How effective are gas boilers in Zhytomyr and their advantages. Gas boilers Atem Zhytomyr - technical characteristics of floor-standing models

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Editor Kotlotorg 10/27/2020

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Lemax boilers are a Russian manufacturer. Taganrog view products

Zhitomir boilers are produced in Ukraine by the Atem plant. Zhitomir. view products

To decide on the choice of boiler, go to the catalog of household boilers and use the filter. After filtering the boilers according to the required parameters, add the ones you like to the comparison list. Our website allows you to make the most correct choice of heating systems and boiler equipment.

Below is a comparison table between Zhitomir and Lemax boilers selected according to similar parameters. At the end of the article you can leave your feedback in the comments.

general review
Description
Company/Partner
Availability
User rating
Review
Boiler connection
Gas connection pipe
Heating circuit connection pipe
DHW circuit connection pipe
Dimensions
Dimensions
Technical characteristics of hot water boilers
Heated area, m2
Boiler technical characteristics
Efficiency
The principle of operation of a gas boiler
Boiler type
Number of circuits
Max. thermal power
Natural gas
Bithermic heat exchanger
Non-volatile
Burner
Maximum water pressure in the heating circuit
Minimum coolant temperature
Nominal natural gas pressure (min.)
Natural gas consumption
Liquefied gas
Control
Built-in circulation pump
Built-in expansion tank
Built-in boiler
Comfort
Power-on indication
Pressure gauge
Flame modulation
Connecting a heated floor
Connector for connecting external control
Thermometer
Outdoor temperature sensor
Room thermostat
Programmer
Remote control
Boiler safety
Gas control
Safety valve
Air vent
overheat protection
Auto diagnostics
Frost protection
Pump blocking protection
Dimensions
Weight
Specification
Manufacturer
Chimney diameter
Primary heat exchanger material
Auto-ignition
Accommodation
Display

User manual

Before starting to use the Zhytomyr equipment, it is necessary to carry out high-quality installation of the product and check the pipes, especially if the boiler is a double-circuit boiler.
Next, the first launch is made. And after that the boiler enters the standard operating process. According to the standard scheme, you need to turn on the device, light the wick, then adjust the heat supply. After these manipulations, you can change the settings to reduce heating or, conversely, increase it. At the end of the cold season, the boiler must be turned off for the warm period, since it is not needed, which will eliminate unnecessary waste of the device’s potential. In some cases, after a warm period during connection, it is not possible to light the boiler, the igniter goes out. This may be due to weakened draft, weak gas pressure, or a malfunction of the valve responsible for the gas supply.

It is very rare that the gas valve fails to start during use. The reasons for this may be broken contacts, poor quality of the pilot burner, or an incorrectly installed thermocouple. Troubleshooting is simple - you just need to check the contacts

It is necessary to pay attention to the height of the flame. It should be at least 2.5 cm. You can try to reinstall the thermocouple or replace it altogether

Then check and light the boiler the first time

You can try to reinstall the thermocouple or replace it altogether. Then check and light the boiler the first time.

As for the model range of Zhytomyr boilers, in general you can hear only positive reviews. Ideal heating and the ability to regulate the temperature allow you to feel comfortable throughout all the cold weather. A fairly simple mechanism for turning on and setting - just a few knobs and pointers that tell you what needs to be done.

In addition, Zhitomir boilers have a protection system against lack of draft in the chimney system, as well as protection against overheating of the device. In all cases, the gas supply is shut off, which is a big difference in the troubleshooting process. Otherwise, Zhytomyr gas boilers are a shining example of quality and reliability. They are in great demand on the world market. The technical characteristics of Zhitomir boilers allow connection to be made in almost any designated place. Boilers “Zhitomir” are, first of all, a concern with which you can forget about the costs of heating your home using electric radiators, as well as excellent quality at an affordable price.

A review of the Zhitomir gas boiler is in the next video.

Characteristics

Today, products represented by Zhitomir boilers are the most modern and in demand. To understand why this particular brand has received consumer recognition, it is necessary to consider the model range in more detail. Each individual piece of equipment has a huge advantage over similar devices from other manufacturers. There are disadvantages in Zhitomir boilers, as in any product, but the presence of advantages outweighs the significance, showing that the equipment has much more advantages.

Gas boilers "Zhitomir" have a number of advantages, due to which they are in high demand on the market.

The heat exchanger of the device is steel. Thanks to this, the water receives maximum heat that is generated during the combustion of gas.
The design of the burner is thought out to the smallest detail. It is this feature that helps to increase the productivity of the device, and the level of emission of harmful impurities is minimal.
Imported automation of each boiler allows us to achieve the most suitable characteristics.

Ease of device management. There are no unnecessary buttons or switches.
The design of the equipment is developed according to the latest fashion. The boiler does not take up much space, and in appearance it looks like a small bedside table that fits into any environment.
During the production process, each individual model undergoes several stages of international standard testing. And after completing all tests, he receives a quality certificate.

Many settings in the Zhytomyr boiler system allow you to choose the optimal and comfortable state for yourself. Special sensors, which the system is also equipped with, monitor the safety of the device and uninterrupted operation. Considering all the advantages described above, we can safely say that Zhitomir boilers are ideal for heating private houses and will do their job well in apartments and other rooms. It is worth noting that not only the beautiful design and ease of use attract consumers, but also the price issue.

Rules for filling the system with water before turning on the gas boiler

In the instructions for the boiler you need to find out where exactly it is located (in the lower part of the boiler body) and what the valve for connecting to the water supply looks like. It needs to be opened slightly so that water slowly begins to flow into the system. Smooth filling reduces the amount of air in the radiators.

You can find out that there is enough water in the pipes by reading the pressure gauge. The instructions for a specific boiler model indicate its operating pressure. You need to stop starting the water when the arrow shows pressure close to the highest limit. For example, if the maximum pressure is 3 Atm., you can stop at 2.5 Atm.

Gas and water supply

Now you need to bleed the air and then pressurize the system.

Work with coolant must be carried out at positive room temperatures, otherwise water may form plugs. If the launch takes place in winter, the rooms are heated with heaters.

How effective are gas boilers Zhitomir and their advantages

Autonomous heating systems are relevant if it is not technically possible to connect an apartment or house to a centralized system. Gas boilers Zhitomir are quite popular among residents of our country.

The products have excellent technical characteristics, are of high quality, and adapted to Russian conditions of use.

In addition, if you look at reviews on the global network, you can understand that many users are attracted by the reasonable price.

Under the brand in question, heating boilers were born 27 years ago. Since then, the products have undergone many upgrades. In order to meet modern requirements and not lose its leading position, the manufacturer is constantly improving and finalizing its product.

General information

The modern gas heating boiler ATEM Zhytomyr has high performance and compact dimensions. The use of foreign automation allows us to achieve optimal performance.

