Douwe Egberts CAFITESSE 014, Service Manual

Page: 93 / 230

January 2001
5 - 1
Functions Service Manual Cafitesse 500
5 Functions
Contents
5.1 Total Overview - Components of the Dispenser ................................... 5
5.2 General Safety Instructions .................................................................... 8
5.A Water System
5.A.1 Adjustments ............................................................................................. 2
5.A.2 Disassemblies .......................................................................................... 3
5.A.2.1 Disassembly of the Boiler ........................................................................... 3
5.A.2.2 Disassembly of the Boiler Cover ................................................................ 7
5.A.2.3 Disassembly of the Dry Running Protection ............................................... 9
5.A.2.4 Disassembly of the Boil Over Sensor ....................................................... 12
5.A.2.5 Disassembly of the Float .......................................................................... 13
5.A.2.6 Disassembly of the Optical Sensor .......................................................... 14
5.A.2.7 Disassembly of the Temperature Sensor ................................................. 15
5.A.2.8 Disassembly of the Solenoid Valves at the Boiler .................................... 16
5.A.2.9Disassembly of the Sealing Bush Boiler/Hot Water Valve ....................... 18
5.A.2.10
Disassembly of the Sealing Bush Boiler/Product Valve ........................... 19
5.A.2.11 Disassembly of the Inlet Valve ................................................................. 20
5.A.3 Functional Descriptions ........................................................................ 22
5.A.3.1 Function: Boiler and Dry Running Protection ........................................... 22
5.A.3.2 Function: Boil Over Sensor ...................................................................... 22
5.A.3.3 Function: Overflow ................................................................................... 23
5.A.3.4 Function: Water Inlet ................................................................................ 23
5.A.3.5 Function: Level Regulation ....................................................................... 25
5.A.3.6 Function: Water Supply ............................................................................ 26
5.A.3.7 Function: Water Drain .............................................................................. 26
5.A.3.8 Function: Temperature Regulation for the Boiler ..................................... 26
5.A.3.9Function: Temperature Sensor ................................................................ 27
5.A.3.10
Function: Safety System .......................................................................... 28
5.A.4 Electrical Diagrams ................................................................................ 30
5.A.4.1 Circuit - Water Inlet Valve ........................................................................ 30
5.A.4.2 Circuit - Water Coil ................................................................................... 30
5.A.4.3 Circuit - Heating and Temperature Regulation ......................................... 31
5.A.5 Technical Specifications ....................................................................... 32
5.A.6 Options .................................................................................................... 33
5.A.6.1 Café Cool ................................................................................................. 33
5.A.7 Accessories ............................................................................................ 33