Millipore Elix 35 User manual

User Manual
Elix® 35, 70 Clinical

Notice
The information in this document is subject to change without notice and should not be construed as a commitment by Millipore
SAS. Millipore SAS assumes no responsibility for any errors that might appear in this document. This manual is believed to be
complete and accurate at the time of publication. In no event shall Millipore SAS be liable for incidental or consequential
damages in connection with or arising from the use of this manual.
We manufacture and sell water purification systems designed to produce pure or ultrapure water with specific characteristics
(µS/cm, T, TOC, CFU/ml, Eu/ml) when it leaves the water purification system provided that the systems are fed with water quality
within specifications, and properly maintained as required by the supplier.
We do not warrant these systems for any specific applications. It is up to the end user to determine if the quality of the water
produced by our systems matches his expectations, fits with norms/legal requirements and to bear responsibility resulting from
the usage of the water.
Copyright
2012 Millipore SAS. Printed in France. All rights reserved. This book or parts thereof may not be reproduced in any form
without the written permission of the publishers. The photos are non-contractual.
PF09548 - V3.0 – 12/2012
Manufacturer: MILLIPORE SAS, 67120 MOLSHEIM, FRANCE.
Trademarks
Elix, Progard, Q-Gard are a registered trademark of Merck KGaA, Darmstadt, Germany.
RiOs, RoClean, Merck Millipore and the M logo are trademarks of Merck KGaA, Darmstadt, Germany.
All other trademarks are trademarks of their respective owners

Product warranty and limitation of liability
The applicable warranty and limitation of liability for the products listed in this publication may be found at
http://www.millipore.com/ec/cp3/terms within the "Terms and Conditions of Sale" applicable to your purchase transaction.
Recycling
Directive 2002/96 EC: For European users only
The symbol “crossed bin” on a product or its packaging indicates that the product should not be treated like
household waste when discarded. Instead the product should be disposed of at a location that handles
discarded electric or electronic equipment.
Proper disposal of equipment containing electric or electronic components will help to reduce pollution effects
to the environment or to human health. Proper recycling of these products helps in environmental
preservation and helps to protect natural resources. For more information about recycling of products
containing electric or electronic components, please contact your local recycling representative or
organization.
Use appropriate means for lifting and carrying.
Pay special attention to how you handle the system in order not to damage your back.
Lift by straightening your legs. Let your leg muscles, not your back muscles, do the work.

Table of Contents
CHAPTER 1INTRODUCTION ................................................................................................................................. 1
1-1 USING THIS MANUAL ..................................................................................................................................................................................................1
Matching this manual with your water purification system ...........................................................................................................................1
Installation Information..............................................................................................................................................................................................1
How to use the Keypad and the LCD ......................................................................................................................................................................2
Commonly Used Abbreviations in this Manual....................................................................................................................................................3
1-2 SAFETY INFORMATION .................................................................................................................................................................................................4
Safety Statement..........................................................................................................................................................................................................4
Safety Symbols ..............................................................................................................................................................................................................4
1-3 CONTACT MILLIPORE ...................................................................................................................................................................................................4
By Internet......................................................................................................................................................................................................................4
Manufacturing Site ......................................................................................................................................................................................................4
CHAPTER 2PRODUCT INFORMATION .................................................................................................................... 5
2-1 GENERAL DESCRIPTION ................................................................................................................................................................................................5
2-2 WATER SPECIFICATIONS ..............................................................................................................................................................................................5
Feed Water Requirements..........................................................................................................................................................................................5
Flow Rates to Reservoir...............................................................................................................................................................................................5
Product Flow Rates to the Analyzer........................................................................................................................................................................5
Water Quality to Reservoir (Type II) ........................................................................................................................................................................6
Product Water Quality (Type I) .................................................................................................................................................................................6
2-3 TECHNICAL SPECIFICATIONS.........................................................................................................................................................................................7
Dimensions .....................................................................................................................................................................................................................7
Weight .............................................................................................................................................................................................................................7
Environmental................................................................................................................................................................................................................8
Electrical requirements ...............................................................................................................................................................................................8
Materials of construction for wetted components.............................................................................................................................................8
Noise level.......................................................................................................................................................................................................................8
2-4 SCHEMATIC OF MAIN COMPONENTS............................................................................................................................................................................9
2-5 DESCRIPTION OF MAIN COMPONENTS.......................................................................................................................................................................10
Inlet Solenoid Valve (item 1) ..................................................................................................................................................................................10
Progard® TL System Pretreatment Pack (item 2)..............................................................................................................................................10
Flowmeter (item 3)....................................................................................................................................................................................................10
Feedwater Pressure Sensor (item 4) ..................................................................................................................................................................... 10
Feedwater Conductivity Cell (item 5) ..................................................................................................................................................................11
RO Pump (item 6) ......................................................................................................................................................................................................11
RO Cartridge (item 7)................................................................................................................................................................................................11
RO Permeate Water Flow Controller (item 8)....................................................................................................................................................11
RO Permeate Water Conductivity Cell (item 9) ................................................................................................................................................11
RO Permeate Water Divert Valve (item 10)........................................................................................................................................................11
Elix Module (item 11) ...............................................................................................................................................................................................11
Elix Module Product Water Resistivity Cell (item 12).....................................................................................................................................11