The user has access to many settings, which allows him to maintain the desired temperature in the room. Sensors will ensure that everything works without interruption. Consumers love Zhytomyr boilers, and reviews emphasize the optimal price-quality ratio.

Advice! The cost of a Zhitomir boiler today is 12-45 thousand rubles. Moreover, products at the upper price range have high performance and are capable of heating large areas of premises, suitable for heating multi-storey private houses. For heating a small house or apartment, a modification in the middle price range, up to 20,000 rubles, is suitable.

Floor standing boilers

In turn, a floor heater is divided into:

single-circuit,
double-circuit.

A single-circuit floor-standing gas boiler only powers the heating system. It is extremely economical, thanks to the use of imported automation, which switches the system to energy saving mode as soon as the installation reaches the set temperature.

And at the moment when the temperature drops below a predetermined level, the single-circuit unit lights up at full strength. High-quality components allow you to withstand multiple on/off cycles throughout the heating season.

If you need to not only heat the premises, but also get hot water, you should buy not a single-circuit, but a double-circuit boiler Zhitomir. It has a higher cost, but can perform two options at the same time.

To connect the device, you will need to connect two additional pipes. In the product, the heating circuit operates independently of the hot water preparation circuit.

When choosing a floor-standing boiler in Zhytomyr, you should pay attention to the technical characteristics. So, all floor-standing models have:

Efficiency 92%,
maximum coolant temperature 90 °C,
minimum operating gas pressure 635 Pa.

Moreover, each specific model has:

power, ranging from 7 to 60 kW.
the amount of coolant in the boiler ranges from 14 to 70 liters.
natural gas is consumed in the range of 0.76 - 6.8 cubic meters per hour.
If we consider a double-circuit floor-standing boiler, then its DHW capacity is in the range of 175 - 1400 l/s.

Wall boilers

Just like a floor-standing boiler, a hanging boiler can have one or two circuits. The entire model range has the same efficiency characteristics, maximum coolant temperature and minimum operating gas pressure - 90%, 90 °C, 635 Pa, respectively:

The power range of wall-mounted boilers is from 5 to 15 kW.
The amount of coolant in the boiler is from 5 to 17.5 liters.
natural gas is consumed in the range of 0.56-1.67 cubic meters per hour, depending on the specific model.
The suspended double-circuit boiler has a capacity for the hot water preparation circuit ranging from 160 to 345 l/h.

As you can see, the wall-hung and floor-mounted single-circuit boiler Zhitomir can operate in conditions where the gas in the mains has low pressure. The disadvantages of the products of the brand in question include the low permissible coolant pressure in the heat exchanger:

floor-standing versions have an indicator of up to two kgf/m2,
wall-mounted – up to zero point seven kgf/m2.

For comparison, foreign boiler models can operate with pressures of up to three kgf/m2. This indicates that Zhitomir gas units are more suitable for independent heating systems of a small house, the number of which is no more than two.

Range of gas parapet boilers

The parapet-type gas boiler “Zhytomyr” is an inexpensive device for organizing water heating of a small country house with an area of up to 150 m². It successfully combines elements of turbocharged and atmospheric boilers - a closed combustion chamber and a coaxial chimney in the absence of a blower fan.

The movement of gases through the coaxial chimney of a parapet heat generator occurs naturally, without a fan or smoke exhauster

Principle of operation. The heat generator, suspended from the wall near the floor, burns natural or liquefied gas without pressurization. Combustion products are thrown out through an internal short pipe passing through the wall. Air enters the firebox through the external channel (outer pipe) naturally. New versions are equipped with 2 separate pipes - smoke and air.

The line of parapet models "Zhitomir-M" includes 5 single-circuit and 4 double-circuit boilers, designated by the abbreviation AOGV-SN and ADGV-SN, respectively. Thermal power of the devices is 5, 7, 10 and 15 kW. Let's reveal the design features of heaters:

the material of the main heat exchanger is steel, the secondary heat exchanger for hot water supply is copper;
combustion chamber – completely closed;
burner - tubular type, safety automatic - gas valve SIT 630 made in Italy;
ignition – piezoelectric, from a button on the valve;
4 fittings DN40 for connecting the heating system - two on each side of the housing.

The boiler comes complete with a gas-air unit (otherwise known as a coaxial pipe), a flexible pipe for connecting to the gas main, fasteners and an asbestos sealing cord. The cost of a single-circuit unit with a power of 5 kW (heated area - 50 m²) is 270 USD. e., double-circuit 15 kW - 475 USD. e.

New version of wall heat generator with separate pipes for air and flue gases

Reference. Up-to-date information on the pricing policy and offered models of heat generators can be found on the official resource at: shop.atem.ua.

Specifications

The Zhitomir-M parapet boiler has the following operational parameters:

fuel efficiency (EF) – 90%;
minimum inlet gas pressure – 6.4 mbar, maximum – 17.6 mbar;
operating pressure in the heating system – 1.5 Bar, maximum permissible – 2 Bar;
coolant temperature at the outlet of the heat exchanger – no more than 90 degrees;
the amount of water in the boiler jacket is from 5 to 19 liters;
maximum pressure from the cold water supply – 6 Bar;
The dimensions of the largest device in the line are 360 x 495 x 825 mm (LxWxH).

Natural gas consumption, hot water output and the size of the chimney duct depend on the power of the heater. The specified characteristics are presented in the table, in more detail on the manufacturer’s website.

Advantages and disadvantages

The most important advantage of Zhytomyr parapet boilers is the price that is affordable for people with average and low incomes. Heating installations can be freely purchased in Ukraine and the CIS countries.

Let us list the other advantages of chimneyless heat generators:

Energy independence. The boiler does not require electricity, although it can work in conjunction with an external circulation pump.
Small size and simple design.
Reliability and safety provided by proven gas automatics from the EuroSIT brand.
A full-fledged smoke channel is not required.
The double-sided arrangement of the fittings expands the possibilities for connecting heating network pipes.

Important point. You should not perceive the listed nuances only in relation to Zhytomyr devices. The market is saturated with parapet clone boilers with similar pros/cons.

Design diagram of a double-circuit version of the heater
Despite the low threshold of permissible coolant pressure (2 Bar), wall-mounted boilers can operate as part of closed systems with a membrane expansion tank. The main thing is to maintain the specified threshold when filling with water and adjust the pressure inside the air chamber of the tank according to the instructions.

Since we profess the completeness and reliability of the published information, we will reveal the shortcomings of the Zhitomir-M heaters:

The degree of automation of the boiler is minimal and includes only a set of safety functions - protection against attenuation, overheating and a critical decrease in pressure in the gas pipe.
If the wall faces a windy passage, the burner may periodically go out. The problem is solved by installing an additional screen on the windward side of the chimney.
The performance of the hot water heat exchanger is enough to serve 2 consumers with low consumption. If you turn on the shower and the kitchen faucet at the same time, the water temperature will become uncomfortable for washing.
A constantly burning pilot light wastes fuel. This fact is critical for residents of Ukraine and other countries with high prices for main gas.
Manual ignition mechanism.

