Manual AEG DDLE LCD 18 (page 20 of 100) (English, German, Dutch, French, Polish)

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Operation - for users and qualied contractors

2.4 Test symbols

See type plate on the appliance.

Country-specic approvals and certications:

Germany

A general test certicate as veriﬁcation of suitability regard-

ing noise emissions has been issued for this appliance,

based on the State Building Regulations [Germany].

AEG

HOL

DIN 4109

PA-IX 6814/I

3. Appliance description

The electronically controlled instantaneous water heater

with automatic output matching keeps the outlet temper-

ature constant up to the output limit. The temperature is

then selected via the draw-off tap.

Heating system

The bare wire heating system has a pressure-tested plas-

tic casing. The heating system is suitable for hard and soft

water areas; it has low susceptibility to scale build-up.

This system ensures rapid and efcient DHW availability.

Note

The appliance is equipped with an air detector that

largely prevents damage to the heating system. If,

during operation, air is drawn into the appliance,

the appliance shuts down for one minute, thereby

protecting the heating system.

4. Settings

The DHW outlet temperature can be variably adjusted.

The selected temperature is displayed. At temperatures

over 43 °C, the colour of the display changes from blue

to red to indicate a risk of scalding.

D0000041982

» Turn the temperature selector to the required

temperature.

Note

If the outlet temperature is not sufciently high when

the draw-off valve is fully open and the temperature

selector is set to maximum, then more water is ow-

ing through the appliance than can be heated by the

heating system (appliance is at its output limit).

» Reduce the water volume at the draw-off valve.

Recommended setting for operation with a

thermostatic valve

Set the temperature at the appliance to the maximum

temperature.

Following an interruption of the water supply

Material losses

Following an interruption of the water supply the ap-

pliance must be recommissioned by carrying out the

following steps, in order to prevent the destruction

of the bare wire heating system.

» Disconnect the appliance from the power sup-

ply by removing the fuses/tripping the MCBs.

» Open the tap for one minute until the appliance

and its upstream cold water inlet line are free of

air.

» Switch the mains power back ON again.

5. Cleaning, care and

maintenance

» Never use abrasive or corrosive cleaning agents. A

damp cloth is sufcient for cleaning the appliance.

» Check the taps regularly. Limescale deposits at the

spouts can be removed using commercially available

descaling agents.

6. Troubleshooting

Problem Cause Remedy

The appliance will not

start despite the DHW

valve being fully open.

There is no power. Check the fuses/

MCBs in your fuse

box/distribution panel.

The flow rate is too

low. The aerator in

the tap or the shower

head is scaled up or

contaminated.

Clean and/or descale

the aerator or shower

head.

Required tempera-

ture > 45 °C is not

achieved.

The water supply has

been interrupted.

Vent the appliance

and the cold water

inlet line (see chapter

“Settings”).

The cold water

inlet temperature is

> 45 °C.

Reduce the cold water

inlet temperature.

If you cannot remedy the fault, notify your qualied contractor.

To facilitate and speed up your enquiry, please provide the serial

number from the type plate (000000-0000-00000):

Nr.: 000000-0000-00000

D0000041614

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AEG DDLE LCD 18 Manual

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