How it works
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      Puff - Steam production

      Steam production

      All appliances are equipped with the S1 solenoid valve that enters softened water, through a nozzle, in the center of the fan to develop steam directly in the cooking cabinet

      A) The S1 solenoid valve has always an additional direct outlet on which the water pressure switch is installed.

      S1 is controlled by output O35 of the relays board



      B) On the output of the S1 valve a flow regulator must always be installed;

      It must be inserted into the valve as per picture.
      C) The PA pressure switch is connected to the body of the S1 solenoid valve to detect the water pressure that must have at least the pressure of 50KPa; a pressure of between 200 and 500 KPa is recommended for proper operation.

      The PA pressure switch, if water supply is present, closes the inputs I11 – I12 of the relay board.

      If, during a cooking using moisture, there is a lack of pressure in the supply line the message A04 is immediately displayed; the message remains until the pressure is restored and suspends the cooking in progress.

      In the lack of water, dry cooking without humidity can be used as long as there is no need of solenoids activation.
      D) Nozzle on the fan; this nozzle lets water reach the center of the fan and it is important to keep it clean trough an adequate water softening system.

       
      E) The SC temperature probe, located in the chamber next to the fan, measures the air temperature. It’s protected by a small screen to be able to detect the real temperature of the air that recirculate in the cooking chamber
       
      F) The SD temperature probe, located in the drainpipe, measures the temperature in the drain system to calculate the cavity saturation