Veolia ELGA CENTRA-MDS-US Operator's Manual
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Veolia ELGA CENTRA-MDS-US Operator's Manual

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CENTRA-MDS/LDS/RDS - US
Operator Manual

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Summary of Contents for Veolia ELGA CENTRA-MDS-US

  • Page 1 CENTRA-MDS/LDS/RDS - US Operator Manual...
  • Page 3 ELGA LabWater is a trading name of VWS (UK) Ltd. ELGA® is the global laboratory water brand name of Veolia Water. ELGA®, PURELAB®, MEDICA® and CENTRA® are trademarks of ELGA LabWater.

  • Page 4: Table Of Contents

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA TABLE OF CONTENTS INTRODUCTION ..............1 Product Range ............1 Use of this Manual ............1 Customer Support ............1 HEALTH AND SAFETY NOTES .......... 2 Electricity ..............2 Pressure ..............2 Sanitization Chemicals ..........2 Control of Substances Hazardous to Health (COSHH)2 PRODUCT AND PROCESS DESCRIPTION ......
  • Page 5 ELGA CENTRA – MDS/LDS/RDS US Operator Manual 10.3 Manual recirculation sanitization (MDS and LDS) ..41 10.4 Manual recirculation sanitization procedure (MDS and LDS) ................42 TROUBLE SHOOTING ............43 CONSUMABLES AND ACCESSORIES ......45 KEY TO CONTROL PANEL ..........46 13.1 Icons ................

  • Page 7: Introduction

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual INTRODUCTION Product Range This operator manual has been prepared for the product models: CENTRA - MDS US 115V ac 60Hz CENTRA - MDS US 230V ac 50Hz CENTRA - MDS HF US 230V ac 50Hz CENTRA - LDS US 115V ac 60Hz CENTRA - LDS US...

  • Page 8: Health And Safety Notes

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA HEALTH AND SAFETY NOTES CENTRA products have been designed to be safe, however, it is important that personnel working on these units understand any potential dangers. All safety information detailed in this handbook is highlighted as WARNING and CAUTION instructions.

  • Page 9: Product And Process Description

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual PRODUCT AND PROCESS DESCRIPTION Product Description The CENTRA - MDS/LDS/RDS US range of water purification units has been specifically designed to distribute and maintain purified water for laboratory, medical and industrial applications. The supply of purified water is obtained from either an external source or internal technologies.

  • Page 10: Process Description

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA Process Description CENTRA – LDS US • Feed water enters through a control valve (V1), which in combination with the level sensor (LS1) controls the volume of water in the 350 liter (92USG) reservoir. •...
  • Page 11 ELGA CENTRA – MDS/LDS/RDS US Operator Manual WARNING: Any cylinders or additional equipment installed (filters etc.) including ring-main pipework, must be rated to the operating pressure of the CENTRA system (6 bar maximum). • The purified water is then passed through the UV (UV1) chamber where it is exposed to intense UV radiation to provide continuous bacterial control and to promote the cleavage of organic molecules before passing through an...
  • Page 12 CENTRA – MDS/LDS/RDS US Operator Manual ELGA • The purified water is then passed through the UV (UV1) chamber where it is exposed to intense UV radiation to provide continuous bacterial control and to promote the cleavage of organic molecules before passing through an absolute 0.2µm bacterial and particulate filter.

  • Page 13: Flow Diagrams

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual Flow Diagrams CENTRA - MDS/LDS US flow diagram CENTRA – RDS US flow diagram CENTRA – MDS/LDS/RDS US Version 01 – 08/14 Page 7...

  • Page 14: Technical Specification

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA Technical Specification Feedwater* and drain requirements Unit type MDS(HF) HFV/HFR HFV/HFR Source Potable tap water, preferably reverse osmosis of de-ionised Fouling Index (maximum) Feedwater flow – l/min (maximum) Feedwater pressure – bar (psi) - Maximum 10 (150) Feedwater pressure –...
  • Page 15 ELGA CENTRA – MDS/LDS/RDS US Operator Manual Electrical Requirements Mains input 230V ac, 50Hz 110V ac, 60 Hz System control voltage (not including pumps and UV) 24V dc Power consumption during recirculation (typical) 1200VA Electrical protection rating 20 amps Reservoir level connection for control of additional ELGA products Jack Plug 3.5mm DIN plug 6 way Noise level during recirculation...
  • Page 16 CENTRA – MDS/LDS/RDS US Operator Manual ELGA Safety Features Power fail safe Water temperature alarm (CENTRA - RDS only) Water quality alarm (CENTRA - RDS only) Leak detection alarm Access restricted by PASSkey Miniature circuit breaker protection of incoming electrical supply (MCB) Pump thermal overload Low voltage control circuit -24V dc Visual alarms...

