Malfunctions of the Conord gas boiler: common breakdowns and how to fix them

The quality of heating of the entire house depends on the serviceability of the gas boiler, which is especially important in the cold season. Even the slightest breakdown can cause the equipment owner to have a panic attack, since repairing it can be too expensive. Agree, it is not always necessary to call a specialist, because you can independently figure out the reasons for the malfunction of the Conord gas boiler and repair the equipment yourself.

Despite the already established tendency to always blame the manufacturer, often gas boiler breakdowns have absolutely nothing to do with production features. They often arise due to a malfunction in the equipment settings, unstable pressure or voltage in the network.

Further in the article we will tell you what breakdowns of the Conord boiler occur most often, and how to independently restore its operation after another failure. In some cases, repairs may not be necessary because all you need to do to fix the problem is simply set the correct settings.

Heating boilers Conord

Rostovsky has a rich history and equally rich experience. Initially, the company was engaged in the repair of road equipment, but in the early 70s it was reoriented to the production of heating equipment.

At the same time, the name “Conord” appeared, which is an abbreviation for the words “Heating Boilers, Non-Standard Equipment, Rostov-on-Don.” The newly born plant began its activities with the production of the DON-16 boiler, famous throughout the USSR.

Heating equipment “Conord”

Today it is a modern enterprise, the technical equipment of which does not in any way remind of its advanced age. The production lines are equipped with the latest high-precision laser machines, imported presses and robots, which allow us to quickly and efficiently produce reliable and affordable devices. The main part of the range consists of gas water heaters, as well as heating boilers - gas, solid fuel and combined.

The range of boilers is quite diverse. First of all, the products differ in the gas burner device used (for short, they call it automatic). Three varieties are available.

Automation AGU-T-M (Russia)

• is cheap;
• does not require power supply (a bimetallic plate is used as a temperature sensor);
• does not impose special requirements on operating conditions and is inexpensive to repair (replacing the bimetallic plate - the only “weak link” - costs only 50 rubles).

This type of automation is quite common in our country and its use is not limited to the Conord brand. You can also see it in such Russian boilers as Mimax and some others.

There is no ignition system in the AGU-T-M, so the boiler has to be started using a lighter or a match.

Automation Euro SIT (Italy)

A boiler with such automation will be more expensive, but it simplifies setting the operating mode and ensures a higher level of safety. It contains:

• igniter with safety device (thermocouple);
• sectional burner with Polidoro tubes;
• gas valve SIT;
• temperature sensor;
• traction sensor

Unlike AGU-T-M, this automation reacts not only to gas shutdown, but also to deterioration of draft in the chimney.

The coolant temperature is set using a thermostat and is maintained automatically by a gas valve.

A piezoelectric spark gap is used to ignite the boiler.

Honeywell (USA)

The automation is of the same type as Euro SIT, only other materials are used for the manufacture of some elements.

An economy mode function has been added, to enter which the ignition knob must be turned all the way.

Conord boilers are also divided into single-circuit and double-circuit.

The former are intended for connection only to the heating system, the latter can additionally perform the function of an instantaneous gas water heater.

Unlike many other boilers with two circuits, Conord does not turn off the heating while using hot water. The 2nd circuit heat exchanger is heated by the smoke pipes. But still, the amount of heat supplied to the heating circuit decreases at this time.

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Gas boilers Conord: review, design, automation

It's no secret that imported floor-standing gas boilers are of higher quality compared to domestic boilers.
This applies to the material used to make the elements, the reliability of the automation, and the assembly of the device. However, the price of imported analogues differs noticeably upward. Our task is to find a Russian-assembled gas boiler with an optimal price-quality ratio. I propose to disassemble Conord floor-standing gas boilers, reviews of which can increasingly be found on various thematic forums. Let's consider the model range, technical characteristics, device, types of automation (gas burner devices), using the instructions for use.

Model range and description of Conord boilers

Conord floor-standing gas boilers are available with capacities from 8 to 30 kW. They come as single-circuit: KSts-G-8, KSts-G-10, KSts-G-12, KSts-G-16, KSts-G-20, KSts-G-25, KSts-G-30;

and double-circuit: KSts-GV-10, KSts-GV-12, KSts-GV-16, KSts-GV-20, KSts-GV-25, KSts-GV-30.

