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3) Replacement of pilot nozzle
(see fig. 6)
Proceed as follows:
- Slacken bicone nut "C".
- Remove pilot nozzle "D" and replace with a version
suited to the gas supply (see technical specifications)
- Diameter indications are marked on the main body of
the nozzle.
- After replacement, tighten the bicone nut "C".
fig. 6
D
WARNING: After each replacement or adjustment of
a component on the gas line, apply a drop
of paint to ensure protection against
tampering.
- After converting the appliance to a different type of
gas, always attach a label stating the new type of gas
to be used.
OPERATION CHECK
- Start up the appliance according to the operation
instructions.
- Ensure appliance sealing efficiency.
- Ensure extraction system efficiency
- Check for correct ignition and steady flame.
- All personnel must be familiar with instructions
contained in the present booklet on appliance
operation and maintenance, and must note in
particular all operation instructions.
C
EXAMPLE OF A DATA RATING PLATE
MODEL :
ENGLAND
GAS
CAT. II2H3+
mbar
∑ Qn
kW
Kg/h
V
Kw
MAINTENANCE
- The appliance is designed and constructed to redu-
ce maintenance requirements to a minimum.
However, we recommend that the user takes out a
service contract for appliance checks to be carried
out at least once a year by our service network, or by
a qualified gas appliance serviceman.
.
APPLIANCE SAFETY SYSTEMS
- SHUTOFF VALVE: valve with thermocouple to shut
off the gas supply to the main burner if the pilot flame
goes out. To restore operation, repeat the operations
for pilot flame ignition.
PART REPLACEMENT
- For all models, slacken the screws on the lower edge
of the control panel cover to remove for access to
parts requiring replacement.
1) Shutoff valve: All couplings are exposed. With
suitable tools, slacken gas inlet, outlet, pilot and
thermocouple connections. Replace valve and
reconnect the pilot burner and thermocouple.
2) Burner: To replace the burner, slacken the screw of
the nozzle holder and the two screws securing the
burner to the combustion chamber to remove the
burner from its seat. Remove the nozzle holder union
from the burner support bracket by slackening the
relative securing nut. Replace burner and reassemble.
3) Thermocouple: Slacken the securing nut connecting
the thermocouple to the pilot nozzle and remove the
thermocouple from its seat. Fit the new thermocouple
and reassemble.
4) Spark plug: To replace, disconnect the wire and
slacken the securing nut.
5) Water feeding hose: in case of replacement (for
models of the 900 range only) make sure that the hose
does not lean the combustion chamber.
0051
N° :
G30
G31
G20
28
30-37
m
3
/h
Hz
PRESET : G20 20 mbar
1
EN203-1
G25
20
/
TYPE :
GB
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