1
20013756
GB
INDEX
1.
BURNER DESCRIPTION
Two stage progressive operation mode or fully modulating by regulator, available as accessory.
1.1
BURNER EQUIPMENT
Flange with insulating gasket . . . . No. 1
Screws and nuts for flange to be fixed to boiler . . No. 4
Screw and nut for flange . . . . . . . . No. 1
7 pin plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Hinge . . . . . . . . . . . . . . . . . . . . . . No. 1
4 pin plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Screw for fixing the cover . . . . . . . No. 1
6 pin plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Cable grommet . . . . . . . . . . . . . . . No. 1
M12 connector . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Pipe . . . . . . . . . . . . . . . . . . . . . . . No. 1
G1/8 union elbow . . . . . . . . . . . . . . . . . . . . . . . . No. 1
1.
BURNER DESCRIPTION . . . . . . . . . . . .
1
1.1
Burner equipment . . . . . . . . . . . . . . . . .
1
2.
TECHNICAL DATA . . . . . . . . . . . . . . . .
2
2.1
Technical data . . . . . . . . . . . . . . . . . . . .
2
2.2
Accessories . . . . . . . . . . . . . . . . . . . . . .
2
2.3
Overall dimensions . . . . . . . . . . . . . . . .
2
2.4
Firing rates. . . . . . . . . . . . . . . . . . . . . . .
3
3.
INSTALLATION . . . . . . . . . . . . . . . . . . .
5
3.1
Boiler fixing . . . . . . . . . . . . . . . . . . . . . .
5
3.2
Gas feeding line . . . . . . . . . . . . . . . . . . .
5
4.
ELECTRICAL WIRING . . . . . . . . . . . . .
7
4.1
Electrical system . . . . . . . . . . . . . . . . . .
7
4.2
Electrical connection . . . . . . . . . . . . . . .
8
4.3
Probe-electrode positioning . . . . . . . . . .
9
5.
BURNER SETTINGS . . . . . . . . . . . . . . .
9
5.1
Combustion head setting. . . . . . . . . . . . .
9
5.2
Setting of the air damper servomotor . . . 10
5.3
Commissioning . . . . . . . . . . . . . . . . . . . . 10
5.4
Combustion adjustment. . . . . . . . . . . . . . 11
5.5
Burner start-up . . . . . . . . . . . . . . . . . . . . 12
5.6
Min. air pressure switch . . . . . . . . . . . . . 12
5.7
Max. air pressure switch . . . . . . . . . . . . . 12
6.
MAINTENANCE . . . . . . . . . . . . . . . . . . . 12
7.
FAULTS / SOLUTIONS . . . . . . . . . . . . . . 13
The burner is approved for intermittent operation as per Directive EN 676.
The burner meets protection level of IP 40, EN 60529.
According to Directives: EMC 2014/30/UE, Low Voltage 2014/35/UE, Machines 2006/42/EC.
Gas train according to EN 676.
1
– Air damper servomotor
2
– Air-damper
3
– 6 pole socket for gas-train
4
– 7 pole socket for electrical
controls
5
– 4 pole socket for high-low power
6
– Power regulator of RWF 50
7
– Grommet
8
– Lock-out lamp and reset button
9
– Screw for fixing the cover
10
– Min. air pressure switch
11
– Max. air pressure switch
NOTE
The cable grommet (7) and the screw for fixing the cover (9) supplied with the burner, must be fitted to the
same side as the gas train.
1
7
2
6
8
D4021
Fig. 1
5
4
3
9
11
10