Single-circuit ones can only be used for heating from 30 to 300 m2. Conord double-circuit gas boilers can be used for both water heating and hot water supply (DHW).

Floor-standing gas boilers Conord

It is important to note that if you need a double-circuit boiler to fully use the DHW circuit, you need to buy a Conord boiler with a power rating of 20-25 kW. In this case, it will produce about 10-12 liters of hot domestic water per minute

There is no point in buying, for example, a double-circuit boiler KSts-GV-12 with a power of 12 kW. It will not give us a good volume of hot water.

Boilers can be used in both open and closed heating systems.

Installation of floor-standing gas boilers Conord

The boiler consists of a steel firebox 3 mm thick, a casing, a water jacket, smoke pipes with turbulators built into them to increase the efficiency of the boiler, a gas burner device (automation), a layer of thermal insulation made of basalt cardboard, and a thermometer to monitor the temperature of the coolant. In double-circuit models, a special coil for the water circuit is installed around the smoke pipes.

The coolant inlet and outlet, as well as the DHW coil, are located on the rear side of the boiler body. The thread diameter of the heating connection pipes for all models of this brand is 2 inches or 50 mm. For DHW circuit 1/2 or 15 mm. The chimney diameter for models with power from 8 to 12 kW is 115 mm, for 16 kW and above - 150 mm.

Conord boiler design

Due to the built-in turbulators and good thermal insulation, the efficiency of the Conord boiler reaches 90%. These heating devices are capable of operating at reduced gas pressure and are completely energy independent of electricity. The manufacturer claims a boiler service life of 15 years and a factory warranty of 3 years, which is also indicated in the operating instructions.

Automation for gas boilers Conord

Three types of automation can be installed on floor-standing boilers of this brand:

— domestic type AGU-T-M

- Italian Euro SIT

In general, the automation, although not particularly sophisticated, is unpretentious. In the event of a breakdown, it is not difficult to find spare parts for it. For example, a bimetallic strip that often fails costs about 50 rubles.

Automation type AGU-T-M

Euro SIT automation consists of a sectional burner and Polidoro tubes, as well as a safety system: igniter with thermocouple, temperature sensor, SIT gas valve, draft sensor and wires. If the pilot burner goes out, the gas is turned off, or there is no draft in the chimney, the automatic system instantly shuts off the gas supply to the burner.

Ignition occurs by pressing the piezoelectric element button or using a match. The coolant temperature is provided by the gas valve and set by the thermostat knob.

Automation Euro SIT

Honeywell automation from an American manufacturer has similar technical characteristics to a Euro SIT gas burner device. The principle of operation is the same, it differs mainly in the manufacturer and material of some elements.

Ignition is carried out by pressing the handle to the right of the thermostat and then turning it to the stop position to operate the boiler in economical mode.

Advantages of Conord gas boilers

- wide range of models

— three types of automation

— in case of boiler malfunction it is easy to find spare parts

Gas boilers CONORD with steel heat exchanger

More comfort, warmth.

Less worries and gas consumption.

Perfect lines – elegant design.

Boiler efficiency is 90%. The thermal insulation used eliminates heat loss.

The innovative design of the smoke collector and the location of the draft sensor on it guarantees that the gas supply is turned off in the absence of draft, and also allows you to maintain stable operation of the boiler in the event of a short-term reverse draft.

The service life of the gas boiler is 15 years.

Presentable and convenient

Original design, compactness with low noise level, the ability to use the secondary circuit of the boiler in the summer when the heating system is turned off.

The use of Italian SIT automation ensures stability of the set temperature and operation at low gas pressure

The cladding parts are made of modern material with triple protection: a layer of zinc, polymer paint and a protective synthetic film. The boiler design facilitates installation and maintenance.

Works great at low gas pressure of 0.6 kPa - 46% of the nominal 1.3 kPa. The cylindrical heat exchanger is made of cold-rolled metal, which allows the boiler to be used in a closed heating system.

