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Evoqua Water Technologies, LLC
558 Clark Road
Tewksbury, Massachusetts 01876, USA
ionpure@evoqua.com
www.ionpure.com
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IONPURE
LX CEDI
Modules
Operation
&
Maintenance
Manual
IP-MAN-LX-1220-EN
Rev 3
December 2020
This manual covers
model numbers:
· IP-LXM - - EU-4
· IP-LXM - - HI-3
· IP-LXM - - X-4
· IP-LXM - - Z-5
®
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Table of Contents
Troubleshooting
Related Manuals for Evoqua IONPURE IP-LXM04
Summary of Contents for Evoqua IONPURE IP-LXM04
- Page 1 December 2020 This manual covers model numbers: · IP-LXM - - EU-4 · IP-LXM - - HI-3 · IP-LXM - - X-4 Evoqua Water Technologies, LLC · IP-LXM - - Z-5 558 Clark Road Tewksbury, Massachusetts 01876, USA ionpure@evoqua.com (email) www.ionpure.com...
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Page 2: Table Of Contents
® IONPURE LX CEDI Modules TABLE OF CONTENTS DISCLAIMER STATEMENT PROPRIETARY RIGHTS STATEMENT MANUAL USER'S GUIDE OPERATING MANUAL REVISION HISTORY INTRODUCTION 1.1. LX Product Family 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 LX CEDI Modules 3.2. Checking Tie Bar Torque 3.2.1. Tightening End Plate Tie-bar Nuts 3.3. Water Connection Configuration and Fittings 3.3.1. LX Piping Adapter Sealing Mechanism – EU, X, Z Modules (BSP Male) 3.3.2. LX Piping Adapter Sealing Mechanism – HI Modules (BSP Female) 3.4.
- Page 4 ® IONPURE LX CEDI Modules 6.4. Clean-In-Place (CIP) System Construction 6.5. Chemical Cleaning and Sanitization Precautions 6.6. Typical Procedure for Cleaning or Sanitization 6.6.1 Preparation 6.6.2 Cleaning 6.6.3 Return to service 6.7. Cleaning Solution Recipes 6.8. Recommended Grades for Cleaning Chemicals 6.9.
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Page 5: Disclaimer Statement
® IONPURE LX 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 6: Operating Manual Revision History
® IONPURE LX CEDI Modules Cautions indicate a situation that may cause damage or destruction of equipment or may pose a long-term health hazard. Warnings indicate condition, practices, or procedures which must be observed to avoid personal injury or fatalities. IONPURE continually strives to provide safe, efficient, trouble-free equipment using the optimum technology for your application. -
Page 7: Introduction
® IONPURE LX CEDI Modules 1. INTRODUCTION 1.1. LX Product Family Overview Ionpure LX modules are medium flow rate CEDI devices. Their compact state-of-the-art design assures ease of installation, maintenance, and service. LX modules are available in the following sizes: Size Nominal Flow Description... -
Page 8: Using This Manual
® IONPURE LX CEDI Modules 1.2. Using This Manual Service technicians should review this manual prior to going to the installation 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 9: Operating Precautions
® IONPURE LX CEDI Modules · Always flush out the piping to remove any debris before operating the LX module. · Installation of the LX module must be completed in accordance with the procedures outlined in this manual. If deviations from the prescribed procedures are deemed necessary to achieve the desired performance, consult your local Service Provider. -
Page 10: Pre-Installation: Preparation & Requirements
® IONPURE LX CEDI Modules 2. PRE-INSTALLATION: PREPARATION & REQUIREMENTS 2.1. Tools Required · Dolly or forklift to move the module into place · Cords, cables or straps to secure module to dolly or forklift · Slip joint pliers, for tightening of plumbing connectors ·... -
Page 11: Electrical And Plumbing Connection Requirements
® IONPURE LX CEDI Modules 2.3. Electrical and Plumbing Connection Requirements · Two electrical junction boxes are included with all LX modules, one on each of the LX endplates. A single conduit connection is required through a 1/2” NPT hole on the bottom of either junction box to provide power to the CEDI module. -
Page 12: Operating Environment
® IONPURE LX CEDI Modules 2.4.1. Operating Environment The LX module requires indoor installation out of direct sunlight. The maximum ambient temperature should not exceed 113 °F (45° C). The module can tolerate humidity of up to 90%, as long as condensation does not occur. 2.4.2. -
Page 13: Drain Requirements
® IONPURE LX CEDI Modules within these specifications. Depending on the conditions, however, some sites may require additional pretreatment. To determine if additional pretreatment is required, compare the LX feed water on site with the feed water requirements listed below. NOTE: Recycling the LX reject to the RO feed will cause the CO load on the LX to increase, and may have an impact on the LX product water quality. -
