1.7.1 IGNITION BURNER HEAT INPUT-
Model
Natural
(I
2
H)
Propane
(I
3
P)
kW (net)
Btu/hr
(gross)
kW (net)
Btu/hr
(gross)
G3203,
G3206.
0.3
1126
0.31
1164
0.3
1126
0.31
1164
1.8 INJECTOR SIZE-
1.8.1Natural
(I
2
H)
Model
Pilot Burner
Main Burner
G3203 Pasta boiler
NG No. 51
2 x Ø2.38mm
G3206 Pasta boiler
NG No. 51
2 x Ø3.2mm
1.8.2 Propane (I
3
P)
Model
Pilot Burner
Main Burner
G3203 Pasta boiler
LP No 35
2 xØ1.57mm
G3206 Pasta boiler
LP No 35
2 xØ2.15mm
1.8.3 Cross-Lighting Burners
Natural
(I
2
H)
Propane
(I
3
P)
NG No.N26
LP No 16.
1.9 GAS PRESSURE ADJUSTMENT
1.9.1 Supply Pressures
A pressure test point is fitted on the burner manifold and the operating pressure is shown in the tables
below.
An adjustable governor is included in the multifunctional control on Natural Gas models.
(Refer to Sections
2.6.1 setting the gas pressure and 3.7multifunctional control)
Supply Pressure
Gas type
mbar
inches w.g
Natural Gas
(I
2
H)
20
8
Propane Gas
(I
3
P)
37
14.8
1.9.2 All Models Burner Pressure
Gas type
mbar
inches w.g
Natural Gas
(I
2
H)
15
6
Propane Gas
(I
3
P)
34.5
13.8
1.10 BURNER ADJUSTMENTS
1.10.1 Pilot
An adjustment screw is located on the multifunctional control to regulate pilot flame. Adjust pilot
screw to provide a flame approximately ¾" long, projecting from each pilot burner channel. A flame larger
than this will roar excessively.
Main Burner
The burners have fixed aeration inlet and injector orifices. NO ADJUSTMENT IS AVAILABLE.