Table of Contents
UV Lamp (item 13).....................................................................................................................................................................................................12
Distribution Pump (item 15) ...................................................................................................................................................................................12
Q-Gard® TL Polishing Pack (item 17)....................................................................................................................................................................12
Product Water Resistivity Cell (item 18).............................................................................................................................................................12
Product Water Pressure Switch (item 21)...........................................................................................................................................................12
Recirculation Solenoid Valve (item 22)................................................................................................................................................................12
Loop Back Pressure Regulator (item 23)..............................................................................................................................................................13
Pressure Sensor (item 26) ........................................................................................................................................................................................13
RO Reject Water Flow Control Valve (item 27) .................................................................................................................................................13
RO Reject Flush Valve (item 28).............................................................................................................................................................................13
60 L or 100 L Reservoir.............................................................................................................................................................................................13
2-6 DESCRIPTION OF INPUT AND OUTPUT CONNECTIONS.................................................................................................................................................14
Ports ...............................................................................................................................................................................................................................14
Electrical Connections ..............................................................................................................................................................................................14
Grommets.....................................................................................................................................................................................................................14
Emergency By-pass....................................................................................................................................................................................................14
CHAPTER 3USING THE SYSTEM.........................................................................................................................15
3-1 HOW TO FILL THE RESERVOIR ....................................................................................................................................................................................15
Reservoir and Loops...................................................................................................................................................................................................15
Automatic Method.....................................................................................................................................................................................................15
Manual Method ..........................................................................................................................................................................................................15
3-2 SOFTWARE MODES ...................................................................................................................................................................................................17
STANDBY Mode...........................................................................................................................................................................................................17
PRODUCTION Mode ...................................................................................................................................................................................................17
Tank Full Mode............................................................................................................................................................................................................18
Flush Mode...................................................................................................................................................................................................................18
Rinsing Mode...............................................................................................................................................................................................................18
Recirculation Mode....................................................................................................................................................................................................18
Alarm Message Displayed ........................................................................................................................................................................................18
3-3 HOW TO VIEW THE SYSTEM PERFORMANCE..............................................................................................................................................................19
3-4 SERIAL NUMBERS AND CONSUMABLES INFORMATION ............................................................................................................................................21
Serial Number and other information found with the LCD ...........................................................................................................................21
CHAPTER 4MAINTENANCE...............................................................................................................................23
4-1 SCHEDULED MAINTENANCE TABLE ............................................................................................................................................................................23
4-2 HOW TO REPLACE THE PROGARD TL .........................................................................................................................................................................24
When to replace the Progard TL ............................................................................................................................................................................24
Removing the used Progard TL...............................................................................................................................................................................24
4-3 HOW TO REPLACE THE Q-GARD TL...........................................................................................................................................................................26
When to replace the Q-Gard TL Pack ...................................................................................................................................................................26
Removing and Installing a Q-Gard TL ..................................................................................................................................................................26
4-4 HOW TO REPLACE THE OPTICAP ..............................................................................................................................................................................27

