Buderus Logano G234 is a floor-standing gas cast iron boiler. The model is equipped with atmospheric gas burner, allowing for preliminary mixing of the incoming gas. The boiler power of this model is 60 kW.

Features of the Buderus Logano G234 model

• The models are equipped with a conversion kit. Its presence allows you to independently switch the boiler to consume another type of gas. For example, from natural to liquefied or a mixture of propane and butane.
• It is also possible to combine the boiler with other water heating systems and control units from the manufacturer.
• The heat exchanger in the boiler is made of cast iron. Thanks to this, its durability will allow it to “outlast” similar models with heat exchangers made of copper and steel.
• The burner design has no moving parts, which has a beneficial effect on its reliability. It is worth noting that, structurally, Buderus Logano G234 is supplied with an open combustion chamber. This involves their location in a separate basement, since the air to support the combustion process is taken from the room.
• Another advantage of choosing this model will be low level noise, due to which the boiler is practically inaudible during operation.
• The modular system for controlling and connecting other boilers and tanks suggests the possibility of increasing the capabilities of the heating system. Potential gas boiler already in the basic version it is enough to provide heating for a room of up to 400 m2.

Technical characteristics of the Buderus Logano G234 model

• rated heating output at natural gas is 60 kW,
• thermal combustion power - 65 kW,
• temperature flue gases escaping into the chimney - 95°C,
• the required draft level for correct operation of the boiler is 3 Pa,
• maximum permissible temperature supply line - 115°C,
• acceptable operating pressure should not exceed 4 bar,
• release of carbon dioxide no more than 5% at the moment maximum load, which makes this boiler model one of the most environmentally friendly and harmless to human health,
• the weight flow of the exhaust flue gases is 0.05 kg/s.

Installation of the Buderus Logano G234 boiler: step-by-step instructions

1. The boiler itself is supplied with a kit, which has a built-in flow fuse, a built-in burner and a control device, which is packaged separately from the overall structure.

2. During installation, it is worth considering that when installing the boiler it is necessary to leave free space from the walls. The distance from the back of the boiler wall to the wall of the room must be at least 50 cm, the same applies to adjacent wall, if you plan to place the heating boiler closer to the corner.

3. The floor surface itself must be flat. Even minor differences in floor level are not allowed. Since the boiler does not vibrate during operation, it is possible to adjust wedges or other gaskets under problem areas to ensure the stability of the structure.

6. Installation electrical system much more complex and includes many stages:

• First, remove the protective cover and the casings of the connecting terminals,
• the pressure control device is inserted into the grooves,
• the temperature sensor tubes are inserted into the cutout on the front of the casing,
• then the adjustment device is slightly shifted into the groove so that the rear elements fit into their grooves,
• the device is screwed to the housing cover,
• after this, according to the instructions, all elements in the electrical circuit are connected step by step.

It is important to remember that installation, connection and testing of the boiler’s functionality should only be carried out by a certified specialist representative of the company. Otherwise, warranty service agreements are automatically canceled.

After the boiler has been installed, all elements are checked to ensure they have the proper degree of tightness. When checking, the control pressure on the burner reaches 150 mbar.

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Buderus Logano G234-38 WS designed to continue to operate reliably even at a gas pressure of 10 mbar. It is extremely reliable and durable when operating at low temperatures. This became possible thanks to the use of special gray cast iron - a unique development of the Buderus company.

Buderus Logano G234-38 WS - features of a floor-standing gas boiler:

• The new design with a black front panel makes it easy to fit into any room.
• Perfect for installation in townhouses and cottages up to 380m2.
• Can only be used to heat water in heating and hot water supply systems.
• Easily combined with Logalux ST and SU water heaters.
• Supplied assembled with a built-in atmospheric burner for any type of gas.
• Easy maintenance due to minimal soot formation during fuel combustion.
• Smooth regulation of boiler water temperature.
• Thermal insulation 80 mm thick.
• Adjustable feet for easy height adjustment.
• Ionization flame control and double magnetic valve.
• The boiler heat exchanger is made of cast iron GL 180 M with special fins.

