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OPERATING INSTRUCTIONS FOR
Model 6700C
High Temperature Combustion
Online TOC Analyzer
P/N M6700C-C
DANGER
Depending upon your application, toxic gases may be present in this monitoring
system.
Personal protective equipment may be required when servicing this instrument.
Hazardous voltages exist on certain components internally which may persist
for a time even after the power is turned off and disconnected.
Only authorized personnel should conduct maintenance and/or servicing.
Before conducting any maintenance or servicing, consult with authorized
supervisor/manager.
Teledyne Analytical Instruments
3/06/12
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Model 6700C TOC
Copyright © 2012 Teledyne Instruments/ Analytical Instruments
All Rights Reserved. No part of this manual may be reproduced, transmitted, transcribed,
stored in a retrieval system, or translated into any other language or computer language in
whole or in part, in any form or by any means, whether it be electronic, mechanical,
magnetic, optical, manual, or otherwise, without the prior written consent of Teledyne
Instruments/ Analytical Instruments, 16830 Chestnut Street, City of Industry, CA 91749-
1580.
Warranty
This equipment is sold subject to the mutual agreement that it is warranted by us free from
defects of material and of construction, and that our liability shall be limited to replacing or
repairing at our factory (without charge, except for transportation), or at customer plant at
our option, any material or construction in which defects become apparent within one year
from the date of shipment, except in cases where quotations or acknowledgements provide
for a shorter period. Components manufactured by others bear the warranty of their
manufacturer. This warranty does not cover defects caused by wear, accident, misuse,
neglect or repairs other than those performed by TI/AI or an authorized service center. We
assume no liability for direct or indirect damages of any kind and the purchaser by the
acceptance of the equipment will assume all liability for any damage which may result from
its use or misuse.
We reserve the right to employ any suitable material in the manufacture of our apparatus,
and to make any alterations in the dimensions, shape or weight of any parts, in so far as
such alterations do not adversely affect our warranty.
Important Notice
This instrument provides measurement readings to its user, an d serves as a to ol by whic h
valuable data can be gathered. The information provided by the instrument may assist the user
in eliminating potential hazards caused by his process; however, it is essential that all
personnel involved in the use of the instrument or its interface, with the process being
measured, be properly trained in the process itself, as well as all instrumentation related to it.
The safety of personnel is ultimately the responsibility of those who control process
conditions. While this instrument may be able to provide early warning of imminent
danger, it has no control over process conditions, and it can be misused. In particular, any
alarm or control systems installed must be tested and understood, both as to how they
operate and as to how they can be defeated. Any safeguards required such as locks, labels,
or redundancy, must be provided by the user or specifically requested of TI/AI at the time
the order is placed.
Therefore, the purchaser must be aware of the hazardous process conditions. The purchaser
is responsible for the training of personnel, for providing hazard warning methods and
instrumentation per the appropriate standards, and for ensuring that hazard warning devices
and instrumentation are maintained and operated properly.
Teledyne Instruments/Analytical Instruments, the manufacturer of this instrument, cannot
accept responsibility for conditions beyond its knowledge and control. No statement
expressed or implied by this document or any information disseminated by the
manufacturer or its agents, is to be construed as a warranty of adequate safety control under
the user’s process conditions.
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High Temperature Combustion
Specific Model Information
Instrument Serial Number: _______________________
Instrument Range: _______________
Zero Gas: _______________
Span Gas: _______________
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Model 6700C TOC
Safety Messages
Your safety and the safety of others is very important. We have
provided many important safety messages in this manual. Please read
these messages carefully.
A safety message alerts you to potential hazards that could hurt you
or others. Each safety message is associated with a safety alert symbol.
These symbols are found in the manual and inside the instrument. The
definition of these symbols is described below:
GENERAL WARNING/CAUTION: Refer to the instructions
for details on the specific danger. These cautions warn of
specific procedures which if not followed could cause bodily
Injury and/or damage the instrument.
WARNING: HOT SURFACE WARNING: This warning is
specific to heated components within the instrument. Failure
to heed the warning could result in serious burns to skin and
underlying tissue.
WARNING: ELECTRICAL SHOCK HAZARD: Dangerous
voltages appear within this instrument. This warning is
specific to an electrical hazard existing at or nearby the
component or procedure under discussion. Failure to heed this
warning could result in injury and/or death from
electrocution.
Technician Symbol: All operations marked with this symbol
are to be performed by qualified maintenance personnel only.
CAUTION: THE ANALYZER SHOULD ONLY BE USED FOR THE
PURPOSE AND IN THE MANNER DESCRIBED IN
THIS MANUAL.
IF YOU USE THE ANALYZER IN A MANNER OTHER
THAN THAT FOR WHICH IT WAS INTENDED,
UNPREDICTABLE BEHAVIOR COULD RESULT
POSSIBLY ACCOMPANIED WITH HAZARDOUS
CONSEQUENCES.
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High Temperature Combustion
This manual provides information designed to guide you through
the installation, calibration operation and maintenance of your new
analyzer. Please read this manual and keep it available.
Occasionally, some instruments are customized for a particular
application or features and/or options added per customer requests.
Please check the front of this manual for any additional information in
the form of an Addendum which discusses specific information,
procedures, cautions and warnings that may be peculiar to your
instrument.