Table of Contents
4-5 HOW TO REPLACE THE UV LAMP..............................................................................................................................................................................28
4-6 HOW TO SANITISE THE RO CARTRIDGE(S)................................................................................................................................................................28
What is needed to sanitise the RO Cartridge(s)................................................................................................................................................28
Automatic Way of Sanitisation .............................................................................................................................................................................28
Manual Way of Sanitisation...................................................................................................................................................................................28
How to manually sanitise the RO Cartridge(s).................................................................................................................................................. 29
4-7 HOW TO CLEAN THE RO CARTRIDGE(S).................................................................................................................................................................... 31
What is needed to clean the RO Cartridge(s) .................................................................................................................................................... 31
How often should the RO Cartridge(s) be cleaned?......................................................................................................................................... 31
How to manually clean the RO Cartridge(s) ......................................................................................................................................................31
CHAPTER 5TROUBLESHOOTING .........................................................................................................................35
5-1 MAINTENANCE,ALARM,ALARM STOP AND CUSTOM MESSAGES ...........................................................................................................................35
Types of messages .....................................................................................................................................................................................................35
5-2 AN ALARM MESSAGE OR MAINTENANCE MESSAGE IS DISPLAYED..........................................................................................................................36
CHAPTER 6ORDERING INFORMATION ................................................................................................................41
6-1 CATALOGUE NUMBERS FOR CONSUMABLES ............................................................................................................................................................41
6-2 CATALOGUE NUMBERS FOR ACCESSORIES ...............................................................................................................................................................41
6-3 CATALOGUE NUMBERS FOR ELIX CLINICAL SYSTEMS...............................................................................................................................................41
CHAPTER 7APPENDIXES...................................................................................................................................43
APPENDIX 1PRE INSTALLATION -WHAT’S INSIDE THE SHIPPING BOX .............................................................................................................................43
APPENDIX 2POST INSTALLATION CHECKLIST......................................................................................................................................................................44
APPENDIX 3EMERGENCY BY-PASS ...................................................................................................................................................................................46
APPENDIX 4MAINTENANCE LOG .......................................................................................................................................................................................47

Introduction
Elix® 35, 70 Clinical 1
Chapter 1 INTRODUCTION
1-1 USING THIS MANUAL
MATCHING THIS MANUAL WITH YOUR WATER PURIFICATION SYSTEM
This manual is intended for use with a Millipore SAS Elix 35 Clinical or Elix 70 Clinical Water Purification System.
This User Manual is a guide for use during the normal operation and maintenance of an Elix 35 Clinical or Elix 70 Clinical Water
Purification System. It is highly recommended to completely read this manual and to fully comprehend its contents before
attempting normal operation or maintenance of the Water Purification System.
You can easily identify your type of Water Purification System if you do not see the Catalogue Number. The type of Elix Clinical
System is indicated above the Keypad on the front of the System Cabinet.
If this manual is not the correct one for your Water Purification System, then please contact Millipore SAS.
INSTALLATION INFORMATION
IMPORTANT! INSTALLATION INSTRUCTIONS NOT INCLUDED. INSTALLATION OF
THIS PRODUCT IS MEANT TO BE PERFORMED BY A QUALIFIED MILLIPORE SAS
SERVICE REPRESENTATIVE.
The Pre-Installation and Installation Documentation for the Clinical Systems
mentioned above are not found in this Manual. Contact Millipore SAS if you would
like to have this information.
Appendix 1 contains a Pre Installation Checklist and Appendix 2 contains a Post Installation Checklist. These can be used to
confirm that you received the necessary items for installation and also that the Elix Clinical System was installed according to
specifications.
ATTENTION
ATTENTION

