Hotpoint Ariston AAQCF81U IT Instrucciones de funcionamiento e instalación

Indesit Company UK Ltd

Service

Information

Aqualtis

8 Kg

"A Energy"

CONDENSER

ELECTRONIC

TUMBLE DRYER

with

Refrigerant

Condenser System

Models Comm

Covered Code

AAQCF81U IT 70078

AAQCF81U WE 71832

AAQCF81U UK 71846

5407535 Issue 2 May 2010

C00279765

2 of 36

Service Manual UK

Indesit

Company

English

SAFETY NOTES & GENERAL SERVICING ADVICE

1. This manual is NOT intended as a comprehensive repair/maintenance guide to the appliance.

2. It should ONLY be used by suitably qualified persons having technical competence applicable

product knowledge and suitable tools and test equipment.

3. Servicing of electrical appliances must be undertaken with the appliance disconnected (unplugged)

from the electrical supply.

4. Servicing must be preceded by Earth Continuity and Insulation Resistance checks.

5. Personal safety precautions must be taken to protect against accidents caused by sharp edges on

metal and plastic parts.

6. After Servicing the appliance must be rechecked for Electrical Safety. In the case of appliances which

are connected to a water supply (i.e.: Washing Machines, Dishwashers & Food Centres etc.) checks

must be made for leaks from seals gaskets and pipe work and rectification carried out where

necessary.

7. It can be dangerous to attempt ‘DIY’ repairs / maintenance on complex equipment and the Company

recommends that any problem with the appliance is referred to its own Service Organisation.

8. Whilst the Company has endeavoured to ensure the accuracy of the data within this publication they

cannot hold themselves responsible for any inconvenience or loss occasioned by any error within.

INDEX

Safety Notes & General Servicing Advice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Dryer Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 6

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Filter Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Water Drain - Plumbing Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Console Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 - 12

Component Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 - 16

Special Programmes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Programme Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 - 19

Control Board Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 - 21

Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 - 23

Servicing Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 - 25

Test Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Power Module Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Dismantling Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 - 34

Serial Number Location

The Serial Number is located on the front

panel behind the door - open the door to

see it.

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Indesit Company

Service Manual UK English

TECHNICAL SPECIFICATIONS

First Production June 2010

General Model Colour Commercial Code

AAQCF81U IT White / Silver Door 70078

AAQCF81U WE White / Silver Door 71832

AAQCF81U UK White / Silver Door 71846

Features Electronically controlled tumble dryer comprising of an interface

module

fitted into the door and a control module mounted on the plinth,

connected by a serial link cable.

The Condensing Drying System uses an integrated self contained

refrigerant module instead of traditional high wattage heaters.

Country of Origin Great Britain

Dimensions Height 850 mm

Width 595 mm

Depth 584 mm

Weight 48 Kg (Unpacked), 51 Kg (Packed)

Energy Class A

Noise Level 68 dBA approximately

Drum Volume 112 litres

Drying Load Dry weight maximum 8 Kg

Programmes 16 position selector

Drying Sensing Levels Up to 5 depending on programme selected.

Door Operation Lever operated door catch

Electronic Platform EVO2

Drying Controls Variable using electronic control and thermistors

System Thermistor) 25°C = 10 K:10%

50°C = 4.16 K:10%

Front Air Duct Thermistor 25°C = 470 K:15%

100°C = 16.15 K:5%

Motor - Type 360 Single phase capacitor run 2 pole induction motor - 2800 rpm

Motor Capacitor 8.5 uF

Compressor Highly BSD 122DV - H3BD1, 200-240V - 50/60Hz

Compressor Capacitor 17 uF

Cooling Fan 220-240V AC, 50/60Hz, 0.14 Amp

Refrigerant Type R134a

Refrigerant Charge 340 grams

Water Container Capacity 5 Litres

Absorbed Power 1.04 - 1.15 kW (220 - 240 V AC)

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DRYER FUNCTION

Overview

This is a freestanding tumble dryer with a full width metal door.