Depending on your requirements, you can equip it with a Logamatic 4211, Logamatic 2101 or Logamatic 2107 control system. Any of them can be upgraded using additional functional modules MM100/200, KM200, MC400, MS100/200. Compatible with BC30E, RC100, RC200, RC300, RC310 regulators.

Control system capabilities:

• Weather dependent operation.
• Control by 0-10V signal.
• Internet connection.
• Boiler and boiler control indirect heating, recirculation line, 3-way valve, cascade, solar system, mixing valve.

The modern floor-standing gas cast iron boiler Buderus Logano G234-38 WS is characterized by maximum efficiency and efficiency. Its efficiency reaches 92%. Thanks to its compact size and low noise, it can be installed in almost any room.

The German company Buderus, part of Bosch Thermotechnology GmbH, entered Russian market not so long ago - in 2004. Thanks to a professional approach to heating system As a whole, the manufacturer provides comprehensive supplies of energy-efficient heating equipment.

Among the innovative products Special attention Buderus boilers deserve, specifications which were developed by company specialists for economical, safe and environmentally friendly operation of the equipment.

Variety of models

The line of German-made heat generators is classified according to several parameters:

• Type of installation (wall or floor).
• Type of fuel used (diesel, gas, electric, solid fuel and combined).
• Type of combustion chamber (open or closed).
• Heat exchanger material (cast iron, copper or steel).

Simple and in an accessible way to comprehensively solve the problem of heating and hot water supply is to install a double-circuit wall-mounted boiler. Heating is carried out by a bithermic heat exchanger using the flow method up to 40-60 °C with a capacity of 10-15 l/min. This volume of flow is enough for a maximum of two water intake points located at a short distance from the source.

Representative dual-circuit model- the gas wall-mounted boiler Buderus Logamax U044-24K is a 24 kW circulation water heater that operates with strict priority on DHW. Thanks to the built-in turbine, it quickly adapts to the required volume of hot liquid at a given temperature.

A single-circuit heater is capable of providing heating in combination with a boiler indirect type. For example, the Buderus Logamax U052-28 domestic heating boiler operates according to classic scheme: the built-in three-way valve “recognizes” the DHW mode using the temperature sensor and switches the supply of coolant to the heat exchanger. This “union” of equipment guarantees a constant flow of hot liquid from 60 to 200 liters.

1. Gas boilers Buderus is produced with various functional characteristics:

• With forced or natural draft.
• Closed or open combustion chamber.
• Pressurized or atmospheric burner.
• With steel or cast iron heat exchanger.
• Single or double circuit.
• Power from 7.8 to 270 kW.
• Wall or floor.

The cost of mounted Buderus U072 gas boilers can be called affordable - from 26 thousand rubles, which is 2 times less than the price stationary option installations - from 61 thousand rubles.

2. Gas condensing boilers are environmentally friendly and economical compared to traditional ones. Thanks to the use of additional energy from exhaust combustion products, consumption was reduced and efficiency increased significantly (by 10%). Price range of more advanced energy efficient models starts from 60,000 rubles.

3. Solid fuel Buderus are presented in a traditional floor-mounted version. Aggregates long burning with a cast iron or steel body can operate autonomously or as backup units in series connection with boilers using alternative sources.

Gas generators increase thermal combustion efficiency solid fuel due to the pyrolysis process of decomposition organic matter. As a result of complete combustion of coal or firewood, there is virtually no release of organic gases into the environment. The main disadvantage is the price of pyrolysis solid fuel Buderus Logano.

4. Supercharged ones can operate on diesel or natural gas, depending on the type of burner, which is easily reconfigurable. Each design uses Thermostream technology, which protects against the formation of condensation and “thermal shock” of heat exchange surfaces. The low-temperature floor-standing combi boiler Buderus Logano G215, thanks to the optimized firebox design, consumes fuel economically, while providing high efficiency thermal transfers.

5. Electric models silent, compact and easy to use. Boilers with a power of 2-18 kW are supplied with expansion tank(7 l) and safety valve, which for more powerful options (22-66 kW) must be ordered separately.

