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PV Charge
1. With EPS output switch o,
the inverter charges the
battery only
2. With battery power o, PV
can wake up the battery
automatically
PV Charge+O-Grid
PV charges the battery and
powers the load
AC Charge
1. AC powers the battery from
AC Input (Grid) or Generator
Input (GEN)
2. When batteries reach low
threshold, charge bank with
Grid/GEN
PV+AC Charge
PV & AC charge the battery.
AC is from AC Input (Grid) or
Generator Input (GEN)
PV O-Grid
PV powers the load.
NOTE: Load power depends
on PV energy input and may
be unstable
11.1 RAPID SHUTDOWN (RSD)
The inverter includes a rapid shutdown system that complies with 2017 and 2020 NEC 690.12
requirements. A rapid shutdown switch should be connected to the RSD terminals on the master
inverter and mounted in a readily accessible location outdoors (check with the local AHJ for specific
requirements). For paralleled systems, the RSD needs only to connect to the master inverter. When the
switch is engaged, it will shut down all inverters in parallel past the master.
The system can utilize an External E-Stop Switch if the AHJ deems it necessary. When doing so, setting
28 must be set to Enable to engage the function.
Type of External E-Stop Switch for RSD Requirements:
The external switch must have normally closed contact type for emergency shutdown.
NOTE: When using supported EG4 batteries in closed-loop communications with the
inverter, the RSD also initiates ESS Disconnect as required by NEC code
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