0%
10%
25%
100%
Solar Tree
Working
Solar Tree has been designed to work in HYBRID
configuration. The batteries can ensure an autono-
mous working at full charge for a period of 7-10
days (with an “Energy-saving” working cycle which
is described below). Moreover, in case of discharged
batteries, the fixture is connected to the mains,
which supplies it with energy (by means of a suitable
DC ballast connected to the mains). In this way
it can ensure a continuous working even with persis-
tent bad weather and/or reduced insulation or 100%
use of the light performances or, anyway, in case
of negative energy balance.
LED light sources light up in the twilight (recognized
according to the hours of dawn and sunset which
have been set in the management program
or according to other modes) and they remain lit up
until dawn according to the working duty-cycle set.
In case of “HYBRID” fixtures, the system uses
the energy coming from the batteries until they
reach the minimum charge limit, then the system
is connected to the mains automatically.
In case of light fixtures with this configuration,
if the connection to the mains takes place at the
same time when the public lighting, which the
Solar tree fixtures refer to, lights up, it is possible
to set them so as that the moment of the mains
connection is recognized as start for the Solar tree work-
ing, and vice-versa in case of mains cut-off.
Working programs
Two working modes can be selected according to
the needs: Manual and Automatic. Automatic mode
can be set with three different configurations accor-
ding to the performance and level of energy-saving
desired for the light fixture. In particular:
Auto Eco
100% working in the hours when the installation
areas are expected to be used more often, reduced
working of the only LED heads during the hours
of full night (the LED light sources are switched
on and adjusted at about 25% of their working
rating from sunset to dawn in order to ensure
a mean floor lighting of 8 lux). This mode is
recommended to obtain a continuous working
even during autumn/winter and to maintain
energy balance.
Auto 100%
Working mode to ensure the complete management
of the fixture by considering its performances
with respect to a higher input of solar energy
(if this condition occurs).
Personalizzato
The user can establish the hours and the working
configuration of the fixture according to his needs.
The three above-mentioned configurations can
be associated to a particular period and they
can alternate one another, if desired.
Manual
Can be enabled by the user in case of particular
events and/or needs. The user can access the
advanced adjustment menu for a 0-100% slicing
of the flow emitted by the single LED heads and
by the “stem” units. In this way the sources remain
lit up and adjusted according to the configuration
set by the user until switching off or return
to automatic mode controlled by the user.
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