ACV BG 2000-S Serie Manual De Instalación, Utilización Y Mantenimiento página 9

DESCRIPTION - BURNERS
1. Burner flame holder
2. Ignition electrode
3. Gas valve
4. Venturi
5. Burner chamber plate seal
6. Burner chamber plate insulation
7. Ionisation electrode
8. Fan
FITTING THE BURNER
1. Remove the burner chamber plate.
2. Fit the BG 2000-S burner.
3. Insert the burner connector in the boiler socket.
4. Connect the gas to the burner, vent the air and test for gas leaks.
5. Start up the boiler.
SETTINGS
Burners Boilers
BG 2000-S / 25 Delta Perf. 25
BG 2000-S / 35 Delta Perf. 35
BG 2000-S / 35 Alfa Sprint S / SV
BG 2000-S / 45 Delta Perf. 45
BG 2000-S / 55 Delta Perf. 55
BG 2000-S / 60 HM 60 N
BG 2000-S / 70 HM 70 N
BG 2000-S / 100 HM 100 N
Note:
• The offset value is set at the factory.
• The burner can only be fitted to one of the boilers in the table above.
• The CO value given in the table above is valid only for natural gas; for propane, refer to the propane
2
conversion brochure.
(code: 662Y0100)
SETTING PROCEDURE IN CASE OF REPLACEMENT
FAN ROTATION SPEED
• Remove the green protective disk
• Remove the cover protecting the fan blades.
• Using a stroboscope (or any other suitable instrument) measure the rotation speed of the fan attached to the
motor shaft ; adjust the fan speed to the value given in the setting parameter table by turning
(3, illustration Q)
the potentiometer screw
(2, illustration O)
the adjustment to replace the protection.
GAS FLOW RATE
(illustration R)
• Measure burner combustion using an electronic flue gas analyser.
• Adjust the % CO to the value given in the setting parameter table by turning the gas flow adjustment screw
2
: anticlockwise for increased flow (rise in %CO
(1, illustration R)
1. Gas flow adjustement screw (CO
2. Pressure offset measurement.
3. Upstream gas pressure measurement.
4. Offset adjusting screw cover
(illustrations H / I / J / K)
9. Flame inspection window
10. Burner chamber plate
11. Burner plug
12. Potentiometer setting
13. Fan power plug
14. Gas supply
15. Relay
(illustrations L / M)
Output
kW CO
25,0 9,0
35,0 9,0
35,0 9,0
45,0 9,0
55,0 9,0
69,9 9,0
69,9 9,0
85,0 9,0
on the front of the fan.
(1, illustration N)
(illustration P)
(anticlockwise to reduce speed, clockwise to increase speed), after
), clockwise for decreased flow (tall in % CO
2
).
2
Warning!
To respect the parameters of the offset
adjustement mentioned again in the table
above.
% Offset
Rpm
mbar
2
-0,5 3000
-0,5 4150
-0,5 4150
0,0 3900
0,0 3450
0,0 4600
0,0 4600
0,0 4600
).
2
EN
3