6
DST2600 User’s Manual
A magnetic-thermal over-current breaker or security fuses on mains line are
mandatory and they are to the system installer care; the same for the generator lines in
the version provided without the internal over-current breaker.
Load wiring must be made on the most right contactors marked as
“KG” (a label “LOAD
LINE” is placed on the panel bottom). Connections have to be made in parallel to the wires
that connect
“KM” and “KG” contactors together.
Starting from left to right, terminals are the followings:
N (neutral)
L1
L2
L3
For single-phase systems, connect neutral to terminal N and phase to terminal L1.
REMARK: the wiring cross section to be used for generator power lines is
16mm
2
for 40kVA applications
DST2600 is equipped with a charge maintainer that has the purpose of supply the internal
logic and compensate the self discharge of the main engine battery. It is supplied from phase
L1 of the mains line; it is thus required that in three-phases system the neutral line is connected
in order to proper supply the battery maintainer.
A green LED, named “CHARGER ON”, quite in the middle of the interface board, signals that
it is properly working.
In stand-by mode it is able to supply to the battery about 650mA plus the current required to
supply the internal logic.
Even if the system is only a charge maintainer, it can charge the battery in constant current
mode up to a voltage of 13.5V.
