STORAGE MODE
Meter Storage Mode
All E-Series Ultrasonic Plus meters are shipped in Storage mode so that a meter alarm is not triggered. During Storage mode,
the empty pipe shows up on the LCD display as an error message, but it will not trigger a meter alarm. After sensing a full pipe
for 24 hours, the meter moves from Storage mode to normal operation.
If installed when the meter is still in Storage mode, the meter will function as expected with the addition of also displaying
“err” on the flow rate screen. The meter will display consumption and, if connected to an ORION Cellular LTE-M or LTE-MS
endpoint, will send a reading to the endpoint.
When the meter is in normal operation, the meter alarm displays immediately upon detecting an empty pipe condition. The
alarm clears immediately after the condition is corrected and the pipe is full. BEACON AMA is notified that an empty pipe
condition has occurred.
Integrated Valve Storage Mode
When shipped, the integrated valve on the E-Series Ultrasonic Plus meter is also in Storage mode to prevent valve actuation
and routine maintenance cycling prior to installation. See "Valve Routine Maintenance" on page 11. When the ORION Cellular
LTE-M or LTE-MS endpoint is activated after installation, the valve automatically transitions to Active mode.
METER INSTALLATION
The E-Series Ultrasonic Plus meter is permanently sealed to eliminate the intrusion of moisture, dirt, or other contaminants,
and is suitable for installation in harsh environments, including meter pits subject to continuous submergence.
Figure 1: E-Series Ultrasonic Plus with integrated valve
Outdoor Installations
When installed outdoors in a meter box, follow these guidelines:
• The E-Series Ultrasonic Plus meter should have a two- to three-inch clearance to avoid damage or strain to the
service piping or meter, and to accommodate any settling that may occur after installation.
• The service pipe in the meter box should be properly bedded to make sure it is not axially misaligned and that it lays
evenly on the bottom of the pipe trench. The backfill material covering the pipe should be placed appropriately to
maintain pipe alignment in the event of eventual ground shifts. This will prevent damage to the pipe.
• Protect the service lines and the water meter from freezing.
◊ The earth covering the service line must be adequate to prevent frost penetration. Due to the smaller volume of
water, service line pipes will freeze sooner than the main distribution line.
◊ The meter box pit should be excavated below the frost line. Even though the meter itself may be positioned
above the frost line, the warmer air rising from the earth below the frost line will reduce the possibility of freezing.
Storage Mode
Page 4 August 2020ESM-UM-02156-EN-02
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