AEG DDLE LCD 18 - Page 27

27
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For contractors
• Observethetypeplate (
A
18).
• See"5.1Specication".
The specic electrical resistant of the water used must not fall below that stated on the type plate. In a
linked water network, observe the lowest electrical water resistance (see "5.2 Application areas"). Your
water supply company will advise you of the specic electrical water resistance or conductivity.
• Installthedeviceonlyinanenclosedroomfreefromtheriskoffrost.Storethedismantleddeviceina
room free from the risk of frost, as water residues remain inside the device.
• TheprotectionIP25(hoseproof)canonlybeensuredwithacorrectlyttedcablegrommet.
• Water installation:
– Cold water line material:
Steel, copper or plastic pipework.
– DHW line material:
Copper or plastic pipework*.
* The instantaneous water heater can reach operating temperatures up to 60 °C. In case of faults, loads
up to 95 °C / 1.2 MPa can occur temporarily in the installation. Any plastic pipework used must be suitable
for these conditions.
• Asafetyvalveisnotrequired.
• Neverusetaps/valvesforopenventedequipment.
• Forthermostaticvalves,see"1.6Recommendedadjustment".
• Electrical installation:
• Useonlypermanentlywiredpowercables.
• Theequipmentmustbeabletobeseparatedfromthemainspowersupply,forexamplebyfusesthat
disconnect all poles with at least 3 mm contact separation.