Ariston Ti Shape Small Manual de instrucciones para la instalación - Página 9
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Maintenance instructions
Replacement
Before starting any maintenance work, disconnect the apparatus from the
of particulars
electricity mains.
Before working on the heating element welded to the flange, remember
to empty the appliance. To do this, shut the main tap, open the drain of
the safety valve and turn on the hot water tap to empty the inlet pipe.
Disconnect the X and Y terminals and the earth one T unscrewing the nut
E fig. 5; take off the bracket close-flange S, then with nippers hold the Z
nut and then pressing on the flange G into the inside.
At this moment the flange can be taken away with a semicircular movement
as shown on fig. 4. During the reassembling phase, fig. 4, make sure that
the positions of the gasket, of the flange and of the thermostat are the
original ons referred to in fig. 5.
Periodic
In order to obtain the wished performance from the apparatus it is advisable
maintenance
to scale off the heating element R fig. 6 about every two years, depending
from the hardeness of the water.
If one does not wish to use suitable acids, the operation can be carried
out by crumbling the limestone crust making sure not to damage the
covering of the heating element.
The magnesium anode, N fig. 6 (for the models which have it), must be
replaced every 2 years.
To remove it dismantle the heating element and unscrew the anode from
the bracket.
Bipolar
In case of abnormal water heating, a thermal safety switch, according to
safety
the CEI-EN regulations, opens the circuit in both feeding phases to the
reactivation
heating element; in this case it is better to call the Technical Assistance.
Safety valve
In those models equipped with a safety valve with a lever, the latter can
be used, by lifting it up, to:
- empty out the appliance, if necessary
- check on a regular basis (every month) that the valve is operating correctly.
Useful hints
1) If hot water does not come out from the taps, before calling the Technical
Assistance, make sure that the water and electric links are as specified
in the relative paragraphs, or make sure of the continuity of the phases
between the clamps and the relative fastons on the thermostat, after taking
it off. In a negative case one can presume the intervention of the bipolar
safety (call the Technical Assistance).
2) If the warning light does not light up, but hot water still comes from the
apparatus, possibly it is only a faulty bulb.
For the replacement of the warning light bulb one takes away the thermostat
(unscrewing the two fixing screws), disconnects the connection fastons
L fig. 5 and slips out the bulb from the thermostat seat; insert the new
bulb and reassemble the thermostat. The level of water hardness must
never fall below 12° FR for the galvanic protection system to work well.
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