Sunways STH 3-8kW Series, User Manual

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* To realize the “Peakload Shifting” function, the load power that exceeded Pmax has to be within the
inverter max output power, otherwise, the inverter will only output the max power which allowed.
In this working mode, the inverter will use
the power from PV or grid (Set in the App)
to charge the battery until it is fully charged,
and as long as the grid is there, the battery
won' t discharge.
When the grid is cut off, power from PV and
battery will supply loads connected in the
back-up side (UPS).
Mode 3
×
PV
Inverter
Loads
Grid Battery
In this working mode, you can set charge/
discharge power and time in the App, invert-
er will use the power from PV or grid(whether
to use can be set in the App) to charge the
battery in the predetermined period.
Mode 4
PV
Inverter
Loads
Grid Battery
Inverter will use power from PV and battery
to supply loads in the predetermined period
and the insufficient part will be supplied by
the grid. PV
Inverter
Loads
Grid Battery
3 Product Introduction 3 Product Introduction
In the purely off-grid mode, power from PV
will supply the back-up loads first and then
charge the battery if there's surplus.
Mode 5
When the power from PV isn't enough, the
battery will discharge to supply back-up
loads together with PV.
No Grid
PV
Inverter
Loads
Battery
No Grid
PV
Inverter
Loads
Battery
3.1.6 Storage conditions 3.1.6 Storage conditions
① Inverter must be stored in its original packaging.
② The storage temperature should be in the range of -30 ° C and + 60 ° C, and the relative hu-
midity stored should be less than 90%.
③ If a batch of inverters needs to be stored, the height of each pile should be no more
than 6 levels.