Asko TDC33 Manuale utente

PROFESSIONAL TUMBLE DRYER

5kg

SERVICE MANUAL

8064375

Publication date: Sep 2002

INTRODUCTION

You have in your hand the ASKO Service Manual for the commercial machines of

the new generation of tumble driers, that are friendly to the environment in both

their manufacture and their use.

This new generation of tumble driers has been designed for ease of servicing. By

this we mean that it's a simple job, for example, to replace a damaged side panel.

That's why we've changed the design from a one-piece shell to a split shell.

To secure parts and wiring, we have replaced many of the screws by plastic snap

fasteners, and certain parts have integrated ribbon cabling, all for simplifying service.

We have also integrated service aids, such as hooks to hang parts on, so that you

can use both hands for installation.

Presentation of the different models:

TDC33 - is a sensor-controlled electronic tumble dryer with air extraction

TDC44 - is a sensor-controlled electronic tumble dryer with a condenser

The machines have a humidity sensor that can tell when the clothes are dry.

You can choose from a total of eleven different languages on the display, the

number and choice of languages depend on the market.

Servicing the tumble driers has to be easy, and just as it is important for us that the

customer shall be satisfied with our simple, able and durable machines, so we also

want to give you, the service engineer, the conditions to permit you to work effi-

ciently and satisfactorily.

We hope that this Service Manual will be a positive tool in your daily work.

Important - late change!

Machines manufactured week 46/2000 or later have a new design of the fastening of

the bottom cover. See illustration below.

For more information, see service information Group 22 No. 47.