Introduction
Elix® 35, 70 Clinical 2
HOW TO USE THE KEYPAD AND THE LCD
On the system, to go from STANDBY Mode to SETUP Mode, you would press the Keypad as shown below.
In this manual, pressing a Keypad Button would be shown like this.
There are several symbols that are displayed on the Keypad. These symbols are explained below.
S T A N D B Y
S E T U P

M A I N T E N A N C E

P R O D U C T I O
N

Press once to enter the software branch.

Press and hold for a few seconds to enter into the software mode.
Other symbols
SYMBOL ACTION WHAT IT MEANS
Pressing the Keypad Button next to this symbol brings you to the next LCD Screen.
Pressing the Keypad Button next to this symbol exits the currently viewed software branch.
⇌
Pressing the Keypad Button next to this symbol toggles between various parameters being displayed.
+ Pressing the Keypad Button next to this symbol increases the value of the currently displayed parameter.
- Pressing the Keypad Button next to this symbol decreases the value of the currently displayed parameter.
►
►
►
►
►
►
►
►
►
►
S
T
A
N
D
B
Y
S
E
T
U
P
►
M
A
I
N
T
E
N
A
N
C
E
►
P
R
O
D
U
C
T
I
O
N
►
=

Introduction
Elix® 35, 70 Clinical 3
COMMONLY USED ABBREVIATIONS IN THIS MANUAL
Abbreviation Full Text + Comments
µS/cm microSiemens per centimeter
BSP, MBSP, FBSP British Standard Thread, Male BSP, Female BSP
CFU/ml Colony Forming Units per millilitre
FI Fouling Index
GAZ A type of thread (a metric thread)
i.e. For Example
kPa kiloPascals
L Litre
LCD Liquid Crystal Display
LED Light Emitting Diode
LPH Litre Per Hour
LPM Litre Per Minute
LSI Langelier Saturation Index
mm millimeter
MW Molecular Weight
nm nanometer
NPT National Pipe Thread
NPTF National Pipe Thread Female
NPTM National Pipe Thread Male
OD Outer Diameter
RO Reverse Osmosis
TOC Total Organic Carbon

Introduction
Elix® 35, 70 Clinical 4
1-2 SAFETY INFORMATION
SAFETY STATEMENT
Your Elix Clinical System should be operated according to the instructions in this manual. In particular, the hydraulic and
electrical specifications should be followed and met. It is important to use this equipment as specified in this manual; using this
equipment in a different manner may impair the safety precautions of the Elix Clinical System.
Do not open the Elix Clinical System cabinet! Electrical and mechanical components inside
the Elix Clinical System could pose a hazard. A qualified Millipore SAS Service Representative
should perform any work that needs to be done while the Elix Clinical System cabinet is opened.
SAFETY SYMBOLS
This
ATTENTION symbol is used to refer to instructions in this manual that need to
be done carefully.
These symbols are used to indicate that proper safety equipment has to be used.
Protective glasses and gloves must be worn.
This
UV RADIATION sticker is used to refer to a position on the water system
Cabinet or inside of it where exposure to UV light is possible.
This
DANGER sticker is used to refer to a position on the water system Cabinet or
inside of it that could be hazardous.
This
ELECTRICAL GROUND sticker is used to refer to a positi
on on the water system
Cabinet or inside where an electrical ground connection is made.
This
ELECTRICAL DANGER
sticker is used to refer to a position on the water system
Cabinet or inside where an electrical danger could exist.
1-3 CONTACT MILLIPORE SAS
For any questions or requests, please use the contact information provided below.
BY INTERNET
The Internet Site can be used to find addresses, telephone/fax numbers and other information.
Internet Site Address:
www.millipore.com
www.millipore.com/techservice
www.millipore.com/lab_water
MANUFACTURING SITE
Millipore SAS
67120 Molsheim
France
HAZARD

