Waltron 9031CX User manual

101-045-E.1
EXPERTS IN WATER CHEMISTRY SINCE 1903
9031CX Sodium Analyzer
User Manual

Waltron Customer Commitment
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
WALTRON CUSTOMER COMMITMENT
This instruction manual is a technical guide to aid the customer in the set-up, operation, and
maintenance of their new Waltron measuring system. Waltron provides continuous product
improvement and reserves the right to make any modifications to the information contained
herein without notice.
Copyright © Waltron Bull & Roberts, LLC, 2022
All Rights Reserved
Technical questions concerning this product should be addressed to:
Waltron Technical Service Department
Flemington, New Jersey
Phone: [phone]
Fax: [phone]
www.waltron.net
Please be ready to provide the following information:
Date analyzer was purchased
Analyzer model and serial number
Recent maintenance history
Calibration slope values and detailed description of problem
Waltron’s technical expertise and extensive experience provides personalized solutions to the
water quality industry. It is Waltron’s commitment to provide the customer with timely and
accurate technical service and support.
Waltron fully expects the customer to be satisfied with the quality, performance, and cost of this
product.
If there are any questions or concerns regarding this product, please feel free to contact Waltron
at (908)-534-5100.
Thank you for choosing Waltron!
Please note the Waltron mailing and shipping address:
Waltron Bull & Roberts, LLC
25 Minneakoning Road, Suite 101
Flemington, NJ 08822

Safety
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
SAFETY
Please observe proper safety and handling precautions when installing, operating, maintaining,
and servicing this product. The following should be noted and adhered to:
Read and understand manual before working with analyzer.
Pay special attention to warning labels on enclosures, containers, packages and
chemicals.
Only qualified personnel should be involved in the installation, operation, and servicing
of the analyzer.
Follow safety precautions when operating analyzer in conditions of high pressure and/or
temperature.
Keep analyzer chemicals away from heat and extreme temperatures. Reagent powders
must be kept dry.
Follow all regulations and warning labels when disposing of chemicals. Do not mix
chemicals.
To obtain analyzer safety information or Safety Data Sheets (SDS), please contact Waltron or
logon to www.waltron.net.

Warranty Agreement
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
WARRANTY AGREEMENT
If, within one year from the date of shipment, the customer experiences any equipment defects or
is not satisfied with the analyzer manufacturing, Waltron will repair, or at its option, replace any
defective part(s) free of charge. This warranty requires that the defective part(s) be returned to
Waltron with shipping charges prepaid.
At Waltron discretion, a Technical Service Specialist may be sent out to repair or replace the
defective part(s) on location. Traveling time and expenses of the Technical Service Specialist is
at the customer’s expense.
Equipment sent to Waltron must be appropriately packaged and the following information must
be provided prior to returning to Waltron:
The Return Authorization (RA) number assigned to the customer by the Waltron
Technical Service Department
Customer name, address and department
Name and telephone number of the individual responsible for returning items for repair
Brief problem description
Ship to Waltron service center:
Waltron Bull & Roberts, LLC
25 Minneakoning Road, Suite 101
Flemington, NJ 08822
The Waltron Warranty Agreement:
Covers expendable sensors for one month after shipment and reusable electrodes for six
months after shipment.
Does not apply to damages occurred during shipping.
Warranty will be nullified if goods have been used for purposes other than those for
which they are intended or if any seal has been removed, broken or tampered with or if
the Waltron trademark or serial number has be removed, defaced, or altered.
Does not cover expendable supply items such as reagents, tubing and electrolytes.
Does not cover misuse or mistreatment by the user.
Does not cover previous repair or alteration by unauthorized individuals.
Waltron does not assume responsibility for contingent liability through alleged failure or failures
of products or product accessories.

Checklist of Materials
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
CHECKLIST OF MATERIALS
In order to ensure customer satisfaction, Waltron does its best to provide adequate and
timely packaging and shipping services. Please perform the following after receiving a
shipment:
Inspect all shipping containers upon receipt and record any visible damage. If there are
any outward signs of damage, please retain all containers and packages for inspection by
carrier. Please retain all packing material so that it can be used for future moving and
shipping needs.
Check all items received against those on the packing list. Chemicals are usually shipped
in a separate package and will be itemized accordingly.
Verify that the number of packages received agrees with the packing list and shipping
papers.
Notify both Waltron and the carrier if any problems occur.
Important Notice:
All analyzers are inspected and tested prior to shipment.
In normal use, the unit should require only minor maintenance and should operate
correctly and without fault over a long period of time.
Please note that if electronic components need to be replaced, it may be necessary to
adjust and/or calibrate the analyzer.
Failure to carry out correct maintenance procedures may result in inaccurate analyzer
readings.

