AEG DDLE LCD 18 / 21 / 24 / 27 - Инструкция по эксплуатации - Страница 28

28

For contractors

3.1 

General installation information

At the factory, the device is prepared for a power connection from the top from an installation below 
the plaster (see Fig. 

C

 - 

I

):

•฀ The฀device฀is฀suitable฀for฀above฀or฀undersink฀installation฀

C

.

•฀ Water฀connection฀-฀threaded฀ittings฀below฀the฀plaster.
•฀ Power฀connection฀below฀the฀plaster฀in฀the฀upper฀device฀area.

Important information regarding the DDLE LCD 18/21/24 with connected load changeover

In its delivered condition the device is set to 21 kW. When changing to a different output, carry out the 
following steps: 

•฀

Re-plug the coding card

Re-plug the coding card ( 

A

฀8)฀according฀to฀the฀selected฀output;฀for฀selectable฀output฀and฀fuse฀protection฀

see฀"Speciication“.

Mark the connected load on the type plate ( 

A

 18) with a permanent marker.

•

Replace the flow limiter

If฀24฀kW฀connected฀load฀has฀been฀selected,฀replace฀the฀itted฀low฀limiter฀(฀

O

 29, white) with the flow limiter 

supplied฀(orange,฀ixed฀to฀the฀cold฀water฀pipe).

3.2 

Installation site

Install฀the฀instantaneous฀water฀heater฀according฀to฀the฀igure

C

 (a-oversink or b-undersink) vertically, flush 

with the wall and in a room free from the risk of frost.

3.3 

Preparing the device installation

•฀ Open฀the฀device฀

D

 :

a

  Disengage the locking device with a screwdriver.

b

  Open and remove the device cap.

•฀ Remove฀the฀lower฀part฀of฀the฀back฀panel฀

E

 :

a

  Push in both locking hooks.

b

  Remove the lower part of the back panel towards the front.

•฀ Break฀out฀the฀cable฀grommet฀knock-out฀in฀the฀back฀panel

 (

F

a). If the wrong knock-out has been 

opened by mistake, a new back panel must be used.

•฀ Trim฀the฀power฀cable฀to฀size

 (

F

b).

•฀ Remove฀the฀protective฀transport฀plugs฀from฀the฀water฀connections

.

3.4 

Fitting the mounting bracket

G

•฀ Mark฀out฀the฀holes฀to฀be฀drilled฀using฀the฀installation฀template฀supplied฀(existing/suitable฀AEG฀mounting฀

bracket can be used).

•฀ Secure฀the฀mounting฀bracket฀with฀2฀screws฀and฀rawl฀plugs฀(not฀part฀of฀the฀standard฀delivery;฀select฀in฀

accordance฀with฀the฀material฀of฀the฀ixing฀wall).

•฀ Insert฀the฀studs฀supplied฀into฀the฀mounting฀bracket.

3.5 

Equipment installation

G

•฀

Seal in and insert the twin nipples.

•฀ Push฀the฀cable฀grommet฀(4)฀over฀the฀power฀cable.
•฀ Slide฀the฀back฀panel฀over฀the฀studs฀and฀the฀cable฀grommet,฀pull฀the฀cable฀grommet฀with฀a฀pair฀of฀pliers฀

against the locking hooks and let both hooks audibly click into place.

•฀ Push฀the฀back฀panel฀irmly฀and฀lush฀against฀the฀wall฀and฀lock฀with฀the฀ixing฀toggle฀(11).฀At฀the฀bottom,฀

the device can be secure with 2 additional screws ( 

M

 24).

3.6 

Water connection

H

•฀ Position฀the฀threaded฀connections฀with฀lat฀packing฀onto฀the฀twin฀nipples;฀for฀this฀observe฀the฀correct฀

seating of the connections (never twist the bayonet closures inside the device).

Important information:

•฀ Thoroughly฀lush฀the฀cold฀water฀supply฀line.
•฀ If฀the฀correct฀function฀cannot฀be฀assured฀due฀to฀inadequate฀low฀pressure,฀e.g.฀<฀0.2฀MPa฀(<฀2฀bar),฀replace฀

the flow limiter ( 

O

฀29)฀and฀reinsert฀the฀proile฀washer฀(฀

O

 30). If necessary, increase the pressure in the 

water installation.

3. 

Standard Installation 

for contractors

Power: Unfinished walls - top; Water: Unfinished walls