Switching Off For Short Periods; Switching Off For Long Periods - Beretta EXCLUSIVE GREEN 25 CSI Installation And User Manual

The bar segments light up (every 3°C) as the
temperature is increased. About 4 seconds
after the selection has been made, the
modification is memorised and the display
returns to the delivery temperature read by the
sensor.
Working the boiler
Adjust the ambient thermostat to the required tempe-
rature (approx. 20 °C).
If there is a demand for heating water, the boiler starts
and the symbol is shown on the display (fig. 23). The
boiler will remain working until the set temperatures
are reached, after which it will go on stand-by.
In the event of ignition or operating faults, the boiler
will perform a "safety stop".
The flame symbol will go out and the fault code and
will be displayed (fig. 24).
For a description of faults and how to reset them, consult
chapter "Troubleshooting".
Switching off

Switching off for short periods

For brief absences press the
boiler. The display will show two segments in the central
area (fig. 25). When the boiler remains powered with the
gas tap open, it is protected by the following systems:
- anti-freeze (fig. 26): when the temperature of the water
in the boiler falls below safety values, the circulator
and the burner work at minimum power to increase
the water temperature to a safe value (35 °C). The
symbol lights up on the display.
- circulator anti-block: one operating cycle is performed
every 24 hours.

Switching off for long periods

For prolonged absences press the
off the boiler (fig. 25).
The display will show two segments in the central area.
Turn the main switch to "off".
Turn off the gas tap under the boiler by turning it clockwise
(fig. 27).
In this case, the anti-freeze and anti-block systems
are disabled.
Empty the water circuit or suitably protect it with
a good make of anti-freeze.
GREEN C.S.I. only: Drain the domestic hot water
circuit.
button to switch off the
button to switch
Fig. 23
Fig. 24
Fig. 25
Fig. 26
tap
closed
Fig. 27
18