Itron 24GZB Automatic Meter Reading Device for Gas Meters User Manual 2 4GZ OpenWay Gas Module Installation Guide
Itron, Inc. Automatic Meter Reading Device for Gas Meters 2 4GZ OpenWay Gas Module Installation Guide
  
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Contents
- 1. Users Manual Part 1
- 2. Users Manual Part 2
- 3. Users Manual Part 3
Users Manual Part 1

Natural Gas Solutions 
2.4GZ OpenWay Gas Module Installation 
Guide 
Identification 
2.4GZ OpenWay Gas Module Installation Guide 
DRAFT TDC-0816-000
Copyright 
© 2009 Itron, Inc. All rights reserved.  
Your company has the right to reproduce this contract document, provided that such reproduction shall be subject to the same use and disclosure restrictions contained in the 
Confidentiality and Non-Disclosure paragraphs in the Sales Contract.  
Applicable Patents 
U.S. Patent Numbers: TBD 
Canadian Patent Numbers: TBD  
Transportation Classification 
Itron classifies and ships model 2.4GZ OpenWay Gas Modules as a non-hazardous material. The proper shipping name is Lithium Batteries contain in Equipment, Class 9, UN3091, 
Packing Group II. 
The Federal Aviation Administration prohibits operating transmitters and receivers on all commercial aircraft. When powered, the 2.4GZ OpenWay Gas Module is considered an 
operating transmitter and receiver and cannot be shipped by air.  
Compliance Statement 
This device must be permanently mounted such that it retains a distance of 20 centimeters (7.9 inches) from all persons in order to comply with FCC and Industry Canada RF exposure 
levels. 
Industry Canada 
Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause 
undesired operation of the device. 
FCC 
This device complies with Part 15 of the FCC Rules. Operation of this device is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this 
device must accept any interference received, including interference that may cause undesired operation.  
Modification and Repairs 
To ensure FCC and Industry Canada compliance and system performance, this device and antenna shall not be changed or modified in any way without the express written approval of 
Itron, Inc. Any unauthorized modification will void the user’s authority to operate the equipment. 
Meter Installation/Removal 
In the event of malfunction, all repairs should be performed by Itron. It is the responsibility of users requiring service to report the need for service to Itron. 
Related Documents 
Endpoint-Link Programming Guide (TDC-XXXX) 
Trademark Notice 
OpenWay and Itron are both registered trademarks of Itron, Inc. All other product names and logos in this documentation are used for identification purposes only and may be 
trademarks or registered trademarks of their respective companies. 
Suggestions 
If you have comments or suggestions on how we may improve this documentation, send them to TechnicalCommunicationsManager@itron.com. 
Support 
If you have questions or comments about this application, contact Itron Technical Support: 
• Mail: Itron, Inc. Attention: Customer Care, 2111 N Molter Road, Liberty Lake, WA  99019 
• E-mail: support@itron.com 
• Phone: 1 800 635 8725 
•  
Web Support 
http://eKnowledge.itron.com 
Itron Website 
http://www.itron.com 
Document Revision 
The content of this publication was last edited on 6/6/2008. 