All safety, heating control and gas supply functions are concentrated in the 630 SIT valve.
The disadvantages of heat generators are not critical and are a consequence of the maximum simplification of the design and cost reduction. At the same time, the service life of inexpensive Zhytomyr boilers reaches 15 years, taking into account minimal maintenance.

Varieties

Today, several types are involved in the production of Zhytomyr boilers - parapet (wall-mounted) and floor-mounted. In turn, floor products also have divisions into single-circuit and double-circuit.

Floor-standing

If a gas boiler is needed only for heating purposes, attention should be paid to single-circuit models. They are unpretentious, practical and economical

The equipment of the single-circuit boiler “Zhitomir” primarily involves imported components. Thanks to them, the device can be turned on and off if necessary. And if there is a need, in addition to heating, to have hot water in direct access, you will need to choose from dual-circuit options.

In terms of their technical characteristics, floor-standing boilers mostly have the following similarities:

the maximum temperature limit is +90 degrees;
efficiency is 92%;
gas pressure – 635 Pa.

But when choosing a model you definitely like, you need to consider its specific characteristics and capabilities.

Wall mounted

The same separation as in floor-standing boilers is also present in wall-mounted boiler models. They can also be single-circuit or double-circuit. The efficiency of all devices is the same. The same applies to gas pressure.

But it’s still worth considering their characteristics in more detail:

the power of parapet boilers must be no less than 5 kW and no more than 20 kW;
the coolant in the device is no more than 17.5 liters;
depending on the chosen model, natural gas consumption is considered; according to the standard - 0.56–1.67 cubic meters per hour;
profitability due to imported automation.

For its part, the manufacturer provides a wide range of boilers to choose from, but the Zhitomir-3 KS-G-020 SN model is still in great demand. This device differs from its counterparts not only in terms of availability in terms of price, but also has clear technical data. The design of the device is designed in a minimalist style; the appearance of the boiler looks like a cabinet. It should only be placed on the floor. On the front of the model there is a small door behind which hides a button for turning on and adjusting the device settings. In the same part there is a control window, with the help of which you need to monitor the performance indicators of the boiler.

The basic package includes a housing, which also includes heat exchanger elements. On the outside, it is covered with heat-insulating material and a casing made of steel. The burners are presented in two pieces: one is the main one, and the second is the ignition one. The package includes a gas duct and an automatic gas valve, which is responsible for safety during operation.

Floor-standing boilers "Zhytomyr-3"

The reliability of the stationary units of the model range has been tested by many years of practice. Heaters “Zhitomir-3” are among the most popular; they are recommended to be purchased by gas service technicians.

Explanation. Gas workers really “love” the floor-standing boiler models of the Zhytomyr brand. The design is simple and reliable, malfunctions occur extremely rarely, and accordingly, the technician has less work to do.

The line includes 18 devices - 9 single-circuit models KS-G-SN and 9 heat generators KS-GV-SN with an additional water heating heat exchanger. Main characteristics of boilers:

range of covered powers - 7...60 kW, efficiency - 92%;
the material of the main heat exchanger is carbon or stainless steel, the secondary coil is copper;
burner – tubular micro-flare from Polidoro, combustion chamber – open type;
there is a constantly burning igniter, which is ignited by a piezoelectric element button;
operating coolant pressure – 1.5 Bar, maximum – 2 Bar, permissible pressure in the water circuit – 6 Bar;
recommended temperature schedule - 60...80 °C, maximum - 90 degrees, at 95 °C the overheating sensor is triggered;
removal of combustion products through a traditional chimney with natural draft.

Note. The KS-G-045SN and KS-GV-045SN units with a power of 45 kW are designed for higher coolant pressure: operating pressure - 2 Bar, maximum - 3 Bar.

Design Features

According to the requirements of the regulations, the Atem floor-standing boiler is equipped with an automatic safety system that interrupts the fuel supply to the igniter and the main burner based on four factors: a drop in gas pressure below 6.4 mbar, spontaneous extinguishing of the flame, lack of chimney draft and overheating of the coolant. The shutdown function is performed by an automatic gas valve, whose model depends on the performance of the unit:

7…16 kW devices are equipped with 630 SIT automation.
Heat generators with a capacity of 22.5…31.5 kW are equipped with 710 MINISIT valves.
Boilers with a power of 40 kW and more are equipped with automatic gas blocks SIT 820 NOVA.

Reference. The latest series of Italian valves 820 NOVA is equipped with a connector for connecting weather sensors and room thermostats. You will find more information on the operation of gas boiler automation in our separate review.

The second important feature of domestic heaters is the design of the DHW circuit. The heat exchanger is a copper coil immersed in the water jacket of the apparatus. Therefore, the temperature of the water going to the hot water supply depends on the degree of heating of the coolant in the boiler tank.

In the summer, the operation of the water supply circuit is ensured by piping the boiler - a pipe jumper with a tap is placed between the supply and return. When the heating of the house is turned off, this tap opens, and the heating system is cut off by other fittings. The coolant begins to circulate in a small circle, as shown in the diagram.

For summer operation of the DHW circuit, the manufacturer suggests looping the supply with the return, maintaining the connection between the boiler and the expansion tank

Advantages and disadvantages

The main advantage of floor-mounted heat generators “Zhitomir-3” remains high reliability at low cost of equipment. A single-circuit boiler with a thermal power of 7 kW will cost approximately 300 USD. e., with a water circuit – 340 USD. e.

The remaining advantages of water heating devices look traditional for the Atem brand:

simplicity of design and unpretentiousness in operation;
non-volatile – the boiler does not require power supply;
long service life;
models with automatic SIT 820 NOVA can be connected with external control devices - thermostats and weather sensors.

Addition. The new generation of KS-G-SN models with a power of 10...30 kW is equipped with an Atem-Start lightweight ignition system. The start button is located on the front panel of the boiler.

The units are adapted to work in open-type gravity and pump heating systems. Use as part of a closed circuit with forced circulation is allowed, provided that the operating pressure of the coolant does not exceed 1.5 Bar (short-term - 2 Bar). Let us remind you: the KS-G-045SN modification can withstand 2 and 3 Bar, respectively.

The disadvantages are similar to those of parapet boilers, except for blowing the burner through a coaxial chimney. If the flue pipe is built correctly - the cross-section (diameter) and the height of the rise of the channel are maintained, then problems with draft will not arise.

Varieties

Today, several types are involved in the production of Zhytomyr boilers - parapet (wall-mounted) and floor-mounted. In turn, floor products also have divisions into single-circuit and double-circuit.

Floor-standing

If a gas boiler is needed only for heating purposes, attention should be paid to single-circuit models. They are unpretentious, practical and economical

In terms of their technical characteristics, floor-standing boilers mostly have the following similarities:

the maximum temperature limit is +90 degrees;
efficiency is 92%;
gas pressure – 635 Pa.

