Sunny Island 4500
Installation & Operating Instructions
BWRI45-13-EE0304
- 196 -
SMA Regelsysteme GmbH
„PARALL“ (3+9)
Parameter Unit
Min.
Max.
Default
Description
508_Tbat Sense
(A)
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
(A)
degC 30
55
40
Maximum battery temperature permissible
511_Bat Fan
(A)
0
1
0
Battery room fan installed (only for lead storage
battery with liquid electrolyte)
0: Not installed
1: Installed
512_Acid Pump
(A)
0
1
0
Only for lead storage 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.
513_Circ time
(A)
s
1
3600
300
Run time of electrolyte circulation (per circulation
process)
516_Circ Qd
(A)
%
0,1
50
10
Electrolyte circulation is triggered as soon as the
battery has been charged with the corresponding
ampere hours related to its capacity (cumulative).
518_tset full
(A)
d
1
180
14
Time period after which full charge is required.
519_tset equal
(A)
d
7
365
90
Time period after which equalizing charge is re-
quired.
520_U float
(A)
V
2,2
2,4
2,25
Float charge voltage per cell
527_tcharge
(A*)
min
1
600
90
Charging time for normal charge (for lead-acid bat-
teries, see also “502_Bat Type“)
528_tcharge full
(A*)
h
1
20
5
Charging time for full charge (for lead-acid batter-
ies, see also “502_Bat Type“)