Ideal value for money

Tested and certified in accordance with Russian standards

Tips for use

Conords have the advantage over many competitors of the absence of service functions - everything is performed by thermo-hydraulic automation. There are only a few problems that can be encountered when using this reliable equipment - the boiler can go out for three reasons:

• the burner is dirty - it needs to be cleaned with a vacuum cleaner or brush;
• there is not enough air for the pilot burner (then it goes out first) - again, clean the nozzles and improve ventilation in the building;
• oxidation of thermostat contacts - you need to clean or move them.

This problem can also occur if the draft sensor or flame sensor is faulty. They are eliminated by service workers.

Gas boiler Conord - technical characteristics and features

The thickness of the steel sheets used to make the Conord boiler firebox is 3 mm. The material has a fire-resistant powder coating, thanks to which the service life of the boiler, as the manufacturer assures, is 15 years.

The warranty is valid for 3 years.

The efficiency of boilers of this brand is 90%.

Such a high indicator was achieved due to the installation of turbulators in smoke pipes.

The connections to the pipelines are located on the rear panel of the heat generator.

Their diameters are 50 mm or 2 inches (heating circuit connection) and 15 mm or ½ inch (for the DHW line).

The lowest-power model provides heat generation of 8 kW. The oldest representative of the line has a power of 30 kW. Intermediate values: 10, 12, 16, 20 and 25 kW.

The diameter of the chimney depends on the power of the device. For boilers with a heat output of up to 12 kW inclusive, it is 115 mm, for more powerful ones - 150 mm.

Heat generators of this brand have built-in expansion tanks with a volume of 8.5 liters. The maximum permissible coolant pressure is 6 atm.

An important feature of Conord boilers is the ability to operate at a gas pressure in the main line of only 0.6 kPa (usually the pressure in the distribution gas pipeline is maintained at 1.3 kPa)

Advantages

After reading reviews about the products of the Rostov enterprise, it is easy to understand that they are in high demand. The Russian consumer is attracted to Conrod products by:

• Cost - prices for Russian products are much lower than for European ones. Sometimes the difference is 50%. The cheapest 8 kW models, used for heating a private home, cost only 15,000 rubles.
• Long warranty. The manufacturer guarantees uninterrupted operation for fifteen years.
• Does not depend on electricity. A blackout, especially in winter, due to lack of electricity, is almost a disaster. Therefore, for volatile equipment it is necessary to install backup power - a generator or battery. There are no such problems with Conord.
• Easy to use. The abundance of functions, electronics and automation from other brands often causes unnecessary trouble.
• Quiet operation.
• High quality build.
• Good technical characteristics: Rostov boilers are practically not inferior to foreign analogues in productivity, efficiency, and heating speed.
• High efficiency - about 90%.

Quality Policy:

Manufacturer information

The Conord plant has been on the market since 1979.
The CONORD plant is considered one of the largest enterprises in the production of heating and boiler equipment in Russia. The manufacturer has been on the market since 1979 and currently has a reputation for producing high quality products. This includes domestic boilers, including universal, gas and solid fuel, water heaters, AOGV, as well as burners and pellet boilers.

The brand’s equipment meets European quality standards and is presented in a wide range, the model range of which includes more than 50 items. It is produced in Rostov-on-Don from galvanized metal and other materials, using coatings made of high-quality polymers. Brand products retain their ideal appearance for many years and are able to operate without failures if the operating instructions and safety regulations are followed.

Gas boilers "Conord" and their description

As already mentioned, all boilers under the Conord brand are floor-standing, and they are quite large; their outer casing is equipped with a special protective enamel. They also have the following descriptive characteristics:

• the boiler is made of steel 3 mm thick;
• The efficiency of the unit is 90 percent;
• energy independence;
• affordable price;
• good customer reviews.

Gas units of the Conord brand include several modifications, in particular, with and without hot water preparation. In addition, the unit can be equipped with thermo-hydraulic type automatics or SIT automatics. In the first case, the boiler is classified as non-volatile. The supply and shutdown of fuel in this design is controlled by a thermostat. Then, when the temperature next to it reaches the set parameter, gas stops flowing to the main burner and this way the desired temperature regime can be maintained.