  • Page 17: Installation Instructions

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual INSTALLATION INSTRUCTIONS WARNING! THIS UNIT IS HEAVY. NEVER ATTEMPT TO MOVE WITHOUT USING CORRECT LIFTING EQUIPMENT. Unpacking the CENTRA The following items should be supplied with your CENTRA: 1. CENTRA. 2. Operator Manual. 3.
  • Page 18 CENTRA – MDS/LDS/RDS US Operator Manual ELGA Service Access It is recommended that sufficient allowance be made for accessing components on the rear of the product, which may require servicing or replacement during its life in the field. WARNING! ONCE COMMISSIONED AND IN OPERATION THE CENTRA IS EXTREMELY HEAVY AND MUST MOVED.
  • Page 19 ELGA CENTRA – MDS/LDS/RDS US Operator Manual Remote Display RS485 Network The CENTRA has the ability to communicate to a number of remote displays allowing operating and alarm parameters to be changed and monitored throughout the installation. System constraints must be observed during installation to ensure satisfactory network performance.

  • Page 20: Connecting The Centra

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA Connecting the CENTRA Left side Once the CENTRA has been positioned the following hydraulic connections should be made: PORT NUMBER REFERENCE MDS MDS(HF) HFV/HFR HFV/HFR       Feedwater inlet ...
  • Page 21 ELGA CENTRA – MDS/LDS/RDS US Operator Manual Fig 1 - Schematic of typical CENTRA – MDS/LDS US distribution loop Fig. 2 - Schematic of typical CENTRA – RDS US distribution loop CENTRA – MDS/LDS/RDS US Version 01 – 08/14 Page 15...
  • Page 22 CENTRA – MDS/LDS/RDS US Operator Manual ELGA Step 2a - Electrical supply connection (CENTRA – MDS) WARNING! FAILURE TO CORRECTLY INSTALL THE ELECTRICAL SUPPLY COULD RESULT IN DEATH. DOUBT CONTACT QUALIFIED ELECTRICAN. ENSURE a suitable cable is available to connect the CENTRA to the electrical supply.
  • Page 23 ELGA CENTRA – MDS/LDS/RDS US Operator Manual 14. REPLACE the earthing nut and washers and TIGHTEN. WARNING! THIS APPLIANCE MUST BE PROPERLY EARTHED. 15. REPLACE the electrical cover and screws and ensure an effective seal from water ingress INSTALL the level control cable as described in Section 4.3, Step 3 - Level control connections for external water treatment equipment.
  • Page 24 CENTRA – MDS/LDS/RDS US Operator Manual ELGA 11. RETIGHTEN the screws. 12. PULL the cable firmly and ENSURE that the cable is properly retained. 13. CONNECT the supply cable to the MCB ensuring correct termination and polarization. CAUTION! The termination of cables should comply with local wiring regulations.
  • Page 25 ELGA CENTRA – MDS/LDS/RDS US Operator Manual Step 3 - Level control connection for external water treatment equipment The level control connection is required when the CENTRA is connected to the following supplies: • PURELAB Prima 20. • PURELAB Prima 30/60/90/120. •...

  • Page 26: Controls

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA CONTROLS The CENTRA operates with a tactile membrane control panel, which has a graphics display window and four-programmable function control buttons. Details of how to use the controls will be given in the appropriate sections.

