22 PERLA HP - ISSUE 02
FAS International S.p.A. - Via Lago di Vico, 60 - 36015 SCHIO (VI) Italy - tel. +39 0445 502011 – fax +39 0445 502010 - e-mail: info@fas.it
8.5 COFFEE UNIT, COFFEE UNIT PRESENCE CONTROL
Infusion chamber is driven by a gear motor (MRGC) through a joint.
Cams CRG - CPP set the working position of the unit during the coffee cycle, particularly:
• CRG = motor feeding
• CPP = motor stop in stand/dispensing position, start of infusion pump, opening solenoid valve coffee.
The functioning of the coffee unit is managed by a bottom (CPGC) that reads its presence in the support: if
the coffee unit is installed, it works properly otherwise the following functions are inhibited:
• Service function for the coffee unit feed
• Service function for rinsing cycle for coffee unit
• Service function for coffee grinding
• Service function for grinded coffee dosage
• Inhibition of all the selections for espresso coffee + instant