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Comparison Kronas Eko Plus 24 24 kW vs Kronas Eko 24 24 kW

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Kronas Eko Plus 24 24 kW
Kronas Eko 24 24 kW
Kronas Eko Plus 24 24 kWKronas Eko 24 24 kW
Outdated ProductOutdated Product
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Energy sourcesolid fuelsolid fuel
Installationfloorfloor
Typesingle-circuit (heating only)single-circuit (heating only)
Heating area192 m²192 m²
Long burning
Technical specs
Heat output24 kW24 kW
Power supply230 Vautonomous (no electricity)
Coolant min. T60 °С60 °С
Coolant max. T90 °С90 °С
Heating circuit max. pressure2 bar2 bar
Consumer specs
Circulation pump
Boiler specs
Efficiency85 %85 %
Combustion chamberopen (atmospheric)open (atmospheric)
Flue diameter159 mm159 mm
Heat exchangercast iron
Connections
Central heating flow1 1/2"1 1/2"
Central heating return1 1/2"1 1/2"
Safety
Safety systems
water overheating
water overheating
More specs
Firebox size
 
 
550x295 mm
91 dm³
Dimensions (HxWxD)1030x645x1090 mm1030x645x1090 mm
Weight160 kg160 kg
Added to E-Catalogfebruary 2019december 2017

Power supply

The type of electrical supply required for normal operation of the boiler. Power supply may be required not only for electric models but also for other types of boilers (see "Power supply") — in particular, for the operation of control automation. Connection options can be:

230 V. Work from a household system with a voltage of 230 V. At the same time, models with a power consumption of up to 3.5 kW can be connected to a standard outlet, but for high consumption devices, you need to connect directly to the distribution board. Many of the electric boilers with this connection also allow operation from 400 V (see below).

400 V. Operation from a three-phase system with a voltage of 400 V. This power supply is suitable for boilers with any power consumption. However, it is not as common as 230 V: in particular, it may be difficult to use it in a residential area. Therefore, this option is provided mainly in high-power devices for which a 230 V power supply is not suitable.

— Autonomous work. Work in completely autonomous mode, without an electricity connection. This format of operation is found in all boilers that do not use electrical heating (see "Energy source"), except for purely liquid fuel ones — in them, electricity is necessary for the operation of the fuel supply systems.

Heat exchanger

The material of the primary heat exchanger, in which thermal energy from hot combustion products is transferred to the heat medium. The efficiency of the boiler, the heating rate and the service life of the unit directly depend on the material of the heat exchanger.

Copper. Copper is a material with the best heat dissipation specs and high corrosion resistance. It heats up quickly, which allows you to save energy during the operation of the heating boiler, has a low roughness coefficient, and has a long service life. The only drawback of this metal is its high cost. Copper heat exchangers are installed in heavy mid-range and premium grade equipment.

Aluminium. Aluminium as a heat exchanger material is characterized by excellent thermal conductivity and long service life. Moreover, it is cheaper than copper. To reduce the cost of production in copper heat exchangers, they try to reduce the wall thickness. You don't need to do this with aluminium.

Cast iron. Boilers with a cast-iron heat exchanger heat up for a long time and cool down slowly, retaining heat for a long time after heating stops. Cast iron is also notable for its high heat capacity and low susceptibility to corrosion. The service life of a cast iron unit can be 30 or 50 years. The reverse side of the coin is the huge weight and size of hea...ting equipment, which is why boilers with cast-iron heat exchangers are produced mainly in floor-standing boilers. In addition, cast iron does not tolerate sudden temperature changes — they can cause cracks.

Steel. Steel heat exchangers in heating boilers are the most widely used. Steel has a combination of high ductility and strength when exposed to high temperatures, is inexpensive, and can be easily processed at production stages. However, steel heat exchangers are susceptible to corrosion. As a result, they are not as durable.

Stainless steel. Stainless steel heat exchangers are rare in heating boilers, which is explained by the high cost of using this material. But they combine the advantages of both cast iron and steel. Stainless steel exhibits high corrosion resistance, resistance to thermal shocks, low inertia, and long service life.

Firebox size

The size of the furnace is described by two parameters:

1. directly by the dimensions, due to which it is possible to determine the appropriate size firewood for use with the boiler;

2. volume, which characterizes the amount of fuel used in the furnace.
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