Ariston 7HPC 631/HA Operating Instructions Manual - Page 4
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There is an adjustable L-shaped pipe fitting on the
GB
appliance supply ramp and this is fitted with a seal in
order to prevent leaks. The seal must always be replaced
after rotating the pipe fitting (seal provided with
appliance). The gas supply pipe fitting is a threaded 1/2
gas cylindrical male attachment.
Connecting a flexible jointless stainless steel pipe to a
threaded attachment
The gas supply pipe fitting is a threaded 1/2 gas cylindrical
male attachment.
These pipes must be installed so that they are never
longer than 2000 mm when fully extended. Once
connection has been carried out, make sure that the
flexible metal pipe does not touch any moving parts and
is not compressed.
! Only use pipes and seals that comply with current
national regulations.
Checking the tightness of the connection
! When the installation process is complete, check the
pipe fittings for leaks using a soapy solution. Never use a
flame.
Adapting to different types of gas
To adapt the hob to a different type of gas other than
default type (indicated on the rating plate at the base of
the hob or on the packaging), the burner nozzles should
be replaced as follows:
1. Remove the hob grids and slide the burners off their
seats.
2. Unscrew the nozzles using a 7 mm socket spanner,
and replace them with nozzles for the new type of gas
(see table 1 "Burner and nozzle characteristics").
3. Reassemble the parts following the above procedure in
the reverse order.
4. Once this procedure is finished, replace the old rating
sticker with one indicating the new type of gas used.
Sticker are available from any of our Service Centres.
Replacing the Triple ring burner nozzles
1. Remove the pan supports and lift the burners out of
their housing. The burner consists of two separate parts
(see pictures).
2. Unscrew the nozzles using a 7 mm socket spanner.
Replace the nozzles with models that are configured
for use with the new type of gas (see Table 1). The two
nozzles have the same hole diameter.
3. Replace all the components by completing the above
operations in reverse order.
4
• Adjusting the burners' primary air :
Does not require adjusting.
• Setting the burners to minimum:
1. Turn the tap to the low flame position.
2. Remove the knob and adjust
the adjustment screw, which is
positioned in or next to the tap
pin, until the flame is small but
steady.
3. Having adjusted the flame to the required low setting,
while the burner is alight, quickly change the position of
the knob from minimum to maximum and vice versa
several times, checking that the flame does not go out.
4. Some appliances have a safety device (thermocouple)
fitted. If the device fails to work when the burners are
set to the low flame setting, increase this low flame
setting using the adjusting screw.
5. Once the adjustment has been made, replace the seals
on the by-passes using sealing wax or a similar
substance.
! If the appliance is connected to liquid gas, the regulation
screw must be fastened as tightly as possible.
! Once this procedure is finished, replace the old rating
sticker with one indicating the new type of gas used.
Stickers are available from any of our Service Centres.
! Should the gas pressure used be different (or vary
slightly) from the recommended pressure, a suitable
pressure regulator must be fitted to the inlet pipe (in order
to comply with current national regulations).