Liberty 114

Application

• Smart electricity single/twin element, seven terminal meter for use in installation with separate switched loads for space heating, hot water and 24hrs heating loads
• Smart replacement to tele-switched restricted heating meters.
• Dual fuel (electricity+gas) and single fuel (electricity only) domestic customers in both credit and PAYG modes
• Metering for small commercial premises including credit and PAYG modes
• Can support single tariff for all electricity load or separate tariffs for general and heating electricity (configurable)

Benefits

• Seven terminal meter with 100A switched output on fifth and seventh terminal, 31.5A switched output on sixth terminal
• Designed with the same physical terminal arrangement as a radio telemeter.
• Modular communication module allows multiple WAN and HAN options for different communications providers
• Simplicity in installation, single variant in installer van supports all possible installation scenarios.
• Option for retailer for wholesale cost optimization and reduction in energy prices: Boosting loads when excessive renewable generation
• Assists consumers in reducing energy consumption

Features

• Meets requirements of SMETS1
• Four-quadrant measurement with import/export registration (on primary element)
• Single element and twin element operation configurable
• Time of use/complex tariffs and maximum demand
• Remote operation of all auxiliary switches
• Option to override tariff schedule for configured duration as per weather forecast and to consume excess renewable generation
• Logging of multi par ameter load survey, billing data, events including power outage and abnormalities.
• Integrated contractor for main and switched outputs.
• GPRS communications.
• Communication hub acts as coordinator for ZigBee HAN and mirror/proxy for gas meter data.
• Credit and PAYG modes (meter maintains account and tariffs)
• Keypad to enable local entry of PAYG UTRN token if WAN not available
• Remote firmware upgrade