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Siemens IONPURE VNX50HH-2 Operation & Maintenance Manual
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Siemens IONPURE VNX50HH-2 Operation & Maintenance Manual

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IONPURE
VNX50HH-2
CEDI
Modules
Operation
&
Maintenance
Manual
IP-MAN-VNX50HH2
June 2009
Manual Covers
Part#:
• IP-VNX50HH-2
10 Technology Drive
Lowell, Massachusetts 01851
Tel: (866) 876-3340 Fax: 978-934-9499

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  • Page 1 ® IONPURE VNX50HH-2 CEDI Modules Operation & Maintenance Manual IP-MAN-VNX50HH2 June 2009 Manual Covers Part#: • IP-VNX50HH-2 10 Technology Drive Lowell, Massachusetts 01851 Tel: (866) 876-3340 Fax: 978-934-9499...

  • Page 2: Table Of Contents

    ® IONPURE VNX50HH-2 CEDI Modules TABLE OF CONTENTS DISCLAIMER STATEMENT PROPRIETARY RIGHTS STATEMENT OPERATING MANUAL REVISION HISTORY INTRODUCTION 1.1. VNX50HH-2 model module Overview 1.2. Using this manual 1.3. Installation Precautions 1.4. Operating Precautions 1.5. Shutdown Precautions PRE-INSTALLATION: PREPARATION & REQUIREMENTS 2.1.
  • Page 3 ® IONPURE VNX50HH-2 CEDI Modules MAINTENANCE AND TROUBLESHOOTING 6.1. General Maintenance Guidelines 6.2. Specific Maintenance Guidelines 6.3. Cleaning Circumstances 6.4. Sanitization Circumstances 6.5. Required Cleaning and Sanitizing Equipment 6.6. System Preparation for Cleaning or Sanitization 6.7. Cleaning and Chemical Sanitization Procedures 6.8.

  • Page 4: Disclaimer Statement

    ® IONPURE VNX50HH-2 CEDI Modules DISCLAIMER STATEMENT The operation and maintenance manual should provide complete and accurate information to meet your operating and/or service requirements based on the information available at the time of publication. The information in this manual may not cover all operating details or variations or provide for all conditions in connection with installation, operation and maintenance.

  • Page 5: Operating Manual Revision History

    ® IONPURE VNX50HH-2 CEDI Modules OPERATING MANUAL REVISION HISTORY EVENT DATE DESCRIPTION Original publication August 2009 Operation & Maintenance Manual 1. INTRODUCTION This section contains the following instructions: • VNX50HH-2 model module overview - Brief introduction to components and models •...

  • Page 6: Using This Manual

    ® IONPURE VNX50HH-2 CEDI Modules 1.2. Using this manual Service technicians should review this manual prior to going to the site. It lists tools and materials needed to install the modules. It also outlines the site information required to prepare for installation. NOTE: The warranty may be void if installation or operation instructions contained in this manual are not followed exactly.

  • Page 7: Shutdown Precautions

    ® IONPURE VNX50HH-2 CEDI Modules • Do not operate the module under conditions other than those stated in the module manual. The prescribed feed water and electrical requirements, and flow configurations, must be followed at all times. If the feed water quality or the product water requirements change, contact the IONPURE Technical Support department for assistance.

  • Page 8: Electrical And Plumbing Connections

    Black – Figure 2-1: Junction Box End of Module Inlet and Outlet plumbing connections Ionpure VNX50HH-2 modules have molded PPO end blocks with FEMALE connections. There are four (4) necessary custom ACME thread connection points (for more information see Connection Drawings in Appendix B: •...
  • Page 9 ® IONPURE VNX50HH-2 CEDI Modules Table 2-1: Typical inlet/outlet configurations. Module Port Locations and Connection Types Module Connection type Recommended Configuration Inlet/outlet Configuration Model Same side inlet and outlet Side inlet opposite side outlet PVC included and installed with module Product Connection VNX50HH-2 Polypropylene available as a...

  • Page 10: Inspect The Module

    ® IONPURE VNX50HH-2 CEDI Modules Figure 2-3: Grounding Rod 2.3. Inspect the Module • Do not uncrate the module prior to moving it into its final location. After uncrating it, inspect it for any signs of damage. If damage is apparent, immediately notify your Local Service Provider and the carrier.

