minor corrosive dangers. Also used when defining personal
protective equipment (gloves, dust masks, etc.)
Personal injury risk: machinery hazards around guarded
equipment, moving parts, crush/pinch hazards, flying debris, and
arc flash hazards.
Vertex M TM Technical Handbook
The most dangerous or potentially lethal hazards: unguarded
equipment, confined space entrances, and lockout labels.
Caution: possibility of electric shock
Caution: hot surface
Protective conductor terminal (ground terminal)
i
Vertex MTM 24-Point Continuous Monitor
EMC Considerations
Your Honeywell Analytics monitor has been designed
to comply with applicable Electromagnetic Compatibility
(EMC) standards at the time of manufacture. The design
includes filtering, shielding and bypassing techniques.
At the time of certification, simulated customer Input/
Output (I/O) schemes were tested.
All methods used in your equipment for emission
suppression and reduction of susceptibility are
interactive. Modifications to the instrument could result
in increased emissions and higher vulnerability to other
radiated fields.
Following the guidelines in this EMC Considerations
section will ensure your instrument maintains the
highest degree of EMC integrity. The guidelines listed
apply only to I/O emissions and do not apply to A.C.
and D.C. instrument power connections.
Cabling
At a very minimum, all cables should include a braided
shield. Ideal results have been obtained with twisted
pair cabling which has a foil shield surrounding each
pair plus foil and 90% braid shielding around the b undle.
In addition, ensure local electrical code requirements
are met.
The following cable parameters must be considered:
Braid
Foil
Twisted Pair
Stranded Pair
Shield
Termination
Must have a minimum 90% coverage
When used with braid, provides 100% coverage
Do not use foil alone. It has a tendency to break.
Provides for cancelling of magnetic fields
Provides the greatest surface area
Continuation of the shield to the cabinet earth
ground is most important. For discrete wire
terminations, pigtails to the cabinet (connector)
ground should be extremely short (absolutely no
greater than three inches). For multiconductor
connector terminations, only 360° shielded
shells should be used.
Vertex M TM Technical Handbook
Note:
Honeywell Analytics product testing uses >90% braid
with foil (around the bundle); twisted pair; stranded 24
AWG (minimum wiring for all qualification and certification testing.)
Connectors
All qualification and certification of Honeywell Analytics
products were achieved with high quality connectors,
providing 360° shield coverage. These connectors
generally had metal shells.
Failure to properly secure the connector to the
equipment will result in high emission levels. Also,
poorly constructed or improperly assembled connectors
can be a high source of radiated noise and provide a
path for external signals into the monitor.
ii
Vertex MTM 24-Point Continuous Monitor
Table of Contents
Symbols Used on Your Instrument ..................................i
System Overview ........................................................1-2
Manufacturer
General Safety
System Components
Vertex M Front
Vertex M Back
Sample Tubing, Exhaust and Wiring Ports
Analyzer Side Panel
Analyzer Front
System Controls
Data Acquisition Computer (rear)
Back of Chemcassette
Main PLC
4-20mA Analog Output Option PLC
Menu Map
Analyzer Modules
Sampling System
Chemcassette
Detector Optics
Stain Pattern
Chemcassette
Optional ChemCam
Sample Filters
Pyrolyzer Module Detection System
Pyrolyzer Fan
Vacuum Pumps
Multiple Gas Monitoring
Control System
Define Gas Location
Configure Analyzers and Points
Set Analyzer Window
Configure Point
Define and Assign Relays
Configure PLC
Set Alarm Relays
Set Fault Relays
Add Honeywell software to Desktop
Create a “Honeywell Analytics” account
Create Group “VertexDCOMUsers”
Disable Windows Firewall
Configure DCOM
Windows Firewall
Create matching Windows Accounts
Demonstrating Remote OPC Communication
Setup Procedure
Demonstration with Matrikon OPC Explorer
Demonstration with DAClient
The Honeywell Analytics Vertex M™ System
continuously monitors up to 24 remote locations
for toxic gases. It responds to gases that exceed
programmed levels by:
•Triggering alarms and opening event windows
to warn operators of high or low concentrations
•Triggering relays to external devices
•Displaying the location, gas type and gas
concentration
•Storing the alarm information in a database
The Vertex M System provides fast response to a wide
range of gases. Each location may be up to 400 ft
(122 m) from the Vertex M System. The system uses
one or more of Honeywell Analytics’ Chemcassette®
analyzers, with or without pyrolyzer, to provide a
monitoring system tailored to meet the requirements
of the facility.