Symbol Definitions
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
SYMBOL DEFINITIONS
The following table lists those symbols used in this document to denote certain conditions.
Symbol
Definition
ATTENTION: Identifies information that requires special
consideration.
TIP: Identifies advice or hints for the user, often in terms of
performing a task.
REFERENCE -EXTERNAL: Identifies an additional source of
information outside of the bookset.
REFERENCE - INTERNAL: Identifies an additional source of
information within the bookset.
CAUTION
Indicates a situation which, if not avoided, may result in equipment
or work (data) on the system being damaged or lost, or may result in
the inability to properly operate the process.
CAUTION: Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also be used
to alert against unsafe practices.
CAUTION symbol on the equipment refers the user to the product
manual for additional information. The symbol appears next to
required information in the manual.
WARNING: Indicates a potentially hazardous situation, which, if not
avoided, could result in serious injury or death.
WARNING symbol on the equipment refers the user to the product
manual for additional information. The symbol appears next to
required information in the manual.
WARNING, Risk of electrical shock: Potential shock hazard where
HAZARDOUS LIVE voltages greater than 30 Vrms, 42.4 Vpeak, or
60 VDC may be accessible.
ESD HAZARD: Danger of an electro-static discharge to which
equipment may be sensitive. Observe precautions for handling
electrostatic sensitive devices.
Protective Earth (PE) terminal: Provided for connection of the
protective earth (green or green/yellow) supply system conductor.

Symbol Definitions
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
Symbol
Definition
Functional earth terminal: Used for non-safety purposes such as
noise immunity improvement. NOTE: This connection shall be
bonded to Protective Earth at the source of supply in accordance
with national local electrical code requirements.
Earth Ground:Functional earth connection. NOTE: This
connection shall be bonded to Protective Earth at the source of
supply in accordance with national and local electrical code
requirements.
Chassis Ground: Identifies a connection to the chassis or frame of
the equipment shall be bonded to Protective Earth at the source of
supply in accordance with national and local electrical code
requirements.
The Factory Mutual® Approval mark means the equipment has
been rigorously tested and certified to be reliable.
The Canadian Standards mark means the equipment has been
tested and meets applicable standards for safety and/or
performance.
The Ex mark means the equipment complies with the requirements
of the European standards that are harmonised with the 94/9/EC
Directive (ATEX Directive, named after the French "ATmosphere
EXplosible").
For radio equipment used in the European Union in accordance with
the R&TTE Directive the CE Mark and the notified body (NB)
identification number is used when the NB is involved in the
conformity assessment procedure. The alert sign must be used
when a restriction on use (output power limit by a country at certain
frequencies) applies to the equipment and must follow the CE
marking.
The C-Tick mark is a certification trade mark registered to ACMA
(Australian Communications and Media Authority) in Australia under
the Trade Marks Act 1995 and to RSM in New Zealand under
section 47 of the NZ Trade Marks Act. The mark is only to be used
in accordance with conditions laid down by ACMA and RSM. This
mark is equal to the CE Mark used in the European Union.
N314 directly under the logo is Waltron’s unique supplier
identification number.

