Ariston ABS VELIS EVO QH D ABS VLS EVO QH 50 D [15/28] Startup and commissioning

the same characteristics (type H05VV-F 3x1.5 mm

2

, 8.5 mm in diameter. The power cord (H05 V VF 3x1.5

mm

2

diameter 8.5 mm) must be positioned in the special seat in the back of the appliance until it reaches the

terminal (M Fig. 7 and 8) then lock the individual wires, tightening the appropriate screws. Secure the power

cord with the included cable clamp.

To disconnect the unit from the electrical supply use a bipolar, switch conforming to CEI-EN standards (con-

tact opening at least 3 mm, better if equipped with fuses).

2

section;

-

2

, 8.5 mm in diameter) if the appliance is supplied with a cable

clamp.

Startup and commissioning

To do so, open the mains cock and the hot water tap until all the air has been vented from the boiler. Check

C

Fig. 5) and/or the rings (W Fig. 7 and 8).

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 calling your Technical Servicing Centre, check that the fault is not due to lack of water or power failure.

Emptying the appliance

The appliance must be emptied if it is to be left unused in premises subject to frost.

When necessary, empty the appliance as follows:

- disconnect the appliance from the electricity mains;

- turn off the domestic mains tap;

- turn on the hot water tap (wash basin or bathtub);

- open the drain valve B

panel in its seat, resulting in possible aesthetic defects. After removing the control panel, you can disconnect

the connectors of the rod carrying sensors and power board. Intervene on the rod carrying sensors (Ref.

K) by disconnecting the wires (Ref. F) from the control panel and remove it from its seat, taking care not to

excessively bend them.

During reassembly, make sure that all components are put back in their original positions.

-

ve the bolts (C

F

anodes. During reassembly, make sure to restore the rod carrying sensors and the heating elements to the