Comparative characteristics of boilers from Germany Buderus

Model Buderus	Peculiarities	Price range, thousand rubles
Logamax plus GB072	wall-mounted condensing gas boiler; presented in 2 versions: single-circuit for 14, 24 kW and double-circuit – 24 kW; provision of domestic hot water using a stainless steel heat exchanger; built-in three-speed pump and 12 l expansion tank; Efficiency – up to 109%.	61,9 – 68,9
Logamax plus GB162	Buderus condensing unit; 3 power options – 65, 80, 100 kW; ALU plus technology with a new configuration of heat exchanger tubes guarantees maximum power with minimal dimensions; ETA plus and FLOW plus systems provide fuel efficiency and maximum use flue gas heat; Efficiency – up to 110%.	203,0 – 327,0
Logano plus GB312	stationary condensing gas boiler; compact, with aluminum heat exchanger; 6 power sizes: from 90 to 280 kW; Low noise and environmental emissions; Efficiency – up to 108%.	392,8 – 802,0
Logano plus SB745	condensing floor-standing Buderus power 800-1200 kW; compact: the combustion chamber is located at the top, and the Kondens heating surfaces are at the bottom; sound-absorbing channels to reduce noise; 2 return lines are connected with separation of high and low temperature circuits; Efficiency – up to 109%.	1 880,0 – 2 375,0
Logamax U072	gas wall appliance with closed camera combustion; power – from 12 to 24 kW; uninterrupted operation during gas and water pressure surges; frost protection; compact.	29,9 – 31,5
Logamax U052	gas mounted boiler Buderus 7.8-28 kW; single- and double-circuit models; closed combustion chamber; bithermal copper heat exchanger; possibility of connecting to a heated floor system; Efficiency – 90-92%.	37,7 – 83,1
Logano S111−2	solid fuel steel unit with power from 12 to 45 kW; coal and coke, models 32D and 45D are designed for wood use; a large loading chamber ensures a long combustion process; narrow dimensions.	38,3 – 75,8
Logamax E213	single-circuit electric boiler Buderus with a power of 4-60 kW; wall mounting; suitable for any heating system as a main or backup heat source; 2 types of configuration – with or without expansion tank; Efficiency – 99%.	41,2 – 70,7

Before purchasing a Buderus boiler, you need to familiarize yourself with the main characteristics of the units:

• Type of fuel. The choice of heat source depends on availability, cost and ease of use individually for each consumer. Before choosing Buderus solid fuel boilers, you should consider special room for equipment.
• Boiler power. This indicator directly depends on the area of ​​the heated structure and the degree of insulation and is determined by calculation.
• Installation type. Wall-mounted devices are compact and do not require a separate room for installation. But the higher technical characteristics of Buderus floor-standing boilers make it possible to use them at heat generating stations that can provide energy to municipal and autonomous enterprises, local heating networks and industrial heating systems.
• Heat exchanger material. The steel thermal transfer element is common due to its low cost and good ductility of the metal, but at the same time it is susceptible to corrosion and has a large volume, which entails excessive fuel consumption. Cast iron has high chemical resistance, but it is susceptible to cracking as a result of temperature changes, and the price is higher. Copper is the most corrosion-resistant metal, has low weight and excellent thermal conductivity.

User opinions about Buderus

“7 years ago gas was installed in the village - I purchased a Buderus Logamax U044-24K. The choice was made based on the type of installation: wall-mounted does not require a separate room and installation is simple. The power is enough for a house of 120 m2 and provides hot liquid for household needs.”

Anton Pirin, Ivanovo.

“We decided to buy a long-burning boiler Buderus in new house made of timber for 150 square meters. The bookmark is enough for 12 hours of work - morning and evening. There are no foreign odors or ubiquitous black dust. We connected an indirect heating boiler, now the wood-burning pyrolyzer heats the house and heats up the water.”

Anna Vanina, Moscow.