But when choosing a model you definitely like, you need to consider its specific characteristics and capabilities.

Wall mounted

But it’s still worth considering their characteristics in more detail:

the power of parapet boilers must be no less than 5 kW and no more than 20 kW;
the coolant in the device is no more than 17.5 liters;
depending on the chosen model, natural gas consumption is considered; according to the standard - 0.56–1.67 cubic meters per hour;
profitability due to imported automation.

Solid fuel units

In recent years, the Zhytomyr plant has mastered the production of boilers operating on solid fuel. There are 2 lines of heat generators available for the buyer to choose from:

Classic heaters of the AOTV and AKTV series, designed for burning coal, anthracite and firewood.
Pure wood-burning long-burning boilers “Zhitomir-D”.

The first line includes 18 models with a heat output of 12...25 kW with a steel fire-tube heat exchanger. The AKTV series is equipped with a cast iron hob, while the AOTV-V modifications are equipped with a copper coil that heats water for household needs.

Let us list the features and operating parameters of traditional coal boilers:

combustion of fuel and emission of flue gases occurs due to natural draft in the outlet channel;
the air supply and combustion intensity are adjusted manually with a special screw on the ash pan damper or with an automatic draft regulator on a chain (optional);
the secondary copper DHW coil is located in the boiler tank;
the manufacturer declares an absolutely real efficiency indicator - 78%;
operating coolant pressure – 1.5 Bar, in versions with a round body – 1 Bar;
the weight of the device is from 88 to 208 kg, the volume of the fuel chamber is 44–69 liters, depending on the power of the specific model;
burning duration of 1 load of anthracite – 8 hours, firewood – 6 hours;
The highest permissible supply coolant temperature is 90 °C.

Note. The heat generator comes with a poker and a scoop for scooping and cleaning the ash chamber.

In the operating instructions, the manufacturer directly states: solid fuel units are designed to operate in heating networks with natural circulation of water and an open expansion tank. In fact, adding a circulation pump is quite acceptable provided that the coolant pressure does not rise above 1.5 Bar.

The circulation pump in the gravity system is placed on the bypass

In closed heating systems, TT boilers must be used with a buffer tank (heat accumulator). Otherwise, in case of overheating, the pressure in the pipeline network will reach 3 bar, which is why the water jacket of the unit may swell and crack. The warning equally applies to long-cycle heat generators “Zhitomir-D”, whose characteristics are presented below:

the line includes 3 thermal units with a capacity of 12, 16 and 20 kW, the main fuel is wood;
the minimum duration of work from 1 full bookmark is 8 hours;
the firebox volume is increased to 140, 195 and 250 liters, respectively;
boiler tank capacity – 78 l;
unit weight – 200, 250 and 290 kg;
other parameters are identical to heaters of the AOTV series.

Important point. The manufacturer strongly recommends using long-burning boilers in conjunction with an accumulating buffer tank that can hold 0.35–1 m³ of coolant.

The long-burning boiler "Zhitomir-D" has an enlarged firebox, which makes it high

Positive and negative aspects of operation

In terms of ease of use and reliability, Atem TT boilers differ little from other heat generators in the budget segment:

the heat source operates without electricity;
combustion duration and efficiency strongly depend on the quality of the fuel (wood, coal) and operating mode;
cleaning the firebox and ash pan is not difficult; access to the fire tubes is through the front door;
If the operating rules are followed and there is no overheating, the device will last 10-15 years;
you can cook food on AKTV series boilers;
burning wood is a priori more economical than using other energy sources (excluding natural gas in the Russian Federation).

The most important advantage of Zhitomir-D heaters is the large volume of the fuel chamber, which determines the combustion duration. It is very difficult to find boilers of similar capacity among equipment from other brands. The real competitor is the Lithuanian Stropuva 20 kW with a firebox volume of 260 liters, which is significantly more expensive.

For piping a unit with a large firebox, the manufacturer recommends a classic scheme with a buffer tank (heat accumulator)

There is no point in listing the disadvantages inherent in all wood and coal boilers. Let us note the specific disadvantages of Zhytomyr devices:

The low threshold of the maximum coolant pressure does not allow the TT boiler to be safely operated as part of a closed heating system, where the water pressure can reach 3 Bar.
According to the manufacturer's recommendations, the temperature in the return pipeline should not fall below 45 degrees, otherwise condensation will form in the firebox. With natural circulation, it is unrealistic to use a classic piping scheme with a bypass and a three-way valve that protects against cold return.
Manual air supply control does not allow you to implement the optimal operating mode and maintain the desired temperature. The draft regulator only partially solves the problem. Request for the manufacturer: equip 2-3 models with an automation unit and turbocharging.

Video: operation of the Zhytomyr TT boiler

However, the Zhytomyr solid fuel unit can be connected to the closed system of a one-story house, where low water pressure is maintained. In case of overheating, we suggest installing a thermal relief valve, as shown below in the diagram. Read more information on safety valves in the corresponding topic.

When heated to a critical temperature, an additional valve begins to discharge coolant from the system, regardless of pressure. Cold water automatically flows into the boiler

How should preparations be made for the first launch?

Before turning on the gas boiler, it is necessary to carry out preparatory work. For this:

Completely mount the equipment, complete the wiring, and ensure proper installation.
Do not neglect fire safety rules. Install all fasteners in accordance with them.
Leave a small space between the boiler and the wall.
This distance must be indicated in the instructions. It is not recommended to install the equipment near a window. Such equipment should not be placed near a window.
Remove all flammable items away.
Attach the boiler body evenly, without distortions.
Connect it to a cold water supply system by removing the plugs on the pipes. At the inlet, mount a filter on which a ball valve is located. This way the system will be protected from contamination, which can lead to breakdowns. A ball valve must be installed on each piping pipe.
Install gas pipes carefully.
Make the outlet closer to the heating equipment.
Remember that the boiler must operate from a separate power line. In some cases, it is possible to connect the equipment to a gas generator for the purpose of its autonomous operation. You need to choose reliable pipes for the boiler
Connect the chimney pipe and check its draft.
Fill the boiler with cold water with the power switched off. The initial set will help eliminate the presence of leaks.
Turn the thermostat to maximum.

Specifics

The ATEM brand has invested all its efforts in the development and production of a good device for individual heating. For more than 27 years, the company has been providing heat to its own consumers in the form of Zhytomyr gas water heaters. Since the inception of the first boiler, a very large rebranding has been carried out, the device has received changes from the internal base of spare parts to the external design. Nowadays, the Zhitomir

"is a neat, small-sized block with switching instructions that even a child can handle. The main quality characteristic of boilers of this brand is the reliability and quality of the device. The technical properties of products have also changed with the emergence of recent technologies. Not only these components, but also other facts made it possible for the ATEM brand to acquire the “European Quality Level” award.

