Beretta EXCLUSIVE MIX C.S.I. Manual Para La Instalación Y El Uso página 25

13
.
The boiler has already been factory adjusted by the
manufacturer.
For LPG gas: the boiler has been regulated in I3B/P
category (G30). If you need to regulate in I3+ or I3P
categories (G31) exclude pressure regulator.
If a new adjustment is required, for example, after
extraordinary maintenance, replacing the gas valve or
converting from natural gas to LPG, proceed as
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. 44)
- Loosen the two fixing screws (C) and remove the shell
(fig. 45)
- 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
- Carefully prise out the cap protecting the adjustment
screws with a screwdriver
- Disconnect the compensation inlet from the air
distribution box
CALIBRATION & SERVICE operations must be
performed with the boiler in the OFF position. To do
this, press the button until the display shows "- -
" (fig. 46).
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. 47.
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 (parameter not used in this phase)
- 10 domestic hot water mode (parameter not used in
this phase)
- 3 insulation level of building (only if external sensor
is connected)
- 45 inclination of thermoregulation curve (OTC), only if
external sensor is connected)
- HH boiler at maximum power
- LL boiler at minimum power
- 23 adjustment of maximum heating
- 24 adjustment of minimum heating
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)
ADJUSTMENTS
follows.
button acts as an ESCAPE
Fig. 43
2
3
1 Compensation cap
2 Pressure tap downline from the gas valve
3 Faston connectors
4 Safety cap
5 Maximum pressure adjusting nut
6 Minimum pressure adjusting nut
A
Fig. 44
Fig. 46
ENTER
Fig. 47
25
5
6
B
C
Fig. 45
ESCAPE
1
4