Maintenance And Servicing - Thermex Runa-Serie Gebrauchsanweisung

flask which houses heating elements. The water pipeline temperature may vary
considerably within a year: from 5°С in winter to 20°С in summer. That is why the water
flow at the outlet of the IEWH in winter may be significantly less than in summer while the
temperature remains consistent.
If you are not planning to use the IEWH for a long time, it should be
disconnected from the electrical network.
If you do not use the IEWH in winter and there is a risk of the water pipeline freezing
or IEWH freezing, it is recommended to de-energize the heater and discharge the water
from it.
The IEWH does not require any servicing by the user. Any repairs should mandatorily
be done by a licensed company.
In case of any failures, do not try to fix the appliance on your own. Please address
the nearest authorized service centre.
The body of the IEWH can be wiped with a slightly wet cloth. It is forbidden to use
any abrasive materials or aggressive chemicals. Clean the spraying nozzles of the shower
head and the faucet of contaminants regularly.
Check and clean regularly the filter located in the inlet cold water branch pipe of the
IEWH. The filter is accessed by disconnecting the IEWH from the cold water supply pipe.
Make sure that you disconnect the appliance from power supply and water supply.
Do not use the water from the IEWH for drinking.
Malfunction
The device does
not heat the water
The device is
leaking
The outlet water
temperature is too
hot, or the outlet
water volume is too
low
The safety valve
has tripped
8.

MAINTENANCE AND SERVICING

9. TROUBLESHOOTING
-Check the power connection
-Make sure that water flows freely through the appliance
-Make sure that the RCD or ELCB
scope of supply) did not work.
- Make sure that the filter located in the cold water inlet pipe of the
IEWH, as well as the spout aerator, are not clogged. If necessary,
clean them.
- Check the tightness of the connections of the water heater with the
cold water pipe, if necessary, install seals at the connection point.
- Check if the water pressure is too low, increase the water flow if
necessary
- Make sure that the filter located in the cold water inlet pipe of the
IEWH as well as the spout aerator, are not clogged. If necessary,
clean them.
- Disconnect the appliance from the mains and stop the water supply
- Insert the rubber plug of the safety valve (Fig. 1) into the starting
position
- Supply water to the IEWH, wait for the water to pour out of the spout,
stop the water supply. Check the density of all connections
- Connect the device to the power supply.
Remedy
(need to buy separately and not in
7