User's Manual

Chapter 2 American Meter Installation
6 2.4GZ OpenWay Gas Module Installation Guide
Replacement Screws
Replacement screws used in this procedure must be slotted, zinc-plated, steel machine
screws. Sizing options are shown below.
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 OpenWay Gas Modules are type 2.4GZ modules for your brand of gas meters.
• The model numbers of all meters on which the OpenWay Gas Modules will be
installed are included in the Meter Compatibility List on page 2.
Installing the 2.4GZ OpenWay Gas Module on an American
Meter
There are four major steps to installing the 2.4GZ OpenWay Gas Module on a meter:
• Remove the Existing Index
• Assemble the OpenWay Gas Module
• Program the OpenWay Gas Module
• Attach the OpenWay Gas Module to the meter
These procedures are described in the following sections.
NOTE Be sure to properly dispose of all unused screws, old index covers,
gaskets, and other left-over materials. Do not leave any materials on customer
premises.
Remove the Existing Index
The first major step when installing a 2.4GZ OpenWay Gas Module on an American meter
is to remove the existing index from the meter.
To Remove the Existing Index
1. Remove any tamper seals from the meter.