The V ertex M System incorporates a range of redundant
and protective features for maximum uptime:
•Filters, Chemcassettes® and major
components in one of the analyzers can
be replaced while the remaining analyzers
continue to function
Operation can be through an LCD touch screen or
through a local area network (LAN).
Chemcassette® is a registered trademark of Honeywell Analytics, Inc.
1.1.1 Manufacturer
The Vertex M System is manufactured by:
Honeywell Analytics Inc.
405 Barclay Boulevard
Lincolnshire, IL 60069 USA
www.honeywellanalytics.com
1.1.2 General Safety
Follow all installation and operational instructions to
ensure the safe and reliable operation of this unit.
If this monitor is used in a manner not specified by
Honeywell Analytics Inc., the protection provided by
the equipment may be impaired.
•Intelligent analyzer modules allow one to stop
monitoring with no effect on the remaining
modules
•Power supplies are redundant
•Pumps are redundant
•The system powers up in the same state as
when powered down
Section 1 - Introduction1-2
1.2 System Components
The following photos illustrate Vertex M System
components, ports, connections and controls. From
the main front and back photos, click on the labels to
see the detail photos.
Vertex MTM 24-Point Continuous Monitor
1.2.1 Vertex M Front
Sample Tubing, Exhaust and Wiring Ports
Relay PLC (behind monitor)
See Relay Options or Network Interface Options
Touch Screen
System Controls
Pyrolyzer Analyzer
Analyzer Side Panel
Universal Chemcassette
Analyzer
Analyzer Front
®
Section 1 - Introduction1-3
Vertex MTM 24-Point Continuous Monitor
1.2.2 Vertex M Back
Back of Pyrolyzing Chemcassette Analyzer
Data Acquisition
Computer (rear)
Pyrolyzer step-up/Isolation transformer
Section 1 - Introduction1-4
4-20mA Option PLC
Vertex MTM 24-Point Continuous Monitor
1.2.3 Sample Tubing, Exhaust and Wiring Ports
AC Input
0.75 in pipe thread
System Exhaust
0.5 in (12.7mm) tubing
Analyzer 3 Sample Ports
Alarm Wiring Conduit Plate
2 in (50.8mm)
Power Connection
Access Panel
3-Port Manifold for multiple gas sampling
See Section A.4 Nominal T r ansport Times for tubing
length limitations
Note:
The Alarm wiring conduit plate must remain in place if not used.
Analyzer 2 Sample Ports
Analyzer 1 Sample Ports
Points 1 thru 8 (Left to Right)
Section 1 - Introduction1-5
Vertex MTM 24-Point Continuous Monitor
1.2.4 Analyzer Side Panel
Exterior View
Slide Latch
Access Screws
Internal View
Analyzer CPU
ChemCam Option
Proportional Valv e Filters
Section 1 - Introduction1-6
Sample Pressure
Transducers
Sample Flow
Transducers
Sensor Interface PCB
Vertex MTM 24-Point Continuous Monitor
1.2.5 Analyzer Front
1.2.6 System Controls
Rack Power Switch and Circuit Breaker
Power Distribution Module
Analyzer Status LED
Pyrolyzer Analyzer
Data Acquisition
Computer (DAq)
Hot Swap
Hard Drives
Section 1 - Introduction1-7
24VDC Power Supplies
2
Analyzer DC and Pyrolyzer AC
Power Switches with Indicators
3
Slot
CD-RW Drive
Vertex MTM 24-Point Continuous Monitor
1.2.7 Data Acquisition Computer (rear)
Power
Mouse
Keyboard
Serial Com2
(not used)
Serial interface
for touchscreen
(COM 1)
USB (3)
Touchscreen
LCD
video
video
USB,
Chemcam
(3 ports)
USB Host Device
Internal Ethernet
External Ethernet
USB (Com8)
to PLC
(this port only)
Caution:
Restrict access to the USB port to reduce the risk of malicious software being introduced.
Note:
Speakers
(not used)
Microphone
(not used)
This photograph shows a typical port configuration. Port and slot locations vary from model to model.