  2.4GZ OpenWay Gas Module Installation Guide  iii 
Chapter 1  Getting Started............................................................................................1 
Specifications ......................................................................................................................................1 
Meter Compatibility List.......................................................................................................................2 
Chapter 2  American Meter Installation .......................................................................7 
Installation Prerequisites .....................................................................................................................7 
Materials Supplied By Itron.......................................................................................................7 
Materials Supplied By You........................................................................................................7 
Replacement Screws......................................................................................................7 
Preinstallation Preparations......................................................................................................8 
Installing the 2.4GZ OpenWay Gas Module........................................................................................8 
Remove the Index.....................................................................................................................8 
Assemble the OpenWay Gas Module.....................................................................................11 
Program the OpenWay Gas Module.......................................................................................16 
Attach the OpenWay Gas Module to the Meter......................................................................20 
Waking Up the 2.4GZ OpenWay Gas Module........................................................................23 
Chapter 3  Sensus Meter Installation.........................................................................25 
Installation Prerequisites ...................................................................................................................25 
Materials Supplied By Itron.....................................................................................................25 
Materials Supplied By You......................................................................................................25 
Replacement Screws....................................................................................................25 
Preinstallation Preparations....................................................................................................26 
Installing the 2.4GZ OpenWay Gas Module......................................................................................26 
Remove the Index...................................................................................................................26 
Assemble the OpenWay Gas Module.....................................................................................28 
Program the OpenWay Gas Module.......................................................................................30 
Attach the OpenWay Gas Module to the Meter......................................................................31 
Waking Up the 2.4GZ OpenWay Gas Module........................................................................35 
Chapter 4  Actaris Meter Installation .........................................................................37 
Installation Prerequisites ...................................................................................................................37 
Materials Supplied By Itron.....................................................................................................37 
Materials Supplied By You......................................................................................................37 
Replacement Screws....................................................................................................38 
Preinstallation Preparations....................................................................................................38 
Installing the 2.4GZ OpenWay Gas Module......................................................................................38 
Remove the Index...................................................................................................................39 
Assemble the 2.4GZ OpenWay Gas Module..........................................................................40 
Program the OpenWay Gas Module.......................................................................................43 
Attach the 2.4GZ OpenWay Gas Module to the Meter...........................................................46 
Attaching the 2.4GZ OpenWay Gas Module to Flat-faced Model 1A Meters.........................48 
Waking Up the 2.4GZ OpenWay Gas Module........................................................................52 
Contents 

Contents 
iv    2.4GZ OpenWay Gas Module Installation Guide 

  2.4GZ OpenWay Gas Module Installation Guide  1 
The 2.4GZ OpenWay Gas Module is Itron's latest module. OpenWay Gas Modules are 
radio-frequency (RF) devices that transmit meter data. The 2.4GZ can be read by OpenWay 
CENTRON electric meters and is part of the Itron OpenWay solution for combo gas and 
electric utilities. 
This installation guide shows you how to install the 2.4GZ OpenWay Gas Module on 
meters from a variety of manufacturers. To ensure you have a meter that is compatible with 
the 2.4GZ OpenWay Gas Module, refer to the  Meter Compatibility List on page 2. 
An FCC or IC license is not required to read 2.4GZ OpenWay Gas Modules. 
Specifications 
The functional and operational specifications for the 2.4GZ OpenWay Gas Module are 
listed below.  
Functional Specifications  Description 
Power Source  Two "A" cell lithium batteries 
Tamper Detection  Tilt tamper and magnetic tamper 
FCC Compliance  Part 15 certified 
Industry Canada Compliance  RSS-210 certified 
Measurement Canada Approval  Pending 
Intrinsic Safety  UL Class I, Division 1, Groups C and D 
Product Identification  Numeric and barcoded and serial number 
Construction Materials  Gray polycarbonate back plate with Santoprene® 
gasket; clear polycarbonate front cover; encapsulated 
electronics 
Operational Specifications  Description 
Operating Temperatures  -40° to 158° F (-40° to +70° C) 
Operating Humidity  5 to 95percent relative humidity 
Frequency Band  2.4 to 2.475 GHz ISM band 
Modulation  Direct Sequence Spread Spectrum 
Data Integrity  Verified in every data message 
CHAPTER 1 
Getting Started 

Chapter 1  Getting Started 
2    2.4GZ OpenWay Gas Module Installation Guide 
Meter Compatibility List 
The following meters are compatible with the 2.4GZ OpenWay Gas Module. Due to 
continuous research, product improvements, and enhancements, Itron reserves the right to 
change this list at any time. 
To ensure you have the latest meter compatibility list available, contact your Itron 
representative. 
Mfgr.  Model   Desc.  Class   Comments   OpenWay 
Gas 
Module 
Part No.  
American/ Canadian  W75AL   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AL-175   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AC-175   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AT-175   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  ALC-175   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AT-210   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AL-225  Canada 
only  Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AL-250   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AR-250   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AC-250   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AT-250   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AM-250   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AL-310   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AL-350   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AT-350   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  AL-425   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 

