Installation Manual

Series
Series 1000 and Series 2000 Installation Manual
Leviton Manufacturing Co., Inc. 10
2.3 Display Specifications
2.3.1 General Display Information
Series 1000 and 2000 meters are available with or without a demand feature. Meter models
without the demand option display only total active energy, measured in kilowatt-hours (1 kWh
resolution, non-resettable). The liquid crystal display (LCD) tests all LCD segments by
simultaneously activating them for 1 second every 18 seconds. The test is used to determine if an
LCD segment isn’t working, in which case the displayed values would appear incorrectly. For
meters with the demand option, three quantities are displayed one at a time, for six seconds each,
as follows:
 Total Active Energy, in kWh (1 kWh resolution, cumulative, non-resettable)
 Instantaneous Demand, in Kilowatts (last 5 minute average, 1/100 kW resolution)
 Peak Demand: Kilowatts (15 minute rolling demand interval, 1/100 kW resolution)
A dot in the LCD aligns with an arrow on the display label to differentiate between instantaneous
and peak demand. After displaying peak demand and before displaying total energy, the meter
tests the LCD by activating all segments simultaneously for one second.
2.3.2 Resetting the Peak Demand
The stored peak demand is reset using the key switch. A demand reset command will only be
recognized during the period when the peak demand is displayed on the LCD. In order to reset the
demand, a pulse must be generated by turning the key switch from locked position (arrow up) to
the right and then back to the original position. This back and forth transition triggers a demand
reset. The maximum transition period is one second. Multiple key switch transitions during the
peak demand display interval may be required to reset peak demand.