Section 1 - Introduction1-8
Vertex MTM 24-Point Continuous Monitor
1.2.8 Back of Chemcassette® Module
ChemCam USB Connection
(Optional)
Analyzer Communications
(Ethernet)
Analyzer 24V
Power Supply
Multi-Function
Connector
Note:
Connection secured by slide latch. Push up to open. Push down to close.
Section 1 - Introduction1-9
Circular Tubing Harness
Cable Carrier
Vertex MTM 24-Point Continuous Monitor
1.2.9 Main PLC
PLC Processor
Module
DH485/RS232
Interface Module
Expansion slot for optional
Communications Interface
DH485 Link
Coupler
PLC Power Supply
Section 1 - Introduction1-10
Advanced Interface
Converter
Optional Relay
Modules
Vertex MTM 24-Point Continuous Monitor
1.2.10 4-20mA Analog Output Option PLC
Power Supply
4-20mA Output Modules (6X)
Section 1 - Introduction1-11
Vertex MTM 24-Point Continuous Monitor
Review
Functions
Event History
Data Trend
ChemCam
(Optional)
Event List
Main Screen
System
Display Area
Point Detail
Display Area
Menu Buttons
Run Time
Options
Flow
Calibration
Maintenance
Analyzer
Operation/Maintenance
Remove and Replace
Chemcassette Analyzer
Particulate Filters
Change Chemcassette
Tape
Diagnostics
Service
Alarm Test
Fault Test
4-20 mA Test
Authorized
Service
Security
Access
Configuration
Utility
Project
Functions
Define Gas
Location
Configure
Analyzers and
Points
Set Analyzer
Window
Configure
Point
Define and
Assign Relays
Profile
Management-
File Menu
Other Menu
Log In
and Log Out
Changing
Password
Updating
Program
Restore
OnScreen
Keyboard
Stopping
Project
1.3 Menu Map
Section 1 - Introduction1-12
Vertex MTM 24-Point Continuous Monitor
1.4 Analyzer Modules
The Vertex M System is populated with one or more
types of analyzer modules. Each system may contain
Chemcassette® modules or Pyrolyzer modules.
Modules are installed in slots.
Tier 1
Table 1-1. Module Tier Structure
Chemcassette® modules occupy one slot each.
Howev er , Pyrolyzer Chemcassette® modules are to be
installed in slots 1 and 2. Pyrolyzer configuration and
status information will appear in slot 2.
Chemcassette
Pyrolyzer81 and 2 Only 1
Examples of possible combinations in a Vertex M
System:
•One, Two or Three Chemcassette® modules
•One Pyrolyzer Chemcassette® module
•One pyrolyzer Chemcassette® module, one
Chemcassette® module
Your monitor will include only those modules specified
at time of ordering.
CCCC
PYRO
Slot 1Slot 2Slot 3
Number
of Points
®
81, 2 or 33
Table 1-2. Required Slots
Installed
into Slots
CC
Total
Possible
per Vertex
M System
1.5 Sampling System
Each Analyzer module is a monitoring center for
sampling lines from sample locations. As they apply to
the Vertex M System, the words point, line and location
require definition:
•A location is a place to be monitored
•Sample atmosphere runs from the location to
the Vertex M System via a line
•Each of the 24 sample tubing connections on
the Vertex M System corresponds to a point.
A sample line can be connected directly to
a single point or multiple points via a 4-port
manifold
The system draws air simultaneously from all l ocations.
Two different types of flow are:
•Transport flow: high-velocity, large-volume air
movement through the lines
•Sample flow: air admitted to the
Chemcassette® detection system
The high speed of transport flow allows rapid
monitoring and response time when using long lines
from monitored locations to the Vertex M System. A
small portion of the transport flow (sample flow) is
analyzed to determine concentration levels.
The complete sampling and monitoring system consists
of the following components:
•Sample lines to all monitored locations
•Flow connections through quick-connect ports
in bulkheads on top of unit
Section 1 - Introduction1-13
•Moving cable and connectors
•Vacuum pumps
•Analyzers incorporating manifolds,
®
Chemcassette
and filters
•Flow controlling proportional valve
Vertex MTM 24-Point Continuous Monitor
•Top exhaust port
There are 24 inlets, one for each monitored location.
