DLS / DLS-C Series
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Cod.: 240.010.0042
3 GENERAL DESCRIPTION
3.1 DLS / DLS-C Hybrid Inverter
The DLS hybrid inverter (see Figure 00_A and 00_B) is a DC - AC solar inverter, designed for use in in-
door environments. It has been designed to be used in combination with PV panels and connected to the
electricity grid and a low voltage (LV) storage battery to optimize self-consumption. In the event of a tempo-
rary or permanent power outage, the DLS automatically enables the off-grid operation on the AC OUT port
supplying, with the backup energy, the part of the home system connected to it.
The DLS hybrid inverter (see Figure 00_C) is further able to be used to create an off-grid system in com-
bination with an auxiliary motor generator that can be automatically enabled by the inverter control system
itself (OPTIONAL).
The DLS hybrid inverter (see Figure 00_D and 00_E)can also be used in combination with an existing
photovoltaic system, the connection to the electricity grid and a low voltage storage battery (LV) to optimize
self-consumption and expand the total power of the existing photovoltaic eld.
For more information www.delios-srl.it.
All adjustment and control operations can be performed on the LCD (touch screen) located on the front of
the DLS.
3.2 Operating Modes
The DLS HV hybrid inverter can operate in different operating modes in order to meet the specic needs
of the user.
3.2.1 "SELF-CONSUMPTION" Mode
This operating mode is mainly indicated in installations with a low tariff for the energy fed into the network
and a high cost for the energy purchased from the distributor.
In the presence of sunshine, the energy from the photovoltaic eld is
used primarily to supply the domestic loads and secondly to charge
the battery. Further energy in excess is transferred to the network. If
the energy required by the loads is high and the available energy from
photovoltaic eld and battery is not enough, the missing part is drawn
from the network.
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