Table of Contents
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
TABLE OF CONTENTS
Waltron Customer Commitment............................................................................................ 1
Safety.................................................................................................................................... 2
Warranty Agreement............................................................................................................. 3
Checklist of Materials ............................................................................................................ 4
Symbol Definitions ................................................................................................................ 5
Table of Contents .................................................................................................................. 7
1Introduction ................................................................................................................... 9
1.1 Overview of the 9031CX Sodium Analyzer...................................................................................................9
1.1.1 Checklist of Materials ..........................................................................................................................9
1.1.2 Main features ......................................................................................................................................9
1.2 System description & architecture.............................................................................................................10
1.2.1 Wet section unit ................................................................................................................................11
1.2.2 Pre-amplifier......................................................................................................................................11
1.2.3 Transmitter unit.................................................................................................................................11
2Installation................................................................................................................... 12
2.1 Mounting the wet section unit ..................................................................................................................12
2.1.1 Location and layout...........................................................................................................................12
2.1.2 Mounting the transmitter unit ..........................................................................................................13
2.1.3 Sample requirements ........................................................................................................................14
2.1.4 External piping connections ..............................................................................................................15
2.2 Electrode installation .................................................................................................................................15
2.2.1 Probe connections.............................................................................................................................15
2.2.2 Probe installation ..............................................................................................................................16
2.2.3 Automatic KCl Refill System (optional)..............................................................................................17
2.3 Electrical connections ................................................................................................................................18
2.3.1 Wet section unit ................................................................................................................................18
2.3.2 Pre-amp unit......................................................................................................................................19
2.3.3 Transmitter unit.................................................................................................................................21
2.3.4 Connecting the Pre-amp Output to Transmitter:..............................................................................22
2.3.5 Connecting the Current Output(s) to Transmitter: ...........................................................................22
2.3.6 Connecting the Alarm(s) outputs to Transmitter: .............................................................................23
2.3.7 ConnectingtheSolenoidtoTransmitter: .........................................................................................23
2.3.8 ConnectingtheserialcommunicationportstoTransmitter: ...........................................................23
3Operating the analyzer ................................................................................................. 24
3.1 Analyzer operation.....................................................................................................................................24
3.2 Alarms ........................................................................................................................................................26
3.2.1 Sample Concentration Alarms...........................................................................................................26
3.2.2 Alarm Descriptions ............................................................................................................................26
3.3 Getting started ...........................................................................................................................................27
3.3.1 Initiating the Analyzer .......................................................................................................................27

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3.4 Software Structure Map.............................................................................................................................27
3.5 Main Menu.................................................................................................................................................28
3.5.1 Main Menu –User Mode ..................................................................................................................28
3.5.2 COMMANDS WINDOW......................................................................................................................28
3.5.3 Cal 2 Pt...............................................................................................................................................28
3.5.4 PROCESS CALIBRATION......................................................................................................................30
3.5.5 DISPLAY WINDOW .............................................................................................................................32
3.5.6 CHECKS WINDOW..............................................................................................................................33
3.5.7 DATALOG SELECTION WINDOW........................................................................................................34
3.5.8 Main Menu –Service Mode ..............................................................................................................37
3.5.9 CALIBRATION SETUP WINDOW .........................................................................................................38
3.5.10 GENERAL SETTINGS WINDOW...........................................................................................................38
3.5.11 SERVICE MENU –SERVICE MODE......................................................................................................39
3.6 Troubleshooting .........................................................................................................................................40
3.6.1 Calibration fail ...................................................................................................................................40
4Maintenance................................................................................................................ 41
4.1 Buffer solution(s)........................................................................................................................................41
4.1.1 Concentrated Ammonia Solution - 1 liter..........................................................................................41
4.1.2 Diisopropylamine Solution - 99% ......................................................................................................41
4.2 Standard solutions .....................................................................................................................................42
4.2.1 Preparing standard solutions ............................................................................................................42
4.3 Etching solution..........................................................................................................................................43
4.3.1 Preparing etching solutions...............................................................................................................43
4.4 Reference electrode fill solution (For Use with N3010-174).....................................................................43
4.5 Scheduled servicing....................................................................................................................................44
4.5.1 Weekly maintenance.........................................................................................................................44
4.5.2 Monthly maintenance .......................................................................................................................44
4.5.3 Shut-down procedure (Prolonged Shut-Down, 1+ months)..............................................................45
4.5.4 Storing the electrodes .......................................................................................................................45
4.5.5 pH effects ..........................................................................................................................................46
5Spare parts................................................................................................................... 47
5.1 Consumable Spare Parts ............................................................................................................................47
5.2 Recommended Spare Parts........................................................................................................................47
5.3 Additional Spare Parts................................................................................................................................47
6Troubleshooting ........................................................................................................... 48
7Specifications ............................................................................................................... 50
8Appendix 9031CX ......................................................................................................... 51
9Appendix Panel Mount................................................................................................. 52