Page 14: Lx Module Installation
® IONPURE LX CEDI Modules 3. LX MODULE INSTALLATION 3.1. Preparation Confirm that the pre-installation requirements outlined in Section 2 are met and the system is ready for LX Module installation. · Remove any packaging materials and move the module to its operating location. -
Page 15: Checking Tie Bar Torque
® IONPURE LX CEDI Modules 3.2. Checking Tie Bar Torque The nuts on the threaded tie bars can loosen during shipment, and if not retightened the pressure from the incoming water can cause permanent damage. Therefore, the tie bar nut torque must be checked and the module tightened as required after any transport and before flowing water into the module. -
Page 16: Water Connection Configuration And Fittings
® IONPURE LX CEDI Modules 3.3. Water Connection Configuration and Fittings Make sure all upstream pretreatment equipment and piping have been thoroughly flushed with particle-free water before connecting them to the LX Module. Flushing removes any particles left in the piping from cutting and assembly. -
Page 17: Lx Piping Adapter Sealing Mechanism - Hi Modules (Bsp Female)
® IONPURE LX CEDI Modules Figure 3-3 LX Piping Adapter Sealing Mechanism: Non-HWS Modules 3.3.2. LX Piping Adapter Sealing Mechanism – HI Modules (BSP Female) The female threads in the LX HI module endblock are BSP parallel threads. They are NOT TAPERED pipe threads and the threads DO NOT CREATE the seal, they allow the sealing surfaces to move towards each other and they hold the piping adapter in place. -
Page 18: Electrical Connections
® IONPURE LX CEDI Modules 3.4. Electrical Connections All LX modules have two electrical junction boxes (one on each endplate) to allow convenient connection of the module to the DC power supply that provides the driving force for the electrodeionization process. Only one electrical connection is required per module, and either junction box can be used. -
Page 19: Cedi System Design Considerations
® IONPURE LX CEDI Modules · Ensure that polarity of DC connections is correct before applying DC power. Operation with polarity reversed will permanently damage the cathode. It is critical that the red and black wires are correctly oriented on the positive (+) and negative (-) terminal blocks. -
Page 20: Preparation For Startup
The best way to determine the amount of DC current required is to use the Ionpure projection tool, IP-PRO: https://ippro.evoqua.com/ Alternatively, it can be estimated using the equation below (based on Faraday’s Law). NOTE: Contact local Ionpure Technical support for assistance. -
Page 21: Start-Up Procedure
® IONPURE LX CEDI Modules 5. START-UP PROCEDURE 5.1. Test Interlocks · Test flow switches and other interlocks, including the RO interlock if applicable · Test pressure relief if applicable · Set alarm points 5.2. Startup of LX Modules · Make sure that modules are correctly connected to the DC power source. ·... -
Page 22: Example Calculation Of Recovery
® IONPURE LX CEDI Modules · The maximum allowable LX water recovery depends on feed water concentrations of silica and hardness, as shown in Table 5-2, below. · 95% recovery may not be attainable below nominal product flow, because minimum reject flow must be satisfied (see Table 5-1, above). -
Page 23: Maintenance And Troubleshooting
® IONPURE LX CEDI Modules 6. MAINTENANCE AND TROUBLESHOOTING The following section details the maintenance procedures for the LX module. It contains general maintenance information and specific maintenance information for cleaning and sanitizing the modules. The cleaning chemical volumes & flows detailed in this section are for a single LX module. Multiply chemical volumes by number of modules in system. -
Page 24: Cleaning And Sanitization Prompts
® IONPURE LX CEDI Modules · Sodium percarbonate – for removing organic foulants, reducing pressure drop, and sanitizing. · Peracetic acid – used for routine sanitizing to discourage the growth of bacterial films. · Aggressive multi-agent cleaning – this sequential cleaning protocol of caustic, percarbonate, brine and acid is recommended for heavily biofouled systems. - Page 25 ® IONPURE LX CEDI Modules Figure 6-1: Typical CEDI CIP System Table 6-1 LX CEDI Cleaning Flow Rates (per module) 4-cell 10-cell 18-cell 24-cell 30-cell 45-cell Product gpm 1.0-3.0 2.5-7.5 4.5-13.5 6.3-18.8 7.5-22.5 11.3-33.8 0.23-0.68 0.6-1.7 1.0-3.1 1.4-4.3 1.7-5.1 2.6-7.7 Reject 0.5-1.5 1.3-3.8...