Product Information
Elix® 35, 70 Clinical 5
Chapter 2 PRODUCT INFORMATION
2-1 GENERAL DESCRIPTION
Elix Clinical Systems are designed to produce both NCCLS Type II and Type I water when fed with potable water. The Elix Clinical
Systems are specially designed to provide NCCLS Type I water quality from a tap water source for higher volume clinical
analyzers.
The Elix Clinical Systems use multiple technologies to consistently provide a Type I product water quality guarantee. It includes
continuous Electro-Deionization (EDI) technology, which reduces ongoing ion-exchange.
From the Progard pre-treatment pack, the water is pumped through a reverse osmosis cartridge(s), followed by an Elix module. It
passes through the UV lamp and is finally stored in a reservoir. Whenever water is needed from the analyzer, the Elix detects a
pressure drop and automatically draws water from the reservoir, through the UV lamp and the Q-Gard TL Polisher pack. The
product water will be delivered to the analyzer with the required flow, pressure and quality.
2-2 WATER SPECIFICATIONS
FEED WATER REQUIREMENTS
Pressure 2 bar (min.) to 6 bar (max.)
Flow rate > 5 LPM at 2 bar
Type Potable Tap water
Temperature 5 to 35°C
Conductivity < 2000 µS/cm (@25°C)
pH 4 to 10
Maximum LSI + 0.3
FLOW RATES TO RESERVOIR
Elix Clinical System Water Flow Rate
Elix 35 Clinical ≈35 LPH (7°C to 30°C)
Elix 70 Clinical ≈ 70 LPH (7°C to 30°C)
PRODUCT FLOW RATES TO THE ANALYZER
Max. dispense flow at 1 bar < 2.4 LPM
Max. dispense flow at 2 bar (30 psi) 1.8 to 2 LPM
Product max. pressure* 2 bar (30 psi)
*Opticap final filter installed at mid loop (max. loop length 20 meters)

Product Information
Elix® 35, 70 Clinical 6
WATER QUALITY TO RESERVOIR (TYPE II)
Water Quality filling the reservoir.
Resistivity > 5 MΩ.cm @25 °C typically 10 - 15 MΩ.cm (CO2< 30 ppm in feed water)
Conductivity < 0.2 µS/cm (@25 °C) typically 0.067-0.10 µS/cm (CO2< 30 ppm in feed water)
TOC < 30 ppb
Micro-organisms < 10 CFU/ml
Dissolved Silica < 50 ppb
PRODUCT WATER QUALITY (TYPE I)
Product Water Quality after the Q-Gard TL Polisher pack.
Resistivity > 10 MΩ.cm @25 °C typically 10 - 18 MΩ.cm (CO2< 30 ppm in feed water)
Conductivity < 0.2 µS/cm (@25 °C) typically 0.067-0.10 µS/cm (CO2< 30 ppm in feed water)
TOC < 30 ppb
Micro-organisms < 10 CFU/ml
Dissolved Silica < 50 ppb

Product Information
Elix® 35, 70 Clinical 7
2-3 TECHNICAL SPECIFICATIONS
DIMENSIONS
The dimensions of the reservoir can be found in the reservoir User Manual.
WEIGHT
SYSTEM Operating Weight Dry Weight Shipping Weight
Elix 35 Clinical 52 kg 49 kg 72 kg
Elix 70 Clinical 60 kg 53 kg 76 kg
Operating Weight is defined as a system having a wetted Progard TL, Q-Gard TL, all tubings, RO Cartridges and Elix Module full
of water.
Dry Weight is defined as an unused system without its shipping container.
Shipping Weight is defined as a dry system in its shipping container. It does not include the Progard TL, the Q-Gard TL or any
accessories.
Reservoir weight. See the Reservoir user manual for more information.
A wetted Progard TL Pack weighs 5 kg. A wetted Q-Gard TL weighs 5 kg.
73.3 cm
44.1 cm
66.2 cm

