Ariston ABS VLS EVO QH 100 [43/69] Maintenance regulations for competent person
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Ariston ABS VLS EVO QH 100 [43/69] Maintenance regulations for competent person

Ariston ABS VLS EVO QH 100 [43/69] Maintenance regulations for competent person

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the same characteristics type H05VV F 3x1 5 mm2 8 5 mm in diameter The power cord H05 V VF 3x1 5 mm2 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 The appliance must be earthed and the earth cable which must be yellow green and longer than that of the phases is fixed to the terminal marked by the symbol G Fig 7 and 8 Before starting up the appliance check that the power rating matches that given on the appliance nameplate If the appliance is not supplied with a power supply cable choose one of the following installation modes connection to mains with a rigid pipe if the appliance has no cable clamp use a cable with a minimum 3x1 5 mm2 section with a flexible cable type H05VV F 3x1 5mm2 8 5 mm in diameter if the appliance is supplied with a cable clamp Startup and commissioning Before powering up the appliance fill the heater with mains water To do so open the mains cock and the hot water tap until all the air has been vented from the boiler Check for water leaks from the flanges from the by pass pipe tighten down the bolts not too much if necessary C Fig 5 and or the rings W Fig 7 and 8 Power the appliance by actuating the switch NB for models equipped with user interface shown in figure 10 if you carry out horizontal installation you need to configure the correct display of the display by pressing the mode button and the eco button simul taneously for 5 seconds MAINTENANCE REGULATIONS for competent person O CAUTION Observe all general warnings and ning of this text in full all such instructions are obligatory safety standards listed at the begin 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 fig 2 Replacing parts The electrical parts may be accessed by removing the cover Fig 7 and 8 Intervene on the power board Ref Z by disconnecting the cables Ref C Y and P and remove the screws Intervene on the control panel by first removing the power board Ref Z The display board is attached to the product through two fixing side flaps A Fig 4a accessible from inside the lower cover Release the control panel fixing flaps using a flat screwdriver to pry upon the same A Fig 4b and release them from the pins simultaneously push it outwards to free it from the seat Repeat for both fixing flaps Pay special attention not to damage the plastic flaps as breaking them will not allow for correct assembly of the 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 To work on the heating elements and anodes first drain the appliance refer to the related paragraph Remo ve the bolts C Fig 5 and remove the flanges F Fig 5 The flanges are coupled to the heating elements and anodes During reassembly make sure to restore the rod carrying sensors and the heating elements to the original positions Fig 5 7 and 8 Make sure that the flange plate with the coloured writing H E 1 or H E 2 is mounted in its position marked by the same writing 43

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