14 | Εlectric water heater EN
mounted between the safety return-valve
and the water heater.
ATTENTION! Any other /old/ safety
return-valves may lead to a failure of
your appliance, therefore they must
be removed.
ATTENTION! Fixing the safety return-
valve to threads longer than 10 mm
is not allowed, as it could damaged
the valve and could make the use of
your appliance dangerous.
The boiler is filled with water by open-
ing the tap on the cold water supply
system and the tap on the hot water
mixing faucet. After the filling proc-
ess is complete, a constant stream
of water should flow from the water-
mixing faucet. Now you can shut the
hot water tap on the mixing faucet.
When you must empty the water heat-
er, you should first cut it off the
power supply.
Draining procedure for boilers de-
signed to be installed ABOVE SINKS:
1. First shut the cold water supply
valve
2. Open the hot water valve on the
mixing-faucet
3.The water tap 7 (fig 4a) must be
opened to drain the water from wa-
ter tank. If there is no such tap build
in the pipe line, than the water can
be drain as follow:
- Models equipped with safety valve
with lever - You can drain the water
from the water heater by lifting the
safety return-valve’s lever. Water
will drain from the safety return-
valve’s drainage opening
Models equipped with safety valve
without lever - water can be drain
directly from inlet pipe of water
tank after when you disconnect it
from water main
IMPORTANT: When draining the boil-
er, take measures to prevent damag-
es caused by the flowing water.
Draining procedure for boilers de-
signed to be installed UNDER SINKS:
1. Switch the boiler off the power sup-
ply network.
2. Dismantle the connecting water fit-
tings from the boiler.
3. Disassemble the boiler from its in-
stallation place, turn it so the pipes
point to the floor and pour the wa-
ter in a vessel you have prepared for
the purpose. Wait until all the water
drains out of the boiler.
Important: If the water supply pres-
sure exceeds the pressure indicated
on the appliance (outlined here
above in s. II and on the appliance's
rating plate), it will be necessary to
install a pressure-reducing valve;
otherwise the water heater will not
function correctly. The Manufactur-
er does not assume any liability for
problems arising out of the appli-
ance’s improper use.
3. Water heater’s electrical con-
nection (fig.3)
ATTENTION! Before you switch the
power supply, make sure the appli-
ance is full of water.
3.1. Models fit with power supply cord
combined with a plug shall be
plugged in a socket. The boiler can
be disconnected from the power
supply by unplugging.
3.2. Models without power supply
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