AIC N 280 FS, Руководство по установке и обслуживанию

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I-42
B-070343_EN • B
P
roduct
I
nstallatIon
Adjustment of Fan Speeds
Conditions:
Adjustment Procedure (Fig. 23)
1. Press the On/Off switch located on the right
side of the boiler.
If starting the boiler for the first time after
installation, the controller will open the
commissioning screen automatically.
2. Perform the commissioning setting of the boil-
er (refer to “Start-up and Combustion Ad-
justments” on page I-53) .
3. Control the gas pressure and consumption at
appliance start up.
4. Press the ESC (
3
) button.
5. Press the OK (
2
) button.
6. Press the Info (
1
) button for more than 3 sec-
onds. The access levels are displayed.
7. Rotating the selection knob (
4
), go to:
î
“ Engineer ”. Press OK (
2
) to confirm.
î
“ Burner Control ”. Press OK (
2
) to confirm.
î
“ Required speed ignition ” (Program num-
ber 9512 ).
8. Press OK (
2
) to modify the value. The value
starts flashing (
5
).
i
9. Rotating the knob (
4
), adjust the ignition fan
speed for the gas type and boiler type accord-
ing to the table below.
10. Press OK (
2
) to confirm and save the value.
11. Rotating the knob, go to “ Required speed
LF ” (Program number 9524 ).
12. Press OK (
2
) to modify the value. The value
starts flashing (
5
).
13. Rotating the knob (
4
), adjust the minimum fan
speed for the gas type and boiler type according
to the table shown at the bottom of the page.
14. Press OK (
2
) to confirm and save the value.
15. Rotating the knob (
4
), go to “ Required speed
HF ” (Program number 9529 ).
16. Press OK (
2
) to modify the value. The value
starts flashing (
5
).
17. Rotating the knob (
4
), adjust the nominal fan
speed for the gas type and boiler type accord-
ing to the table below.
18. Press OK (
2
) to confirm and save the value.
19. Press ESC (
3
) to exit the settings.
Follow-on Task(s)
î
Perform the combustion adjustment. See
“Combustion Adjustment for Gas Conver-
sion” on page I-43.
Fan Speeds N 280 FS N 420 FS N 570 FS N 840 FS
Gas Type Ign. Min Max. Ign. Min Max. Ign. Min Max. Ign. Min Max.
G20 rpm 1700 880 5530 1700 730 4350 1300 780 4150 1700 800 5630
G25 rpm 1700 1250 5530 1700 730 4350 1300 880 4150 1700 800 5630
G31 (30/37 mbar)
rpm 1700 1500 5070 1700 1210 4290 1200 1100 3910 1700 1470 5360
G31 (50 mbar) rpm 1500 1500 5070 1550 1210 4290 1100 1100 3910 1600 1470 5360
Fig. 23. Fan Speed Adjustment - Typical Screen
0 4 8 12 16 20 24
OK ESC
1
3
2
4
5
Burner Control
Required speed LF