Sunny Island
Installation & Operating Instructions
BWRI33-12:EE
- 135 -
SMA Regelsysteme GmbH
„PARALL“ (3+9)
Parameter Unit
Min.
Max.
Default
Description
531_Ucharge full
V
2,25
2,7
2,5
Charging voltage for full charge per cell (for lead-
acid batteries, see also “502_Bat Type“)
The value should be reduced to 2,45 V in case an
electrolyte circulation pump is installed.
Please follow the instructions of the battery manu-
facturer.
532_Ucharge equal
V
2,25
2,7
2,45
Charging voltage for equalizing charge per cell (for
lead-acid batteries, see also “502_Bat Type“)
Please follow the instructions of the battery manu-
facturer.
533_Stdby t beg
h
0
23
0
Start of time period when the low battery load
mode is permitted (see also “535_Stat StopT“)
534_Stdby t end
h
0
23
0
End of time period when the low battery load mode
is permitted (see also “535_Stat StopT“)
535_State StopT
0
10
2
In case of deep-cycle discharge the device will
switch off to reduce strain on the battery, if no
charging current of a minimum of 1 A flows into the
battery for more than 5 minutes within the defined
time period (see also “533_Stdby t beg”,
„534_Stdby t end“).
The low battery load mode is always activated,
when one battery state lower is reached.
However from 6 am to 6 pm the Sunny Island at-
tempts to switch on every four hours.
Battery states when the low battery load mode is
activated:
0: L4
1: L3
2: L2
3: L1
4: N4
5: N3
6: N2
7: N1
8: O1
9: O2
10: O3
536_Fan on del
min
0
1440
1
Delay of switch-on for battery room fan
In order to use this setting, “511_Bat Fan” must be
set to “Installed“