But the company did not stop there either; Zhitomir boilers received the “Golden Mark” and “Highest Standard” awards, proving to everyone that they occupy first place in the world market.

How to properly turn on and off a heating boiler

Putting the boiler into operation with the EuroSit 630 automation

make sure that the gas valve on the gas pipeline in front of the boiler is closed,
make sure that the boiler is turned off - the thermostat knob is in the ignition position,
open the tap on the gas pipeline supply,
turn the thermostat knob counterclockwise to align the “star” icons on the panel knobs,
smoothly press the thermostat knob in the axial direction until it stops and hold it,
press the piezo lighter button several times (the burner should light up),
continue to hold the thermostat knob pressed for at least 10 seconds. (until the ignition burner goes out when it is released),
release the thermostat knob (the ignition burner should be lit),
turn the thermostat knob counterclockwise towards position “7”, the main burner should light up.

Attention: if the ignition burner goes out, the ignition operation should be repeated again, but not earlier than after 3 minutes. Switching off the boiler with automatic “EuroSit 630”. Switching off the boiler with automatic “EuroSit 630”

Switching off the boiler with automatic “EuroSit 630”

it is necessary to smoothly turn the temperature setting knob clockwise until the white asterisk aligns with the “asterisk” sign on the panel,
it is necessary to close the tap on the gas pipeline inlet.

Putting the boiler into operation with the MiniSit 710 automation

make sure that the gas valve on the gas pipeline in front of the boiler is closed,
make sure that the boiler is turned off - the thermostat knob is in the ignition position,
open the tap on the gas pipeline supply,
press the ignition button and keep it pressed,
press the piezo lighter button several times (the burner should light up),
continue to hold the ignition button pressed for at least 10 seconds. (until the ignition burner goes out when it is released),
release the ignition button (the ignition burner should be lit),
turn the temperature setting knob counterclockwise towards position “7”, the main burner should light up.

Attention: if the ignition burner goes out, the ignition operation should be repeated again, but not earlier than after 3 minutes. Switching off the boiler with automatic “MiniSit 710”. Turning off the boiler with automatic “MiniSit 710”

Turning off the boiler with automatic “MiniSit 710”

it is necessary to smoothly turn the temperature setting knob clockwise to the stop and press the switch off button,
it is necessary to close the tap on the gas pipeline inlet.

Putting the boiler into operation with the Kare automatic system

make sure that the gas valve on the gas pipeline in front of the boiler is closed,
turn the temperature sensor adjustment knob counterclockwise until it stops,
open the tap on the gas pipeline supply,
press and hold the solenoid valve trigger button,
press and release the piezo lighter button (you may have to press several times until the igniter starts to burn),
When the ignition burner starts to burn, continue to hold the solenoid valve start button for at least 30 seconds. (until the ignition burner goes out when it is released),
by turning the nut on the ignition burner, you need to achieve a blue flame on the burner,
turn (smoothly, effortlessly) the thermostat knob to the right until the main burner lights up,
set the desired temperature.

Attention: if the ignition burner goes out, the ignition operation should be repeated again, but not earlier than after 30 seconds

Boiler features

Looking at the reviews of owners on gas boilers in Zhitomir, it becomes clear why this manufacturer’s equipment stands out so much, why it is so popular and relevant.

The equipment is characterized by many distinctive positive features in comparison with competitors' analogues. Yes, like any other devices, boilers of this brand also have disadvantages, but in comparison with the many advantages, any inaccuracies are insignificant.

Let us highlight the main advantages that Atem gas boilers have:

A steel heat exchanger that allows you to transfer maximum heat energy to water, which is generated when burning fuel.
Full compliance with all international standards.
High-quality and reliable design of the burner device. Thanks to it, the heating unit is considered highly efficient and emits a minimum of harmful substances during gas combustion.
Use of high-quality automation from a foreign manufacturer. This allows you to achieve better technical parameters.
Simple and comfortable control and operation.
Attractive design.
Small design dimensions.

The unit has various settings that make it possible to adjust the desired temperature level. There are built-in sensors that monitor the stable operation of the heating structure.

Features of Zota electric boilers and product range

When producing the Zota electric boiler, the manufacturer does everything possible to ensure that the products maintain their brand, are of high quality, in demand, and modern. That is why this Russian company currently occupies a leading position in the heating devices market. The units produced are reliable, economical, almost all have a remote control function, and they meet the requirements of modern standards.

The Zota brand produces heating equipment for buildings for various purposes, including country houses, industrial premises, administrative buildings, warehouses, etc.

The power of Zota electric boilers ranges from 3 to 400 kW (for heating rooms from 30 to 4000 m², respectively). The units are controlled using remote or built-in remote controls, as well as smartphones via GSM channels.

Buyers have a choice among five model series.

The lineup	Peculiarities
ZOTA Economy	This is a budget electric boiler for residential premises and buildings up to 480 m². The line is distinguished by its simplicity and attractive prices.
ZOTA Prom	This line includes particularly powerful heating devices that are designed to heat rooms from 600 to 4000 m².
ZOTA Smart	This is an electric boiler with a GSM module for remote control. The line is equipped with all kinds of electronics.
ZOTA MK	Mini boiler rooms with remote control. Manufactured specifically for heating rooms from 30 to 360 m².
ZOTA Lux	This Zota Lux electric boiler is small-sized, has many functions and an advanced design. Equipped with GSM modules and temperature correction circuits.

Let's take a closer look at these lines:

Zota Economy. This line is represented by simple electric boilers designed for heating various types of buildings. Low-power options are perfect for installing a heating system in the house. The standard boiler kit has a remote control, which provides automatic temperature control. Zota electric boilers are simple, but they have a self-diagnosis system. For greater reliability and extension of the operating period, the manufacturer added rotation systems for power units and tubular electric heaters to the units.
Zota Prom. This is a line of fairly powerful heating devices that are designed for heating large buildings. They are also used to connect the hot water supply circuit. All modifications are installed on the floor and have automatic systems. According to reviews from owners, Zota Prom electric boilers have a long service life. As the manufacturer confirms, this is due to the rotation system of tubular electric heaters. The unit is controlled using remote controls.

Electric boilers ZOTA Prom

Zota Smart. This line is characterized by the presence of sophisticated electronic controls. The models are equipped with automation systems, weather-sensitive sensors, heating and pump control systems, and self-diagnosis systems. All Zota Smart models that can be found on the market have built-in GSM modules for remote control. Tubular electric heaters in the design of heating devices are made of high-quality stainless steel, there are many sensors, ports for controlling three-way valves and circulation pumps.

Model 2014 ZOTA Smart

Zota MK. This includes not simple boilers, but mini-boiler rooms. They are distinguished by the presence of a built-in piping - inside there is a 12-liter expansion tank, a circulation pump and a safety group. The Zota MK electric boiler is controlled using a built-in remote control; new models have the ability to install GSM modules. The boilers in this line are small and neat in design.

