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Comparison Hotpoint-Ariston VELIS LUX PW ABSE DRY Wi-Fi 80 vs Hotpoint-Ariston VELIS LUX PW ABSE Wi-Fi 80

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Hotpoint-Ariston VELIS LUX PW ABSE DRY Wi-Fi 80
Hotpoint-Ariston VELIS LUX PW ABSE Wi-Fi 80
Hotpoint-Ariston VELIS LUX PW ABSE DRY Wi-Fi 80Hotpoint-Ariston VELIS LUX PW ABSE Wi-Fi 80
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Typestoragestorage
Energy sourcemainsmains
Installationuniversal (wall)universal (wall)
Tank volume
80 L /useful ~65 L/
80 L /useful ~65 L/
2 tanks
Tank shapeflatflat
Technical specs
Power source230 V230 V
Power consumption
2500 W /1500 W/
2500 W /1500 W/
Heating modes22
Max. water temperature80 °C80 °C
Tank lining
enamel /TitanShield/
enamel /TitanShield/
Water supplywith pressurewith pressure
Magnesium anode
Heating elements22
Heating element type
 
dry heater
wet heater
 
Features
Functions
thermostat
Smart (auto mode)
display
control via Intermet
thermostat
Smart (auto mode)
display
control via Intermet
Safety systems
overheat protection
frost protection
electrical protection (RCD)
safety valve
anti-legionella
overheat protection
frost protection
electrical protection (RCD)
safety valve
anti-legionella
General specs
Controlselectronicelectronic
Controls layoutfrontfront
Pipe connectioninstallation dependentinstallation dependent
Dimensions (HxWxD)107.3x51.1x27.5 cm107.3x51.1x27.5 cm
Weight27.5 kg27.5 kg
Added to E-Catalogaugust 2021august 2021

Heating element type

Open coil. The open coil is made from a high-resistance electrical wire enclosed in a thin insulating sheath. The main advantages of such an element are the heating rate, high efficiency and precise temperature control; in addition, scale is almost not formed on the spiral. And of the shortcomings — a low service life.

Wet heating element. Wet heater is a metal tube with a heating thread laid in the centre; the space between the tube and the thread is filled with an insulating material with good thermal conductivity. Heating elements heat up more slowly than open coils, have lower efficiency and are prone to the formation of scale on them; on the other hand, their service life is much longer, and in instant heaters, heating elements are not so sensitive to air pockets.

Dry heating element. A kind of heating element with an improved design: the heater tube is enclosed in an additional shell (most often made of metal with an enamel coating on the outside) and does not come into contact with water, hence the name. Thanks to this, the likelihood of scale formation is reduced, which is especially important when working with hard water. Also, the replacement of such elements is significantly easier than conventional ones. Among their shortcomings can be called a rather high cost.

Infrared heating element. Tu...bular electric heater of a special design: in the form of a transparent glass tube, in which the incandescent spiral is enclosed. The principle of operation of such an element is somewhat different from a conventional heating element: a significant part of the heating is provided by infrared radiation, which heats not so much the water as the walls of the tank — and heat is already transferred from them to the water. Thus, the water is heated not only at the point of contact with the heating element but also at the point of contact with the walls — which means that the heating is faster and more uniform. Also, note that the IR heater itself is usually "dry"; see above for the advantages of this design. The main disadvantages of such heaters are high cost and relatively short service life.

— Heat exchanger. It is used in gas and indirect heaters (see Water heater type). It is a metal structure heated by burning gas (in gas heaters) or passing inside a heated coolant (in indirect heaters). Usually has a ribbed shape. It is done to ensure the maximum area of contact with the heated water with relatively small dimensions — the larger this area, the more heat is transferred to the water per unit of time and the more efficient the heater is.
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