STIEBEL ELTRON
8
3. Maintenance for the qualied installer
Guarantee
For guarantees please refer to the respec-
tive terms and conditions of supply for
your country.
The installation, electrical
connection and rst operation
of this appliance should be carried
out by a qualied installer.
The company does not accept
liability for any failure caused
by inproper installation and / or
unauthorized installers.
Maintenance
Only to be carried out by a qualified
installer, in accordance with these
instructions.
When carrying out any work,
disconnect the device from
the electricity supply!
– Check the protective anode for the
first time after six month and replace
it if necessary. After replacement,
the installer has to decide when
next inspection is necessary.
– Carry out descaling of the device
only after removing the heating
element. Do not treat the surface of
the tank with descaling agents.
– In the event of the thermal cut-out
having operated (no through-flow),
replace the regulator/limiter
combination.
– Check the safety valve or safety
group regularly.
Draining the cylinder
Draining can be carried out via the
safety valve or through the addition-
ally fitted drainage tap.
Before draining the device,
disconnect the device from
the electricity supply!
– Close the isolating valve in the cold
water pipe.
– Open all hot water valves fully at all
draw-off points.
– Open safety valve or drain valve.
Hot water may emerge
during draining.
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