arrow Down Arrow Manual Run Manual Flush CPU Board CPU Board 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 ...

Page 6: ...ield White Black Cable to Terminal Board Figure 3 Controller Detail CPU 3 Typical Configuration G T C G T C TDS Probe 2 TDS Probe 1 Conductivity Programing Port used with optional programming interface See Appendix B for explanation of the programming interface Main interface port Connects via ribbon cable to Terminal Board Sel 1 and Sel 2 Jumpers Special purpose jumpers ...

Page 7: ...y external voltage Alternate wiring for single level switch Tank Lo Tank Hi 240 VAC 120 VAC F2 Controller Power Fuse F3 Solenoid Power Fuse F1 Main Power Fuse Inlet Valve Relay Flush Valve Relay Switch LEDs Illuminate when switches close Feed and Flush Solenoid LEDs Illuminate when the relay is energized Pump LED Illuminates when the motor relay is energized Transformer Figure 4 Controller Detail ...

Page 8: ...nd Table 2 The default is Program 1 which is a general purpose setting Use Program 2 if your system is not equipped with a flush valve NOTE The Program Settings can be customized to suit the specific needs of an OEM and pre programmed at the factory with your settings Contact Nelsen Corporation for details 11 Make any other changes you want to the settings Press System On Off to save your changes ...

Page 9: ...em On Off button This will switch to the Hidden Menus as shown above 3 If not already on the RO Presets Program Press the Up or Down Arrows until you reach this screen 4 Once on the RO Presets Program Screen Press Manual to Edit this Screen 5 Press the Up or Down Arrow to change to Program 2 6 Once on Program 2 Press Manual to Exit the screen Manual Run Flush RO Presets Program 1 to change setting...

Page 10: ...terval 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 count faults Minutes 10 10 10 10 Low pressure fault shutdown reset after shutdown Minutes 60 60 60 60 Low pressure fault alarm relay output TB 2 ONLY Off On Off Off Off Off Low pressure time out fault Seconds 60 60 60 60 Flush Behavior Extra Maximu...

Page 11: ...Sys Save VALUES uS PPM None LCD Brightness 10 for other menus Manual Edit Sys Save LCD Brightness 10 to change setting Manual Edit Sys Save VALUES 0 15 LCD Contrast 15 for other menus Manual Edit Sys Save LCD Contrast 15 to change setting Manual Edit Sys Save VALUES 0 15 Save Return to RO Display System On Off System On Off Manual Run Flush Save Return to RO Display System On Off Manual Run Flush ...

Page 12: ...ing against a closed suction as the pump spins down Low Inlet Pressure Behaviors Pump start retry interval restart delay after LP fault Seconds 60 When the inlet pressure switch opens the controller deenergizes the motor and the inlet solenoid valve remains open The controller will continue to monitor the inlet pressure switch After the switch is closed for the duration of the Pump start retry int...

Page 13: ...ets the duration of the Idle Flush 0 disabled Timed Manual Run Duration of Manual Run Minutes 5 Timed Manual Flush Duration of Manual Flush Minutes 5 Conductivity Probe Sample Rate Seconds 2 Conductivity Shutdown 0 disabled Minutes 0 Controller Fault Condition Displays Below are examples and explanations of the displays which accompany the fault conditions possible in the ROC 3 Fault conditions al...

Page 14: ...nt If RO Not Working and Display Shows Tank Full or Tank Full Draw Down 1 If using a single point high level float switch the jumper in the wiring instructions must be installed This needs to be checked to make sure it is not loose and or disconnected which would cause a failure and one of the displays above ie Remove jumper and reinstall making sure of a good connection Re check display and opera...

Page 15: ...d tool for making changes to the ROC software The program combines a simulator for testing your changes on the PC and an communications programming interface for loading the software into the controller The Interface can also be used to remotely monitor the RO This screen shows the 4 sets of user configurable values ...

Page 16: ...e 1 To obtain warranty service contact your selling dealer for a Return Material Authorization RMA 2 You will be required to provide a Your name and address b A description of the problem 3 Package the controller carefully for shipment and return it to your freight prepaid Limitation of implied warranties There are no warranties expressed or implied which extend beyond the description contained he...

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