Ariston Piccolo ARKS 50 설치 설명서 지침 - 페이지 11

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페이지 인쇄

All maintenance operations and service visits should be performed by a competent

person (who have the skills required by the applicable norms in force).

Before performing any maintenance operations and/or replacing any components,

disconnect the appliance from the electricity mains using the external switch;

empty out the water heater if necessary.

See warning nos. 20 - 26 - 28

Replacing parts, when necessary

To access the electrical parts (heating element, thermostat, pilot lamp), remove the

cover C by unscrewing screws D (fig. 4).

In the event of an intervention on the thermostat, disconnect the latter from the electricity

mains and slide it out of its seat on the heating element. In the event of an intervention

on the heating element, unscrew the bolts (A fig. 6) using a 10 mm spanner.

When remounting the components, make sure you put the flange seal, the thermostat,

the heating element and all pipes back in their original position.

We recommend you replace the seal each time you dismount the flange.

Once the aforementioned operations are complete, make sure you fill the appliance

with water before powering it.

Periodic maintenance

The following operations should be performed annually:

- empty the appliance and dismount the heating element;

- carefully remove all limescale from the heating element parts; if you prefer not to use

acids designed especially for this purpose, use non-metallic objects to break off the

limescale crust that has formed, taking care not to damage the heating element's

armour.

- We recommend you replace the seal each time you dismount the heating element.

To remount the heating element, the tightening torque of the bolts (A fig. 6) should be

between 7 and 10 N/m. You must respect the "criss-cross" type of tightening.

Once the aforementioned operations are complete, make sure you fill the appliance

with water before powering it.

Resetting the bipolar safety

In the event of an abnormal overheating of the water, a thermal safety switch in

compliance with CEI-EN norms cuts off the electrical circuit on both the power supply

phases of the heating element.

To reset the operation of the appliance, proceed as follows:

- leave it to cool;

- set the knob (F fig. 6) to the maximum temperature position;

- remove the cover C by unscrewing screws D (fig. 4);

- disconnect the thermostat (T fig. 6) from the electricity mains;

- using a cross-head screwdriver, press on point A fig. 9 until you hear it click.

Remount everything in the reverse order, paying particular attention to repositioning

the components correctly.

Once the aforementioned operations are complete, make sure you fill the appliance

with water before powering it.

USER INSTRUCTIONS

WARNING! Follow the general warnings and the safety norms listed at the

beginning of the text and keep to all the instructions given under all circumstances.

Supplied By www.heating spares.co Tel. 0161 620 6677