SMA Sunny Island 4248U, Инструкция по установке и эксплуатации

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SI4248U Manual Installation Manual
57
LoadShedding Off,
On,
Auto
Off The LoadShedding parameter selects the operating
mode of the load shedding relay.
Select
Off
when the load shedding option is not
being used or to manually switch the load shedding
relay to the off position.
Select
On
to manually switch the load shedding
relay to the on position.
Select
Auto
to allow automatic control of the load
shedding relay by the Sunny Island. Loads are shed
when SOCLim2 is reached.
GenRequest Off/
On/
Auto
Auto The GenRequest parameter manually toggles the
generator request relay. This is intended to be used
for testing purposes to confirm operation of the gen-
erator start circuit.
Select
Off
when no generator is present or to manu-
ally switch the generator relay off.
Select
On
to manually switch the generator relay to
the on position.
Select
Auto
to allow automatic control of the gener-
ator request relay by the Sunny Island 4248U.
SunnyBoys No/
Yes
No The Sunny Boys parameter is used when the Sunny
Island 4248U will be connected to Sunny Boy
inverters in the same system.
Select
No
when there are no Sunny Boy inverters in
the system.
Select
Yes
when there are Sunny Boy inverters used
in the same system with the Sunny Island 4248U.
(
NOTE:
When Sunny Boys are used in off-grid sys-
tems, there are parameters in the Sunny Boy invert-
ers that must also be set. See the
Sunny Boy
paragraph in this manual for more information.)
Name
Range/
Unit
Default Description