  • Page 11: Flow Rates And Pressure Drops

    ® IONPURE VNX50HH-2 CEDI Modules • Feed Water Requirements – RO Permeate Feed water for the VNX module must always meet the specifications outlined in Table 2-3. In most cases, pre-treating VNX module feed water with reverse osmosis (RO) will bring it within these specifications.

  • Page 12: Vnx Module Installation And Operation

    ® IONPURE VNX50HH-2 CEDI Modules 3. VNX MODULE INSTALLATION AND OPERATION This section contains the following installation information: • Moving and unpacking - Moving the Module into place and unpacking it • Connecting the Module - Connecting the plumbing and electrical. 3.1.
  • Page 13 ® IONPURE VNX50HH-2 CEDI Modules Modules are shipped with the connection ports installed. Product and Reject ports are labeled with color coded identification (see figure above). Blue Product port inlets (I) and outlets (O) are identified with Blue labels affixed near the appropriate end block connection points. Red Reject port inlets (I) and outlets (O) are identified with Red labels affixed near the appropriate end block connection points.
  • Page 14 ® IONPURE VNX50HH-2 CEDI Modules O-rings – O-rings are included with the plugs and pipe adapters. Connection adapters use white O-rings size (2-222) and an orange O-ring size (2-221) and are made of Silicon. The slightly larger o-ring (white) is 222. 2-221 Oring 2-221 Oring 2-222 Oring...

  • Page 15: Electrical Connections

    ® IONPURE VNX50HH-2 CEDI Modules 3.3. Electrical Connections Electrical Connections • VNX modules have on-board electrical junction boxes and follow common DC voltage color conventions. Only one electrical connection is required per module. Power connections to the module junction box should be made with 12AWG (3.31mm ) wire and conduit connections should be supplied through the 7/8”...

  • Page 16: Determine Operating Dc Current Prior To Startup

    ® IONPURE VNX50HH-2 CEDI Modules 4. DETERMINE OPERATING DC CURRENT PRIOR TO STARTUP The VNX50HH-2 modules are designed and tested to operate correctly at 8 amps. If the feed water meets the influent quality requirements for the VNX50HH-2, the current will be set independent of the Feed Water Conductivity (FCE).

  • Page 17: Startup Of Vnx-Hh Modules

    ® IONPURE VNX50HH-2 CEDI Modules Equation 5-1: Recovery Equations Product Flow Rate Product Flow Rate × × Recovery Feed Flow Rate Feed Flow Rate Recovery 5.3. Startup of VNX-HH modules • Make sure that modules are correctly connected to the DC power source. •...

  • Page 18: Maintenance And Troubleshooting

    ® IONPURE VNX50HH-2 CEDI Modules 6. MAINTENANCE AND TROUBLESHOOTING The following section details the maintenance procedures for the VNX module. It contains general maintenance information and specific maintenance information for cleaning and sanitizing the modules. The cleaning chemical volumes and flows detailed in this section are for a single VNX module. Multiply chemical volumes by number of modules in system This section also lists possible problems and troubleshooting procedures for the VNX module.

  • Page 19: Cleaning Circumstances

    ® IONPURE VNX50HH-2 CEDI Modules 6.3. Cleaning Circumstances The module may need CLEANING if: • product differential pressure increases by 50% without a change in temperature and flow, or • reject differential pressure increases by 50% without a change in temperature and flow, or •...

  • Page 20: System Preparation For Cleaning Or Sanitization

    ® IONPURE VNX50HH-2 CEDI Modules The preferred cleaning flow rates are nominal product flow and reject flow base on the module reject flow calculations in Table 6-1. Valves and Hoses Figure 6-1 shows a typical flow diagram for cleaning or sanitizing a VNX system. Valves are needed for mixing, cleaning, and draining the tank.

  • Page 21: Cleaning And Chemical Sanitization Procedures

    ® IONPURE VNX50HH-2 CEDI Modules Figure 6-1: Typical VNX-HH System Piping for Cleaning and Sanitization. 6.7. Cleaning and Chemical Sanitization Procedures • Avoid direct skin contact with cleaning chemicals. Wear safety glasses and protective clothing. • Pressure test cleaning skid with water before adding chemicals to tank. •...

