352317en (EN)

SERVICE MANUAL LAUNDRY SOI/DT 2002-05 eb 1 599 35 23-17 Washing machines & Dryers P6000 (Nexus) Series: Structural characteristics, electrical components and accessibility Production: ZP - Porcia Italy  ELECTROLUX ZANUSSI S.p.A. Spares Operations Italy Publication Corso Lino Zanussi,30 number I - 33080 PORCIA /PN (ITALY) 599 35 23-17 Fax +39 0434 394096 EN Edition: 2002-05-02

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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

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6.7.6 Drum rotation drive belt...........................................................................................................41 6.8 Detergent dispenser.......................................................................................................................42 6.8.1 Detergent dispenser with distribution levers............................................................................42 6.8.2 Detergent dispenser with multiple-outlet solenoid valve ("long" version) .................................44 6.8.3 Detergent dispenser with multiple-outlet solenoid valve ("short" version)................................46 6.9 Drain/circulation circuits .................................................................................................................48 6.9.1 Washers with traditional washing systems ..............................................................................48 6.9.2 Washers with traditional washing system and “ECO-BALL” ball valve ....................................49 6.9.3 Washers with traditional washing system and “P66" (32 cm) cabinet......................................50 6.9.4 Jetsystem washing machines (with circulation pump) .............................................................51 6.9.5 “NEW JET” circulation circuit (Circulation pump) – version P63BD .........................................52 6.9.6 Jetsystem washing machines (Circulation pump) with Heat exchanger ..................................53 6.9.7 Jetsystem washing machines with NEAT cabinet (JETSY- IZ)................................................54 7 WASHER-DRYER COMPONENTS ......................................................................................................55 7.1 Fan assembly.................................................................................................................................55 7.2 Heater element casing ...................................................................................................................56 7.3 Drying condenser ...........................................................................................................................57 7.3.1 Determining the drying time ....................................................................................................58 7.3.2 Condensation water fill............................................................................................................59 7.4 Duct................................................................................................................................................59 8 ELECTRICAL COMPONENTS..............................................................................................................60 8.1 Control systems .............................................................................................................................60 8.2 Suppressor.....................................................................................................................................61 8.2.1 General characteristics ...........................................................................................................61 8.2.2 Electrical symbols ...................................................................................................................61 8.2.3 Circuit diagrams ......................................................................................................................61 8.2.4 Checking for efficiency............................................................................................................61 8.3 Push-button....................................................................................................................................62 8.3.1 General characteristics ...........................................................................................................62 8.3.2 Electrical symbol .....................................................................................................................62 8.3.3 Checking for efficiency............................................................................................................62 8.4 Door safety interlock (traditional version) .......................................................................................63 8.4.1 General characteristics ...........................................................................................................63 8.4.2 Electrical symbol .....................................................................................................................64 8.4.3 Circuit diagrams ......................................................................................................................64 8.4.4 Version with pneumatic device................................................................................................64 8.4.5 Checking for efficiency............................................................................................................64 8.5 Instantaneous door safety interlock................................................................................................65 8.5.1 General characteristics ...........................................................................................................65 8.5.2 Operating principle..................................................................................................................65 8.5.3 Electrical symbol .....................................................................................................................66 8.5.4 Circuit diagram........................................................................................................................66 8.6 Solenoid valve................................................................................................................................67 8.6.1 General characteristics ...........................................................................................................67 8.6.2 Electrical symbol .....................................................................................................................68 8.6.3 Checking for efficiency............................................................................................................68 8.7 Pressure switch..............................................................................................................................69 8.7.1 General characteristics ...........................................................................................................69 8.7.2 Pressure switch hydraulic circuit ............................................................................................69 8.7.3 Operating principle..................................................................................................................70 8.7.4 Electrical symbol .....................................................................................................................70 8.7.5 Circuit diagram........................................................................................................................70 8.7.6 Checking for efficiency............................................................................................................70 8.8 Analogue (electronic) pressure switch............................................................................................71 8.8.1 General characteristics ...........................................................................................................71 8.8.2 Operating principle..................................................................................................................71 8.8.3 Electrical symbol .....................................................................................................................72 8.8.4 Circuit diagrams and operating frequency...............................................................................72 8.8.5 Checking for efficiency............................................................................................................72 8.9 Water distributor.............................................................................................................................73 8.9.1 General characteristics ...........................................................................................................73 8.9.2 Operating principle..................................................................................................................73 8.9.3 Electrical symbol .....................................................................................................................74 8.9.4 Contact closure diagram .........................................................................................................74 8.10 Induction (asynchronous) motors ..................................................................................................75 SOI/DT 2002-05 eb 3 599 35 23-17