  • Page 27: Passkeys

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual PASSkeys Each unit is supplied with the following PASSkeys: Master PASSkey (Black) 1off User PASSkey (Blue) 4off Sanitization PASSkey (Green) 2off The Master PASSkey should be stored in a safe place. The Master PASSkey controls the access level of the other PASSkeys and has access to all customer preferences.
  • Page 28 CENTRA – MDS/LDS/RDS US Operator Manual ELGA A series of set-up screens will now be displayed. Various control icons are used to allow you to step through the set-up instruction process. These icons include: • A “scroll” icon indicated by an arrow •...
  • Page 29 ELGA CENTRA – MDS/LDS/RDS US Operator Manual Step 5 - Volume/flow - displayed unit of measurement The reservoir volume and recirculation flow can be displayed in either liters (L) or US Gallons (USG). PRESS SCROLL to change mode (L or USG) PRESS TICK ...
  • Page 30 CENTRA – MDS/LDS/RDS US Operator Manual ELGA Step 9 - Quality alarm settings QS1 (RDS variants) This screen is used for setting the value at which the quality alarm will activate. PRESS SCROLL to select alarm point. (Increments of 10, ranging from 20 to 100µS/cm). If ‘0’...
  • Page 31 ELGA CENTRA – MDS/LDS/RDS US Operator Manual PRESS SCROLL select alarm point (increments of 1, ranging from 20 to 50°C) PRESS TICK  to proceed to step 13. PRESS TICK . ° Note: If the water temperature rises above 55 C in the system the unit will alarm, stop and await operator intervention - alarm will be reset once...
  • Page 32 CENTRA – MDS/LDS/RDS US Operator Manual ELGA Step 15 - Operational day selection Select days that the CENTRA is required to operate by highlighting the appropriate box. Monday = 1 through to Sunday = 7 PRESS SCROLL to enter selection screen PRESS TICK ...
  • Page 33 ELGA CENTRA – MDS/LDS/RDS US Operator Manual Step 19 - Data transmit The frequency of the data transmittal to the printer or PC is selectable. PRESS SCROLL to change transmit intervals (1,5,15,30min / 1,6 hour) PRESS TICK  to proceed to step 20. Data transmit screen PRESS TICK .
  • Page 34 CENTRA – MDS/LDS/RDS US Operator Manual ELGA Step 21 - Programming of user PASSkeys During the operational life of the CENTRA it may be necessary to delete or add User PASSkeys to prevent or allow access to user preferences. This feature is only available Master PASSkey...

  • Page 35: Setting Up Replacement Timers / Reminders

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual Setting Up Replacement Timers / Reminders Step 1 - Enter consumable replacement timer set-up TURN unit off at main electrical supply. Note: Allow sufficient time for the display to go blank after power is removed. SWITCH main electrical supply on.
  • Page 36 CENTRA – MDS/LDS/RDS US Operator Manual ELGA Step 5 - Sanitization reminder (RDS) PRESS RESET button to reset 0.2µm Filter Replacement Date PRESS TICK  to accept Replacement Date and complete settings. PRESS TICK  confirm that resetting is required Sanitization reminder screen χ...

  • Page 37: Commissioning

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual COMMISSIONING Initial Start Up Step 1 - Ion-exchange cylinders ENSURE that any Ion-exchange cylinders are ISOLATED from the recirculation loop (if applicable). Step 2 - Electrical supply The electrical supply to the CENTRA should be installed correctly as described in Section 4.3, Step 2.
  • Page 38 CENTRA – MDS/LDS/RDS US Operator Manual ELGA Pressure regulating valve Step 4 - Installation of ion-exchange/purification media cylinders (optional with CENTRA – RDS US) Note: highly recommended that ion- exchange/purification media cylinders flushed to drain locally before being installed in the distribution loop.
  • Page 39 ELGA CENTRA – MDS/LDS/RDS US Operator Manual CENTRA LDS/RDS US HFR VERSION The pressure within the distribution loop is automatically controlled by the unit and is set at a factory default of 3 bar (typically) at the end of the distribution loop. To adjust the pressure in the distribution loop requires specialist equipment and it is recommended that changes are made by an ELGA LabWater Service Engineer.

  • Page 40: Operation

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA OPERATION CENTRA has the following modes of operation: • Continuous Recirculation (24/7). • Night service/Operational day. • Sanitization Cycle (See Section 10 - Sanitization Procedures). Night service/Operational day Refer to Section 5.2 - Step14 and 15. CENTRA can be programmed to operate on specific days between selected times.

  • Page 41: Monitoring

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual MONITORING Key operating parameters are displayed during operational modes. Fill and recirculation Displayed value Auto scroll* Manual scroll*   Product quality*   Product temperature*   Flowrate from outlet   Pressure at end of distribution loop* ...

  • Page 42: Maintenance

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA MAINTENANCE An approved supplier or distributor should carry out any maintenance work not detailed in this handbook. If further information is required on any aspect of maintenance please contact Customer Service. WARNING! ALWAYS CHECK THAT MAINS...

  • Page 43: Replacing The Bacterial And Particulate Filter Lc160 (Rds) Filt 50105 (Rds/Hfv/Hfr)

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual Note: During operation, small amounts of condensate may form in the filter. 14. RESET the consumable reminder as described in section 5.3, Step 2. Replacing the bacterial and particulate filter LC160 (RDS) FILT 50105 (RDS/HFV/HFR) An absolute filter is essential on installations where a bacterial or particulate specifications are required.

  • Page 44: Replacement Of Uv Lamp Lc158

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA 13. PRESS PROCESS button and allow unit to enter recirculation. 14. CHECK filter housing for leaks. 15. REPLACE spanner in door and secure door closed. 16. RESET the consumable reminder as described in Section 5.3, Step 3.

