TABLE OF CONTENTS 1 PURPOSE OF THIS SERVICE MANUAL ...............................................................................................7 2 IMPORTANT NOTES..............................................................................................................................7 3 WASHING PRINCIPLES.........................................................................................................................8 3.1 Washing ...........................................................................................................................................8 3.1.1 Results of the wash...................................................................................................................8 3.2 Fabrics .............................................................................................................................................9 3.2.1 Natural and artificial fibres.........................................................................................................9 3.2.2 Washing the various types of fibres...........................................................................................9 3.2.3 Washing animal fibres:..............................................................................................................9 3.2.4 International symbols for washing of fabrics............................................................................10 3.3 Classification of soiling...................................................................................................................11 3.4 Mechanical action ..........................................................................................................................11 3.5 Duration of the washing cycle.........................................................................................................11 3.6 Water .............................................................................................................................................12 3.6.1 Formation of lime scale and ferrous oxide...............................................................................12 3.6.2 Hardness of the water .............................................................................................................12 3.6.3 Total water hardness...............................................................................................................13 3.7 Detergents .....................................................................................................................................14 3.7.1 Composition of a detergent .....................................................................................................14 3.7.2 Functions of the principal components of a detergent .............................................................14 3.7.3 Functions of other components of a detergent ........................................................................15 3.7.4 Detergent quantities................................................................................................................16 3.7.5 Washing additives...................................................................................................................17 3.7.6 Bleaching ................................................................................................................................17 3.8 The function of the water temperature............................................................................................18 3.8.1 Using the correct temperature.................................................................................................18 3.9 Washing machine programmes......................................................................................................19 4 FRONT-LOADING WASHING MACHINE .............................................................................................20 4.1 Traditional washing system ............................................................................................................20 4.1.1 Recovery of detergent loss from the circulation hose..............................................................21 4.2 Drain circuit with "ECO-BALL" ball valve........................................................................................22 4.2.1 “ECO-BALL” ball valve ............................................................................................................22 4.2.2 Ball valve:
operating principle..................................................................................................23 4.3 “JETSYSTEM” washing system .....................................................................................................24 4.3.1 JETSYSTEM hydraulic circuit (first version)............................................................................24 4.3.2 Jetsystem “DIRECT SPRAY” washing system........................................................................25 4.3.3 Circuit with heat exchanger.....................................................................................................25 4.3.4 “NEW JET” recirculation circuit–P63BD version (large door)...................................................26 5 WASHER-DRYERS ..............................................................................................................................27 5.1 Drying system ................................................................................................................................27 5.2 Drying circuit (type "A" condenser).................................................................................................27 5.3 Drying circuit (type "B" condenser).................................................................................................28 5.3.1 “HP” version ............................................................................................................................28 6 STRUCTURAL CHARACTERISTICS....................................................................................................29 6.1 “NEXUS” technology ......................................................................................................................29 6.1.1 Washing machine with 32 cm-depth cabinet ...........................................................................30 6.2 Base...............................................................................................................................................30 6.3 Control panel support.....................................................................................................................30 6.4 Cabinet...........................................................................................................................................31 6.4.1 Types of cabinet......................................................................................................................31 6.5 Porthole door..................................................................................................................................33 6.5.1 Examples of porthole doors.....................................................................................................33 6.5.2 Porthole door with button-actioned aperture............................................................................34 6.6 Control panel..................................................................................................................................35 6.6.1 Examples of control panels .....................................................................................................35 6.7 Washing groups .............................................................................................................................36 6.7.1 Damper ...................................................................................................................................36 6.7.2 Types of washing groups ........................................................................................................37 6.7.3 Washing group in Carboran ....................................................................................................38 6.7.4 Stainless steel washing group.................................................................................................39 6.7.5 Drum .......................................................................................................................................40 SOI/DT 2002-05 eb 2 599 35 23-17