One exhaust port is also located on top of the Vertex
M cabinet.
1.6 Chemcassette® Detection System
The Chemcassette® Analyzer module is a selfcontained, microprocessor controlled analyzer that
occupies one slot in a Vertex M. Sample lines and the
vacuum source are connected to the Chemcassette®
via a single 10-tube connector.
The system powers up in the same state as when
powered down. Data is stored in the module’ s memory
until the data acquisition computer retrieves it.
The Vertex M Analyzer modules use the Honeywell
Analytics’ Chemcassette® optical detection system.
Analyzer modules sample and detect a specific gas
or family of gases.
•Each eight-point Analyzer module:
detection system that measures a stain that develops
®
on the Chemcassette
target gas. Each eight-point Analyzer module has two
detection heads, each with four individual detectors.
tape in the presence of a
1.6.2 Stain Pattern
The following chart shows the stain pattern of sample
®
detection on the Chemcassette
tape.
•Manages Chemcassette® tape transport
•Provides optical detection of stain
•Directs sample flow through the
Chemcassette
®
•Stores data for retrieval by the data acquisition
computer
Components of the detection system include:
•Chemcassette® detection tape
•Optics and electronics for the detection system
•Chemcassette® tape transport mechanism
•Self adjusting proportional valves
1.6.1 Detector Optics
The heart of the Chemcassette® module is an optical
Section 1 - Introduction1-14
When monitoring a location, the system detects and
measures a specific gas or a family of gases in the
sample. The microprocessor in the analyzer module
interprets the data and responds appropriately.
In the legacy detection system, the sample enters
the inlet and passes through the Chemcassette
tape to the sample outlet. The target gas in the
sample flow reacts with the tape and produces a
stain density proportional to the gas concentration.
An LED in the detector head illuminates the sample
stain and the detector then optically measures the
stain.
Vertex MTM 24-Point Continuous Monitor
Surface mount LED
1.6.3 Chemcassette® Tapes
Chemcassette® tapes are tagged with a radio frequency
identification (RFID) tag to automatically identify the
following:
•Serial number
•Gas family/ tape type
•Revision level
•Expiration date of the tape
•Chemcassette® leader parameters
The module uses a leader on the Chemcassette
to allow calibration of the optics e very time a new tape
Legacy Detection System
is installed. This feature can be bypassed.
®
tape
Chemcassette tape
Sample outlet
CLO Detection System
Reference detector
Light pipe
Detector
Flow
Inlet
In the Closed Loop Optics (CLO) detection system,
a reference detector monitors and controls the
intensity of the LED.
The microprocessor in the Chemcassette analyzer
module interprets the stain. It then calculates and
stores a precise concentration level in the module’s
memory. Gas concentrations are reported in
parts-per-million (ppm), parts-per-billion (ppb) or
milligrams-per-cubic-meter (mg/m3).
1.6.4 Optional ChemCam
The ChemCam is a small video camera located
between the take-up reel and the optic head on the
module. It provides a means to observe alarm level
stains.
1.6.5 Sample Filters
The Chemcassette® module includes three types of
filters in the sample flow system. Particulate filters
protect the internal precision orifice from dust particles.
An acid filter is used on the common line to the pumps.
Both types of filters are located in a removable filter
block on the side of the Chemcassette® module. An
internal particulate filter protects each proportional
valve.
Section 1 - Introduction1-15
Vertex MTM 24-Point Continuous Monitor
1.7 Pyrolyzer Module Detection
System
The pyrolyzer module is similar to the standard
Chemcassette
trifluoride (NF
temperature heater (pyrolyzer) which converts the
NF
to hydrogen fluoride (HF). The hydrogen fluoride
3
is then detected with a standard or XPV mineral acids
Chemcassette® tape. Detection is identical to the
Chemcassette
The correlation algorithm between HF and NF3 is
programmed into the module so the monitor displays
the NF
concentration.
3
The Vertex M pyrolyzer module detects NF3 only and
cannot be bypassed to detect mineral acids.
The right filter compartment houses eight par ticulate
filters and one acid scrubber, which are identical
to the standard Chemcassette
compartment houses eight charcoal filters which
remove the following compounds:
Freon® is a registered trademark of E.I. du Pont de Nemours &
Company (DuPont).
The charcoal filters may also remov e other compounds.
