Related Manuals for NELSEN WATER NRO ROC-3HE
Summary of Contents for NELSEN WATER NRO ROC-3HE
- Page 1 Nelsen NRO ROC-3HE System Controller Documentation Systems with 3 hp Motors and Above...
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Page 2: Table Of Contents
Table of Contents Table of Contents Description Page ....................................................Specifications, Table 1 ............................................................Schematic, Figure 1 .............................................................. Field Wiring Diagram, Figure 1.1 ....................................................Controller Overview, Figure 2 ....................................................... Controller Detail: CPU-4 ..........................................................Controller Detail: TB-6 ............................................................Conductivity Probe Installation, Figure 5 ................................................ -
Page 3: Specifications, Table 1
Table 1 - Specifications Inputs Tank level switches (2) Normally-Closed. Can be used with a single level switch. Inlet pressure switch Normally-Open. Pretreat lockout switch Normally-Open. High Pressure switch Normally-Open. Controller Power 100-240 VAC, 60/50Hz (Switching power supply automatically adjusts) Permeate Conductivity 0-3000 PPM, 0-6000 μs (standard sensor, CP-1, K=.75) Feed Conductivity (opt) -
Page 4: Schematic, Figure 1
Figure 1 - Simplified Schematic... -
Page 5: Field Wiring Diagram, Figure 1.1
Figure 1.1 - Field Wiring Diagram... -
Page 6: Controller Overview, Figure 2
Figure 2 - Controller Overview Keypad Display (4 line, 20 character) System ON/OFF, Clear, concise feedback Up Arrow on the RO’s status. Down Arrow Alarm Display backlight Manual Run, Manual Flush flashes along with audible beeper to indicate alarm condition. Supply Power CPU4 Board Terminal Board... -
Page 7: Controller Detail: Cpu-4
Figure 3 - Controller Detail: CPU-4 Typical Configuration Typical Configuration... -
Page 8: Controller Detail
Figure 4 - Controller Detail: Terminal Board, TB-1 (See Fig. 1 for schematic) -
Page 9: Conductivity Probe Installation, Figure 5
Figure 5 - Conductivity Probe Installation Install the Conductivity Probe in the “Run” of a Tee or equivalent location. Orient the Conductivity probe so that air can not become trapped in Probe the area near the probe. FLOW... -
Page 10: Controller Programming: Accessing Hidden Menus, Figure 6
Figure 6 - Controller Programming: Accessing the Hidden Menus 1 With 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. The menu will switch to the RO Presets menu shown in Figure 7. -
Page 11: Controller Programming: Program Selections, Table 2
Table 2 - Controller Programming: ROC-2 Program Selections The controller has 4 separate user-selectable sets of settings for configuring the RO. The factory default settings are shown below. The settings are identical except for variations in the flush behavior. • Program 1, High Pressure flush •... -
Page 12: Controller Programming: Parameters Explained
Appendix A - Controller Programming: Parameters Explained Parameter Value Range Example Input Switch Behaviors Tank Level Switch delay (actuation and de-actuation) Seconds This specifies the time that the tank switch must be closed or open before the controller accepts it as a valid condition. -
Page 13: Controller Fault Displays
Appendix A - Controller Programming: Parameters Explained (cont.) Flush Behavior Value Range Example Time from last flush before Flush on Shutdown Minutes Minimum operation before Flush on Shutdown Minutes Flush duration on Shutdown Seconds Periodic Flush interval Minutes Periodic Flush duration Seconds Unit Idle Flush interval * Minutes... - Page 14 Controller Fault Condition Displays Permeate Conductivity Fault: (Permeate conductivity is higher than the alarm set-point.) Line 1 “Service Fault” Line 2 “Permeate TDS xxx ppm” or “Permeate Cond xxx uS” Line 3 “Alarm SP xxx ppm” or “Alarm SP xxx uS” Line 4 “To Reset Push OFF/ON”...
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Page 15: Controller Programming: Programming Interface Overview
Appendix B - Controller Programming: 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 sets of settings stored in the CPU-.4... -
Page 16: Warranty
Appendix C - Controller Limited Warranty What the warranty covers: The ROC3-HE is warranted to be free from defects in materials and workmanship during the warranty period. If a product proves to be defective during the warranty period, Nelsen Corporation will at it’s sole option repair or replace the product with a like product.
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