Remove the control knob again, and rotate the split screw on the valve body
to
the left to increase
the flow rate,
to the right to reduce it
.
Re-install the knob to turn the burner off.
Re-install the valve cover and the control knobs by screwing in the appropriate
screws.
Caution: Make sure that there is a sufficient gap between the knobs and the front panel,
since it is necessary to fully depress the knob before rotating it when igniting the
burners.
The orifices size depends on the type of gas. The table below is provided for you to
determine which orifice should be used if the type of gas is changed.
3. F
UEL CONVERSION
L
LA
A C
CO
OR
RN
NU
UE
E
M
Ma
aiin
ntte
en
na
an
nc
ce
e M
Ma
an
nu
ua
all B
Brro
oc
ch
he
e F
Flla
am
mb
be
errg
ge
e
Page
3
3
Adjustment of the low settings
M
AINTENANCE
Adjustment of the burner lowest setting
Knob pin
Side view
Front view
a
b
b
Pressure Regulator
(behind cock cover)
Input rating
(BTU/hr)
Ø Orifices
(Inches / mm)
Orifices
Marking
Air inlet
(Inches / mm)
Natural gas 5" W.C.
Propane gas 11" W.C.
27.000
25.000
0.0984 / 2.50
0.0571 / 1.45
250
145
0.157 / 4
0.197 / 5