Manuals do get lost. Additional manuals can be obtained from
TI/AI at the address given in the Appendix. Some of our manuals are
available in electronic form via the internet. Please visit our website at:
www.teledyne-ai.com.
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Model 6700C TOC
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High Temperature Combustion
Additional Safety Information
All relevant precautions and safety remarks of the gas supplier must be
observed:
General Safety Rules
Legally Binding Safety Rules
In addition to safety rules outlined in this manual, all current
environmental, technical, legal, and governmental regulation must be
adhered to.
General Inspection Requirements
General inspection of the Analyzer must be performed by a trained
technician after each incidence of maintenance, repair, or service.
Power Connections
The Analyzer may only be installed and connected to a main power
supply according to the installation instructions provided in this manual.
All power lines to the Analyzer must have switches to cut off the
electricity.
Spare Parts
Only options and parts specified by TAI may be used in performing
maintenance or repair of the Analyzer.
Modifications and Alternations
Any modifications to the Analyzer or any of its options or parts must
first be authorized by TAI.
Responsibilities & Duties of the Supplier
The supplier is responsible for the safety of the product. However, such
safety can only be reasonably guaranteed if the end user of the product
adheres to the requirements and instructions stipulated in this manual.
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Model 6700C TOC
Responsibilities & Duties of the End User
The end user is responsible to ensure that only trained, authorized
personnel operate and maintain the Analyzer. The end user is
responsible for self-training by reading and adhering to the instructions
in this manual.
Instruction of Dangers
The end user is responsible to ensure that all personnel who operate and
maintain the Analyzer are thoroughly instructed in its proper usage and
have received knowledge of all safety precautions.
Care & Maintenance
The end user is responsible to observe the recommended maintenance
schedule.
Observation & Information
The end user is responsible to immediately inform the supplier if any
additional risks, not addressed in this manual, are discovered.
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High Temperature Combustion
Table of Contents
Additional Safety Information .................................................... vii
List of Figures ............................................................................... xi
List of Tables ............................................................................... xii
Introduction ................................................................................. 15
1.1 Overview 15
Operational Theory ..................................................................... 17
2.1 Measurement Principle 17
Installation and Startup ............................................................... 19
3.1 Installation 19
3.2 Non – Catalytic Reactor Packing 20
3.2.1 Identify Parts 20
3.2.2 Preparation of Combustion Reactor 22
3.2.2.1 Install Quartz Sleeve (Insert) 23
3.2.2.2 Loading Ceramic Wool Slices 23
3.3 Catalytic Reactor Packing 24
3.4 Inserting Reactor into Furnace 25
3.5 Startup of the Analyzer 27
3.6 Shutdown 28
Operation ..................................................................................... 29
4.1 Menus 29
4.2 Run Mode 29
4.3 Edit 30
4.3.1 Edit/Parameters 31
4.3.2 Edit/Alarms 32
4.4 Cal 32
4.4.1 Organic and Inorganic Carbon Standards 32
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Model 6700C TOC
4.4.2 Reagents 34
4.4.2.1 Preparation Of Sulfuric Acid Solution 34
4.4.3 NDIR Calibration (Gas Calibration) 34
4.4.4.“End-to End” Calibration 36
4.5 Chart 37
4.5.1 Scale 38
4.5.2 Last 24 Hours 38
4.5.3 Historical Data 39
4.6 Test 39
Maintenance ................................................................................ 41
5.1 Factory Assistance 41
5.2 Troubleshooting Guide 41
5.3 Module Service 42
5.3.1 NDIR Calibration 42
5.3.2 NDIR Service 42
5.3.3 Master Interface Board 47
5.3.4 D.C. Power Supply 47
5.3.5 Computer 48
5.3.6 Reactor Assembly and Gas/Liquid Separator 49
5.3.7 Mass Flow Controller 51
5.3.8 Metering Valve 52
5.3.9 Sparger 53
5.3.10 Injector Assembly 54
Appendix ...................................................................................... 57
A.1 Specifications 57
A-2 Recommended Spare Parts 58
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High Temperature Combustion
List of Figures
Figure 2-1 Typical Flow Diagram ................................................... 18
Figure 3-1: Combustion Module Interior ........................................ 20
Figure 3-2: Installing Quartz Insert into Reactor ............................ 23
Figure 3-4: Catalyst Packing ......................................................... 24
Figure 3-5: Gas/Liquid Separator .................................................. 25
Figure 3-6: Filling Separator with DI Water .................................... 26
Figure 3-7: Attaching Reactor Top ................................................ 26
Figure 3-8: Top Retainer Installation ............................................. 27
Figure 4-1: Connecting Calibration Adapter .................................. 35
Figure 5-1: Removing the NDIR .................................................... 43
Figure 5-2: Removing the Master Interface Board Assembly ........ 47
Figure 5-3: DC Power Supply ........................................................ 48
Figure 5-4: Removing Computer Module ...................................... 49
Figure 5-5: Reactor Assembly and GLS ........................................ 50
Figure 5-6: Typical Mass Flow Controller ..................................... 51
Figure 5-7: Metering Valve ............................................................ 52
Figure 5-8: Sparger ....................................................................... 53
Figure 5-9: Injector Assembly ........................................................ 55
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Model 6700C TOC
List of Tables
Table 3-1: Preparation of Standards (TOC) .................................. 33
Table 3-2: Preparation of Standards (TN) ..................................... 33
Table 3-3: Preparation of Standards (TIC) .................................... 33
Table 5-1 Troubleshooting ............................................................ 42
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High Temperature Combustion
DANGER
COMBUSTIBLE GAS USAGE
This is a general purpose instrument designed for use in a
non-hazardous area. It is the customer's responsibility to
ensure safety especially when combustible gases are being
analyzed since the potential of gas leaks always exist.
