Adjustments; Calibration Phases; Gas Type - 1; Boiler Power - Beretta EXCLUSIVE GREEN 25 CSI Installation And User Manual

15
.
The boiler has already been factory adjusted by the
manufacturer.
If a new adjustment is required, for example, after
extraordinary maintenance, replacing the gas valve or
converting from natural gas to LPG, proceed as follows.
Maximum and minimum power, minimum and
maximum heating, must be adjusted in the
indicated sequence by qualified staff.
- Pull the cover towards you and remove (A) (fig. 47)
- Loosen the two fixing screws (C) and remove the shell
(fig. 48)
- Lift up the panel and turn it forwards
- Loosen the pressure tap screw downline from the gas
valve by about two turns and connect the pressure
gauge to it
CALIBRATION & SERVICE operations must be
performed with the boiler in the OFF position. To do
this, press the
"- -" (fig. 49).
During parameter modification operations, the
"select functions" button acts as an ENTER
(confirm) button, the
button. If no confirmation is given within 10 seconds,
the value is discarded and returns to the previously
set one.
Setting the password
Press and hold down the operating mode button and the
button together for about 10 seconds. The display will
look like fig. 50.
Enter the password for accessing the parameter
modifications function by turning the domestic hot water
temperature selector to the required value.
The password is located on the back side of the control
panel.
Confirm by pressing ENTER.

Calibration phases

Turn the domestic hot water selector to sequentially scroll
the CALIBRATION & SERVICE phases:
- 1 gas type
- 2 boiler power (do not modify this parameter)
- 10 domestic hot water mode (do not modify this
parameter)
- 3 insulation level of building (only if external sensor
is connected)
- 45 inclination of thermoregulation curve (OTC), only if
external sensor is connected)
- 47 inclination of thermoregulation curve 2CH (OTC),
only if external sensor is connected)
- HP maximum ventilator speed (do not modify this
parameter)
- LP minimum ventilator speed (do not modify this
parameter)
- SP ignition speed (do not modify this parameter)
- HH boiler at maximum power
- LL boiler at minimum power
- MM ventila tor ignition speed (do no t modify this
parameter)
- 23 adjustment of maximum heating
- 24 adjustment of minimum heating (do not modify this
parameter)
The parameters 2 - 10 - HP - SP - LP - MM - 23 -
24 must be modified, by professionally qualified
personnel, only if absolutely necessary. The

ADJUSTMENTS

button until the display shows
button acts as an ESCAPE
manufacturer refuses any responsibility in the
case of incorrect setting of the parameters.

GAS TYPE - 1

Modify the set value as follows:
- press ENTER to access the parameter modification
function. When ENTER is pressed, the previously set
value starts flashing (fig. 41)
- turn the domestic hot water temperature selector to
change the value (1 MTN - 2 LPG)
- press ENTER to confirm the new value. The digits stop
flashing.
BOILER POWER (P. 2)
To modify the boiler power:
- select parameter 02
- press the ENTER button to access the parameter value
modification function.
As the ENTER button is pressed, the digits flash,
highlighting the previously set value
- turn the sanitary water temperature selector in order to
adjust the value to the desired number: 26 (25 kW) and
34 (35kW) for GREEN C.S.I.; 16 (16kW) and 34 (35kW)
for GREEN R.S.I.
- confirm the new value you have set by pressing
ENTER. The digits stop flashing.
It is absolutely forbidden to set different gas types
and/or boiler powers from those indicated on the
registration plate.
The manufacturer refuses any responsibility if the
2 parameters are set at different values compared
to those indicated on the registration plate.
A
Fig. 47
Fig. 49
ENTER
Fig. 50
28
B
C
Fig. 48
ESCAPE