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Page 26: Chemical Cleaning And Sanitization Precautions
® IONPURE LX CEDI Modules 6.5. Chemical Cleaning and Sanitization Precautions · Avoid direct skin contact with cleaning chemicals. Use appropriate Personal Protective Equipment (PPE), such as safety glasses, gloves and protective clothing. Consult SDS from chemical supplier, or International Chemical Safety Card if available. See https://www.ilo.org/safework/info/publications/WCMS_113134/l ang--de/index.htm ·... -
Page 27: Return To Service
® IONPURE LX CEDI Modules · Fill the tank with the required amount of water, according to the applicable solution recipe in Section 6.7. · Circulate water through the CEDI system, check CIP apparatus for leaks, fix any leaks if present. ·... -
Page 28: Cleaning Solution Recipes
® IONPURE LX CEDI Modules 6.7. Cleaning Solution Recipes Use appropriate PPE when using any of below chemicals for cleaning CEDI modules. Consult SDS from chemical supplier. Table 6-2 Hydrochloric acid, 2% 4-cell 10-cell 18-cell 24-cell 30-cell 45-cell 4 gal 9 gal 16 gal 21 gal... - Page 29 ® IONPURE LX CEDI Modules Table 6-5 Sodium chloride, 5% 4-cell 10-cell 18-cell 24-cell 30-cell 45-cell 4 gal 9 gal 16 gal 21 gal 26 gal 40 gal Water (15 L) (35 L) (60 L) (80 L) (100 L) (150 L) 1.7 lbs 4.0 lbs 7.0 lbs...
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Page 30: Recommended Grades For Cleaning Chemicals
® IONPURE LX CEDI Modules Table 6-8 Sodium hydroxide (2%) 4-cell 10-cell 18-cell 24-cell 30-cell 45-cell 4 gal 9 gal 16 gal 21 gal 26 gal 40 gal Water (15 L) (35 L) (60 L) (80 L) (100 L) (150 L) NaOH 0.7 lb 1.6 lb... -
Page 31: Hot Water Sanitization (Hws)
® IONPURE LX CEDI Modules 6.9. Hot Water Sanitization (HWS) Only the LX-HI series of Ionpure CEDI modules is compatible with hot water sanitization at 80-90°C. It is important to maintain feed pressure below 30 psig during hot water sanitization to prevent module damage. Water used for HWS must meet all feed water specifications for continuous operation given in Table 2-3 (except temperature). -
Page 32: Hws Phase 3 - Return To Service
® IONPURE LX CEDI Modules · Continue re-circulation for 1 hour. 6.8.3 HWS Phase 3 – Return to service · Turn off water heater and sanitization pump. · Close pump discharge valve. · Drain tank following all local discharge limitations. ·... -
Page 33: Troubleshooting
® IONPURE LX CEDI Modules 7. TROUBLESHOOTING The troubleshooting chart in this Section is a diagnostic guide. If the LX system does not respond to the recommended solutions, do not attempt further repairs. Call your Local Service Provider. Before calling: ·... - Page 34 ® IONPURE LX CEDI Modules TYPICAL LX MODULE LOG SHEET Site Name: _____________________ Module Serial Number: ___________________ DATE TIME OF DAY Feed water temperature °C Feed water total hardness as CaCO Feed water total chlorine as Cl ppm as Feed water carbon dioxide Feed water conductivity µS/cm Product water resistivity...
