1
1INTRODUCTION : INSTRUCTIONS AND RECOMMENDATIONS..........................2
1.1 Installation instructions ........................................................................................2
1.2 Warranty..............................................................................................................2
1.3 Safety instructions ...............................................................................................2
1.4 Power supply instructions....................................................................................2
2TECHNICAL FEATURES..........................................................................................3
3ACCESSORIES ........................................................................................................4
4INSTALLATION:.......................................................................................................4
4.1 First installation:...................................................................................................4
4.2 Next filling............................................................................................................6
5DESCRIPTION OF OPERATING DEVICES .............................................................7
5.1 Steam tap............................................................................................................7
5.2 Hot water tap .......................................................................................................7
5.3 Filters...................................................................................................................7
5.4 Dummy filter ........................................................................................................7
5.5 Filter- holders.......................................................................................................7
5.6 Steam jet (option) ................................................................................................8
5.7 Espresso tray.......................................................................................................8
5.8 Water hardness tester .........................................................................................8
6FUNCTIONING & PROGRAMMING.........................................................................9
6.1 Automatic switching ON & OFF...........................................................................9
6.2 Programming.....................................................................................................10
6.3 Beverage preparation........................................................................................11
6.4 Others functions.................................................................................................14
6.5 Alarms ...............................................................................................................17
6.6 Heating of the boilers.........................................................................................19
7HOW TO MAKE A PEFECT ESPRESSO...............................................................32
8SETTING OF MIXER TAP.......................................................................................33
9MAINTENANCE / SETTINGS .................................................................................34
9.1 Daily Maintenance.............................................................................................34
9.2 Weekly Maintenance.........................................................................................34
9.3 Maintenance every 3 month ..............................................................................34
9.4 12 bar Security valve.........................................................................................34
9.5 Recommendation...............................................................................................34
9.6 Procedure to change the PTFE gaskets............................................................35
9.7 Maintenance parts list on Twin Star 2:...............................................................39
10 DIMENSIONS.......................................................................................................41
11 ELECTRIC DESIGNATIONS ...............................................................................42
12 ELECTRIC DRAWING.........................................................................................43
12.1 CPU board......................................................................................................43
12.2 Electrical power diagram for “400 V 3NAC” & “230 V 1NAC” .........................46
12.3 Electrical power diagram for “230 V 1NAC”....................................................47
12.4 Connecting diagram: 8 fuses box ...................................................................48
12.5 Solid state relay interface for “230 V 3AC”......................................................49
12.6 Solid state relay interface for “400 V 3NAC”...................................................50
13 HYDRAULIC DRAWING......................................................................................51
14 DECLARATION OF COMPLIANCE WITH INTERNATIONAL COMMUNITY
DIRECTIVES.................................................................................................................52
