1.
BURNER DESCRIPTION
Gas burner with two stage progressive or modulating operation.
CE marking according to Gas Appliance Directive 2009/142/EC; PIN 0085BN0609.
According to Directives: Electromagnetic Compatibility 2004/108/EC, Low Voltage 2006/95/EC,
Machines 2006/42/EC.
The burner is approved for intermittent operation as per Directive EN 676.
The burner meets protection level of IP X0D (IP 40), EN 60529.
Gas train according to EN 676.
Fig. 1
D4428
1 – Flange with insulating gasket
2 – Blast tube
3 – Control box
4 – Reset button with lock-out lamp
5 – Air damper adjustment assembly
6 – Combustion head setting screw
7 – Air pressure switch
8 – Air pressure test point in combustion chamber
(to be connected to gas valve assembly)
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
Blue plastic tube . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
1.2 ACCESSORIES
• KIT (PC INTERFACE KIT): cod. 3002719
• OUTPUT POWER REGULATOR KIT
Under modulating operation, the burner automatically adapts to one of an infinite number of firing rates
between the low and high flame output position, thus ensuring stable operating conditions in terms of tem-
perature or pressure. Two components should be ordered
– Power regulator to install to the burner;
PARAMETER TO
BE REGULATED
–
Temperature
100...
Pressure
3134
1
12
(optional):
PROBE
Range
+
500 °C
0...2.5 bar
Output probe 4...20 mA
0...16 bar
Output probe 4...20 mA
2
4
8
3
11
10
9
9 – 4 pole socket for 2
connection
10 – 7 pole socket for burner supply
11 – 6 pole socket for gas train
12 – Air pressure test point (to be connected to gas
valve assembly)
13 – Operating mode switches for:
automatic / manual mode (AUT / MAN)
increase / decrease output (+/-)
G1/8 union elbow . . . . . . . . . . . . . . . . .No. 1
4 pin plug . . . . . . . . . . . . . . . . . . . . . .No. 1
7 pin plug . . . . . . . . . . . . . . . . . . . . . .No. 1
– Probe to install to the boiler.
Type
Code
PT 100
3010110
3010213
3010214
2
GB
5
nd
stage / modulating
REGULATOR
Type
Code
RWF40
3001078
6
13
7