Terms and Definitions
42
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 off-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 for monitoring, programming and communicating
with the inverter
NEU
AC Neutral; also known as Common
Off-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 for monitoring, programming and
communicating with the inverter; also called “remote system display”
Utility grid
The electrical service and infrastructure supported by the electrical or utility company;
also called “mains”, “utility service”, or “grid”