Contact Honeywell Analytics for a complete list.
Charcoal filters have a part number (P/N 1874-0139)
unique to the pyrolyzer module.
The Vertex M Pyrolyzer requires two adjacent slots on
one tier and always occupies Slot 1 and 2. The bottom
rail and latch must be removed from slot 1 to install
pyrolyzer.
The Pyrolyzer has a fan that provides cooling to the
pyrolyzer.
1.8 Vacuum Pumps
Two field-replaceable pumps provide a redundant
vacuum source for the transport and sample flow
system. One pump in the system dra ws v acuum while
the other is idle. The pump exhaust connects to the
manufacturing facility central toxic exhaust system.
Note:
The exhaust line from the Vertex M should not exceed 50 feet.
The pumps are located in the bottom of the Vertex M
System cabinet inside a sound-deadening enclosure
to reduce noise. Three cooling fans circulate air over
the pumps.
The Vertex M System draws cooling air in through a
filter mounted on the pump module access door.
Pump Status Indicator
See Pump Status Indicator under Section 4.3.1 System
Display Area.
1.9 Multiple Gas Monitoring
A Vertex M System equipped with two or more types
of Analyzer modules can monitor more than one gas
(or groups of gases such as hydrides or mineral acids)
at a location.
Each Vertex M Analyzer module can monitor only one
gas family (such as hydrides or mineral acids).
Section 1 - Introduction1-16
Vertex MTM 24-Point Continuous Monitor
Communications
Above is a simplified block diagram of the communications
path of the control system. The analyzer modules and
PLC are microprocessor controlled and contain nonvolatile memory.
1.10.1 Data Acquisition Computer
The data acquisition computer (DAq) is the central
processor for the Vertex M System. It configures the
analyzers, stores data and provides a netw ork interface
for data transfer to other computers. System display
and operator control is through an LCD touchscreen w/
on-screen keyboard or included external keyboard.
Optional manifold for multiple-gas monitoring.
CAUTION
1.10 Control System
The Vertex M control system is a redundant system
consisting of a central data acquisition computer (DAq),
a programmable logic controller (PLC) and one or more
analyzer modules.
PLC
Primary
Communications
Alarms and Faults
Secondary
Az
Data
Communications
Prgramming
and Display
AzAz
Alarms and
Faults Should
Primary Fail
OPC on TCP/IP via Ethernet not recommended for alarm annunciation.
1.10.2 Programmable Logic Controller
The Programmable Logic Controller (PLC) is the
control system path between the DAq and the
individual analyzers. The PLC polls the analyzers for
current information, activates relays which may be
connected to external alarms and provides external
communications.
DAq
Figure 1-1. Communications Path
Section 1 - Introduction1-17
Vertex MTM 24-Point Continuous Monitor
Section 1 - Introduction1-18
Vertex MTM 24-Point Continuous Monitor
2 Installation
Vertex M TM Technical Handbook
2-1
Vertex MTM 24-Point Continuous Monitor
2.1 Introduction
The installation and initial start-up procedure for the
Ver tex M System consists of seven steps, described
in this and the following sections:
•2.2 Surveying the Installation Site
•2.3 Optional Floor Mounting
•2.4 Installing Sample Lines/Filters
•2.5 Installing Pump Exhaust Line
•2.6 Electrical Power
•2.7 Data Acquisition System
•2.8 Wiring Alarm Relays
2.2 Surveying the Installation Site
A survey of the site helps you mak e important decisions
before installing your Ver tex M System. Topics in this
section assist you with appropriate placement of the
V ertex M System and in determining if you have special
filtering needs at the sampling location.
The site should:
• Be remote from the monitored location, not
sharing the atmosphere
• Have sufficient ventilation for cabinet cooling
• Have power available
• Be indoors in an area that is not subject to wide
variations in temperature and humidity.
Note:
The specified humidity is 20–65% RH and a temperature between 59°F to 95°F (15°C to 35°C).
2.2.1 Placement of the Vertex M System
Install the Vertex M System in an environmentallyprotected setting remote from the manufacturing or
storage locations that it monitors.
Note:
Refer to the installation drawing in Appendix A Installation
Drawings for lifting/mounting information.
Section 2 - Installation2-2
You can place the V ertex M System up to 400 ft. (122 m)
from sample locations.
