Sunny Island
Installation & Operating Instructions
BWRI33-12:EE
- 133 -
SMA Regelsysteme GmbH
„PARALL“ (3+9)
Parameter Unit
Min.
Max.
Default
Description
501_Cbat nom
Ah
100 10000
350
Nominal battery capacity of 10 hours (C10); always
enter the value stated by the manufacturer even if
the battery has already aged!
502_Bat Type
0
2
2
Battery type as stated by manufacturer
0: Gel
gel
1: Fleece
fleece
2: Lead-Acid
liquid electrolyte
503_Ubat nom
V
54
60
60
Nominal battery voltage. Normally 60 V have to be
set. For exceptions see chapter 11.3.
504_Ubat min
V
46
84
51
min. battery voltage permissible
505_Ubat max
V
51
84
84
max. battery voltage permissible
506_acid density
kg/l
1,1
1,35
1,28
Nominal acid density according to manufacturer
(only taken into account if inverter is started via
“New System“ or “New Battery“ (see chapter 6))
507_SOC ini
%
0
100
0
Initial discharge degree of battery (only taken into
acount if inverter is started via “New System“ or
“New Battery“ (see chapter 6))
If set to “0” the Sunny Island estimates the dis-
charge degree based on battery voltage.
508_Tbat Sense
0
1
1
Battery temperature sensor installed
0: Not installed
1: Installed
Automatically set to 1 in single-phase systems or
masters in three-phase systems; in all other cases
set to 0.
Can be set to 1 in slaves if temperature sensors
are additionally installed there.
509_Tbat max
degC 30
55
40
Maximum battery temperature permissible
511_Bat Fan
0
1
0
Battery room fan installed (only for lead-acid bat-
tery with liquid electrolyte)
0: Not installed
1: Installed
512_Acid Pump
0
1
0
Only for lead-acid battery with liquid electrolyte:
0: Not installed
Electrolyte circulation pump not
installed
1: Installed
Electrolyte circulation pump in-
stalled
By selecting “Installed“ the electrolyte circulation
pump is switched on depending on settings of pa-
rameters 513 to 516. Irrespective of battery values,
however, there is at least one circulation and 9 cir-
culations maximum per day.
