Vaillant electronicVED plus Operating And Installation Instructions page 7

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Material damage inside the unit caused by poor
quality water
An electronicVED plus electric instantaneous water
heater must only be used to heat up drinking water. This
drinking water must meet the specific German or Aus-
trian legal requirements for quality. Otherwise, it is not
possible to rule out the risk of corrosion inside the unit.
> Consult a competent person if you have any doubt as
to the requirements for water quality.
Risk of frost.
If an electronicVED plus electric instantaneous water
heater is placed out of operation for a relatively long
period of time in an unheated room in cold weather, the
water in the unit and pipes may freeze.
> Consult a competent person if you have any doubt as
to requirements.
> Ensure that your electronicVED plus electric instanta-
neous water heater is installed in a permanently frost-
free room.
Material damage to the appliance caused by changes
No changes must be made to your electronicVED plus.
In the event of a fault
> If your electronicVED plus is not producing hot water
or if any other fault occurs, inform your approved
heating specialist company.
> If the electronicVED plus ever malfunctions, inform
your approved heating specialist company.
> Do not carry out any repairs yourself.
> Do not open the unit cover under any circumstances.
Operating instructions for the electronicVED plus electric instantaneous water heater 0020149585_00
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Safety 2
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