General Notes - Giona SERIES RAPIDI 10 Montage-, Bedienungs- Und Wartungsanleitung

GB
5.3. Descaling (periodical).
To ensure good appliance efficiency it is advisable to periodically clean any scale from the heating element. The frequency of
this operation depends on the water hardness; proceed as follows:
5.3.1. Versions with external selector – heating element on flange
- switch off the power to the appliance;
- empty the tank (see section on emptying the appliance);
- remove the electrical protection cover (Fig. 13 Ref. 9) using a screwdriver;
- disconnect the electrical wires and indicator lamp from the respective terminals;
- remove the thermostat;
- remove the heating element fixed to the counterflange by means of an M6 hexagon-head screw;
- remove any scale and clean, taking care not to damage the heating element armour.
- refit, tightening the M10 nuts with torque setting of 12 Nxm; carry out in cross tightening order. Make sure to correctly position
the seal and the screws on which the nuts are tightened.
- carry out the specific instructions for connection and fitting the cover with external selector (Fig. 16, 17 and 18).
- fill the appliance according to the instructions given in the relevant section, then reconnect the power.
5.3.2. Versions with external selector – heating element on coupling
- switch off the power to the appliance;
- empty the tank (see section on emptying the appliance);
- remove the electrical protection cover undoing the fixing screws;
- disconnect the electrical wires from the respective terminals and remove the thermostat;
- remove the heating element using a suitable CH 55 spanner;
- remove any scale and clean, taking care not to damage the heating element armour.
- carry out the specific instructions for electrical connection (Fig. 2) and refit the cover (Fig. 13 Ref. 2)
- fill the appliance according to the instructions given in the relevant section, then reconnect the power.

5.4. GENERAL NOTES

Use equipment suitable for the purpose.
Always replace the seal gaskets and/or O-rings.
Only use original spare parts.
When refitting, make sure:
- the heating element is correctly housed and that the seals are correctly fitted;
- the thermostat is inserted in the housing of the heating element, pushing it all the way in but without any striking that can
damage it; make sure the internal male/female contacts are correctly inserted;
- for models with external selector follow the specific assembly instructions (Fig. 16, 17, 18);
- before reconnecting the power, fill the appliance (see the relevant section) and check for any water leaks.
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