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13 USE AND MAINTENANCE OF HEATER
Once connected to the water and power supply networks, the heater is ready for use.
The electric heater operation is indicated by an indicator that is on until the water in the heater is heated to
the set temperature. As a result of heating, the water volume increases, which causes the dripping of water
from the pipes of the mixing tap and for pressure connections it causes dripping from the safety valve. Firm
tightening of the handle on the mixing tap does not prevent dripping, but you can damage the tap.
If you do not intend to use the heater constantly, you must protect the water in the heater from frost by not
turning off the power completely, just putting the heater in standby mode. In such a condition, the heater
keeps water at the approximate temperature of 5-8 °C. If you take the heater off the power supply, you have
to drain the water from it if there is a risk of water freezing inside. Clean the outer parts of the appliance with
a mild detergent solution. Do not use thinners or other concentrated cleaning agents. Regular service
inspections ensure trouble-free operation and long service life of the heater.
Repetitive water heating causes lime scale sediments on both the vessel walls and mainly on the flange lid.
The sediments depend on the hardness of heated water, its temperature and on the volume of hot water
used.
We recommend that the heater is first inspected by a specialist, approximately after two years
after its commissioning.
During the inspection the scale, that accumulates inside the heater, depending on the quality, amount and
temperature of the water consumed, will be removed as needed. The service department ensures the
inspection of the heater and, taking into account the identified situation, it recommends the date of the next
inspection.
CAUTION: Prior to any intervention inside the heating element, disconnect the appliance from
the power supply
Do not attempt to repair the heater by yourself, call the nearest authorised service centre to do
so.
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