 Meter Compatibility List
  2.4GZ OpenWay Gas Module Installation Guide  3 
American/ Canadian  AC-630   Residential Aluminum case 
meters only  2.4GZ OWG-5000-001 
American/ Canadian  5B 225   Residential Aluminum case 2.4GZ OWG-5000-001 
Sensus/Invensys/ 
Equimeter/ Rockwell  R-175 11 Tooth Residential Compatible with 
2 foot drive 
index; 1 foot 
drive has 24 teeth 
2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell  R-200 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell  RT-200 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell  RT-230 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell  R-275 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell  RT-275 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell  R-315 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell  250 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell 
310 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell 
S-110 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell 
S-200 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell 
S-175 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell 
RT-100  18 Tooth  Residential  24- or 30-tooth 
gears are not 
compatible  2.4GZ OWG-5000-004 
Sensus/Invensys/ 
Equimeter/ Rockwell 
S-190 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/ 
Invensys/ Equimeter/ 
Rockwell 
S-120 11 Tooth Residential 
 2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell 
T-120   11 Tooth  Residential   2.4GZ OWG-5000-002 
Sensus/Invensys/ 
Equimeter/ Rockwell 
T-110 11 Tooth Residential 
 2.4GZ OWG-5000-002 

Chapter 1  Getting Started 
4    2.4GZ OpenWay Gas Module Installation Guide 
Sensus/Invensys/ 
Equimeter/ Rockwell 
R-415 18 Tooth Residential Older meters 
may have 2.4GZ-
to-meter 
mounting hole 
variations that 
can make them 
incompatible 
2.4GZ OWG-5000-004 
Sensus/Invensys/ 
Equimeter/ Rockwell 
RT-360 18 Tooth Residential 
 2.4GZ OWG-5000-004 
Sensus/Invensys/ 
Equimeter/ Rockwell 
MR8  
(R-275 
Metric) 
16 Tooth  Residential   2.4GZ OWG-5000-003 
Sensus/Invensys/ 
Equimeter/ Rockwell 
MR12  
(R-415 
Metric) 
16 Tooth  Residential   2.4GZ OWG-5000-003 
Schlumberger/ Sprague  175  3 Hole 
index box  Residential  Index boxes with 
3 mounting holes  2.4GZ OWG-5000-005 
Schlumberger/ Sprague  175-WC  3 Hole 
index box  Residential  Index boxes with 
3 mounting holes  2.4GZ OWG-5000-005 
Schlumberger/ Sprague  175 
Combinatio
n 
3 Hole 
index box  Residential   2.4GZ OWG-5000-005 
Schlumberger/ Sprague  210   Residential   2.4GZ OWG-5000-005 
Schlumberger/ Sprague  240  Canadian 
version of 
250 
Residential   2.4GZ OWG-5000-005 
Schlumberger/ Sprague  240 
Combinatio
n 
 Residential   2.4GZ OWG-5000-005 
Schlumberger/ Sprague  240 
1 Hole 
cover flat 
face 
Residential Requires Itron 
1A Adapter P/N 
CFG-0015-
001Kit 
2.4GZ OWG-5000-005 
Schlumberger/ Sprague  240  2 Hole 
cover  Residential   2.4GZ OWG-5000-005 
Schlumberger/ Sprague  240   Residential   2.4GZ OWG-5000-005 
Schlumberger/ Sprague  250   Residential   2.4GZ OWG-5000-005 
Schlumberger/ Sprague  250-WC   Residential   2.4GZ OWG-5000-005 
Schlumberger/ Sprague  250 
Combinatio
n 
 Residential   2.4GZ OWG-5000-005 
Schlumberger/ Sprague  1A  Flat face  Residential  Requires Itron 
1A adapter kit, 
CFG-0015-001  2.4GZ OWG-5000-005 
Actaris/ Schlumberger  METRIS 
250 
3-hole 
index box  Residential   Index boxes with 
3 mounting holes 
Slant-faced 
2.4GZ OWG-5000-005 