The customer should ensure that the principles of operating
this equipment are well understood by the user. Misuse of
this product in any manner, tampering with its components,
or unauthorized substitution of any component may
adversely affect the safety of this instrument.
WARNING
Since the use of this instrument is beyond the control of
Teledyne Analytical Instruments, referred as TAI, no
responsibility by TAI, its affiliates, and agents for damage or
injury from misuse or neglect of this equipment is implied or
assumed.
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High Temperature Combustion Operational Theory
Introduction
1.1 Overview
Teledyne Analytical Instruments (TAI) offers a variety of Total
Organic Carbon (TOC) analyzers to serve a wide range of applications.
The Model 6700C High Temperature Combustion TOC Analyzer
provides accurate and reliable on-line TOC and TN analysis and is
configured to provide maximum utility using an advanced Micro s of t
Windows based CE computer with touch screen.
This manual includes all necessary information to help you install,
operate and service your Analyzer. The analyzer is designed for easy
Operator Maintenance and does not normally require field service.
The Windows-based CE operator interface provides easy, fast and
reliable analysis. This manual includes all necessary information to help
you install, operate and service your Analyzer.
The Model 6700C TOC-True Analyzer is designed for easy
operation and maintenance. Particular attention has been devoted to the
design, whereby any module can be replaced by the operator within 15
minutes. Components such as the NDIR units have been specifically
designed with no moving parts and use a corrosion resistant design to
further reduce maintenance tasks.
The analyzer is suitable for both General Purpose and/or Hazardous
Area classifications, if properly configured with required safety
equipment.
Operating the analyzer is easy. It uses a standard, industrial
Windows CE computer programmed for complete automatic control
(there are no operator manual adjustments). Operators are advised to
study pertinent chapters in this manual to fully utilize the capabilities of
the analyzer and avoid problems that could be associated with any
instrument.
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Operational Theory Model 6700C TOC
The Analyzer is designed for monitoring of Total Organic Carbon
(TOC) in water. This intended use involves carefully following the
instructions provided in this manual and observing all indicated
warnings, hints and instructions.
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High Temperature Combustion Operational Theory
Operational Theory
2.1 Measurement Principle
Refer to Figure 2-1.
The Injector is connected with all possible flow paths and separated
from sample and reagent liquids by a 10 ml volume loop. One end of the
volume loop is connected to the injector, the other is connected to the
center port of a 10 port Rotary Valve.
A typical sequence of events for the injection unit for measurement
of TOC is as follows:
The Rotary Valve will be engaged, opening a flow path to the drain
line of the analyzer. The Injector is then sent to the home or empty
position.
The DI Valve is turned on and a small amount of DI is then picked
up by the Injector. The DI Valve is then turned off and the Rotary Valve
is turned to the Acid Port where the Injector pulls a small amount of acid
into the loop. The Rotary Valve is then turned to the sample port and
sample is pulled into the loop. The Rotary Valve is turned to the Sparge
Port and the Injector then pushes the sample and acid to the sparger
through the Sparger Port, where the pH is lowered to approximately 2.0
and inorganic carbon is removed.
After the sparge time is completed, the Injector pulls the inorganic
free sample volume from the sparger. The Rotary Valve is then turned to
the Reactor Port. The Injector pumps the sample into the reactor at a
flow rate of one (1) drop in approximately seven (7) seconds.
The sample is oxidized in the High Temperature Furnace where
organic carbon is converted to CO2 and the gases are directed to a cooler
condenser where excess water is removed, and then on to the NDIR
where the CO2 is measured and TOC is determined. The gases are then
passed to vent.
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Operational Theory Model 6700C TOC
Figure 2-1 Typical Flow Diagram
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High Temperature Combustion Installation/Startup
Installation and Startup
The Model 6700C is often configured for a specific application as
requested by the customer. Optional equipment and any application
specific configuration of this instrument will be described in an
addendum to this manual. Please check the front of this manual for any
addenda that may be included.
3.1 Installation
Installation of the Total Organic Analyzer includes:
1. Unpacking
2. Mounting
3. Gas Connections
4. Electrical Connections
5. Testing the System
6. Unpacking the Analyzer
The analyzer is shipped with all the materials you need to install
and prepare the system for operation. Carefully unpack the analyzer and
inspect it for damage and immediately report any damage to the
shipping agent.
Note: If the Reactor has been packed and shipped separately,
please follow the instructions below to properly prepare
and install the Reactor.
Open the door of the Combustion Module. Figure 3-1 shows the
reactor properly installed in the furnace.
See also Section 5.3.6.
