G A S F L O W S E T T O E N 8 8
Inlet pressure range
Type of gas
Nominal
Max.
Min.
2H
20
25
17
2L
25
30
20
Outlet pressure tol10%...-15%
Pilot flame ignition
Press the control knob and rotate to Pilot .
Press the knob and ignite the pilot flame, keeping the knob fully
depressed for a few seconds (fig. 1).
Release the knob and check the pilot flame stays on, otherwise repeat the
ignition procedure.
Main burner ignition
Slightly depress the control knob and rotate to On (fig. 2).
When the automatic valve is powered, the gas flow to the main burner is
opened.
Valves with a step opening ignition device reach the maximum rate of
flow after approx. 10 seconds.
Pilot position
To keep the main burner off and the pilot flame on, slightly depress the
control knob and rotate to Pilot .
Shut-down
Slightly depress the control knob and rotate to Off (fig. 3).
CAUTION:
The re-start interlock device prevents the appliance from
re-igniting until the flame supervision device has interrupted the gas flow.
After this stage (i.e. when the magnet unit has closed) it is possible to re-
ignite the appliance.
fig. 1
A C T U A T I O N
fig. 2
fig. 3
CLASS D
Inlet pressure range
Type of gas
Nominal
Max.
Min.
2H
20
25
17
2L
25
30
20
Outlet pressure tol10%...-15%
CLASS C
6
8
10 12 14 16 18
0
Q = [m3/h d=0.6]
Pu [mbar]
2
4
6
8
10
12
14
2L
2H
6
8
10 12 14 16 18
0
Q = [m3/h d=0.6]
Pu [mbar]
2
4
6
8
10
12
14
2L
2H
