Studer AJ Serie Manual De Usuario página 11

STUDER Innotec SA
12V 24V 48V
10.5 21 42
11V 22V 44
11.4 22.8 45.6
11.6 23.2 46.4
11.8 23.6 47.2
12 24 48
12.2 24.4 48.8
This strategy will of course restrict the use of the
battery and drive the user to reduce his
consumption or to increase the production (by
an additional charger connected to a backup
generator for instance).
When the battery voltage is higher than
1.08*Unom (13 V, 16 V, 52 V) during 2 hours, the
LVD is progressively stepped down by a
decrement of 33 mV/cell (0.4 V @ 12 V). This
process insures that the average charge of the
battery is sufficient (over 50 %) to assure its
optimized lifetime.
This function is particularly useful in solar home
systems where the battery is sized in 3-5 times
the daily average production. For instance a
200 W solar system producing 800 Wh/day
connected to a 200-300 Ah / 12 V battery.
If the battery is sized so as to be fully discharged
and charged every day, it may be possible that
the restriction of use implied by the permanent
increase of LVD is not wished. We recommend
then to deactivate the
Optimizer.
Maintenance
The inverters of the AJ series do not need any
special maintenance. The casing may be
cleaned with a damp cloth (not wet).
In the case of malfunction or mechanical
deformation, the inverter should be sent back
to the manufacturer for control carefully
packed in its original packing.
LED Comments
This is also the
0 x
LVD level when
(ON
BLO
)
deactivated
1 x
-
off
2 x Level at BLO
off activation
3 x
-
off
4 x
-
off
5 x
-
off
6 x
-
off
Battery Lifetime
Before deciding to send back the inverter,
check the following points:
 The
is
accordance to the nominal input
voltage of the inverter.
 The consumer devices do not have any
defect or overload for the inverter (to
make sure, disconnect them).
Should you contact your salesperson, note the
following points before calling:
(You will find this information on the label
underneath the inverter or at the cable side)
 Exact model
 Serial number
 Power of the inverter
 Nominal input voltage of the inverter
In case the inverter should not be sent back in
its original packaging, it should be packed in a
stiff carton box and be well protected on all
sides by means of an anti-shock and isolating
layer of min. 5 cm thickness. A weak protection
may cause damages to the inverter during
transport and are not covered by the warranty.
V3.01
battery is loaded
AJ
and is in
10