The drum is capable of accepting a maximum 8 kg load. The drum is supported at the front by 2

wheels mounted on the front air duct and a single bearing at the rear located in the rear panel. A

shaft fixed to the rear of the drum runs in the rear bearing. The drum is driven by a belt which passes

around its periphery and onto the shaft of a motor secured to the base of the dryer.

The belt is tensioned by a pulley mounted to the motor.

The motor also drives a fan fixed to the end of the rear shaft to recirculate air through the drum.

The drum normally rotates clockwise with the occasional reverse action anticlockwise. This occurs

during the cycles cool down period and for 5 minutes every hour of the cycle duration.

The moisture removed from the recirculating air, by means of a refrigerant module, is pumped to a

removable container mounted in the left hand side of the console. The user can easily withdraw the

container to dispose of the collected condensed water. There is no requirement for venting to

atmosphere on this dryer.

Drying Process

The circulating air flows over the condenser unit causing it to be heated, the air then passes into the

drum via the fan chamber collecting moisture from the clothes enabling them to dry. The moisture

laden air passes through two filters to remove any lint and then passes through the evaporator unit

where the moisture condenses and falls into a channel in the base and flows into the pump reservoir

where it is pumped into the water container. The resulting cooled air aids the cooling of the

refrigerant in the condenser before starting the process again.

Heat Exchange Cycle

The Cycle begins with refrigerant being pumped by the compressor through the condenser unit.

A capillary tube is used to create a restriction to increase the pressure and temperature of the

refrigerant in the condenser, the heat (used to heat the airflow into the dryer) is removed from the

refrigerant converting it from a gas to a liquid.

The liquid refrigerant is then forced through the capillary under pressure into the evaporator unit

where the pressure is removed causing the refrigerant to evaporate into a gas again cooling the

evaporator the refrigerant then returns to the compressor to complete the cycle.

Controls Overview

The user interface controls consist of a Programme selection knob, a Digit display, option buttons;

Start/Pause button and an On/Off button.

The control system consists of a control module, two thermistors and a conductivity sensor.

The conductivity sensor is mounted in the front air duct. A single wire connects the sensor to the

control module. The front thermistor is located in the air duct, and the second thermistor is attached

to the heat exchanger system pipe work.

The control module determines the programme duration and dryness of the load. This is achieved

by the thermistors located in the front air duct and on system pipe work measuring the difference in

temperature / resistance between the two points, the control module then calculates and compares

the values to that of the chosen programme.

As the programme progresses a small DC current is passed from the sensor in the front air through

damp clothes to earth. The resistance of this current is compared to the resistance value of the

chosen programme and when these become equal the load will have reached the required level of

dryness and will then progress through the dry programme and on to the cool down period.

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Indesit Company

Service Manual UK English

The control module is located behind the right hand side panel and there is a service port behind the

plinth cover that allows attachment of a computer, Smart Card Reader or Handheld Device to

programme the Control Module.

The control module can be programmed with the relevant settings file if the module is replaced, the

settings file becomes corrupted or if an updated file becomes available.

Each of the sensing programmes has a maximum time of approximately 270 minutes. (Actual time

will vary slightly due to programme selected).

Auto Sensing

After the Automatic cycle has started, the machine’s thermistor and conductivity sensor continually

monitor the dampness of the drying clothes. Once a final dry time has been determined, the display

will update, and the cycle will continue finishing with a 3 minute cool down period. The time taken to

update will vary depending on the Programme set, load and the ambient temperature.

If the display counts down to 3 minutes and the clothes are not at the required dryness level, the

display will hold at 3 minutes, depending on the programme in progress and the material being dried,

the dryer will either wait until the correct dryness level is reached and move to the cool down period,

or wait until the machines sensors are able to recalculate the dryness time and the display will

update accordingly.

If, after the maximum programme time of approximately 270 minutes, the clothes are still not dry,

the programme advances to cool tumble and completes the programme.

Note 1: No fault is indicated if this occurs.