Zota 12 MK

Zota Lux. These models are designed for heating residential buildings and industrial premises. They have smooth power adjustment, protection systems, remote control, external equipment control systems and high-quality tubular electric heaters. As a bonus - built-in weather-dependent automation and the ability to work with two-tariff meters. Zota Lux electric boilers will be an excellent solution for providing heating to private homes. The devices are characterized by a long service life and modern functional equipment.

https://youtube.com/watch?v=DEuCNipa_2U

Organizing a home heating system without gas or electricity

To select alternative heating options for a non-gasified electrified home, with a low power consumption limit of up to 5 kW, several effective heating sources can be offered. To heat a house, you will need to choose one of the heat supply schemes using the following modern technologies:

Long-burning boiler, with two heating circuits for heating and domestic hot water and a tank for indirect heating of hot water. Available and cheap solid fuel can be used as fuel for such a design: firewood and its waste, coal or anthracite and any other fuel product in the form of briquettes/pellets.
The boiler is a double-circuit boiler, powered by liquefied gas obtained from a cylinder or gas holder installation.
Gas convectors running on liquefied gas.
Double-circuit liquid fuel boiler: heating oil, diesel fuel or oil processing.
Renewable natural sources: wind power plants, solar collectors and various heat pumps.

Once a heating source has been selected, the home owner will need to carry out organizational measures to ensure that the circuit becomes operational.

The stages of organizing a heating system in a simplified form can be represented as follows:

Before heating a house without gas, they carry out a heating project and develop diagrams of in-house heating systems.
Obtaining approval from regulatory authorities to begin operating boiler equipment. In this case, these are approvals from the gas service for connecting to a gas tank or installing liquefied gas cylinders, distribution systems and water utilities.
Invitation to a specialized organization for installation and commissioning of the boiler and other boiler equipment.

Reviews about the operation of boilers

As you might guess, the vast majority of reviews are positive. When purchasing a heat source in a budget price category, the owners clearly understand the goal - to ensure reliable heating of the home with a minimal investment. Here are a number of statements from real users.

Azalea, Nikolaev Ukraine

We moved into a private house 8 years ago and immediately began repairing the heating. The old boiler, left over from the former owners, was replaced with “Zhitomir-3”. What I would like to note is that the device functions without interruption, the burner does not go out in strong winds. We wash and clean it every year, there are no problems in operation. We are happy with the boiler.

Layout of the universal device “Zhitomir-10” with independent heating of coolant and water

Alexander, Krasnodar, Russian Federation

I use a 25 kW Atem double-circuit boiler, floor-standing version. Fuel - main gas. Automation and heating work at a solid five, the hot water supply circuit is worthless. To wash properly, you need to set the regulator to 6-7, the batteries get unbearably hot.

Nikolay, Republic of Belarus

Since the heating system of the house is gravitational, I selected the appropriate 16 kW Zhitomir-3 boiler to replace the old Lemax. When starting up, I encountered a problem - the uninsulated chimney began to “cry” with condensation, with the old unit the gases heated up more strongly and a similar effect did not occur. 6 heating seasons have passed since installation, a malfunction occurred only once - the igniter went out. The gas worker advised over the phone to wipe the contacts of the traction sensor with alcohol, and that settled the issue.

Larisa, Perm, Russian Federation

The Zhitomir water heating boiler has been operating in our house for five years, no serious deficiencies have been found. The unit is simple, reliable and unpretentious; it does not need to be serviced by a service organization. We cannot install an open expansion tank, so we made a closed system. Until the gas pipeline was installed, 80 square meters of the house was heated with propane cylinders. True, we had to hire a specialist to switch the boiler to liquefied gas.

Circulation pump

The boiler circulation pump requires special attention during startup.

Air often accumulates in it, and its blades sometimes seem to get stuck (the boiler will display a corresponding error).

It is recommended to rotate the shaft manually before starting.

To do this, you need to remove the front panel of the housing, unscrew the central bolt on the pump and use a straight-bladed screwdriver to turn the shaft in the direction indicated by the arrow.

An air vent is installed above the pump. You need to pull the bright lid and let the air escape.

Read about the installation features of combined heating boilers in the following material.

Conclusion

At first, the system may make gurgling sounds, all because during startup it is impossible to bleed air down to the last atom. It will gradually be removed through the expansion tank valve. Periodically check the pressure on the pressure gauge - it should be within the operating range. Temperature adjustment and other boiler settings are described in the instructions for each model.

Turning on the boiler

The gas boiler is plugged into an outlet.
The switch must be set to zero.
The gas supply is turned on (the tap on the gas pipe is opened).

Further actions may differ for different models of gas boilers.

For example, the switch for Aton or Danko boilers needs to be set to the “star” icon, press the entire switch and hold it for 5-10 seconds.

Then, without releasing the switch, press the button located nearby.

The unit will respond with a characteristic click and hum. After which the regulator is released and the required power is set.

To turn on the Baxi boiler, you also need to turn on the gas, plug in the plug and press the “Start” button. The operating sound will appear. You need to give the device a little time, and it will automatically ignite the flame. After that, you need to press the power button again and connect the heating circuit (the corresponding icon will appear on the display). Finally, using the buttons, the desired temperature is set.

Heating appliances of the Buderus brand are characterized by high reliability. Buderus gas boiler - a brief overview of popular models and their cost.

We will look at the types of generators for gas boilers here.

To organize a full-fledged heating system in a private house, it is necessary to install a boiler. The article https://microklimat.pro/otopitelnoe-oborudovanie/kotly/kak-vybrat-dlya-chastnogo-doma.html discusses the main criteria for choosing heating equipment.

Why Zhytomyr boilers?

The Zhytomyr boiler has been known among consumers for more than twenty years. The choice of these products is often due to several reasons

the design of the products uses EUROSIT automation devices made in Italy, which has long been known as a supplier of the most reliable equipment for boiler houses;
these devices for automatic combustion mode control can turn the gas supply on and off at a certain coolant temperature within 0.08 s;
when the enhanced gas supply is turned off, the control equipment leaves the pilot burner on, its combustion is always stable, which is a guarantee of successful operation;
POLIDORO burners are of high quality, they almost never break down;
The stable flame never breaks away from the edges, which does not lead to malfunction of the combustion process of gaseous fuel.

The company has service centers that always stock spare parts and components for heating equipment produced by it. Representatives ensure that point-of-sale sales managers can provide clear product information.

The media conducts regular surveys of the population about the quality of operation of equipment produced by Atem-Frank. Constant modernization of manufactured products is carried out in order to improve their quality and attractiveness for the population.

Video on the topic:

The article is smart and sensible. In fact, they are not bad boilers. But if you have money, then it’s better to take Italian.

Design Features

The main elements of the Zhitomir boiler are

a housing in which the main components and equipment are installed;
gas burner unit located in the firebox. Here gas combustion occurs and heat flow is released;
recuperative heat exchanger, in which heat exchange occurs between combustion products and coolant;
gas exhaust system, its responsibilities include removing combustion products outside the boiler and releasing them into the chimney.