  • Page 22: Cleaning With 2.0% Hydrochloric Acid (Hcl)

    ® IONPURE VNX50HH-2 CEDI Modules The system can be cleaned and sanitized with any of five (5) different solutions, depending on what needs to be removed: • Hydrochloric acid (2%) – For removing scale and metal oxides. • Sodium chloride/sodium hydroxide (5% brine/1% caustic) – For removing organic foulants and biofilm.
  • Page 23 ® IONPURE VNX50HH-2 CEDI Modules Fill the tank with the required amount of water. Mix the required amount of 36.5% (concentrated) HCl with the water in the tank. Additional HCl may be required during the recirculation period. Open the pump suction and pump bypass valves completely. Start the cleaning pump.

  • Page 24: Cleaning With 5% Brine + 1% Caustic Solution

    ® IONPURE VNX50HH-2 CEDI Modules Turn on the feed water supply to the system. Slowly open the feed valve to allow RO product water to flow through the module to drain. After flushing all residual cleaning solutions from the system, follow the initial start-up procedures in Section 5 of this manual.

  • Page 25: Cleaning Or Sanitizing With Sodium Percarbonate

    ® IONPURE VNX50HH-2 CEDI Modules STEP 2: Water Flush To Drain This Step flushes the cleaning solution out of the system, and prepares the system for return to operation. Remove product and reject lines from the cleaning tank and direct to drain. Close the cleaning pump discharge valve.
  • Page 26 ® IONPURE VNX50HH-2 CEDI Modules 1. Follow the instructions in Section 6.5 to prepare the VNX system for cleaning or sanitization. Make sure that the cleaning tank drain valve is closed. 2. Fill the tank with the required amount of water. 3.

  • Page 27: Sanitizing With Peracetic Acid

    ® IONPURE VNX50HH-2 CEDI Modules Start the cleaning pump. When chemicals are well mixed, gradually open the cleaning pump discharge valve while closing the bypass valve to adjust the product and reject flow rates to the values given in Section 6.5. Recirculate the solution through the module for 30 minutes.
  • Page 28 ® IONPURE VNX50HH-2 CEDI Modules Do not run a sanitization solution through the system when DC power is applied to the VNX module. The sanitization procedure for Peracetic Acid involves five steps: 1. An initial salt flush 2. A water flush 3.
  • Page 29 ® IONPURE VNX50HH-2 CEDI Modules 2. Start the cleaning pump and flush to drain for about three minutes. 3. Turn off the cleaning pump. 4. Drain the tank. STEP 3: Sanitization Solution Recirculation and Soak This step sanitizes the system. Chemicals needed for Step 3: VNX50-HH Water (RO permeate or CEDI product)
  • Page 30 ® IONPURE VNX50HH-2 CEDI Modules 3. Dissolve the sodium chloride (NaCl) in the water. 4. Start the cleaning pump and flush to drain for about three minutes. 5. Turn off the cleaning pump. 6. Drain the tank. STEP 5: Water Flush to Drain This step flushes the cleaning solution out of the system, and prepares the system for return to operation.

