January 2001
5A - 1
Functions - Water System
Service Manual Cafitesse 500
Contents
A.1
Adjustments ............................................................................................. 2
A.2
Disassemblies .......................................................................................... 3
A.2.1
Disassembly of the Boiler ........................................................................... 3
A.2.2
Disassembly of the Boiler Cover ................................................................ 7
A.2.3
Disassembly of the Dry Running Protection ............................................... 9
A.2.4Disassembly of the Boil Over Sensor ....................................................... 12
A.2.5
Disassembly of the Float .......................................................................... 13
A.2.6
Disassembly of the Optical Sensor .......................................................... 14
A.2.7
Disassembly of the Temperature Sensor ................................................. 15
A.2.8
Disassembly of the Solenoid Valves at the Boiler .................................... 16
A.2.9
Disassembly of the Sealing Bush Boiler/Hot Water Valve ....................... 18
A.2.10
Disassembly of the Sealing Bush Boiler/Product Valve ........................... 19
A.2.11
Disassembly of the Inlet Valve ................................................................. 20
A.3
Functional Descriptions ........................................................................ 22
A.3.1
Function: Boiler and Dry Running Protection ........................................... 22
A.3.2
Function: Boil Over Sensor ...................................................................... 22
A.3.3
Function: Overflow ................................................................................... 23
A.3.4Function: Water Inlet ................................................................................ 23
A.3.5
Function: Level Regulation ....................................................................... 25
A.3.6
Function: Water Supply ............................................................................ 26
A.3.7
Function: Water Drain .............................................................................. 26
A.3.8
Function: Temperature Regulation for the Boiler ..................................... 26
A.3.9
Function: Temperature Sensor ................................................................ 27
A.3.10
Function: Safety System .......................................................................... 28
A.4
Electrical Diagrams ................................................................................ 30
A.4.1
Circuit - Water Inlet Valve ........................................................................ 30
A.4.2
Circuit - Water Coil ................................................................................... 30
A.4.3
Circuit - Heating and Temperature Regulation ......................................... 31
A.5
Technical Specifications ....................................................................... 32
A.6
Options .................................................................................................... 33
A.6.1
Café Cool ................................................................................................. 33
A.7
Accessories ............................................................................................ 33
5.A Water System