Construction of the Zhitomir boiler
In order to increase the efficiency of heat transfer, the gas boiler Atem Zhitomir 3 has the following design features.

The heat exchanger pipes made of heat-resistant steel have a rectangular cross-section; this device allows you to increase the contact area of the flue gas and the coolant.
The counter movement of coolants was organized, this solution made it possible to increase the efficiency of the heat exchange device to 92%;
To increase the area of interaction between combustion products and the coolant, as well as to prevent the accumulation of soot on the surface of the steel pipes of the ATEM boiler heat exchanger, turbulators are installed. Soot accumulates on the lower surface of the turbolizers, while the pipe walls remain clean. To remove soot, you need to periodically remove the turbolizers and clean them of soot.
Gas double-circuit turbocharged boilers in Zhitomir have a coil of copper pipelines around the heat exchange heating pipes.

Double-circuit gas unit Zhytomyr Atem

To organize a stable gas combustion process, a POLIDORO gas burner device is used. Its distinctive feature is a single-stage atmospheric burner. The edges of the burners themselves are made of heat-resistant steel, which allows you to maintain the combustion mode at different gas supplies to the firebox. Even at low gas consumption, the heating of the edges is sufficient to maintain stable combustion.

The gas supply mode is regulated by the EUROSIT gas valve. This device automatically switches the gas supply to the burners depending on the temperature of the coolant. The user independently sets the temperature of the coolant, focusing on the temperature in the open air. As the ambient temperature decreases, the temperature of the coolant increases.

Boiler Zhytomyr

Heating equipment of the Zhytomyr brand “Atem” is widely known in the countries of the former USSR. The plant's products are famous for their reliability, simplicity and affordable price tags. Let us highlight another important advantage - the manufacturer is as honest as possible with the buyer. The documentation for the Zhitomir solid fuel or gas boiler reflects the real operating parameters of the equipment, no overestimation of efficiency or other marketing techniques.

We decided to collect all the heat generators of the Atem model range in one publication and make a detailed review of each line of boilers. The task is to lay out the technical characteristics, identify the strengths and weaknesses of the units. At the end we will attach reviews from owners who use this equipment for heating private houses and apartments.

Range of gas parapet boilers

The movement of gases through the coaxial chimney of a parapet heat generator occurs naturally, without a fan or smoke exhauster

the material of the main heat exchanger is steel, the secondary heat exchanger for hot water supply is copper;
combustion chamber – completely closed;
burner - tubular type, safety automatic - gas valve SIT 630 made in Italy;
ignition – piezoelectric, from a button on the valve;
4 fittings DN40 for connecting the heating system - two on each side of the housing.

New version of wall heat generator with separate pipes for air and flue gases

Reference. Up-to-date information on the pricing policy and offered models of heat generators can be found on the official resource at: shop.atem.ua.

Specifications

The Zhitomir-M parapet boiler has the following operational parameters:

fuel efficiency (EF) – 90%;
minimum inlet gas pressure – 6.4 mbar, maximum – 17.6 mbar;
operating pressure in the heating system – 1.5 Bar, maximum permissible – 2 Bar;
coolant temperature at the outlet of the heat exchanger – no more than 90 degrees;
the amount of water in the boiler jacket is from 5 to 19 liters;
maximum pressure from the cold water supply – 6 Bar;
The dimensions of the largest device in the line are 360 x 495 x 825 mm (LxWxH).

Advantages and disadvantages

Let us list the other advantages of chimneyless heat generators:

Energy independence. The boiler does not require electricity, although it can work in conjunction with an external circulation pump.
Small size and simple design.
Reliability and safety provided by proven gas automatics from the EuroSIT brand.
A full-fledged smoke channel is not required.
The double-sided arrangement of the fittings expands the possibilities for connecting heating network pipes.

Important point. You should not perceive the listed nuances only in relation to Zhytomyr devices. The market is saturated with parapet clone boilers with similar pros/cons.

Diagram of the dual-circuit version of the heater

Despite the low threshold of permissible coolant pressure (2 Bar), wall-mounted boilers can operate as part of closed systems with a membrane expansion tank. The main thing is to maintain the specified threshold when filling with water and adjust the pressure inside the air chamber of the tank according to the instructions.

Since we profess the completeness and reliability of the published information, we will reveal the shortcomings of the Zhitomir-M heaters:

The degree of automation of the boiler is minimal and includes only a set of safety functions - protection against attenuation, overheating and a critical decrease in pressure in the gas pipe.
If the wall faces a windy passage, the burner may periodically go out. The problem is solved by installing an additional screen on the windward side of the chimney.
The performance of the hot water heat exchanger is enough to serve 2 consumers with low consumption. If you turn on the shower and the kitchen faucet at the same time, the water temperature will become uncomfortable for washing.
A constantly burning pilot light wastes fuel. This fact is critical for residents of Ukraine and other countries with high prices for main gas.
Manual ignition mechanism.

All safety, heating and gas control functions are concentrated in the 630 SIT valve

The disadvantages of heat generators are not critical and are a consequence of the maximum simplification of the design and reduction in cost. At the same time, the service life of inexpensive Zhytomyr boilers reaches 15 years, taking into account minimal maintenance.

Floor-standing boilers "Zhytomyr-3"

Explanation. Gas workers really “love” the floor-standing boiler models of the Zhytomyr brand. The design is simple and reliable, malfunctions occur extremely rarely, and accordingly, the technician has less work to do.

The line includes 18 devices - 9 single-circuit models KS-G-SN and 9 heat generators KS-GV-SN with an additional water heating heat exchanger. Main characteristics of boilers:

range of covered powers - 7...60 kW, efficiency - 92%;
the material of the main heat exchanger is carbon or stainless steel, the secondary coil is copper;
burner – tubular micro-flare from Polidoro, combustion chamber – open type;
there is a constantly burning igniter, which is ignited by a piezoelectric element button;
operating coolant pressure – 1.5 Bar, maximum – 2 Bar, permissible pressure in the water circuit – 6 Bar;
recommended temperature schedule - 60...80 °C, maximum - 90 degrees, at 95 °C the overheating sensor is triggered;
removal of combustion products through a traditional chimney with natural draft.

Note. The KS-G-045SN and KS-GV-045SN units with a power of 45 kW are designed for higher coolant pressure: operating pressure - 2 Bar, maximum - 3 Bar.

Design Features

7…16 kW devices are equipped with 630 SIT automation.
Heat generators with a capacity of 22.5…31.5 kW are equipped with 710 MINISIT valves.
Boilers with a power of 40 kW and more are equipped with automatic gas blocks SIT 820 NOVA.

Reference. The latest series of Italian valves 820 NOVA is equipped with a connector for connecting weather sensors and room thermostats. You will find more information on the operation of gas boiler automation in our separate review.

