Beretta EXCLUSIVE GREEN HE 25 B.S.I. Installer And User Manual page 22

EXCLUSIVE BOILER GREEN HE B.S.I.
table 3
CO MAX
2
25 B.S.I.
35 B.S.I.
MINIMUM POWER ADJUSTMENT (P. LL)
- Select the parameter LL (with the boiler still OFF) and wait for the
boiler to come on.
- Check that the minimum CO
paragraph "Checking combustion parameters") corresponds with
the values indicated in table 4.
If the CO proves to be different from the values in the table, proceed
2
to adjust the parameter by turning the maximum power adjustment
screw after having unscrewed the protective cap (clockwise to in-
crease) until you obtain a value contained in table 4.
table 4
CO MIN
2
25 B.S.I.
35 B.S.I.
IGNITION SPEED (P. MM)
- Select parameter MM.
The boiler starts at the slow ignition speed.
- Turn the heating water selector to increase or decrease the fan
speed.
The boiler is supplied with the adjustments shown in the table. Said value can however be adjusted to installation requirements or to local
regulations on combusted gas emission restrictions, using the graphs given here below as a reference.
Exclusive Boiler Green HE 25 B.S.I.
190
180
170
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
2 4 6 8
Heating heat capacity (kW)
22
G20 G31
9 10
9 10
reading on the analyser (see
2
G20 G31
9,5 10
9,5 10
Heat capacity curve – emissions (Qnrisc)
10 12 14 16 18 20
MINIMUM HEATING ADJUSTMENT POSSIBILITY (P. 24)
- Select parameter 24
- Press the ENTER button to access the parameter value modifi ca-
tion function
%
- Turn the sanitary water selector to modify the minimum fan speed
% - Confi rm the value you have set by pressing ENTER.
ADJUSTABLE MAXIMUM HEATING (P. 23) - RANGE RATED
- Select parameter 23
- Press ENTER for access to changing the parameter value
- Turn the domestic hot water selector to change the maximum fan
speed, table 3
- Press ENTER to confi rm the set value.
This set value must be registered in the table on page 3 and used
as a reference for further controls and adjustments as well as for
combustion control.
Exit the CALIBRATION & SERVICE function by pressing ESCAPE.
The boiler returns to the "- -" (OFF) status.
To reset, press the
%
- Disconnect the pressure gauge and tighten the pressure tap screw.
%
After adjusting the gas valve, seal it with sealing wax.
After making adjustments:
- return the temperature set with the ambient thermostat to the
required position
- close the panel
- put back the shell.
22 24 26
Exclusive Boiler Green HE 35 B.S.I.
200
190
180
170
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
2 4 6 8
button.
10 12 14 16 18 20 22 24
Heating heat capacity (kW)
26 28 30 32 34 36