Introduction
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
1 INTRODUCTION
1.1 OVERVIEW OF THE 9031CX SODIUM ANALYZER
The Waltron 9031CX Sodium Analyzer is a microcontroller-based unit used for online measurement of
sodium content in various water chemistry/treatment applications. Sampling points for power generation
include mixed bed outlets, extraction pump discharge, boiler feed, boiler drum and steam. The
measurement range of the 9031CX analyzer spans from 0.01ppb to 10ppm.
1.1.1 CHECKLIST OF MATERIALS
In order to ensure customer satisfaction, Waltron does its best to provide adequate and timely packaging
and shipping services. Please perform the following after receiving a shipment:
Inspect all shipping containers upon receipt and record any visible damage. If there are any outward
signs of damage, please retain all containers and packages for inspection by carrier. Please retain all
packing material so that it can be used for future moving and shipping needs.
Check all items received against those on the packing list. Chemicals are usually shipped in a separate
package and will be itemized accordingly.
Verify that the number of packages received agrees with the packing list and shipping papers.
Notify both Waltron and the carrier if any problems occur.
1.1.2 MAIN FEATURES
Features of the 9031CX Sodium Analyzer unit include:
1. Measurement of sodium concentration
a) Wide range analysis - 0.01ppb to 10ppm. Concentration and temperature are displayed
continuously and analyzer adjusts automatically to user specified ranges.
b) Automatic temperature compensation
c) Protection from “Hot Sample”
2. Calibration
a) Single & two point calibration
b) Low reagent and standard consumption
c) Internal diagnostics used to show probe status
3. User Interface
a) 4.5” color touch screen HMI
b) Large easy to read graphic display
4. Communication Interface via RS-232 & RS-485 using MODBUS RTU protocol
5. Analyzer Configuration :
a) User configurable settings for recorder outputs and alarm set points
b) Factory defaults can easily be reloaded to override user setting
6. Automatically stores last 10 calibration and alarm logs.
7. Complete analyzer diagnostics - individual transmitter module can be tested independently
8. Dispatch mode facility
9. 3 Relay outputs for High, Low and General Alarm
10. Two 4-20mA isolated current outputs
11. Wide range of input power supply 90VAC to 250VAC

Introduction
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
1.2 SYSTEM DESCRIPTION & ARCHITECTURE
The 9031CX Sodium analyzer system is comprised of the following:
1. Wet-Section (Sensor Unit)
a. Hydraulic panel consisting of constant head, flowcell, tubing, thermistor and solenoid
valve
b. Sodium and reference electrodes
c. Reagent container
d. Separate sodium standard solution containers (Low and High)
2. Pre-Amp
3. Transmitter (electronics) unit
Figure 1 Overall system architecture.
9031CX Transmitter
9031CX Wet Section

Introduction
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
1.2.1 WET SECTION UNIT
The 9031CX Sodium system is capable of monitoring sodium concentrations in sample feed. The
solenoid valve is used to select between analyzing the sample, and accessing calibration standard 1
(Low)/calibration standard 2 (High) during calibration.
In normal mode, the feed water flows from the inlet into the heat exchanger through the solenoid valves
and into the flowcell where it comes into contact with the sodium and reference electrodes. The
electrodes transmit a voltage proportional to the sodium content in the feed water. This output is then
measured by the electrical system and converted into a ppb/ppm measurement. An internal thermistor
(housed in flowcell) is used to monitor the sample temperature for temperature compensation. If the
sample temperature exceeds 131°F, sample automatically gets diverted to drain and the system displays
“HOT”.
Figure 2 Sample flow during normal operation.
1.2.2 PRE-AMPLIFIER
The 9031CX Sodium analyzer requires a pre-amplifier unit which amplifies and converts the voltage
output from the electrodes into proportionate current. Thermistor output is also fed to transmitter unit via
pre-amp section.
1.2.3 TRANSMITTER UNIT
The transmitter unit interprets electrode response and temperature output from the pre-amp and displays
the corresponding sodium concentration (in ppb/ppm) and temperature. The transmitter unit controls all
the operations of the analyzer system. The display is a touchscreen HMI.

Installation
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
2 INSTALLATION
2.1 MOUNTING THE WET SECTION UNIT
Figure 3 Dimensions to mount the Wet Section. (All dimensions in inches)
2.1.1 LOCATION AND LAYOUT
Mount the analyzer in a clean, vibration-free area avoiding direct radiant heat, sunlight and drafts. Avoid
areas containing chlorinating equipment. The 9031CX Sodium analyzer default design is comprised of
two separate sections (transmitter and wet section). The sensor unit can be mounted separately as long as
it is no more than 330 feet (100meters) from the transmitter unit.

