Текст страницы
WARNING: scale buildup can cause damage to the tubular heater.
EN
Note: Damage to the tubular heater due to the formation of scale is not covered by the warranty.
Regular maintenance is not included in the manufacturer's and seller's warranty.
To carry out maintenance, it is necessary to do the following:
disconnect the EWH;
џ
let the hot water cool down or use it up through the mixer;
џ
shut off the cold water supply to the EWH;
џ
unscrew the safety valve or open the drain valve;
џ
put the rubber hose on the cold water supply nipple or the drain valve by directing the second end of
џ
the hose into the sewer;
open the hot water tap on the mixer and drain the water from the EWH through the hose into the
џ
sewer;
remove the protective cover, disconnect the wires, unscrew and remove the support flange from the
џ
case;
descale the tubular heater if necessary and remove the sediment from the tank;
џ
assemble, fill the EWH with water and switch on the power.
џ
when performing technical maintenance of the EWH by a specialized organization, a
џ
corresponding note must be made on the warranty card.
Possible malfunctions and methods of their elimination
In case of a malfunction in the work of the product, disconnect it from the electrical network, shut off
the water.
Malfunction
Possible cause
Solution
Remove the valve and rinse
it in water
Clogging of the inlet of the safety
valve
Hot water pressure from
the EWH decreased.
Cold water pressure is
the same.
Remove the flange and
descale the heater
Tubular heater is scaled up
Heating time increased
Voltage in the mains decreased
Contact the utility
The set temperature is close
to the limit
Frequent actuation of the
temperature switch
Turn the thermostat knob
towards decreasing the
temperature (–)
The thermostat tube is scaled up
Remove the removable flange
from the EWH and carefully
clean/descale the tube
18