Note 2: The actual time out period will vary slightly depending on the programme and dryness level

set. Under normal drying conditions providing at the start of the cycle the water container is empty,

Gas

Circulated

Calorific Value

(1600W)

Calorific Value

given by

Compressor

(600W)

High Pressure

1.6MPa

Low Pressure

0.3MPa

Compressor Motor

Gas

Dew Condensation

Water

Heat

Exchanger

(Evaporate)

Heat

Exchanger

(Condense)

Low Pressure

0.3MPa 1.6MPa

High Pressure

Liquid

Expansion

Evaporate

Condense

Compress

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Service Manual UK

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English

both filters are clean and the clothes have been spun in a washing machine, the clothes should dry

before the time out period occurs.

The module also controls the compressor. The compressor will start running at the start of the

programme and is on continually during the drying cycle.

If the user turns off the power or disconnects the mains cable or there is a power cut, the dryer will

remember its last settings and resume the programme when the start button is pressed, the

compressor will restart after a 5 minute delay period to allow the system to equalise.

Note: If the compressor is switched off, i.e: Programme paused or the door is opened, the

compressor will have an ’OFF’ time of approximately 5 minutes to allow the pressure in the system

to equalise.

The start of a programme can be delayed up to a maximum of 24 hours programmed in 1 hour steps.

Pre-crease care (see page 11) can only be selected if a timed delay has been selected; this option

tumbles the clothes for 3 seconds every 30 minutes for the duration of the time delay.

If selected, the Post crease care option (see page 11) tumbles the clothes after the programme has

finished for 3 seconds every 4 minutes up to a maximum duration of 10 hours.

Installation

If the machine has been transported or laid over, the machine must NOT be started for

2 hours to allow any displaced oil in the system to resettle.

Ventilation

The machine must be installed so it has a minimum air gap of

15mm along each side and 10mm at the top. The machine's rear

air vents must not be blocked.

The machine should be installed on a level surface away from

any appliance which produces flames. i.e: a Gas Hob or Gas

Fire.

Levelling the Tumble Dryer

This dryer must be level for correct

operation.

When the dryer is installed in its final

location check that it is level first side-to-

side, then front to back.

If the dryer is not level, adjust the feet up

or down until the dryer is level.

Rotate the feet to adjust the height.

10 mm

15 mm 15 mm

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Indesit Company

Service Manual UK English

Environment

Installing in a cupboard is NOT recommended, but the dryer must not be installed behind a locked

or sliding door, or where a door is hinged on the opposite side to the tumble door.

When in use the dryer must be in an environment that is not damp with proper air circulation.

The dryer will not operate efficiently in an enclosed space or cupboard.

Door Reversal: The Tumble Dryer door cannot be reversed.

Filter Care

This A class Dryer has 2 filters which must be kept clean to ensure efficient and correct operation of

the dryer.

1. Air Duct Filter

Open the machine door (A).

Remove the filter, located just

inside the opened door. (B)

Unclip the filter, and open.

The filter can now be cleaned

and the fluff removed.

Replace the filter after cleaning.

2. Heat Exchanger Filter

12 3

1 Pull the plinth forward

2 Rotate the cover fixing clips

3 Clean the filter

4 Refit the cover and rotate the clips

Filter Cover

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Water Drain - Plumbing Out

If the Dryer is positioned close to a drain or standpipe, it is possible to

drain the condensed water directly without using the water bottle.

In this case it is no longer necessary to empty the water bottle at the

end of each cycle.

lf the Dryer is positioned above or close to a Washing Machine which

uses a standpipe the same standpipe can be used.

Just disconnect the tube indicated in Figure A and connect it to the

drain.

If the standpipe / drain is further away than the length of the tube it is

possible to buy and connect a tube of the same diameter and the

necessary length in order to reach the standpipe.

To install the new tube just substitute the existing one as indicated in

Figure B inserting it in the same place.

Important Notes:

- The top of the standpipe must be below 1 metre from the bottom of

the Dryer.

- Once the Dryer has been installed, ensure that the drain tube is not

bent, squashed or contorted.