 Meter Compatibility List
  2.4GZ OpenWay Gas Module Installation Guide  5 
Actaris/ Schlumberger  400   Residential   Slant-faced  2.4GZ OWG-5000-005 
Actaris/ Schlumberger  400A   Residential   Slant-faced  2.4GZ OWG-5000-005 
Actaris/ Schlumberger  675 
 Commercial Requires Actaris 
adapter p/n 
80005901; 
purchase from 
Actaris 
2.4GZ OWG-5000-005 
Actaris/ Schlumberger  800A 
 Commercial Requires Actaris 
adapter p/n 
80005901; 
purchase from 
Actaris 
2.4GZ OWG-5000-005 
Actaris/ Schlumberger  1000A 
 Commercial Requires Actaris 
adapter p/n 
80005901; 
purchase from 
Actaris 
2.4GZ OWG-5000-005 

Chapter 1  Getting Started 
6    2.4GZ OpenWay Gas Module Installation Guide 

  2.4GZ OpenWay Gas Module Installation Guide  7 
This chapter shows you how to install a 2.4GZ OpenWay Gas Module on an American 
meter. 
Before installing the 2.4GZ OpenWay Gas Module, verify that you have: 
• A compatible meter shown in the Meter Compatibility List. 
• A compatible index. Itron 2.4GZ OpenWay Gas Modules can be used with standard 
dial and direct read (odometer) indexes. 
• The list of materials defined under Installation Prerequisites in this chapter. 
Installation Prerequisites 
The following items are required to install the Itron 2.4GZ OpenWay Gas Module. 
Materials Supplied By Itron 
The following items are supplied by Itron: 
• 2.4GZ OpenWay Gas Modules 
• New tamper seals 
Materials Supplied By You 
You must supply the following items to install, initialize, and check the 2.4GZ OpenWay 
Gas Module on the meter. 
• Small and medium flat-blade or Phillips screwdrivers   Used to remove and tighten 
index and index-cover screws. 
• Side-cutting plier/wire snips   Used for cutting wire seals, if necessary. 
• Small putty knife   Used to remove all traces of old gaskets from the meter.  
• Meter seals, wire seals, and seal press   Used to secure the meter from tampering, if 
necessary. 
• 11/32-inch nut driver or other blunt tool   Used to securely seat new tamper plugs 
over screw holes.  
• Replacement screws   Used to mount 2.4GZ OpenWay Gas Module assembly to 
meter and index to module assembly backplates. 
Replacement Screws 
Replacement screws used in this procedure are shown below. 
CHAPTER 2 
American Meter Installation 

Chapter 2  American Meter Installation 
8    2.4GZ OpenWay Gas Module Installation Guide 
For mounting 2.4GZ OpenWay Gas Module assemblies on meters: 
• Use 1/4 - 20 x 5/8-inch slotted, Fillister head screws. 
For mounting indexes on 2.4GZ OpenWay Gas Module backplates: 
• Use 8 - 32 x 3/16-inch slotted, round head screws. 
Preinstallation Preparations 
Before installing the 2.4GZ OpenWay Gas Module on a meter, verify that:   
• All Itron gas modules are 2.4GZ OpenWay Gas Modules for your brand of gas 
meters.  
• The model numbers of all meters on which the 2.4GZ OpenWay Gas Modules will be 
installed are included in the Meter Compatibility List. 
Installing the 2.4GZ OpenWay Gas Module 
There are four major steps to installing the 2.4GZ OpenWay Gas Module on a meter: 
• Remove the index 
• Assemble the 2.4GZ OpenWay Gas Module 
• Program the 2.4GZ OpenWay Gas Module 
• Attach the 2.4GZ OpenWay Gas Module to the meter. 
 NOTE   Properly dispose of all unused screws, old index covers, gaskets, tamper 
seals, and other left-over materials. Do not leave any materials on customer 
premises.  
Remove the Index 
The first major step when installing a 2.4GZ OpenWay Gas Module on an American meter 
is to remove the index from the meter. 
To Remove the Index 
1. Remove any tamper seals from the meter.  

