Thermex N 10 U [18/42] Disposal
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Thermex N 10 U [18/42] Disposal

Thermex N 10 U [18/42] Disposal
WARNING: scale buildup can cause damage to the tubular heater.
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.
ENEN
Switched on EWH does
not heat water.
The indicator lamp is off.
Remove the removable flange
from the EWH and carefully
clean/descale the tube
The thermostat tube is scaled up
Contact the utility
No voltage
Turn the thermostat knob
towards decreasing the
temperature (–)
The set temperature is close
to the limit
Frequent actuation of the
temperature switch
Disconnect the EWH from the
mains, remove the protective
cover, press the switch of the
temperature switch until it
clicks (Fig. 2), install the cover
and switch on the power
The temperature was activated
or not switched on
The RCD was activated
(if available)
Press the reset button of the
RCD. Check the voltage
Possible cause
Solution
Voltage in the mains decreased
Contact the utility
Remove the flange and
descale the heater
Tubular heater is scaled up
Heating time increased
Remove the valve and rinse
it in water
Clogging of the inlet of the safety
valve
Malfunction
Hot water pressure from
the EWH decreased.
Cold water pressure is
the same.
Contact the service center
Network wire is damaged
The above-mentioned malfunctions are not defects of the EWH and should be eliminated by the
customer or by a specialized organization at the consumer's expense.
If it is not possible to remedy the malfunction with the help of the above-mentioned recommendations,
or in case of other problems, contact the service center specified in the operation manual.
Transportation and storage of electric water heaters
Transportation and storage of electric water heaters should be carried out in accordance with the
manipulation signs on the package:
1. 2. 3. 4.
1. Need to protect cargo from moisture;
2. Fragile cargo, careful handling;
3. Recommended temperature range of cargo storage: +10 °С to +20 °С;
4. Correct vertical position of the cargo;
The rules and conditions for storage and transportation are also indicated on the packaging of the
product.
Disposal
Subject to observance of the rules of installation, operation and maintenance of the EWH and
compliance of the quality of the used water with the current standards, the manufacturer sets for the
EWH the service life of 7 years from the date of purchase of the EWH. All components of the water
heater are made of materials that can be used, if necessary, for its environmentally safe disposal,
which must be in accordance with the rules and regulations of the country where the water heater is
used.
Manufacturer's warranty
The manufacturer sets the warranty period of 1 year for the water heater, while the warranty period for
the parts and components are as follows:
for water-containing storage (internal tank) – 7 years;
for other components (heating element, thermostat, indicator lamps, gaskets, temperature indicator,
RCD, safety valve) –1 year.
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