For summer operation of the DHW circuit, the manufacturer suggests looping the supply with the return, maintaining the connection between the boiler and the expansion tank

Advantages and disadvantages

The remaining advantages of water heating devices look traditional for the Atem brand:

simplicity of design and unpretentiousness in operation;
non-volatile – the boiler does not require power supply;
long service life;
models with automatic SIT 820 NOVA can be connected with external control devices - thermostats and weather sensors.

Addition. The new generation of KS-G-SN models with a power of 10...30 kW is equipped with an Atem-Start lightweight ignition system. The start button is located on the front panel of the boiler.

Solid fuel units

In recent years, the Zhytomyr plant has mastered the production of boilers operating on solid fuel. There are 2 lines of heat generators available for the buyer to choose from:

Classic heaters of the AOTV and AKTV series, designed for burning coal, anthracite and firewood.
Pure wood-burning long-burning boilers “Zhitomir-D”.

Let us list the features and operating parameters of traditional coal boilers:

combustion of fuel and emission of flue gases occurs due to natural draft in the outlet channel;
the air supply and combustion intensity are adjusted manually with a special screw on the ash pan damper or with an automatic draft regulator on a chain (optional);
the secondary copper DHW coil is located in the boiler tank;
the manufacturer declares an absolutely real efficiency indicator - 78%;
operating coolant pressure – 1.5 Bar, in versions with a round body – 1 Bar;
the weight of the device is from 88 to 208 kg, the volume of the fuel chamber is 44–69 liters, depending on the power of the specific model;
burning duration of 1 load of anthracite – 8 hours, firewood – 6 hours;
The highest permissible supply coolant temperature is 90 °C.

Note. The heat generator comes with a poker and a scoop for scooping and cleaning the ash chamber.

The circulation pump in the gravity system is placed on the bypass

the line includes 3 thermal units with a capacity of 12, 16 and 20 kW, the main fuel is wood;
the minimum duration of work from 1 full bookmark is 8 hours;
the firebox volume is increased to 140, 195 and 250 liters, respectively;
boiler tank capacity – 78 l;
unit weight – 200, 250 and 290 kg;
other parameters are identical to heaters of the AOTV series.

Important point. The manufacturer strongly recommends using long-burning boilers in conjunction with an accumulating buffer tank that can hold 0.35–1 m³ of coolant.

The long-burning boiler "Zhitomir-D" has an enlarged firebox, which makes it high

Positive and negative aspects of operation

In terms of ease of use and reliability, Atem TT boilers differ little from other heat generators in the budget segment:

the heat source operates without electricity;
combustion duration and efficiency strongly depend on the quality of the fuel (wood, coal) and operating mode;
cleaning the firebox and ash pan is not difficult; access to the fire tubes is through the front door;
If the operating rules are followed and there is no overheating, the device will last 10-15 years;
you can cook food on AKTV series boilers;
burning wood is a priori more economical than using other energy sources (excluding natural gas in the Russian Federation).

For piping a unit with a large firebox, the manufacturer recommends a classic scheme with a buffer tank (heat accumulator)

There is no point in listing the disadvantages inherent in all wood and coal boilers. Let us note the specific disadvantages of Zhytomyr devices:

The low threshold of the maximum coolant pressure does not allow the TT boiler to be safely operated as part of a closed heating system, where the water pressure can reach 3 Bar.
According to the manufacturer's recommendations, the temperature in the return pipeline should not fall below 45 degrees, otherwise condensation will form in the firebox. With natural circulation, it is unrealistic to use a classic piping scheme with a bypass and a three-way valve that protects against cold return.
Manual air supply control does not allow you to implement the optimal operating mode and maintain the desired temperature. The draft regulator only partially solves the problem. Request for the manufacturer: equip 2-3 models with an automation unit and turbocharging.

Video: operation of the Zhytomyr TT boiler

When heated to a critical temperature, an additional valve begins to discharge coolant from the system, regardless of pressure. Cold water automatically flows into the boiler

Combined models

In addition to traditional heating equipment, it produces 3 combined series of boilers:

Electric gas heat generators KS-G-SN / KE with a heat output of 10-12 kW.
Units "Zhytomyr-9" burning coal and natural gas. Designation - KS-G-SN / AOTV, power - 10, 12 and 15 kW.
Heating and hot water installation “two in one” KS-G-SN, otherwise – “Zhitomir-10”. The range of models covers the range of 7…30 kW.

Clarification. All types of combination boilers are produced in a floor-standing version.

The line of gas-electric boilers is built on the basis of Zhytomyr-3 units and does not differ in appearance from conventional floor-standing units. The design is complemented by a control unit and an electric heater placed inside the water jacket. 2 types of heating elements are installed - with a power of 4.5 and 9 kW. Important feature: both heating methods can be turned on one by one or simultaneously.

Electric-gas (left) and coal-gas (right) boiler

The coal-gas heat generator “Zhytomyr-9” has the following parameters:

on the left side of the body there is a firebox with a volume of 47 or 70 liters for storing anthracite or firewood;
to the right of the solid fuel chamber there is a gas firebox with a Polidoro burner and an SIT 630 automation unit, a common heat exchanger, and separate smoke exhausts;
efficiency on gas – 92%, solid fuel – 78%, operating water pressure – 1 Bar (Max 1.5 Bar);
work in a closed system is allowed, condition - installation of a safety group with a 1.5 bar safety valve;
duration of 1 coal combustion cycle – 6…8 hours;
There are modifications with a DHW water circuit.

Comment. When operating on coal and wood, the boiler produces less heat than on gas, which is noticeable in terms of efficiency. Example: the KS-G-016SN / AOTV-12 unit in the first case develops a power of 12 kW, in the second - 16 kW.

The operating algorithm is simple: while the coolant is heated by coal, the gas burner does not ignite. When the sensor detects a drop in temperature, the gas supply will open and the right side of the heat generator will start working. The main thing is that the pilot light is lit.

The gas installation “Zhytomyr-10” consists of two separate sections - a boiler furnace and an instantaneous water heater. Burners, safety devices and heat exchangers are completely separated. In fact, the gas water heater and the boiler are combined in one housing. The goal is to increase water consumption for hot water supply to a comfortable level without compromising heating efficiency.

Reviews about the operation of boilers

Azalea, Nikolaev Ukraine

Layout of the universal device “Zhitomir-10” with independent heating of coolant and water

Alexander, Krasnodar, Russian Federation

Nikolay, Republic of Belarus

Larisa, Perm, Russian Federation

Conclusion

The range of heat generators of the Zhytomyr plant continues to be supplemented with new water heating devices - geysers, atmospheric and turbocharged boilers. It is unrealistic to consider each unit in detail within the framework of one publication, so we limited ourselves to a review of the most popular models. We hope that the brand will continue to maintain its reputation by supplying users with reliable heating equipment.