- Page 35 ® IONPURE LX 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 36 ® IONPURE LX 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 37 ® IONPURE LX 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 38 ® IONPURE LX 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 39 ® IONPURE LX 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...
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Page 40: Shutdown And Storage
® IONPURE LX CEDI Modules 8. SHUTDOWN AND STORAGE This section contains shutdown procedures for a LX module. Under certain circumstances, bacterial growth can occur quickly in water left stagnant within each module or the overall system. 8.1. System Shutdown ·... -
Page 41: Appendix A: Lx Module Specifications
APPENDIX A: LX MODULE SPECIFICATIONS A.1 LX Module Dimensions and Weight Height Width Length Shipping weight Service weight Module inches (mm) inches (mm) inches (mm) lbs (kg) lbs (kg) LX-04 23.84 (605.5) 12.54 (318.5) 11.81 (300.0) 140 (64) 79 (36) 23.84 (605.5) 12.54 (318.5) 180 (82) - Page 42 ® IONPURE LX CEDI Modules A.2 Typical LX Module Flow Rates, Pressure Drops & Performance Module LX-04 LX-10 LX-18 LX-24 LX-30 LX-45 Product flow 11.3 Minimum /hr) (0.22) (0.55) (1.1) (1.4) (1.65) (2.55) Product flow 12.5 15.0 22.5 Nominal /hr) (0.44) (1.1) (2.0)
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Page 43: Appendix B1: Lx Layout & Elevation Drawing (Eu, X, Z)
® IONPURE LX CEDI Modules APPENDIX B1: LX LAYOUT & ELEVATION DRAWING (EU, X, Z) Page 43 IP-MAN-LX-1220-EN.pdf... -
Page 44: Appendix B2: Lx Layout & Elevation Drawing (Hi)
® IONPURE LX CEDI Modules APPENDIX B2: LX LAYOUT & ELEVATION DRAWING (HI) Page 44 IP-MAN-LX-1220-EN.pdf... -
Page 45: Appendix B3: Lx Junction Box Drawing (All Models & Sizes)
® IONPURE LX CEDI Modules APPENDIX B3: LX JUNCTION BOX DRAWING (ALL MODELS & SIZES) Connect DC power supply to anode junction box or cathode junction box, not both. Page 45 IP-MAN-LX-1220-EN.pdf... -
Page 46: Appendix C: Lx Adapter List
® IONPURE LX CEDI Modules APPENDIX C: LX ADAPTER LIST Old Part New Part Module Number Number Description Material Type LBE0070 W2T211271 0.75" FBSP X MINI TRI-CLAMP EU, X, Z Reject LBE0071 W2T211272 1.25" FBSP X MAXI TRI-CLAMP EU, X, Z Product LBEP137 W2T211321... -
Page 47: Appendix D: Lx Materials Of Construction & Approvals
® IONPURE LX CEDI Modules APPENDIX D: LX MATERIALS OF CONSTRUCTION & APPROVALS All IONPURE CEDI Modules Wetted Component Material US / FDA* Anion Exchange Membrane Heterogeneous: PE/AER 21 CFR 173.20 2002/72/EC¹ Cation Exchange Membrane Heterogeneous: PE/CER 21 CFR 173.20 2002/72/EC¹... - Page 48 ® IONPURE LX CEDI Modules APPENDIX D: LX MATERIALS OF CONSTRUCTION & APPROVALS (Continued) LX-EU: European Union (non-HWS) Wetted Component Material FDA* (US) NSF (US) Dilute & Concentrate ANSI/NSF 61 Polysulfone 21 CFR 177.1655 2002/72/EC Spacer ANSI/NSF 51 Thermoplastic Elastomer Endblock Gaskets 21 CFR177.2600 ANSI/NSF 51...
- Page 49 ® IONPURE LX CEDI Modules Appendix D footnotes * United States FDA, Title 21 of the Code of Federal Regulations (CFR 21) as safe to use in contact with food ‡ LX-HI Spacer material in compliance with United States Pharmacopeia (USP) criteria for Class VI Plastics.
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