Product Information
Elix® 35, 70 Clinical 8
ENVIRONMENTAL
The system should be installed at the same level as the storage reservoir.
Indoor Use Only
Storage Temperature 2°C to 40°C
Operating Temperature 2° C to 40° C
Relative Humidity Should not exceed 80% for T < 31°C. Should stay within 50% to 80% between 31°C and 40°C.
Altitude < 3000 meters
Installation Category II
Pollution Degree 2
ELECTRICAL REQUIREMENTS
100 VAC ±10%, 50/60 Hz, 460 VA / 10 amp source / 10 amp T fuse.
120 VAC ±10%, 50/60 Hz, 480 VA / 10 amp source / 10 amp T fuse.
230 VAC ±10%, 50/60 Hz, 460 VA / 5 amp source / 10 amp T fuse.
The source of electrical power should be within 1 meter of the Elix Clinical System. The source of electrical
power must be earth grounded.
MATERIALS OF CONSTRUCTION FOR WETTED COMPONENTS
Please contact Millipore SAS for a list of the materials of construction for wetted components.
NOISE LEVEL
An Elix Clinical System has a maximum noise level of 55 dB at a distance of 1 metre away.
!

Product Information
Elix® 35, 70 Clinical 9
2-4 SCHEMATIC OF MAIN COMPONENTS
1 Inlet Solenoid Valve 16 Emergency By-Pass
2 Progard TL Pack 17 Q-Gard TL Polishing Pack
3 Flowmeter 18 Product Water Resistivity Cell
4 Feedwater Pressure Switch 19 Product Water to analyzer
5 Feedwater Conductivity cell 20 Unused Product Water return to reservoir
6 RO Pump 21 Product Water Pressure Switch
7 RO Cartridge (1or 2) 22 Recirculation Solenoid Valve
8 RO Permeate Water Flow Controller 23 Loop Back Pressure Regulator
9 RO Permeate Water Conductivity Cell 24 Loop return to tank
10 RO Permeate Water Divert Valve 25 RO Reject Back pressure regulator
11 Elix Module 26 Pressure Sensor
12 Elix Module Water Resistivity Cell 27 Reject Water Flow Control Valve or Capillary Tube
13 UV Lamp 254 nm 28 RO Reject flush valve
14 Water to or from reservoir 29 RO Reject Water to drain
15 Distribution Pump 30 Elix Module Reject Water to drain
Reservoir and Vent Filter
By-pass
1
2
3
4
5
6
7
8
9
10
11
12
13
14
30
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