H<1m

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Service Manual UK English

CONSOLE FUNCTIONS

Option Buttons

ON OFF BUTTON and LIGHT

Push to switch the dryer On and Off.

If the button glows the dryer is turned on and either running or waiting to be started.

PROGRAMME KNOB AND INDICATOR

Used to select the required programme option.

16 timed auto and special programmes are available - see page 17.

Consult the programme chart on pages 18 and 19, to see Programme descriptions.

Stand-by Mode

To comply with current energy saving requirements this product features a Stand-by mode. If the

machine has not been switched off for a period of 30 minutes after the finish of the programme the

controls will go into stand-by mode when the LED's and display will switch off.

To reactivate and remove the controls out of Stand-by mode briefly press the On/Off button, the

LED's and display will illuminate and another programme can then be started or the machine

switched off by pressing the On/Off button.

Display

On/Off Button

& Light Indicator Display Unit Start/Pause Button Child Lock Button

Programme Option Button & Lights Clean Heat Progress

Lights

& Light & Light

Exchange

Empty Water/

Clean Filter Light

Filter Light

Knob

Indicates Current

Dryness Level

Sensor cycles only

(See Sensing Levels)

Active. Auto Cycles

only

Indicates Time Set

Active. Manual Time

Cycles Only

Countdown Timer

Gives Estimated time to

end of delay or cycle

Displays during delay

start, auto, special and

manual programmes.

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Display Information

Note:

During Sensor Cycles the Centre Timed display screen is blank

During Timed Cycles the left hand Sensor screen is blank

Sensing Levels

After selecting a programme that has a Sensing Dry Option, press and release the button until the

required dryness sensing level is displayed. If the sensing option is not available the display will ash

and the buzzer beeps three times.

Note: ‘Cottons - High Heat’ and ‘Jeans’ programmes are the only programmes which have all ve

dryness level options - all other programmes have only 4 options.

Dryness levels available

Damp Dry: Dries your items ready to be ironed using a machine or rotary ironer.

Iron Dry: Dries you items ready to be ironed with a hand iron.

Hanger Dry: Dries you clothes ready to be hanged for nal drying; Use this program if

you do not need the items to be fully dry as it uses less Energy.

Cupboard Dry: Dries your items ready to be put away.

Ready to Wear / Extra Dry : Dries your clothes ready to be worn.

Timed Dry

After selecting a Programme that has a Timed Dry Option, press the Timed Button and the display will

Note: Timed Dry is only available on the following programmes:

Cottons - High Heat, Cottons - Low Heat, Shirts - High Heat, Shirts - Low Heat, Synthetics, Delicates.

reduce the selected time each time you press and release this button (see Start and Programmes).

Each press decreases the set time , , , , , , , then and then repeats.

If the Timer Dry option is not available the display will ash and the buzzer beeps three times.

The selected time remains displayed after the programme starts and cannot be changed after the after the

Start/Pause Button is Pressed.

Delay Timer

After selecting a Programme that has a Delay Timer Option a delay start time can be selected.

Each press of the Delay button advances the delay setting in 1 hour Increments from to then

and then after ve seconds cancels the delay.

For delays of 10 hours or more the display counts down the time in hours for rst ten hours, then the display

shows and then counts down in minutes. For delays less then 9 hours or less the display shows hours

and minutes and then count down in minutes for all of the delay.

After the Start/Pause Button is pressed the time cannot be changed.

When the delay period nished the symbol is o and the Time to End is displayed

Time to End If the delay icon is o the time displayed is the Time to End of the programme running.

When timed programmes are selected the time displayed throughout the cycle is the actual time

remaining.

When an Automatic programme is selected the time displayed is an estimate of the time remaining.

When the programme is selected the display shows the time required to dry a full load, after around 10

minutes the controller calculates a better estimate of the cycle time

The time to end is displayed in hours and minutes and counts down each minute.

The colons between the hours and minutes display ashes to show that the time is counting down.

The Display also shows if there is a problem with your dryer, if this occurs the display will show F

followed by a fault code number, the four option lights and the pause light will also ash Orange.

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