Art.no. Service manual 80 643 75

INTRODUCTION

TABLE OF CONTENTS

Safety regulations 5

Specifications 6

The drying process 7

TDC33 7

TDC44 8

Installation 9

Tumble drier location 9

Location alternatives: 9

Adjusting the feet 11

Condensation water (TDC44) 11

Air extraction (TDC33) 12

Connection to the tumble drier 12

Connection to exhaust duct 12

Examples of installations 12

Installation in warm climates 13

Condensation problems 13

Electrical installation 14

Doorhanging 15

Left hanging to right hanging 15

Right hanging to left hanging 17

Fault tracing 19

Problems 21

Components and measurements 22

Test program and fault indications 26

Test program 26

Internal counter 26

Fault indications 26

Consumption values 27

TDC33 27

TDC44 28

Tools 29

List of tools 29

Application areas 30

Special tools 32

Service 33

Top cover 33

Removing the top cover 33

Installing the top cover 33

Changing the guides 33

Removing the rear panel 34

Installing the rear panel 34

Removing the inner and outer rear

panels 35

Installing the inner and outer rear

panels 35

Changing the foam rubber seal 36

Changing the bearing 36

Changing the rear felt strip seal 37

Changing/cleaning the heating element 37

Changing the overheating protection

device 38

Input terminal block 39

Removing the input terminal block 39

Installing the input terminal block 39

Removing the radio interference filter 40

Installing the radio interference filter 40

Contactor 41

Removing the contactor 41

Installing the contactor 41

Fuse 42

Changing the fuse 42

Changing the fuse holder/insert 42

Drum 43

Removing the drum 43

Installing the drum 43

Changing the drive belt 43

Changing the drum ridge 44

External fan housing (TDC44) 45

Removing the external fan housing 45

Installing the external fan housing 45

Cleaning the external fan wheel 45

Motor 46

Removing the motor 46

Installing the motor 46

Changing the capacitor 47

Air extraction system 48

Removing the exhaust air duct hook 48

Installing exhaust air duct hook 48

Removing the exhaust air duct T-piece 48

Installing the exhaust air ductT-piece 48

Humidity sensor 49

Removing the humidity sensor 49

Installing humidity sensor 49

Thermistor 50

Removing the thermistor 50

Installing the thermistor 50

Front frame 51

Removing the front frame 51

Installing the front frame 51

Changing the front felt seal 52

Changing the support roller 52

TABLE OF CONTENTS

Front door 53

Removing the front door 53

Installing the front door 53

Changing the hinge pin 53

Changing the hinge socket 54

Changing the door magnet/escutcheon

plate 54

Changing the handle 54

Changing the inner door 55

Changing the outer door seal 55

Changing the inner door seal 55

Changing/cleaning the filter holder 56

Changing the door switch 56

Changing the door switch pin 57

Front panel 58

Removing front panel 58

Installing front panel 58

Changing the fixing clip for the bottom

cover (female) 59

Changing the fixing clip for the bottom

cover (male) 59

Panel 60

Removing the panel 60

Installing the panel 60

Changing the panel handle 61

Changing the indication lamp/symbol

lens 61

Changing the main power button 62

Changing the push-button switches 63

Changing the DCU panel board and the

push-buttons 63

Electronic control unit 64

Changing the electronic control unit 64

Installing electronic control unit with its

holder 65

Condenser housing (TDC44) 66

Removing the condenser housing 66

Installing the condenser housing 66

Changing the condensed water pump 66

Changing the microswitch for the conden-

sed water pump 67

Changing the foam rubber seal 67

Changing the float 68

Water tank housing (TDC44) 69

Removing water tank housing 69

Installing water tank housing 69

Changing the water tank handle 69

Side panels 70

Changing the side panels 70

Bottom 71

Changing the bottom 71

Front rail 71

Changing the front rail 71

Program and options 72

Programs 72

Drying time 72

Change settings 73

Language 73

Locking a programme 73

Child lock on button 73

Program overview 74

Tumble drying 75

Cleaning and maintenance 76

Cleaning the fluff filter 76

Emptying the condensed water tank

(TDC44) 76

Cleaning the outside of the machine 77

Cleaning the fan 77

Cleaning the condenser (TDC44) 78

Drying guide TDC33

Drying guide TDC44

Circuit diagram

TABLE OF CONTENTS

SAFETY REGULATIONS

GENERAL

• The electrical and plumbing installations shall

be carried out by a qualified electrician and

plumber respectively.

SERVICE

WARNING

Always switch off the main electrical power supply

when dismantling and assembling the washing

machine.

• Always use an earthed EMC wristband when

working with electrical components, such as

panel printed circuit boards and electronic

control units.

TDC33: TRANSPORT/WINTER STORAGE

If the tumble drier is to be transported, or stored

for the winter in unheated premises, ensure that

the condensation water tank has no water in it.

DISPOSAL

When the tumble drier comes to end of its useful

life and is to be scrapped, it must be immediately

rendered unusable.

Contact your local authority to find out how the

tumble drier should be scrapped and recycled pro-

perly.

The tumble drier is manufactured and labelled

for recycling.

SAFETY REGULATIONS

SPECIFICATIONS

PRINCIPAL DIMENSIONS

Height: 850 mm

Width: 595 mm

Depth: 585 mm

Weight:

TDC33 39 kg

TDC44 47 kg

VOLUME/CAPACITY

Drum volume: 111 litres

Drying capacity : 5.0 kg

Speed: 52 rpm

ELECTRICAL CONNECTION ALTERNATIVES

Power consumption: See type label

Heating element power: See type label

Drying drum material:

Stainless steel.

Outer casing material:

Powder-painted and hot galvanised steel plate

or stainless steel.

Installation:

Tower, free-standing or built-in.

Drain

TDC44: 2.0 m rubber hose

Air extraction hose

TDC33: 3.0 m PVC

SPECIFICATIONS

THE DRYING PROCESS

TDC33

Air at room temperature is heated by the heating

element and drawn into the drum, where it ex-

tracts the dampness from the clothes. The ridges

in the drum prevent the clothes from sticking to

each other.

Air passes through the fluff filter in the front door,

through the exhaust system and out.

On the way through the air extraction system the

air passes a humidity sensor. The sensor measures

the amount of humidity in the clothes. If you are

using an automatic program, the sensor indicates

when the clothes are dry.

THE DRYING PROCESS

TDC44

The condensing tumble drier has two circulation

systems: one for drying air and one for cooling

air. The black arrows show the warm drying air,

and the white arrows the cooling air at room tem-

perature.The ridges in the drum prevent the clo-

thes from sticking to each other. On the way th-

rough the air extraction system the air passes a

humidity sensor.The sensor measures the amount

of humidity in the clothes. If you are using an

automatic program, the sensor indicates when the

clothes are dry.

AIR DRIER

Air at room temperature is heated by the heating

element and passes through the drum, where it

blows through the clothes and extracts the damp-

ness from them.

The air is filtered through the fluff filter in the

front door, goes down to the fan and onwards to

the condenser unit.

On its way through the condenser the saturated

air releases its water content.The extracted water

falls into a holder, from which it is either pum-

ped up to a water tank or taken out via a drain

hose to a floor drain or similar.

COOLING AIR

The condenser is cooled by air at room tempera-

ture, drawn in through the rear of the machine.

The air is blown through the condenser and ex-

hausts through a grille in the bottom hatch. If

the machine is built in, the air is drawn through

the gap between the floor and the bottom of the

machine.

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