Product Information
Elix® 35, 70 Clinical 10
2-5 DESCRIPTION OF MAIN COMPONENTS
INLET SOLENOID VALVE (ITEM 1)
The Inlet Solenoid Valve is used to control the flow of feedwater into the Elix Clinical system. It is controlled by the Elix Clinical
system. It also has a manually override which can be used to directly feed the Q-Gard TL Polisher Pack in case of a problem with
an internal component.
The Inlet solenoid Valve is located outside of the system cabinet.
PROGARD®TL SYSTEM PRETREATMENT PACK (ITEM 2)
The Progard TL System Pretreatment Pack (called “Progard TL” for the remainder of this manual) is used to prevent mineral
scaling, organic fouling and chlorine oxidation with the Reverse Osmosis (RO) Membranes. The Progard TL is a consumable device
that needs to be periodically replaced during the maintenance of an Elix Clinical System. The Progard TL is located on the left
side of the front of the Elix Clinical System cabinet.
It is possible to buy a type of Progard TL that has a chlorine sanitisation tablet inside. When this type of Progard TL is installed on
an Elix Clinical System, the chlorine sanitisation tablet will dissolve. This will sanitise the RO Cartridge located downstream of the
Progard. The dissolved chlorine will leave the Elix Clinical System via the drain and will never enter the Product Water Reservoir.
WHEN DO ICHANGE THE PROGARD TL?
The Elix Clinical System will prompt you to change the Progard TL using a LCD Message. The Elix Clinical System will indicate a
message “EXCHANGE PT PACK IN 14 DAYS” when the projected Progard TL lifetime is 14 days. The Elix Clinical System will
indicate a message “EXCHANGE PT PACK OVERDUE: XX DAYS” if the Progard TL is not changed after 14 days.
The Progard TL is changed due to either the amount of time it has been used or from the amount of water that has passed
through it. The Elix Clinical System has the ability to measure the total volume of Feedwater passed through it. It also measures
the amount of time that elapsed since the Progard TL was exchanged.
Using these 2 parameters, the Elix Clinical System will be able to project a lifetime for the Progard TL. This lifetime is updated
frequently by the Elix Clinical System. The Elix Clinical System will display “N/A” for the Progard TL lifetime during the first 7 days
that the Progard TL was installed. After this, you will be able to see projected lifetime for the Progard TL.
FLOWMETER (ITEM 3)
A Flowmeter is installed inside every Elix Clinical System. It measures the total feedwater coming into an Elix Clinical System.
As a result of the Flowmeter, the RO Reject flow rate can be determined. This facilitates the manual setting of the RO Reject flow
rate (a procedure sometimes done at installation and during the lifetime of the Elix Clinical System).
FEEDWATER PRESSURE SENSOR (ITEM 4)
The Feedwater Pressure Sensor is used to detect if there is not sufficient water pressure after the Progard TL. When the water
pressure after the Progard TL is < 0.3 bar for ~ 10 seconds, the Elix Clinical System will report a LOW FEED PRESSURE Alarm. This
alarm closes the Inlet Solenoid Valve and the Elix Clinical System will shut down.
The Feedwater Pressure Sensor is used to determine if the Progard TL is clogged or if the supply of feedwater is turned off.

Product Information
Elix® 35, 70 Clinical 11
FEEDWATER CONDUCTIVITY CELL (ITEM 5)
A Conductivity Cell is a sensor used to measure the electrical conductance of water. The electrical conductivity (electrical
conductance per unit length) is directly related to the amount of ions in the water. Higher conductivity values indicate higher ion
content in the water passing through the sensor.
A comparison between the Feedwater and Permeate Conductivity Cell measurements is done while the Elix Clinical System is
operating. This information is used to calculate the RO % Rejection. This indicates the relative percentage of ions removed from
the Feedwater (“rejected by the RO”).
RO PUMP (ITEM 6)
The RO Pump consists of a Motor and a Pumphead. The RO Pump is used to increase the flow rate of water into the RO
Cartridge(s). The RO Pump in turn becomes a way of pressuring the Feedwater to the RO Cartridge(s).
Water temperature ≥25 °C Operate at 7 bar
Water temperature < 25 °C Operate at 10 bar (12 bar if feedwater is very cold)
RO CARTRIDGE (ITEM 7)
Each RO Cartridge removes (rejects) a large percentage of ions from the tap water. In addition, each RO Cartridge removes a large
percentage of bacteria and organic material. The RO Cartridge(s) is connected so that there is a single waste stream (RO Reject
Stream) that is directed to a sink or a drain. The RO Reject Stream is a single piece of tubing exiting from one of the side ports of
the Elix Clinical System Cabinet. All ions, bacteria and organic material removed by the RO are directed to the RO Reject Stream.
An Elix 35 Clinical has 1 RO Cartridge. An Elix 70 Clinical has 2 RO Cartridges.
RO PERMEATE WATER FLOW CONTROLLER (ITEM 8)
The Flow Controller limits the RO Permeate flow rate to ~ 50 LPH.
RO PERMEATE WATER CONDUCTIVITY CELL (ITEM 9)
The RO Permeate Water Conductivity Cell is used to measure the electrical conductance of water, after the RO cartridge.
RO PERMEATE WATER DIVERT VALVE (ITEM 10)
The RO Permeate Divert Solenoid Valve is used to divert the RO Permeate Water to drain when the Elix Clinical System is in
RINSING Mode and during R.O. RINSE Mode.
ELIX MODULE (ITEM 11)
The Elix Module is a device that deionises continuously the RO Permeate Water. It is an electrically operated deionisation device.
ELIX MODULE PRODUCT WATER RESISTIVITY CELL (ITEM 12)
The Elix Module Product Water Resistivity Cell is used to measure the electrical resistivity of the post Elix Module Water. The
resistivity and the water temperature are shown on the LCD during PRODUCTION Mode (through the DATA menu) in the
PRODUCT QUALITY software menu.
NOTE: this value is not the value of the resistivity measured in the Product Water to analyzer.