2.2.2 Exposure to Dust and Humidity
Exposure to corrosive gases or materials, excess
moisture, dust and other unusual environmental
conditions could seriously hamper the Vertex M’s
monitoring ability and could damage the monitor.
Allow room around the V ertex M System f or ventilation
and servicing.
2.2.3 Sample Transport Time
Install the Vertex M System central to all 24 sample
locations to achieve equal sample transport times
during monitoring. The shorter the sample line, the
shorter the response time. If monitoring a critical
location, it may be desirab le to place the monitor near
that critical area to reduce sample transport time for that
location. See Appendix B Specifications for transport
times.
2.2.4 Monitor Dimensions
Monitor dimensions are important factors in monitor
placement. The Vertex M System is 24. in. (61 cm)
wide, 36 in. (91.4 cm) deep and 57 in. (144.8 cm) in
height. The system with 3 analyzers weighs about 550
pounds (249 kg). Allow f or 24 in. (61 cm) door s wing; 5
in. (12.3 cm) at rear and 5 in. (12.3 cm) on sides. Allo w
clearance above monitor for installing sample lines.
2.2.5 Sample Locations
Before installing the Vertex M System, evaluate the
sampling locations to determine if excessive dust
or moisture are present. An external filter must be
used in all locations. Make sure you use the correct
filter. Dust may be a result of construction as well as
manufacturing activities. Moisture ma y occur from rain
entering a line at an outdoor sampling location or from
Vertex MTM 24-Point Continuous Monitor
condensation caused by temperature fluctuations.
Water condensation in the sample lines could cause
false alarms.
Note:
Variables such as airflow, the molecular weight and
temperature of the sample gas, and the physical
conditions of the areas being monitored influence
the placement of the sampling locations. You may
need to consult your company’s industrial hygienist or safety officer before installing sample lines to
determine your company’s policy related to sampling
locations and monitoring of the desired sample gas.
2.2.6 Sample Line Particulate Filter Use
See Appendix B Specifications to determine which filter
type should be used at the location.
2.3 Optional Floor Mounting
For added protection with optional floor mounts, prepare
floor anchors to secure the base of the cabinet and
prevent tipping. See Appendix A Installation Drawings
for floor mounting instructions.
2.4 Installing Sample Lines/Filters
Use only FEP Teflon® tubing to assure proper
sample transport. Other types of tubing are not
sufficiently inert. See Appendix B Specifications for
tube specifications. FEP tubing can be ordered from
Honeywell Analytics. This tubing is manufactured to
our own strict specifications, and has been purged
of all by-products of the manufacturing process. On
occasion, users have supplied their own FEP type
tubing. Should y ou choose to use y our own tubing, be
advised that some brands of FEP tubing off-gas small
amounts of HF, which can be detected on start up by
monitors configured for detecting mineral acids gases
(HBr, HCl, HF, NF3). Before enabling building alarm
systems, make certain that 1) you have installed the
correct Chemcassette® and 2) your monitor reads zero .
Install sample lines from each location to the top of the
Vertex M System. This procedure involves:
•2.4.1 Sample Line Installation Requirements
•2.4.2 Sample Line Connections
•2.4.3 Installing Sample Line Particulate Filters
Teflon® is a registered trademark of E.I. du Pont de Nemours & Company
(DuPont).
2.4.1 Sample Line Installation Requirements
Follow the general requirements listed below when
installing sample lines.
•Sample lines should not exceed 400 ft. (122 m)
in length.
•Route all lines as direct as possible to improve
transport time. See Appendix B Specifications
for transport times.
•Avoid running sample lines through areas of
great temperature extremes, such as adjacent
to steam or chiller lines.
•Sample lines should not be crimped, bent to
less than a 12 in. (30.5 cm) radius, or placed
in an area where weight could collapse
the tubing. Sample lines should be easily
accessible for periodic inspection.
•Where possible, leave as many bends exposed
for periodic visual inspection of the line for
kinked or damaged tubing.
•Check each sample line installation for seal
integrity after completing installation of the
Vertex M System. See Section 3.8 Leak
Checking Sample Lines for the leak check
procedure. Also use this procedure to detect
leaking or severed tubing after events, such
as construction, which may have affected the
Section 2 - Installation2-3
Vertex MTM 24-Point Continuous Monitor
Correct - Fully Inserted
Incorrect - Not Fully Inserted
Tubing
Stop
integrity of the tubing.
