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3269850_inst_GB_rev.2
ENGLISH
GB
ADJUSTING GAS VALVE (0*1FR3G - 1*1FR4G)
ADJUSTING BURNER PRIMARY AIR (0*1FR1G - 1*1FR2G)
Important
This adjustment is only required if the type
of gas to be connected is diff erent from that
used for testing after the conversion proce-
dure has been carried out (see page 12).
Before making this adjustment, check that
the gas supply pressure is the same as the ra-
ted pressure for the type of gas in use (see ta-
ble at back of manual).
Carry out this operation as described on both the
gas solenoid valves.
Natural gas
1)
Turn off the gas supply tap.
2)
Open the hatch
(A)
.
3)
Undo the screw
(B)
of the pressure connec-
tion.
4)
Connect the pressure gauge
(C)
to the pres-
sure test poin.
5)
Unscrew the cap
(D)
.
6)
Turn the gas supply tap back on.
7)
Light the burner and turn the screw
(E)
until
the pressure gauge shows the pressure recom-
mended in the table of injectors at the back of
the manual.
8)
Check the stability of the fl ame.
After making the setting, seal the screw with
paint.
9)
Turn off the burner, disconnect the pressure
gauge and restore the initial conditions after
completing the operation.
A
C
B
D E
Liquid gas
1)
Turn off the gas supply tap.
2)
Open the hatch
(A)
.
3)
Unscrew the cap
(D)
.
4)
Fully screw the adjusting screw
(E)
.
After making the setting, seal the screw with
paint.
5)
Restore the initial conditions after completing
the operation.
To carry out this operation, proceed as follows.
1)
Turn off the gas supply tap.
2)
Open the hatch
(A)
.
3)
Undo the locking screw
(B)
.
4)
Set the bush
(C)
at the distance as shown in
the fi gure.
5)
Tighten the screw
(B)
.
After making the setting, seal the screw with
paint.
6)
Close the door
(A)
when the operation is
complete.
A
