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26 - INSTALLATION 91477A384/A
issue a certificate of conformity.
Adaptation to different types of gas
In case of operation with other types of gas, the
burner nozzles must be changed and the
minimum flame adjusted on the gas cocks.
Replacing nozzles
A = External nozzle, B = Internal nozzle.
1. Remove the pan supports, burner caps and
flame-spreader crowns to access the burner
cups.
2. Replace the nozzles using a 7-mm wrench
according to the type of gas to be used (see
the “Burner and nozzle characteristics
table”).
3. Replace the burners in their respective
housings.
Adjusting the minimum setting for natural gas
Light the burner and turn it to the minimum
position. Extract the gas cock knob and turn the
adjustment screw next to the gas cock spindle
(depending on the model) until the correct
minimum flame is achieved.
Refit the knob and verify that the burner flame is
stable. Turn the knob rapidly from the maximum
to the minimum setting: The flame should not go
out. Repeat the operation on all gas cocks.
Adjusting the minimum setting for LPG
Tighten the screw located at the side of the cock
spindle clockwise all the way.
Lubricating the gas cocks
Over time the gas cocks may become difficult to
turn and get blocked. Clean them internally and
replace the lubrication grease.
Gas connection extension
1. Unscrew the screw A at the back of the
appliance below the gas connector.
The maximum height of the highest point
of the pan support with respect to the
surface that supports the appliance is 12
mm.
Following adjustment to a gas other
than the one originally set in the factory,
replace the gas setting label on the
appliance with the one corresponding
to the new gas. The label is inserted
inside the nozzle pack (where present).
Lubrication of the gas cocks should be
performed by a specialised technician.
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