Installation
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
2.1.2 MOUNTING THE TRANSMITTER UNIT
The transmitter unit controls the operations of the analyzer. Power supply, CPU card, DIO card and input
power terminal junction are housed in the transmitter enclosure. Transmitter unit is a NEMA 4X rated
enclosure with cable glands for wiring. Size and layout of transmitter is shown below.
Figure 4 Dimensions of the transmitter unit. (All dimensions in inches)

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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
2.1.2.1 Mounting dimensions
For ease of mounting, the transmitter is attached to a sheet metal mounting bracket. The entire piece
(transmitter on mounting bracket) can then be wall-mounted. Size and layout of mounting bracket is
shown below.
Figure 5 Dimensions for the transmitter mounting bracket.
2.1.3 SAMPLE REQUIREMENTS
The maximum sample pressures and temperatures specified in the SPECIFICATION section should not
be exceeded. The sample should be introduced to the system at a temperature and pressure suitable for
measurement. If necessary, customer may choose to use sample cooling and pressure reducing
equipment. When pressure reducing equipment is being used, a pressure relief valve should be installed
between the sample point and sample inlet to ensure maximum safety.

Installation
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
2.1.4 EXTERNAL PIPING CONNECTIONS
Figure 6 Bottom of the wet section case, with sample inlet and drain connections
2.2 ELECTRODE INSTALLATION
2.2.1 PROBE CONNECTIONS
Figure 7 Probe connections
Sodium
(Measuring)
Electrode
Reference
Electrode (Refillable
version shown)
Flowcell
Quick connect
electrode connection
Probe positioning
clamp (finger tighten)
Wires coming
from Pre-Amp

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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
2.2.2 PROBE INSTALLATION
1. Remove the protectors from the tip of each electrode
2. Connect electrodes to wires from Pre Amplifier. Be sure to match the correct wires to the
correct probe. Wires are marked “M” for measuring and “R” for Reference.
3. Use fingers to rotate the probe positioning clamp counterclockwise to loosen. Carefully insert
the electrode through the clamp and into the flowcell. Electrodes may have to be inserted at an
angle.
4. For reference electrode - insert the electrode so that the tip of the electrode is 5mm into the
sample. Correct placement within the flow cell is important. Refer to figure below.
5. For measuring electrode –insert the electrode so that the tip is just off the bottom of the
flowcell. Refer to figure below.
Figure 8. Proper installation of the electrodes in the flowcell.
Tip of measuring
electrode positioned
just off bottom of
flowcell
Tip of reference electrode
positioned 5mm into
sample (approximately
even with the tip of the
measuring electrode)

Installation
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Waltron User Manual 101-045-E.1
9031CX Sodium Analyzer
2.2.3 AUTOMATIC KCL REFILL SYSTEM (OPTIONAL)
Directions for installing and using the KCl refill system:
1. Feed inner (smaller diameter) tubing through outer (larger diameter) tubing.
2. Feed inner tubing through the side-arm of the reference electrode and connect the outer tubing
over the side-arm.
3. Clip nozzle of KCl bottle, making sure the hole is large enough for inner tubing to pass through
and that KCl solution can flow freely around it.
4. Insert inner tubing through nozzle of bottle and connect outer tubing over the nozzle of bottle.
Make sure the inner tubing reaches the top of the bottle while the other end remains inside the
reference electrode.
5. Install KCl bottle into the bottle clamp and finger-tighten wing nut to hold the bottle in place.
6. Poke a small hole in the top of the bottle so KCl flows freely and vacuum does not form.
7. Rinse off any spilled KCl with DI water before installing probe in the flowcell. (KCl will
interfere with sample reading if it gets in the flowcell.)
KCL Solution
Reservoir Bottle
KCL Transfer Tubing
(outer)
Refillable Reference
Electrode with Side-
arm Connection for
Tubing
Bottle Clamp
End of internal air
tubing
Internal air tubing
(inner)

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9031CX Sodium Analyzer
2.3 ELECTRICAL CONNECTIONS
2.3.1 WET SECTION UNIT
Figure 9 Wet section layout and connections
Pre-Amp
Reagent Buffer
Sodium
Measuring
Electrode
Reference
Electrode
Thermistor
Constant
Head
Entrainment
Solenoid
Valve
Flowcell
Block
Drain

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2.3.2 PRE-AMP UNIT
The pre-amplifier unit has 3 connection terminals (J1, J2, J3) shown below:
Figure 10 Pre-amplifier layout. Pin 1 of all the connectors is shown in black.
Pre-Amp Output to
Transmitter –J3
Connect to
Reference
Electrode –J1
Thermistor
Input –J2
Connect to
Measuring
Electrode –J1