  • Page 45: Installation / Replacement Of Ion-Exchange / Purification Media Cylinders (Optional Accessory) (Rds Only)

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual Installation / replacement of ion-exchange / purification media cylinders (optional accessory) (RDS only) The installation of ion-exchange cylinders is only required to improve or maintain water quality. CAUTION! The CENTRA system can produce pressures up to 6 bar within the DI distribution loop.

  • Page 46: Sanitization Procedures

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA SANITIZATION PROCEDURES The unit is sanitized to help reduce the bacteria within the pipework, and reservoir. Please read this entire section to become familiar with the procedure before you start. It is recommended that feed water supplies to the CENTRA are sanitized once a month to maintain low bacterial counts.

  • Page 47: Manual Recirculation Sanitization (Mds And Lds)

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual When directed REMOVE filter bowl (FH1) using the filter spanner. REMOVE filter (LC160). EMPTY remaining water from bowl. ATTACH chemical tube (TUBE37548) to underside of the filter housing. POUR 900ml of sanitant into filter bowl and refit. TIGHTEN with filter spanner.

  • Page 48: Manual Recirculation Sanitization Procedure

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA Note: The display now shows that the unit is in sanitization mode. This will shown on all remote displays connected to the network. 10.4 Manual recirculation sanitization procedure (MDS and LDS) PRESS process button commence recirculation.

  • Page 49: Trouble Shooting

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual TROUBLE SHOOTING This section highlights the problems that could occur with CENTRA and how to rectify them. If a problem occurs the unit will normally sound an alarm and the respective icons will flash. The audible alarm can be silenced by pressing the mute button.
  • Page 50 CENTRA – MDS/LDS/RDS US Operator Manual ELGA Problems Action 0.2µm filter Mute Alarm. Replace filter. See section 9.2 change reminder - Replacing the bacterial and particulate alarm filter. (RDS/RDS(HF)) If problem persists call Customer Services. UV change Mute alarm. Replace UV lamp. See Section reminder 9.3 - Replacing UV Lamp.

  • Page 51: Consumables And Accessories

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual CONSUMABLES AND ACCESSORIES Cat No Unit Type Consumable Max. Max. Service Shelf Life* Life LC156 RDS variants Composite vent filter 6 months 2 years (optional) LC157 MDS/MDS(HF)/ Bacterial vent filter 6 months 2 years LC158 RDS variants UV lamp 254Nm...

  • Page 52: Key To Control Panel

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA KEY TO CONTROL PANEL 13.1 Icons ICON DESCRIPTION ICON DESCRIPTION Accept Feed Auto restart PASSkey Scroll back Leak detection Step back Locked Level sensor Bell disconnect Standby Menu Bypass DI Mute alarm Calibration Night point Cancel sample...

  • Page 53: Alarm Conditions

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual ICON DESCRIPTION ICON DESCRIPTION Fast timer Reset Sanitization Fill PASSkey Sanitization Filter reminder Filter recirc. Sanitization loop rinse Add chemical Scroll High pressure Transport mode Recirc Right Viewing angle Sample 13.2 Alarm Conditions Screen Fault Possible cause...

  • Page 54: Replacement Timers

    CENTRA – MDS/LDS/RDS US Operator Manual ELGA Screen Fault Possible cause Feed quality RO operating above alarm quality alarm setting – (measurement allow time to rinse up, flashing) check quality alarm (RDS/RDS(HF)) setting and feed quality. Feed temperature Feed water temperature alarm above alarm setting –...

  • Page 55: Warranty/Conditions Of Sale

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual WARRANTY/CONDITIONS OF SALE ELGA LabWater is a trading name of VWS (UK) Ltd. General Limited Warranty VWS (UK) Ltd warrants the products manufactured by it against defects in materials and workmanship when used in accordance with applicable instructions for a period of one year from the date of shipment for the products.
  • Page 56 CENTRA – MDS/LDS/RDS US Operator Manual ELGA option, any product or part thereof that proves to be defective in materials or workmanship within the warranty period, provided the customer notifies VWS (UK) Ltd promptly of any such defect. The cost of labor for the first ninety (90) days of the above warranty period is included in the warranty;...

  • Page 57: Useful Contact Details

    ELGA CENTRA – MDS/LDS/RDS US Operator Manual USEFUL CONTACT DETAILS ELGA LabWater Lane End Industrial Park High Wycombe Bucks HP14 3BY Tel: +44 (0) 203 567 7300 Fax: +44 (0) 203 567 7205 E-mail: techsupport@elgalabwater.com For the address of your nearest ELGA LabWater Sales and Service office visit the country list on our website http://www.elgalabwater.com or contact ELGA at the number above.

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