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Installation/Startup Model 6700C TOC
Figure 3-1: Combustion Module Interior
3.2 Non – Catalytic Reactor Packing
The following pages describe the assembly of the Reactor using the
“Non-Catalytic” Oxidation Method at temperature up to 950°C.
Note: The Reactor life is directly related to temperature. It is
recommended that the operating temperature not exceed
900°C and preferably be at 850°C.
3.2.1 Identify Parts
Quartz Sleeve (P/N: S1795)
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High Temperature Combustion Installation/Startup
Quartz Combustion Reactor (P/N: R3332)
Ceramic Wool Disks (P/N: D685):
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Installation/Startup Model 6700C TOC
Glass Reactor Top (P/N: R3331)
Top Retainer (P/N: R3350)
3.2.2 Preparation of Combustion Reactor
Note: The React or may be operated with platinum catalyst at
680º to 750º C or non-catalytically at higher temperature
(850ºC recommended). The standard configuration is noncatalytic, although catalyst may be purchased and used, if
an unusually difficult to oxidize sample is encountered.
TAI recommends to first raise the temperature to 900º C (max.) to
determine if satisfactory performance is attained before packing the
Reactor with catalyst. The Reactor temperature profile is 100º C higher
than the temperature controller set point in certain areas of the Reactor.
Reactor life is highly dependent on operating temperature and the
operator is cautioned not to exceed these temperature set points in order
to prevent damage to the Reactor. The Reactor should be maintained at
temperature and not turned on and off in order to minimize stress failure
of the Reactor over a period of time.
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High Temperature Combustion Installation/Startup
3.2.2.1 INSTALL QUARTZ SLEEVE (INSERT)
Carefully place the Quartz Sleevet (P/N:S1795) into the Quartz
Reactor (P/N:R3332 as shown in Figure 3-2.
Figure 3-2: Installing Quartz Insert into Reactor
3.2.2.2 LOADING CERAMIC WOOL SLICES
Load the ceramic wool as shown in Figure 3-3.
Figure 3-3: Loading Ceramic Wool Slices
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Installation/Startup Model 6700C TOC
CAUTION: Be careful to slowly place the assembly in a
vertical position, AVOIDING A RAPID DROP of the
Ceramic Sleeve and Spacer to the bottom of the
Reactor.
If not carefully inverted, the Ceramic Sleeve and
Spacer will damage the bottom of the Reactor by
dropping too fast.
3.3 Catalytic Reactor Packing
The following figures represent the packing used for the catalytic
oxidation method.
The optimum furnace operating temperature is between 680°C and
750°C. The lower the temperature, the longer the life of the catalyst.
Figure 3-4: Catalyst Packing
1. Loosely pack Ceramic Wool at bottom of Reactor base.
2. Pour catalyst into Reactor.
3. Loosely pack Ceramic Wool on top of catalyst.
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High Temperature Combustion Installation/Startup
3.4 Inserting Reactor into Furnace
Carefully insert the Reactor Assembly into the Furnace and secure
the Assembly by following the procedure outlined in Figures 3-5
through 3-8.
Finger-tighten the Gas/Liquid Separator (P/N: G608) to Reactor,
as shown below in Figure 3-5.
Figure 3-5: Gas/Liquid Separator
Connect the Combustion Module Drain port to a facility gravity
drain with a 1 inch air break between the end of the drain line
and any liquids in the collection vessel (jar, facility drain) in
order to prevent a “vapor lock”. This drain line should be routed
in a straight fashion and free of kinks or restrictions thereby
allowing the liquids to drain freely.
Prepare the Gas/Liquid Separator by filling it with D.I. water
until it overflows to drain, as shown in Figure 3-6. This provides
proper sealing of the reacted sample gases.
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Installation/Startup Model 6700C TOC
Figure 3-6: Filling Separator with DI Water
Prepare to position Glass Reactor Top (PN: R3331) on Reactor,
per Figure 3-7.
Figure 3-7: Attaching Reactor Top
Using Top Retainer (P/N:R3350) position and fasten Glass
Reactor Top to Reactor, per Figure 3-8.
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High Temperature Combustion Installation/Startup
Figure 3-8: Top Retainer Installation
3.5 Startup of the Analyzer
Before starting the analyzer, please check the following:
Air/oxygen supply – This must provide a constant pressure of
15 ± 2 psi, ultra-pure oxygen or hydrocarbon and CO
a flow rate up to 300 cc/minute. Pre-purified air may be used
with optional Zero Air Generator which requires Instrument Air
or Oxygen Generator which requires electricity only.
Drain Line – Check to see if the Drain Line is sloped downward
and is free of kinks, loops and allows normal vented gravity flow
with an air break to an open receptacle (jar, pipe, etc.).
Vents – Vent lines must be properly installed and vented to
atmospheric conditions and not allowed to have either a
restriction or a pumping of exhaust flow, as either of these
conditions may result in improper analyzer operation.
–free air at
2
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Installation/Startup Model 6700C TOC
CAUTION: FAILURE TO OBSERVE THIS WILL RESULT IN
IMPROPER OPERATION OR A SAFETY HAZARD.
ELECTRICAL – Assure proper electrical installation.
SAFETY – All customer and TAI specified safety measures are
followed.
