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Comparison Danko 10UV 10 kW vs Atem Zhytomyr-M ADGV-10 SN 10 kW

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Danko 10UV 10 kW
Atem Zhytomyr-M ADGV-10 SN 10 kW
Danko 10UV 10 kWAtem Zhytomyr-M ADGV-10 SN 10 kW
from $243.00
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from $239.20 up to $304.00
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Energy sourcegasgas
Installation
floor /parapet/
parapet
Typedual-circuit (heating and DHW)dual-circuit (heating and DHW)
Heating area80 m²80 m²
Technical specs
Heat output10 kW10 kW
Power supplyautonomous (no electricity)autonomous (no electricity)
Coolant max. T90 °С90 °С
Heating circuit max. pressure1.5 bar
DHW circuit max. pressure6 bar
Consumer specs
Performance (ΔT ~30 °C)3.67 L/min3.83 L/min
Circulation pump
Boiler specs
Efficiency90 %90 %
Combustion chamberclosed (turbocharged)closed (turbocharged)
Inlet gas pressure13 mbar13 mbar
Max. gas consumption1.2 m³/h1.11 m³/h
Connections
Mains water intake1/2"1/2"
DHW flow1/2"1/2"
Gas supply1/2"1/2"
Central heating flow1 1/2"1 1/2"
Central heating return1 1/2"1 1/2"
Safety
Safety systems
gas pressure drop
water overheating
flame loss
draft control
gas pressure drop
water overheating
flame loss
draft control
More specs
Dimensions (HxWxD)690x475x360 mm685x480x335 mm
Weight55 kg57 kg
Added to E-Catalogseptember 2015september 2014

Installation

Regarding the installation method, boilers are divided into two main types: wall and floor.

Wall-mounted boilers, as the name suggests, are designed to be mounted on a wall. They usually have low power, which makes it possible to do without a separate room for their installation, and relatively small dimensions, which allow the boiler to fit into the interior of a kitchen or bathroom.

Floor boilers usually have more power than wall-mounted ones, which accordingly affects their weight, dimensions and the installation method. The weight is also due to the presence of a cast iron heat exchanger, which is considered more reliable and durable than copper, steel or silumin. Most boilers with a power of 50 kW or more and almost all boilers with a power of 100 kW or more are floor-standing.

— Parapet. They are designed for installation close to the wall; at the same time, the installation itself can be both wall-mounted and floor-mounted, depending on the dimensions and weight of the unit. All parapet boilers are gas-fired (see Energy source) and have a closed combustion chamber (see below); in this case, the flue goes directly through the wall, near which the boiler is located. One of the key advantages of such devices is their small size; a parapet boiler is considered a good option for a small city apartment or a private house with small rooms. Also, the advantages of such dev...ices are that they do not burn the air from the room and immediately remove the products of combustion to the outside. In addition, many of the boilers of this type have convection holes and during operation they also play the role of heating radiators.

Heating circuit max. pressure

The maximum pressure in the heating circuit of the boiler, at which it remains operational, and there is no risk of physical damage to the structure. For a heating system, the maximum pressure is usually about 3 bar, and for a domestic hot water circuit up to 10 bar. When the maximum pressure is exceeded, a safety valve is activated, and part of the water is discharged from the system until a normal pressure level is reached.

DHW circuit max. pressure

The maximum pressure in the hot water circuit (DHW) at which it can operate for a long time without failures and damage. See "Heating circuit maximum pressure".

Performance (ΔT ~30 °C)

The performance of a dual-circuit boiler in hot water mode when water is heated by approximately 30 °C above the initial temperature.

Performance is the maximum amount of hot water the unit can produce in a minute. It depends not only on the power of the heater as such, but also on how much water needs to be heated: the higher the temperature difference ΔT between cold and heated water, the more energy is required for heating and the smaller the volume of water with which the boiler can handle in this mode. Therefore, the performance of dual-circuit boilers is indicated for certain ΔT — namely 25 °C, 30 °C and/or 50 °C. And it is worth choosing according to this indicator, taking into account the initial water temperature and taking into account what kind of hot water demand there is at the installation site of the boiler (how many points of water intake, what are the temperature requirements, etc.). Recommendations on this subject can be found in special sources.

We also recall that water begins to be felt by a person as warm somewhere from 40 °C, as hot — somewhere from 50 °C and the temperature of hot water in central water supply systems (according to official standards) is at least 60 °C. Thus, for the boiler to operate in the mode ΔT ~ 30 °C and give out at least warm water at 40 °C, the initial temperature of cold water should be about 10 °C (10 + 30=40 °C). A similar temperature can be found in wells in the warm season, and cold water in the ce...ntralized water supply system often warms up to 10 °C in the warm season. However, boilers, including dual-circuit boilers, are switched on mainly in cold weather, when the initial water temperature is noticeably lower. Accordingly, if the boiler is used as the main water heater, heating to the claimed temperatures (see "DHW min. T", "DHW max. T") often requires a greater ΔT than 30 °C, and the performance is less than indicated in this paragraph. But when operating in the preheating mode (when the water is heated to the desired temperature by an additional device like a boiler), this parameter describes the capabilities of the unit very reliably.

Max. gas consumption

Maximum gas consumption in the boiler with the corresponding energy source (see above). Achieved when the gas heater is operating at full capacity; with reduced power and consumption, respectively, will be lower.

Note that boilers of the same power may differ in gas consumption due to the difference in efficiency. While the more fuel-efficient models tend to cost more, the price difference pays off in gas savings.