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8.10.1 General characteristics ...........................................................................................................75 8.10.2 Reversal of direction of rotation during washing......................................................................76 8.10.3 Electrical symbols ...................................................................................................................76 8.10.4 Circuit diagrams ......................................................................................................................76 8.10.5 Motor with speed variator........................................................................................................77 8.10.6 Checking for efficiency............................................................................................................77 8.11 Commutator motor ........................................................................................................................78 8.11.1 General characteristics ...........................................................................................................78 8.11.2 Operating principle..................................................................................................................78 8.11.3 Electrical symbols ...................................................................................................................80 8.11.4 Circuit diagram........................................................................................................................81 8.11.5 Checking for efficiency............................................................................................................81 8.12 AC/DC converter ...........................................................................................................................82 8.12.1 General characteristics ...........................................................................................................82 8.12.2 Electrical symbol .....................................................................................................................82 8.12.3 Circuit diagram........................................................................................................................82 8.13 Heating element ............................................................................................................................83 8.13.1 General characteristics ...........................................................................................................83 8.13.2 Electrical symbol .....................................................................................................................84 8.13.3 Checking for efficiency............................................................................................................84 8.14 Heat exchanger.............................................................................................................................85 8.14.1 General characteristics ..........................................................................................................85 8.14.2 Electrical symbol .....................................................................................................................85 8.14.3 Checking for efficiency............................................................................................................85 8.15 Drying heater (washer-dryers).......................................................................................................86 8.15.1 General characteristics ...........................................................................................................86 8.15.2 Electrical symbol .....................................................................................................................86 8.15.3 Checking for efficiency............................................................................................................86 8.16 Bi-metal thermostats .....................................................................................................................87 8.16.1 General characteristics ...........................................................................................................87 8.16.2 Operating principle..................................................................................................................87 8.16.3 Electrical symbols ...................................................................................................................87 8.16.4 Manual-reset thermostat .........................................................................................................87 8.16.5 Checking for efficiency............................................................................................................87 8.17 Adjustable thermostat....................................................................................................................88 8.17.1 General characteristics ...........................................................................................................88 8.17.2 Electrical symbol .....................................................................................................................88 8.17.3 Checking for efficiency............................................................................................................88 8.18 NTC temperature sensor...............................................................................................................89 8.18.1 General characteristics ...........................................................................................................89 8.18.2 Electrical symbol .....................................................................................................................89 8.18.3 Checking for efficiency............................................................................................................89 8.19 Drain pump....................................................................................................................................90 8.19.1 General characteristics ...........................................................................................................90 8.19.2 Electrical symbol .....................................................................................................................90 8.19.3 Checking for efficiency............................................................................................................90 8.20 Circulation pump ...........................................................................................................................91 8.20.1 General characteristics ...........................................................................................................91 8.20.2 Electrical symbol .....................................................................................................................91 8.20.3 Checking for efficiency............................................................................................................91 8.21 Drying timer (washer-dryers).........................................................................................................92 8.21.1 General characteristics ...........................................................................................................92 8.21.2 Circuit diagram........................................................................................................................92 8.21.3 Contact closure diagram .........................................................................................................92 8.21.4 Checking for efficiency............................................................................................................92 8.22 Fan motor (washer-dryers)............................................................................................................93 8.22.1 General characteristics ...........................................................................................................93 8.22.2 Electrical symbol .....................................................................................................................93 8.22.3 Checking for efficiency............................................................................................................93 8.23 Circuit diagrams ............................................................................................................................94 8.23.1 Wiring diagram........................................................................................................................94 8.23.2 Basic circuit diagram ...............................................................................................................96 9 ACCESS TO COMPONENTS...............................................................................................................97 9.1 Work-top ........................................................................................................................................97 9.1.1 Pressure switch.......................................................................................................................97 SOI/DT 2002-05 eb 4 599 35 23-17

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