After all of the above checks, turn analyzer ON by activating the
facility power switch. Thereafter, follow the MENU on the display.
Ultimate stability of the analyzer will occur within a few hours,
although initial operation may proceed in one hour after the reactor
temperature reaches its set point.
Immerse the line from “sample” port of the Analyzer into a D.I.
water container. Immerse the acid line from the “ACID IN” port of the
Analyzer into an ACID container. (2N HCl)
Note: For “TC” only operation, No Acid is Requir ed.
3.6 Shutdown
Prior to shutdown of the analyzer or service on the Reactor, flush
D.I. water through all sample and reagent lines.
CAUTION: FAILURE TO OBSERVE ADEQUATE FLUSHING
COULD RESULT IN HARMFUL ACID BURNS AND/OR
A REACTOR CLOG.
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High Temperature Combustion Operation
Operation
After proper installation the instrument must be calibrated.
Following calibration, the instrument is ready to be placed “ON-LINE”.
Note: For any non–standard or specific operational procedures,
please refer to the “INSTALLATION” and any addenda
that accompanies this manual for details on your specific
application. Items such as valving, stream sequencing,
automatic calibration, etc. are non-standard items and will
be described in an attached addendum.
4.1 Menus
The advanced design of the Model 6700C Analyzer eliminates
complicated, routine, and sometimes confusing Menus. The operator/
software interface is as simple as the analyzer’s construction, operation,
and most importantly, maintenance.
The analyzer has no manual adjustments. Complete calibration and
operation are computer controlled by the operator, following menu
prompting and selection of the operation of choice.
The following menu and operation descriptions are intended to
guide the Operator through all the functions of the Model 6700C TOC
High Temperature Combustion Analyzer.
After primary power (110/220VAC) has been applied to the
Analyzer and self-diagnostic procedure has been completed, the system
automatically boots up to the following Run Screen. If not, turn main
power OFF, then ON to reboot.
4.2 Run Mode
Run is the normal analysis mode. The display indicates the current
TOC or both TOC and TN (optional) values, [IR] IR response, and
[Flow] carrier gas flow rate.
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Operation Model 6700C TOC
Although your analyzer has been configured for optimum
performance in your application, on initial startup the setup parameters
should be verified (Consult Factory Settings for Your Application).
4.3 Edit
The Edit menu contains functions that allow you to configure the
instrument to your application. Within the EDIT menu you can:
Set instrument parameters
Set Alarms and setpoints
Benchmark scheduling
Autocal scheduling
Set volumes
Define species
From the Run Screen, select [EDIT]. The following menu will
appear:
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High Temperature Combustion Operation
4.3.1 Edit/Parameters
From the EDIT Menu, select: [Parameters]. The following Screen
Appears:
The Model 6700C TOC High Temperature Combustion Analyzer
may be configured to suit the requirements of the operator by the use of
[Parameters] Menus.
Carrier Flow Rate
Liquid Range
Note: The “Liquid Range” setting is that value to which the full-
scale output is to be set (not the value of the Liquid Span).
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Operation Model 6700C TOC
4.3.2 Edit/Alarms
The next recommended settings to be verified or set are the Alarm
Settings.
From the [Edit] Menu, select [Alarms]. The following Menu
appears:
From this menu you can verify or select the desired Alarm points.
4.4 Cal
Although the instrument has been calibrated to your specifications
at the factory, it should be rechecked after satisfactory installation and
periodically calibrated as suggested for your application.
The analyzer calibration is performed by an “end-to-end” method,
whereby a known chemical standard solution is introduced to the
analyzer and the analyzer is “spanned” to that value.
4.4.1 Organic and Inorganic Carbon Standards
KHP (Potassium Hydrogen Phthalate) is recommended for the
organic carbon standard solution. Sodium Carbonate is recommended
for the inorganic carbon standard. Table 3-1 provides the concentration
to be used for two ranges of different chemical compounds (organic &
inorganic carbon). Using a ratio of these concentrations will provide
other ranges for the span solution.
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High Temperature Combustion Operation
Table 3-1: Preparation of Standards (TOC)
ORGANIC COMPOUNDS
Ethylene Glycol
Methanol
Ethanol
Acetone
Carbon Tetrachloride
Sucrose
Urea
Acetic Acid
KHP (Potassium acid phthalate)
Glycine
Sodium Stearate
Succinic Acid
Sodium Oxalate
Table 3-2: Preparation of Standards (TN)
100 mg/Liter
TOC (AS CARBON)
.233 ml/L H
.337 ml/L H
.242 ml/L H
.204 ml/L H
.807 ml/L H
.238 gm/L H
.500 gm/L H
.250 gm/L H
.212 gm/L H
.313 gm/L H
.141 gm/L H
.246 gm/L H
.555 gm/L H
20 2.33 ml/L H20
20 3.37 ml/L H20
20 2.42 ml/L H20
20 2.04 ml/L H20
20 8.07 ml/L H20
20 2.38 gm/L H20
20 5.00 gm/L H20
20 2.50 gm/L H20
20 2.12 gm/L H20
20 3.13 gm/L H20
20 1.41 gm/L H20
20 2.46 gm/L H20
20 5.55 gm/L H20
1000 mg/Liter
TOC (AS CARBON)
Total Nitrogen 100 mg/Kiter 1000 mg/Liter
Ammonium Sulfate
Table 3-3: Preparation of Standards (TIC)
Inorganic Compounds
Sodium Carbonate
Potassium Carbonate
Ammonium Carbonate
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0.4728 gm/L 4.728 gm/L
50 mg/Liter
TIC (As Carbon)
.442 gm/L H
.575 gm/L H
.475 gm/L H
2
2
2
O.