“After a long search for a heating boiler, we chose the Buderus Logamax plus GB072. The house is warm hot water around the clock. Despite the rather high cost, the condensing unit really allows you to save gas consumption - in two years, bills have been reduced by 15%.

Vlad Yatsenko, Krasnodar.

Work up to 12 hours, from one fill of fuel.

Maintaining the set temperature without human intervention. Easy to clean and maintain. Non-volatile.

Model range (kW) 12, 20, 24, 25, 32, 45

The extraordinary popularity of solid fuel boilers Buderus Logano S111 is caused by the design of maximum automation of the boiler, without the participation of electricity, which significantly increased the comfort of operation in non-volatile heating systems. There is no need to “stand over” it, the boiler will do everything itself. All that is required of you is to add fuel on time 2 times a day and remove ash as needed.

The steel solid fuel boiler Buderus Logano S111 has been developed since 1968, during which time it was received good design with a semi-automatic operating principle, using natural laws of nature, such as the force of gravity and thermal expansion. Let's take a closer look design features this wonderful boiler.

Semi-automatic fuel supply

Vertical loading from above made it possible to automate fuel supply using natural gravity. As the fuel burns, it sinks under its weight into the combustion zone, supplying a new batch at the right time.

After lighting the boiler and entering operating mode, you can fill in damper coal or firewood; by the time it approaches combustion, it will already be dried and prepared for combustion, which increases the efficiency of fuel combustion. (This condition applies to boilers from 20 kW and above)

Burning time of one fuel load, up to 12 hours

The large loading hopper has increased the time interval required to load a new batch of fuel. You can approach the boiler literally 2 times a day, morning and evening, adding a new batch of coal or firewood and removing ash if necessary.

High energy efficiency, up to 86%

The design of three-fold rounding of flat heat exchangers has significantly increased the efficiency of heat transfer to the water of the heating system. When passing through heat exchangers, hot flue gases have time to transfer heat and cool down to a temperature of 100 - 250 degrees, while in conventional furnaces the outlet temperature is about 600 degrees.

Refractory brick (fireclay) in the boiler design

The fireclay refractory brick used in the boiler design performs several functions. Placed in the place of direct contact with burning fuel, it protects the cooler heat exchanger (temperature up to 100 degrees) from the adhesion of resin and slag, and also, when heated, prepares a new batch of fuel for combustion and completely burns out the unburnt part in case of adhesion.
Another part of the fireclay, located above the combustion zone, stops the hot gases flowing into the channels of the heat exchangers, which promotes better heat transfer to the heating water.
And also, when heated, it burns out volatile substances released from the fuel during combustion, thereby achieving more complete combustion fuel.
To burn gases, additional air is supplied to the hot fireclay zone through air channels located on the sides of the boiler. The air supply is regulated by special valves.

Energy efficiency is 26% higher compared to conventional boilers

As a result of the above solutions, Buderus Logano S111 boilers achieved high energy efficiency: with coal it was 84%, with wood 86%.

For example, the energy efficiency of high-quality boilers of classical design reaches only 60%.

Automatic temperature control

The opening and closing of the combustion air damper is carried out by an automatic temperature controller from the well-known company Honeywell in the USA. The principle of operation is based on the thermal expansion of a substance sensitive to changes in the temperature of the boiler water.
When the set temperature is reached, the valve reduces the air supply, and when it drops, it increases it, automatically opening and closing the air damper.
There is a scale on the valve that allows you to accurately set the required water heating temperature.
After setting the temperature, the valve maintains the temperature at the same level without human intervention. Adjustment range, from 60 to 95 degrees.
The valve also protects the boiler from boiling and overheating
The air damper has a viewing window to monitor fuel combustion.

Shake grid

A specially designed grate system will eliminate the need to open the lid and stir the coals with a poker. To shake the grate, just lightly shake the lever on the left of the boiler. Ash and burnt residues will be collected in the ash box under the grates.

Workmanship.

German boilers Buderus Logano S111 are produced in Europe at the Czech plant Dakon, part of the international concern Buderus.
The special heat-resistant boiler steel used in the boiler design has a service life of at least 25 years.