Initial Start-up SMA Solar Technology AG
58 SI5048-TB-TEN110340 Technical Description
– "New Battery" (if you wish to reset battery-specific parameters only. You cannot change
general parameters using "New Battery".
– "Emerg Charge" (if you would like to charge a deeply discharged battery using an
external source)
3. Use "New System" to set the following parameters:
– Device type (master, slave 1, slave 2, slave 3)
– Voltage/frequency type (230V_50Hz, 220V_60Hz), default setting: "230V_50Hz"
– System configuration (see table for setting options), default setting: "1Phase1"
–Date / Time
– Battery type (VRLA, FLA, NiCd), default setting: "VRLA"
– Nominal voltage of the battery (42 V - 52 V in 2-V steps for FLA and VRLA, 43.2 V to 48 V
in 1.2-V steps for NiCd), default setting: "48.0 V"
– Nominal capacity of the battery (100 Ah - 10000 Ah), default setting: "100 Ah"
– External power supply unit (PvOnly, Gen, Grid, GenGrid)
Systems with one Sunny Island
If only one Sunny Island is used in the system, the device type is permanently set to "master"
and is not displayed.
Displayed text Description
3Phase Three-phase system, 3 Sunny Island
1Phase1 Single-phase system, 1 Sunny Island
1Phase2 Single-phase system, 2 Sunny Island
1Phase3 Single-phase system, 3 Sunny Island
1Phase4 Single-phase system, 4 Sunny Island
MC-Box Setting for Multicluster operation
Battery types
VRLA: Valve Regulated Lead Acid
Closed lead acid batteries with immobilized electrolyte in gel or AGM (Absorbent Glass
Mat Separator) in all standard designs available on the market (grid plate, tubular plate,
small, large, AGM, gel, etc.)
FLA: Flooded Lead Acid
Closed lead acid batteries with liquid electrolyte in all standard designs available on the
market (grid plate, tubular plate, small, large, etc.)
NiCd: Nickel Cadmium
Sealed pocket-type plate or fiber plate nickel-cadmium batteries.
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