O.
O.
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Operation Model 6700C TOC
4.4.2 Reagents
The following provides reagent preparation guides for acid reagent.
Sulfuric Acid is the acid of choice. Phosphoric Acid may NOT be
used in the Model 6700C TOC High Temperature Combustion
Analyzer.
4.4.2.1 PREPARATION OF SULFURIC ACID SOLUTION
TAI recommends the use of Ethylene Glycol and Ammonium
Sulfate, but the user may choose another standard from the above tables.
The container used should be flushed with distilled or deionized (DI)
water. Add 56ml of 66 Baume sulfuric acid to 1 liter of D. I.
Recommended Reagent Container size is 4 Liter.
CAUTION: ALWAYS ADD ACID TO WATER TO KEEP FROM
SPLASHING OR SPRAYING REACTION
COMPONENTS.
4.4.3 NDIR Calibration (Gas Calibration)
Note: On the initial Startup or after a prolonged storage, the gas
calibration should be checked and, if necessary, performed
prior to liquid calibration (see Section 3.5).
From Menu, select [CAL]. The following screen will appear:
Select [Sensor].
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High Temperature Combustion Operation
The following screen appears:
Disconnect the tubing from the GLS and connect the “IR”
calibration adapter (P/N A1000) to the calibration gas cylinder tubing as
shown in Figure 4-1. TAI recommends using the Cal. Gas Kit P/N
K258 (1.0% CO2) or K259 (0.1% CO2).
Figure 4-1: Connecting Calibration Adapter
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Operation Model 6700C TOC
To set IR “Zero”:
Flow 200cc/minute oxygen (or CO
free air) for 5 minutes.
2
Allow the NDIR reading to stabilize. Select [ZERO]. The
NDIR Reading will be set to 0.
To set IR “Span”, a gas calibration standard mixture of 1% CO2 in
pure nitrogen is required for the 6 inch (shorter) IR bench. A gas
mixture of 0.1% CO2 in pure nitrogen is required for the longer (15 inch)
bench.
Flow 200 cc/minute of this cal gas.
Allow the NDIR reading to stabilize and then select [SPAN].
The NDIR reading will be set to 10,000.
Select [OK] to save or [CANCEL] to reject the calibration
setting.
The NDIR has now been properly calibrated. Re-connect tubing as
before.
4.4.4.“End-to End” Calibration
Note: On the initial Startup, the gas calibration should be
checked and, if necessary, performed prior to liquid
calibration.
From Menu, select [CAL]. The following screen will appear:
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High Temperature Combustion Operation
Select [Liquid]. The following screen appears:
Select “ZERO”. D. I. water is automatically introduced to the
analyzer. The user will be notified upon completion.
Select the span solution value, and press [Span] to introduce the
solution and then select [SPAN]. If the calibration is acceptable, select
[OK] or [CANCEL] if not acceptable.
The analyzer is now calibrated and ready to run samples.
4.5 Chart
Historical Data may be obtained from the Chart menu. The
following data can be edited or recalled:
Scale – set the scale for the screen
Last 24 hours – Review of data taken within the last 24 hours
Historical Data – Recall archived data
To enter the menu, select [Chart] from the screen. The following
menu will appear.
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Operation Model 6700C TOC
4.5.1 Scale
Select [Scale] to edit the scale displayed. The following screen will
appear.
Edit Scale as desired.
4.5.2 Last 24 Hours
Select [Last 24 Hours] to view the data produced in the last 24
hours. The following screen will appear:
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High Temperature Combustion Operation
Using the Scroll Bar, select the data to be viewed.
4.5.3 Historical Data
Select [Historical Data] to view any archived data. The following
screen appears:
Select time period desired.
4.6 Test
From the screen, select [Test]. The following menu appears:
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Operation Model 6700C TOC
Select [System Diagnostics]. The following menu appears:
From this screen the operator may perform individual testing of
components related to functionality and settings.
See Section 5 for information on troubleshooting and maintenance.
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High Temperature Combustion Maintenance
Maintenance
Aside from normal cleaning and checking for leaks at the
connections, the Model 6700C should not require any maintenance
beyond recalibration, as described in Chapter 4, Operation.
5.1 Factory Assistance
For factory assistance, contact TAI Customer Assistance via phone,
fax, or email:
Teledyne Analytical Instruments
16830 Chestnut Street
City of Industry, California 91748-1020, USA
Tel: 626-961-9221 or 626-934-1500
Fax: 626-961-2538 or 626-934-1651
Toll free: 888-789-8168
Email: ask_tai@teledyne.com
Note: Please provide the analyzer model and serial number
when contacting Customer Service.
5.2 Troubleshooting Guide
Prior to performing detailed troubleshooting procedures detailed
below, it is suggested that the operator first perform computer-aided
testing of the analyzer using built-in test routine as described in Section
4.6.
