Page 1
MTU Instruction
Page 1
for Landis & Gyr S4 Electric Meters
Purpose & Scope
This instruction provides a procedure for installing a STAR Type 9845 MTU in a Landis &
Gyr S4 Family Electric Meter.
Note: This procedure is intended for use by Landis & Gyr personnel in the manufacture
and initial assembly of these meters and is NOT intended for use in field retrofits.
Installation Procedure for S4 Family Meters
Parts Required
for MTU Installation into S4 Family Meters
Hexagram MTU – Type 9845
471-2025 - 5/8/2006
Page 2
MTU Instruction
Page 2
for Landis & Gyr S4 Electric Meters
Procedure
Step 1 – Guide the Type 9845 printed
circuit board assembly into the open S4
Family meter housing as shown in the
photo below. The two antennae must be
aligned with the corresponding cavities on
the sides of the housing
Step 2 – Close the housing as shown
here, aligning the faceplate with the
mounting posts on the body of the
housing.
Step 3 – Attach the faceplate to the body
of the housing by inserting and tightening
the required screws.
Page 3
MTU Instruction
Page 3
for Landis & Gyr S4 Electric Meters
Step 4 – Connect the MTU ribbon cable
to the connector on the S4 Meter
faceplate as shown below.
Step 5 – Connect additional wiring to the
faceplate as required for the specific
meter configuration.
Step 6 – Insert the faceplate label into the
tabbed slots on the faceplate.
Step 7 – Install the meter cover to
complete the meter assembly.
Page 4
MTU Instruction
Page 4
for Landis & Gyr S4 Electric Meters
The FCC wants you to know…..
This equipment has been tested and complies with Part 15 and Part 90 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference. This equipment generates, uses
and can radiate radio frequency energy, and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, try to correct the interference by one or more of the following measures:
• Reorient or relocate the equipment.
• Increase the separation distance between the affected equipment and receiver.
• Consult Hexagram, Inc. for help.
Any changes or modifications to this equipment not expressly approved by the Hexagram, Inc. could void
the authorization to operate the equipment.
FCC RF Exposure Guidelines
Hexagram’s low power RF devices and their antennas must be fixed-mounted on indoor or outdoor
permanent structure(s) providing a separation distance of at least 20 cm from all persons during norm al
operation. This device is not designed (and it has no external connection) to operate in conjunction with any
other antennas or transmitters. No other operating instructions for satisfying RF exposure compliance are
needed. This unit has no user or installer serviceable parts, and requires no field adjustment or calibration.
Units are sealed at the factory, and disruption of this seal could void the authorization to operate the
equipment.
Hexagram, Inc.
23905 Mercantile Road
Cleveland, OH 44122
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