  • Page 31: Troubleshooting

    ® IONPURE VNX50HH-2 CEDI Modules TROUBLESHOOTING The troubleshooting chart in this Section is a diagnostic guide. If the VNX system does not respond to the recommended solutions, do not attempt further repairs. Call your Local Service Provider. Before calling: • Become thoroughly familiar with the module and all troubleshooting procedures.
  • Page 32 ® IONPURE VNX50HH-2 CEDI Modules VNX MODULE LOG SHEET Customer Name: ___________________________Module Serial Number: _____________ DATE TIME OF DAY °C FEED WATER TEMPERATURE ppm CaCO FEED WATER TOTAL HARDNESS ppm as Cl FEED WATER TOTAL CHLORINE FEED CARBON DIOXIDE ppm as CO FEED CONDUCTIVITY µmho/cm PRODUCT RESISTIVITY...
  • Page 33 ® IONPURE VNX50HH-2 CEDI Modules Troubleshooting Flow Chart - Increase in DC Volts Page 1 of 1 START HERE Are any DC wires Tighten connections loose? Feed Increase in DC voltage water temp is normal drop? Acid clean, Excess reduce CEDI feed hardness in hardness and/or CEDI reject?
  • Page 34 ® IONPURE VNX50HH-2 CEDI Modules Troubleshooting Flow Chart - Low CEDI Product or Reject Flow Page 1 of 1 START HERE Product Recalibrate or replace flowmeter flow meter incorrect? Clean RO or increase RO pressure making too little or increase RO feed water? temperature CEDI control...
  • Page 35 ® IONPURE VNX50HH-2 CEDI Modules Troubleshooting Flow Chart - Low CEDI Product Water Quality Page 1 of 3 START HERE CEDI Check IP-Pro: Adjust DC amperage feed TDS is desired quality Up for higher TDS changed? possible? Down for lower TDS Reduce TDS (clean or replace RO membranes)
  • Page 36 ® IONPURE VNX50HH-2 CEDI Modules Troubleshooting Flow Chart - Low CEDI Product Water Quality Page 2 of 3 Continued from previous flowchart Check IP-Pro: Increase Product flow is desired quality DC amperage increased? possible? Reduce flow or reduce feed conductivity equivalent See separate Have DC volts troubleshooting...
  • Page 37 ® IONPURE VNX50HH-2 CEDI Modules Troubleshooting Flow Chart - Low CEDI Product Water Quality Page 3 of 3 Continued from Previous Flowchart Clean CEDI with product flow NaCl/NaOH and decreased? Contact Ionpure Technical Removed particulates Support Did cleaning and/or biofilm: www.ionpure.com restore flow? review process...

  • Page 38: Shutdown And Storage

    ® IONPURE VNX50HH-2 CEDI Modules 8. SHUTDOWN AND STORAGE This section contains shutdown procedures for a VNX module. Under certain circumstances, bacterial growth can occur quickly in water left stagnant within each module and the overall system. 8.1. SYSTEM SHUTDOWN •...

  • Page 39: Appendix A: Vnx50Hh-2 Module Specifications

    ® IONPURE VNX50HH-2 CEDI Modules APPENDIX A: VNX50HH-2 MODULE SPECIFICATIONS A.1 Module Dimensions and Weight PART NUMBER DIMENSIONS, WEIGHT IP-VNX50HH-2 Height: 20 in (50.8 cm) Width: 20 in (50.8 cm) Length: 84.6 in (214.9 cm) Weight (wet): 825 lb (375 kg) A.2 VNX50-HH Module Inlet &...

  • Page 40: Appendix B: Vnx50Hh Layout & Elevation Drawing

    ® IONPURE VNX50HH-2 CEDI Modules APPENDIX B: VNX50HH LAYOUT & ELEVATION DRAWING B-1 Page 40 IP-MAN-VNX50HH2...

  • Page 41: Appendix B: Vnx50-Hh - Pid Drawing

    ® IONPURE VNX50HH-2 CEDI Modules APPENDIX B: VNX50-HH - PID DRAWING B-2 Page 41 IP-MAN-VNX50HH2...

  • Page 42: Appendix B: Vnx50-Hh - Electrical Connections Drawing

    ® IONPURE VNX50HH-2 CEDI Modules APPENDIX B: VNX50-HH - ELECTRICAL CONNECTIONS DRAWING B-3 Page 42 IP-MAN-VNX50HH2...

  • Page 43: Appendix C: Port Adapter And Plug Drawings

    ® IONPURE VNX50HH-2 CEDI Modules APPENDIX C: PORT ADAPTER AND PLUG DRAWINGS VNX50-HH - PVC CONNECTION DRAWING C-1 Page 43 IP-MAN-VNX50HH2...
  • Page 44 ® ® IONPURE IONPURE VNX50HH-2 CEDI Modules VNX50HH-2 CEDI Modules APPENDIX C: VNX50HH-2 - PVC PLUG DRAWING C-2 Page 44 Page 44 IP-MAN-VNX50HH2 IP-MAN-VNX50HH2...
  • Page 45 ® ® IONPURE IONPURE VNX50HH-2 CEDI Modules VNX50HH-2 CEDI Modules APPENDIX C: VNX50-HH - PP CONNECTION DRAWING C-3 Page 45 Page 45 IP-MAN-VNX50HH2 IP-MAN-VNX50HH2...
  • Page 46 ® IONPURE VNX50HH-2 CEDI Modules APPENDIX C: VNX50-HH - PP PLUG DRAWING C-4 Page 46 IP-MAN-VNX50HH2...

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