If you are experiencing trouble with your instrument, please refer to
the following checklist:
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Maintenance Model 6700C TOC
Table 5-1 Troubleshooting
PROBLEMS SOLUTION
Analyzer will not turn on Check fuse & power connections.
Look for loose or damaged wiring.
Check for 12V DC from power supply.
Check power supply fuse.
Analyzer will not calibrate, is
sluggish
Analyzer is excessively noisy Check for leaks at tubing connection
Display not functioning Check cable connections
Injector not operating (Syringe
plunger not moving back and
forth)
Injector operating but not
pumping fluid
Look for & correct any liquid or gas line
leaks.
Check power supply voltage
Suspect: Malfunctioning display — replace.
Refer to section “Injection System”
Verify that carrier loss did not cause the
injector to be turned off.
Verify ribbon cable connection to injector.
Exchange injector (P/N )
Refer to section “Injector”
Change tubing
Verify DI line is in full DI container.
5.3 Module Service
5.3.1 NDIR Calibration
(Refer to Section 4.4.3).
5.3.2 NDIR Service
(P/N CP2805 or CP2802 determined by measurement range)
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High Temperature Combustion Maintenance
To remove and service the NDIR, follow the illustrated sequence as
described in the following NDIR Module Exchange Directions. See
Figure 5-1.
Figure 5-1: Removing the NDIR
Replacement:
1. Turn off power.
2. Remove inlet tube from NDIR Assembly.
3. Remove vent tube from NDIR Assembly.
4. Unplug interface cable from NDIR Assembly.
5. 5. Remove NDIR Assembly from cabinet.
Note: Appearance may differ depending on range of machine.
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Maintenance Model 6700C TOC
Remove insulation from IR
Cell.
Remove lock-tight from three
thumbnuts and remove.
Slide out and remove Source
Assembly.
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High Temperature Combustion Maintenance
Remove IR Cell
Assembly
Note:
a. ‘O’-Rings in each of
Detector Assembly (left)
and Source Assembly
(right).
b. Sapphire windows
located under ‘O’-Rings
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Maintenance Model 6700C TOC
*Remove ‘O’-Ring and
Sapphire window taking care
to avoid scratching sapphire
window.
*Recommend using toothpick.
Clean sapphire windows with
a soft, lintless tissue (use DI
water, if necessary).
To Reassemble:
Install IR Cell.
Install Source Assembly end
piece.
Note: Large outlet port goes
into Detector Assembly (left)
Insert lock-tight on three thumbnuts to prevent back off.
Install insulation. Replace assembly as before.
Recalibrate NDIR (Section 4.4.4).
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High Temperature Combustion Maintenance
5.3.3 Master Interface Board
(P/N B718 & P/N B717)
The Master Control Panel has no field adjustment. If
malfunctioning, exchange modules by using the following instructions.
See Figure 5-2.
Figure 5-2: Removing the Master Interface Board Assembly
Procedure:
1. Turn off power.
2. Remove plastic cover.
3. Disconnect connectors.
4. Remove panel.
5.3.4 D.C. Power Supply
(P/N P1506)
The power supply has no field adjustment. If malfunctioning,
replace the module (P/N P1506) using the directions below. Refer to
Figure 5-3.
Procedure:
1. Turn off power.
2. Remove plastic cover.
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Maintenance Model 6700C TOC
3. Disconnect connectors.
4. Slide Power Supply off the Din Rail.
5. Remove Power Supply Module.
6. Replace Power Supply Module.
7. Reverse steps for installation.
8. Recalibrate liquid and span values.
Figure 5-3: DC Power Supply
5.3.5 Computer
If malfunctioning, exchange Computer Module using the
directions below. See Figure 5-4.
Procedure:
1. Turn off power
2. Disconnect electrical connectors.
3. Remove screws holding Module in place.
4. Remove module.
5. 5. Install new CE Computer in reverse disassembly instruction
procedure steps. Recalibrate liquid zero and span values.
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High Temperature Combustion Maintenance
6. 6. Recalibrate liquid Zero and Span.
Figure 5-4: Removing Computer Module
5.3.6 Reactor Assembly and Gas/Liquid Separator
(P/N R3332) Reactor
(P/N G608) GLS
If Reactor is malfunctioning or GLS is broken, use the following
procedure for removal. Also, see Section 3.2.2 for information on
repacking the Reactor. See Figure 5-5.
Procedure:
Replacement
1. Turn off power to Reactor.
2. Verify ambient temperature. The Reactor temperature is
displayed at the top center of the display.
CAUTION: HOT SURFACES! WEAR GLOVES TO AVOID
SEVERE BURNS.
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Maintenance Model 6700C TOC
Figure 5-5: Reactor Assembly and GLS
3. Remove GLS.
Loosen fitting.
Raise Reactor until the Reactor bottom clears the GLS.
Remove GLS.
4. Remove Reactor top piece.
5. Remove back plate nuts.
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High Temperature Combustion Maintenance
6. Tilt black plate forward.
7. Remove Reactor after complete cool-down.
5.3.7 Mass Flow Controller
If proper flow is not detected by the computer, an alarm will be
activated and displayed. The fault may be in the O2/Air supply (check
for 20 psi and flow of the supply by disconnecting the input). If supply
flow exists, fault may be in the tubing. Disconnect output side of Mass
Flow Controller and check for flow. If no flow exists, exchange Mass
Flow Controller according to the procedures given below. Refer to
Figure 5-6. If flow still does not exist, check all tubing for restrictions,
leaks, etc.
