Picture 19 - Starting key. With lever outside, the key is open and the starting is easier; with lever inside the key
is closed for the normal working.
4.3 AIR INTAKE REGULATION
On every model the entrance of oxidising air inside the device is ruled by a valve controlled by a
lever placed below the fire door. The valve is closed in the right position while it is open in the left
position. For the regulation of this device see picture 20. If the device has the flue outlet on the
left side, the regulation of the lever is symmetrical (valve closed in left position, open in right
position).
Picture 20 - Air regulation fire door lever: the valve is open in correspondence of the position indicated with
letter A while it is closed in correspondence of the position indicated with letter B.
The open position is indicated when the device is working. It allows the entrance of the
combustive air necessary to feed the flame. The cooker or thermal cooker cannot work with the
lever in closed position.
In presence of a hood with high draught it could be useful to set the lever at an intermediate
position, in order to obtain a partial opening of the air conduct.
On models S-ST range there is a further regulation: the primary air regulator, placed on the front
part of the cooker, is ruled by a graduated hand gript that operates on the combustion speed. Low
values guarantee less power and more autonomy. High values guarantee more power and less
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