•Unused sample line ports may be blocked by
the user with a plug, or a particulate filter may
be installed to keep the system clean. If using
a plug, make sure the system vacuum level is
adjusted.
•If an analyzer is installed in the Vertex with
a Chemcassette tape, the optics may need
cleaning before activating a previously unused
point.
2.4.2 Sample Line Connections
O-Ring
Grey Locking Insert
install a tube into a sample line inlet, insert the tube
far enough into the fitting to ensure that the tube has
passed through both the external grab ring and the
internal O-ring and is firmly seated against the stop. The
insertion depth for a correctly installed sampling line is
1/2 in. to 5/8 in. (12 mm–16 mm). Verify the inser tion
depth by holding the tube and marking with your thumb
where it emerges from the fitting. Remove the tube to
measure the insertion depth.
CAUTION
Improper installation of the tube into the connector results in dilution of the sample.
2.4.3 Installing Sample Line Particulate
Filters
Attach a sample line filter to the sampling end of the
line for all locations.
Figure 2-1. Sample Line Inlet Connections
To prepare for installation of sample lines, remo ve the
FEP Teflon tubing from the installation kit. The top of
the unit includes 25 connections:
•24 Sample Inlets
•Exhaust Outlet (See Section 2.5 Installing
Note:
Always perform a leak check after installing sample
lines. See Section 3.8 Leak Checking Sample Lines
for the leak check procedure.
Pump Exhaust Line for connection.)
Each inlet has a quick connect/disconnect fitting
with an internal O-ring and an external grab ring. To
Section 2 - Installation2-4
CAUTION
Keep in mind that excess amounts of dirt in
the lters reduces the sample ow, raises
sample vacuum and may affect concentration
readings of the analyzer.
See Appendix A Specifications to determine the proper
filter type to use with each target gas.
2.5 Installing Pump Exhaust Line
This section describes exhaust connections and
installation. The Vertex M System is equipped with a
vacuum pump that is located in the bottom of the V ertex
M System cabinet. The pump exhaust line connects
to the manufacturing facility central toxic exhaust
system.
Vertex MTM 24-Point Continuous Monitor
2.5.1 Exhaust Line Installation Requirements
Follow the general requirements listed below when
installing exhaust lines.
The length of the line should not exceed 50 ft. (15 m).
If longer distances are required, contact Honeywell
Analytics.
Do not crimp exhaust lines, or place them in an area
where weight could collapse the tubing, or bend them
to less than a 12 in. (30.5 cm) radius.
Where possible, leave as many bends exposed for
periodic visual inspection of the line for kinked or
damaged tubing.
Var ying exhaust pressure can induce pump failure or
flow faults.
2.5.2 Exhaust Line Connection
The monitor includes 20 ft. (6m) of 3/8 in. (10 mm) I.D .
x 1/2 in. (13 mm) O.D. Teflon tubing. Insert the tubing
into the exhaust port on the top of the unit to the depth
of 0.9 in. (23 mm).
System Exhaust
0.5 in (12.7mm) tubing
To ensure a leak-free installation:
•Use a polypropolene tube with outside
diameter 0.375 in. (9.525mm) +/-.005 in. (0.127mm).
•Verify that the external surface of the tube
is free of score marks and scratches that could
compromise the O-ring seal used in the fitting over
the insertion depth.
•Cut the tube end perpendicular to its length
0.062 inches (1.5 mm) from its end.
•Insert the tube in the fitting to a depth of 0.95
in. (24.13mm) ±0.05 inches (1.27mm)
With the system running, verifty the leak integrity with
a small amount of leak test fluid.
2.6 Electrical Power
The Vertex M System requires a connection to a
source of electrical power . An easil y accessible service
disconnect/power switch must be installed near the
instrument, and the switch must be marked as the main
disconnect for the V ertex M unit. The f ollowing warning
must be displayed at the switch:
CAUTION
Leaks in the exhaust tubing connection can cause
exposure to toxic gases from remote sample areas.
Section 2 - Installation2-5
WARNING
Hazardous voltages may exist at the Alarm
Contacts in this unit with the power switch
turned off. Ensure power is disconnected at
the source prior to servicing alarm contacts.
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