Important
Before making any type of adjustment, activa-
te all the safety devices provided and decide
whether staff at work and those in the vicinity
should be informed.
In particular, turn off the gas supply tap and
prevent access to all devices which might cau-
se unexpected health and safety hazards if
turned on.
ADJUSTING GAS CONTROL VALVE MINIMUM SETTING (PLATE)
To carry out this operation, proceed as follows.
Natural gas
Turn off the gas supply tap.
1)
Pull off the knob (A).
2)
Undo the screws (C) and remove the control
3)
panel (B).
Undo the screw (D) of the pressure connec-
4)
tion.
Connect the pressure gauge (E) to the pres-
5)
GB
sure test point (F).
Turn the gas supply tap back on.
6)
Light the burner and turn the knob to the
7)
minimum fl ame setting.
Fit the minimum fl ow injector (G), screwing it
8)
fully down.
Slowly unscrew the injector (G) until the pres-
9)
sure reading complies with the values in the
table (see back of manual).
Check the stability of the fl ame.
10)
After making the setting, seal the screw with
11)
paint.
Switch off the burner, turn off the gas supply
12)
tap and disconnect the pressure gauge.
Replace the control panel (B) and the knobs
13)
(A) on completion of the operation.
3320110_inst_GB_rev.1
ADJUSTMENTS
INSTRUCTIONS AND WARNING FOR ADJUSTMENTS
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 18).
Caution - Warning
Adjustments must be carried out by authori-
sed, qualifi ed staff , in accordance with the re-
levant legal requirements.
A
B
Liquid gas
Turn off the gas supply tap.
1)
Pull off the knob (A).
2)
Undo the screws (C) Undo the screws (B).
3)
Remove the injector (G) , and replace it with the
4)
one suitable for the type of gas in use (see table
at back of manual) and Fully tighten the screw.
After making the setting, seal the screw with
5)
paint.
Replace the control panel (B) and the knobs
6)
(A) on completion of the operation.
- 14 -
E
F
G
C
C
D
ENGLISH