Product Information
Elix® 35, 70 Clinical 12
UV LAMP (ITEM 13)
The UV Lamp is powered during PRODUCTION Mode. It emits UV light at 254 nm (Germicidal action) using approximately 10 W of
electrical power. The UV Lamp is used to kill bacteria.
HOW OFTEN DO ICHANGE THE UV LAMP?
It is recommended to change the UV Lamp every 5000 hours of operation. A timer is incremented every minute the UV Lamp is
powered. The Elix Clinical System displays the number of days before the UV Lamp needs replacement. This can be viewed in the
DATA portion of the software.
When the projected lifetime reaches 14 Days, the LCD Message “EXCHANGE UV LAMP IN 14 DAYS” is displayed. This message is
displayed until the UV Lamp is replaced and the software timer is reset.
When the UV lifetime reaches 0 Days, the LCD Message “EXCHANGE UV LAMP OVERDUE: 0 DAYS” is displayed. This message is
displayed until the UV Lamp is replaced and the software timer is reset.
DISTRIBUTION PUMP (ITEM 15)
1. The Distribution Pump is used to pump water from the reservoir to a loop. The loop becomes the source of feedwater to the
Clinical Analyser. The unused loop water returns to the reservoir.
2. The pump is used also to boost water flow rate through Q-Gard TL Polisher cartridge and the final filter.
Q-GARD®TL POLISHING PACK (ITEM 17)
The purpose of a Q-Gard TL Polishing Pack is to deionise the Elix Module Product Water.
The resistivity of the post Q-Gard Product Water is displayed in DIST Mode. For example, if the LCD shows “DIST > 10 MΩ.cm”,
then this is the resistivity of the water reaching the Clinical Analyser. DIST Mode is active when the Clinical Analyzer is using
water. The temperature can be viewed in DATA Menu in DIST QUALITY display.
WHEN DO ICHANGE THE Q-GARD TL?
A timer is used for the Q-Gard TL Pack lifetime. An LCD Message “EXCH. QGARD TL IN XX DAYS” is shown to indicate that the Q-
Gard TL Pack should be replaced.
The Elix Clinical System will indicate a message “QGARD TL EXCH OVERDUE: XX DAYS” when it is XX days before the Q-Gard
should be replaced.
PRODUCT WATER RESISTIVITY CELL (ITEM 18)
The Product Water Resistivity Cell is used to measure the electrical resistivity of the purified water exiting the Elix Clinical
System. It is located just after the Q-Gard TL Polisher Pack. This is the resistivity of the water reaching the Clinical Analyser.
PRODUCT WATER PRESSURE SWITCH (ITEM 21)
The Product Water Pressure Switch is used to control the Distribution Pump on the recirculation loop. When the analyser uses
some water, the Pressure Switch detects a pressure drop. This activates the Distribution Pump which in turn pressurises the loop
water. The Pressure Switch opens and closes its circuit at a water pressure near 2 bar (29 psi).
RECIRCULATION SOLENOID VALVE (ITEM 22)
The Recirculation Solenoid Valve is usually open. Because of this, the unused Product Water returns to the reservoir. The
Recirculation Solenoid Valve is closed when the analyzer stops taking water. The Recirculation Solenoid Valve is opened
periodically to allow water recirculation during times of non use.