Figure 5-6: Typical Mass Flow Controller Used in the Model
6700C
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Maintenance Model 6700C TOC
Procedure:
1. Shut off Power to Instruments.
2. Shut off all gas to analyzer and bleed system for “0” pressure.
3. Disconnect fittings/tubing.
4. Loosen screws holding Module in-place.
5. Remove Module.
6. Recalibrate analyzer after re-installation of exchange Module.
Note: Mass Flow Controllers of different manufacture may be
used. Include the manufacturer, make and model
information when communicating with TAI Customer
Service.
5.3.8 Metering Valve
If no O2/air flow to the Sparger is observed (no bubbles), check for
tubing and fitting leaks or restrictions. Adjust the Metering Valve being
careful to return to previous indicated bubble rate. If flow cannot be
restored, replace the Metering Valve according to the procedure given
below. Refer to Figure 5-7.
Figure 5-7: Metering Valve
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High Temperature Combustion Maintenance
Procedure:
1. Turn carrier gas (Air/O2) OFF.
2. Turn Pumps OFF.
3. Remove fittings and tubing.
4. Remove Metering Valve.
5. Recalibrate TIC if TIC and/or TOC–TRUE analysis is
required. Only NPOC analysis does not require recalibration.
6. Reinstall Metering Valve in reverse order.
5.3.9 Sparger
The Sparger may be removed for cleaning with detergent and
subsequent flushing with DI water. If the Sparger inner glass body is
leaking (cracked glass, etc.), or is clogged beyond cleaning, replace the
Sparger according to the procedure given below. Refer to Figure 5-8.
Figure 5-8: Sparger
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Maintenance Model 6700C TOC
Procedure:
CAUTION: OBSERVE NORMAL PRECAUTIONS WHEN
HANDLING ACIDS.
Replacement
1. Turn machine OFF.
2. Turn carrier gas (Air/O
) OFF.
2
3. Remove and drain tubing and Sparger.
4. Remove Sparger from spring clips.
Cleaning
1. Run warm water through tubing to flush out any solid
contamination.
2. Reinstall Sparger in reverse order.
5.3.10 Injector Assembly
To remove the Injector Assembly (See Figure 5-9):
1. Turn off power
2. Disconnect all tubing
3. Remove Injector
4. Reinstall new injector in reverse order
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High Temperature Combustion Maintenance
Figure 5-9: Injector Assembly
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Maintenance Model 6700C TOC
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Percent Oxygen Analyzer Appendix
Appendix
A.1 Specifications
(The following specifications are nominal and depend on the actual
application).
Measuring Method: TC (Total Carbon) – High Temperature
Combustion.
TOC (Total Organic Carbon) acidification
and sparging to eliminate inorganic carbon
interference.
Range: 0-100 through 0-10,000 ppm, full scale.
(Range changes often require carrier gas
adjustments. This analyzer uses the
precision of computer controlled mass
flow controllers to eliminate operator error
and the use of inaccurate mechanical flow
meters.)
Display: Windows with Paperless Chart Recorder
Data Handling: RS-232C, RS-485
Output: 4-20 mA
Alarms: Two alarm levels
One master fault alarm
Response Time: Application dependent
Repeatability: ±3% FS (std. dev. 1 sigma)
Zero/Span Stability: ±3% FS
Linearity: ±3% FS
Inlet Pressure: Atmospheric to 3 psig ±0.5 psi
Carrier Gas Flow Rate: 300 ccm (max.)
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Appendix Model 3290
Drain: Gravity drain, vented to atmosphere.
Suspended Solids: 400 microns (max.)
Reagents: 2N HCl (TOC only)
Calibration: Zero TOC (DI water) and one point span
(TOC standard). Computer stored multiple
calibration curves.
Power: 115 ±10% VAC, 50/60 Hz (10 amp)
220 ±10% VAC, 50/60 Hz
Air/Oxygen: 300 ccm (max.) at 15 ±2 psi
Drain: Gravity drain
A-2 Recommended Spare Parts
PART
QTY.
1 F2487 Furnace
1 CP3178 Temp Controller
1 T1722 Thermocouple
2 D685 Ceramic wool disk
1 S1795 Quartz sleeve
1 R3331 Reactor top w/ needle
1 R3332 Quartz combustion reactor
1 G608 GLS
1 T1516 1/8” PFA Tubing (25 ft roll)
1 CP2618 1/8” Peek Flangeless Nuts (10/pkg)
1 CP2617 1/8” Flangeless Ferrules
1 CP2619 White Cable Ties
1 U262 Peek Union
NO.
DESCRIPTION
1 T1517 Peek Tee
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Percent Oxygen Analyzer Appendix
Send orders to:
TELEDYNE Analytical Instruments
16830 Chestnut Street
City of Industry, CA 91748
Telephone: (626) 934-1500
Fax: (626) 961-2538
Web: www.teledyne-ai.com
or your local representative.
Teledyne Analytical Instruments 59
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