Installation Guide

Terms and Definitions
42 900-0144-01-01 Rev B
Table 6 Terms and Definitions
Term Definition
EPO Emergency Power Off; a switching product used for emergency shutdown
GFDI Ground Fault Detector Interruptor; a safety device for PV systems
GND Ground; a permanent conductive connection to earth for safety reasons; also known as
Chassis Ground, Protective Earth, PE, Grounding Electrode Conductor, and GEC
Grid/Hybrid™ System technology which optimizes both grid-interactive and of
f
-grid options
Grid-interactive,
grid-intertie, grid-tie
Utility grid power is available for use and the inverter is a model capable of returning
(selling) electricity back to the utility grid
GSLC GS Load Center; the wiring box for the Radian (GS) inverter
HUB A line of OutBack communications manager products
IEC International Electrotechnical Commission; an international standards organization
MATE3 An OutBack system display, used
f
or monitoring, programming and communicating
with the inverter
NEU AC Neutral; also known as Common
Of
f
-grid
Utility grid power
is not
available for use
PV Photovoltaic
RELAY AUX Auxiliary connection that uses switch (relay) contacts to control external devices.
RTS Remote Temperature Sensor; accessory that measures battery temperature for charging
System display Remote interface device (such as the MATE3), used
f
or monitoring, programming and
communicating with the inverter; also called “remote system display”
Utility grid
T
he electrical service and infrastructure supported by the electrical or utility company;
also called “mains”, “utility service”, or “grid”