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4

  Figure 2 - Controller Overview

Keypad

System ON/OFF,

Up Arrow

Down Arrow

Manual Run, Manual Flush

Supply Power 

Connections

Motor 

Connections

 

Terminal Board

CPU4 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.

Содержание NRO ROC-3HE

Страница 1: ...Nelsen NRO ROC 3HE System Controller Documentation Systems with 3 hp Motors and Above...

Страница 2: ...CPU 4 5 Controller Detail TB 6 6 Conductivity Probe Installation Figure 5 7 Controller Programming Accessing Hidden Menus Figure 6 8 System Start up w Permeate Flush 8 Controller Programming Program...

Страница 3: ...y Ratings relays are fused with a 6A fuse Feed Solenoid 0 5A Voltage is the same as motor supply voltage Flush Solenoid 0 5A Voltage is the same as motor supply voltage Motor Contactor Coil 0 5A Volta...

Страница 4: ...2 Figure 1 Simplified Schematic...

Страница 5: ...3 Figure 1 1 Field Wiring Diagram...

Страница 6: ...al Run Manual Flush Supply Power Connections Motor Connections Terminal Board CPU4 Board Conductivity Probe Connections Display 4 line 20 character Clear concise feedback on the RO s status Alarm Disp...

Страница 7: ...5 Typical Configuration 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: ...ductivity Probe Installation Install the Conductivity Probe in the Run of a Tee or equivalent location Orient the probe so that air can not become trapped in the area near the probe F L O W FLOW Condu...

Страница 10: ...m 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...

Страница 11: ...stop 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 c...

Страница 12: ...ng 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 de...

Страница 13: ...ts 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 Conductivi...

Страница 14: ...t 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 checke...

Страница 15: ...ing Programming Interface Overview The Programming interface is a Windows based tool for making changes to the ROC software This screen shows the RO settings available There are 4 field selectable set...

Страница 16: ...rvice 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 Packag...

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