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ABS VLS EVO QH 100
Инструкция по эксплуатации Страница: 42

Ariston ABS VLS EVO QH 100 [42/69] Hydraulic connection

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In the case of walls made of bricks or perforated blocks partition walls featuring limited static or masonry different in some way from those stated you first need to carry out a preliminary static check of the support ing system The wall mounting fastening hooks must be designed to support a weight that is three times higher than the weight of the water heater filled with water Fastening hooks with a diameter of at least 12 mm Fig 3 are recommended We recommend installing the appliance A Fig 1 as close as possible to the delivery points to minimise heat loss along the pipes Local regulations may provide for restrictions on installation in bathrooms observe any regulatory minimum distances To facilitate maintenance make sure there is a clearance of at least 50 cm inside the enclosure for access to the electrical equipment Multi position installation The product can be installed both vertically and horizontally Fig 2 During horizontal installation rotate the appliance clockwise so that the water pipes are located to the left cold water pipe at the bottom HYDRAULIC CONNECTION Connect the water heater s inlet and outlet with pipes or fittings that are able to withstand temperature in excees of 90 C at a pressure exceeding that of the working pressure Therefore we advise against the use of any materials which cannot resist such high temperatures Screw a T piece union to the water inlet pipe with the blue collar On one side of the T piece union screw a tap for draining the appliance that can only be opened with the use of a tool B fig 2 On the other side of the T piece union screw the safety valve supplied A fig 2 CAUTION For those nations that have taken on European norm EN 1487 the pressure safety device pro vided with the product does not comply with that norms According to the norm the device must have a maximum pressure of 0 7 MPa 7 bar and have at least a cut off valve a non return valve a control mechanism for the non return valve a safety valve and a water pressure shut off device Some countries may require the use of alternative safety devices as required by local law the installer must check the suitability of the safety device he tends to use Do not install any shut off device valve cock etc between the safety unit and the heater itself The device relief must be connected to a relief pipe that has a diameter at least identical to the one of the equipment connection Use a funnel that creates an air gap of at least 20 mm and allows visual checks so that no personal injury property damage or damage to animals will occur in case of safety device enabling The manufacturer will not be held responsible for such damage Connect the inlet of the pressure safety device to the cold water system using a flexible pipe using a cut off valve if necessary D fig 2 In addition a water discharge tube on the outlet C fig 2 is necessary if the emptying tap is opened When tightening the pressure safety device do not over tighten and do not tamper with it It is normal for wa ter to trickle from the tap during the heating phase for this reason it is necessary to connect the drain which must always be left exposed to the atmosphere with a drainage pipe that is installed sloping downwards in a place with no ice If the network pressure is closed to the calibrated valve pressure it will be necessary to apply a pressure reducer far away from the appliance To avoid any possible damage to the mixer units taps or shower it is necessary to drain any impurities from the pipes The appliance must not be supplied with water of hardness less than 1 2 F nor with especially hard water greater than 25 F we recommend installing a water softener properly calibrated and controlled do not allow the residual hard ness to fall below 15 F Before using the appliance we recommend filling its tank with water and draining it completely so as to remove any residual Electrical connection Before performing external switch any operations disconnect the appliance from the electricity mains using the Before installing the appliance it is recommended to thoroughly check the electrical system to verify compliance with established regulations the manufacturer is not liable for damage caused by lack of grounding or anoma lous power supply Check that the system is suitable for the maximum power absorbed by the water heater please refer to the data plate and that the cross section of the electrical connection cables is suitable and complies with current laws The use of multiplugs extensions or adaptors is strictly prohibited It is strictly forbidden to use the piping from the plumbing heating and gas systems for the appliance earth ing connection If the appliance is supplied with a power supply cable should the latter need replacing use a cable featuring 42

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