 Installing the 2.4GZ OpenWay Gas Module
  2.4GZ OpenWay Gas Module Installation Guide  9 
2. Detach the index cover from the meter by removing the four screws holding it in 
place.   
3. Examine the index cover screws you just removed. Verify that they are 5/8-inches 
long and are not corroded. 
• If the screws are the correct length, and are not corroded, keep them for later 
use.  
• If the screws are an incorrect length or are corroded, dispose of them properly. 
Use the screws listed in Replacement Screws on page 7. 
TIP   You can use the index cover you just removed as a temporary storage 
location for screws.  
4. Unscrew one index mounting screw completely.  
Hold one hand beneath the index to catch the screw when it falls out of the index 
assembly. If it does not fall out by itself, be sure to remove it.  
5. Unscrew the other index mounting screw.  

Chapter 2  American Meter Installation 
10    2.4GZ OpenWay Gas Module Installation Guide 
While removing this screw, pull the index away from the meter to keep its backplate 
(1) against the back of the screwhead (2). This prevents the screw from falling out 
prematurely.  
1
2
6. Remove the screw from the index once it is completely free of its hole.  
7. Set the index aside for the moment. Place it where it will not be damaged; get filled 
with dirt, rain, or snow; or fall to the ground or floor. The index will be used later in 
this procedure.  
8. Examine the index screws you just removed. Verify that they are 3/16-inch long and 
are not corroded.  
• If the screws are 3/16-inch long and are not corroded, keep them for later use.  
• If the screws are an incorrect length or are corroded, dispose of them properly. 
Use 8 - 32 x 3/16-inch screws as described in Replacement Screws on page 7 
instead.  
9. Use a putty knife or similar object to completely remove the old index gasket from the 
meter (if applicable). All traces of the gasket must be removed before the OpenWay 
Gas Module can be installed.  

 Installing the 2.4GZ OpenWay Gas Module
  2.4GZ OpenWay Gas Module Installation Guide  11 
Assemble the OpenWay Gas Module 
When installing a 2.4GZ OpenWay Gas Module, the next major step is to create the 
OpenWay Gas Module assembly by combining the module backplate and cover with the 
meter index. Follow the procedure below to do so. 
To Assemble the OpenWay Gas Module 
1. Obtain a new 2.4GZ OpenWay Gas Module. 
2. Separate the module backplate (1) from the cover (2).  
3. Set the new OpenWay Gas Module index cover aside for the moment. Place it where 
it will not be damaged; get filled with dirt, rain, or snow; or fall to the ground or floor. 
The index cover will be used later in this procedure.  
 IMPORTANT  Before continuing with the installation, note the following 
information about American Meter indexes:  

Chapter 2  American Meter Installation 
12    2.4GZ OpenWay Gas Module Installation Guide 
• Index wrigglers on one-foot meters have drive slots.  
• Index wrigglers on two-foot meters have drive posts.  
• An index may have mounting screw holes.  
• An index may have mounting screw slots.  
If the index has mounting screw slots, skip steps 4 and 5 below. Continue with step 6.  

 Installing the 2.4GZ OpenWay Gas Module
  2.4GZ OpenWay Gas Module Installation Guide  13 
If the index has mounting screw holes, perform steps 4 and 5 below, and then skip 
steps 6 and 7.  
4. If the index has mounting screw holes, place an index mounting screw (1) in the right-
hand mounting screw hole (2). Use one 8 - 32 3/16-inch screw for this step (you can 
use an original mounting screw if it was the correct size and not corroded; otherwise, 
use the correct size replacement screw).  
1
2 
5. Attach the screw to the OpenWay Gas Module backplate's right-hand index mounting 
post just far enough to hold the screw and end of the index in place.  
6. If the index has mounting screw slots, screw an index mounting screw (1) one to two 
turns into the OpenWay Gas Module backplate's right-hand index mounting post (2). 
Use one 8 - 32 x 3/16-inch screw for this step (you can use an original mounting 
screw if it was the correct size and not corroded; otherwise, use the correct size 
replacement screw).  

Chapter 2  American Meter Installation 
14    2.4GZ OpenWay Gas Module Installation Guide 
 2
1
7. Place the index mounting screw slot under the screw head. Do not tighten the screw 
yet.  
2
1
8. Attach the wriggler to the index and backplate.  
• If the index wriggler has a drive slot (1), place the backplate wriggler's drive 
post (2) in the index wriggler's drive slot.  
2
1