These devices are well adapted to the conditions of both cold and moderate winters; they are able to maintain any given temperature, provided the power is correctly calculated. Thanks to the high-quality installation of the burner, excellent boiler productivity is achieved, an optimal gas-air mixture and thermal insulation are created, thanks to which a huge amount of heat is spent on heating the coolant.

Of course, boilers of this brand are safe and have several levels of protection:

• a smoke exhaust sensor that is triggered in the absence of draft and turns off the gas supply to the burner. It also does not allow you to turn it off when short-term reverse draft occurs during intense gusts of wind;
• the presence of a flame on the main burner is monitored. If it is not there, then there is no gas supply;
• possibility of temperature control in the heating circuit. Heating of the coolant stops when the maximum temperature value is reached.

Conord boilers are adapted to operate in conditions of low fuel pressure. Different models may be marked KSts-G-10S or KSts-GV-12. It has this meaning:

• K-boiler;
• C - made of steel;
• C – the firebox has a cylindrical shape;
• G - gas;
• GW – gas with hot water supply function.

Subsequent numbers in the marking indicate its maximum power level. To calculate the required power when purchasing a boiler depending on the room, take 1 kW per 10 square meters, provided the ceiling height is within 2.5 meters and the average level of heat loss.

Installation nuances

Reviews from owners confirm that Conord may go out. Provoking factors:

• The burner is dirty. Before turning on the device, you should clean the nozzles with a brush or vacuum cleaner.
• There is not enough oxygen to start the burner. The air nozzles should be cleaned and the room ventilated.
• Thermostat contacts have oxidized. Cleaning needs to be done.
• Automation sensors are broken.

If the coolant cools down too much, you need to switch the thermostat to maximum or increase the flow of gas to the burner, if the instructions allow such an action.

Features of summer use

In summer it is necessary to turn off the heating circuit. To do this, turn off the tap at the coolant inlet. When one pilot burner is running, the water will heat up to 60 °C in 60 minutes. If water is not consumed, it will retain heat for about two hours - it can be used for domestic needs. When the device heats up and there is no active consumption of water, it is turned off so that the water does not boil.

Floor steel models Conord

Let us immediately note that all boilers of this brand are produced in a floor-standing version. “Steel” boilers are those whose heat exchanger is made of steel. It is easy to find such a device in a catalog or price list by the marking, which begins with the letters “KS” (steel boiler).

For example, it is the steel heat exchanger that is installed in the boiler of the KSC-G-16 brand.

Here the letter “C” denotes the cylindrical shape of the heat exchanger, “G” is the type of fuel (gas), and the number “16” is the power in kilowatts.

The presence of the letter “B” in the marking (for example, KSC-GV-20) means that the boiler is 2-circuit.

Boilers with a steel heat exchanger are lighter and heat up quickly. However, they are less reliable and not as durable as cast iron. A significant disadvantage of steel is its susceptibility to corrosion.

How to maintain your warranty

In order not to be denied warranty obligations, you should not undertake installation and adjustment work. Connection, configuration, and first start-up are carried out by service center specialists. They also make a record of the work done in the device passport. Preventative maintenance should be carried out annually - this is also noted in the technical passport. Failure to maintain such records will void the warranty.

The instructions and connection diagram are provided for reference. Their presence in the package does not mean that the owner of the equipment can connect it himself.

Review: Floor-standing single-circuit gas boiler Conord KSts-G-12N - Reliable and economical!

Advantages:

Inexpensive, works properly, economical, 3 year warranty

Flaws:

there are small ones

Gas heating has its pros and cons. On the one hand, living in an apartment, you don’t have to bother with boilers, installing them somewhere, periodically cleaning them, lighting them, etc. You wait until the heat is turned on, and that’s it. But on the other hand, they don’t always turn it on when you want. And you have to freeze without heating in the fall and spring, and sometimes, on the contrary, die from the heat. This is a huge advantage of gas heating - when you need it, you turn it on, when you don’t need it, you turn it off. We live in a private house, and we, in fact, don’t have to choose: if you want heat, install a boiler. So we installed the Conord KSts-G-12N when the previous one gave up its life.

Some technical data: overall dimensions 412/342/786, weight about 40 kg. Designed for 120 square meters (we have 100, we took it with a small margin). The efficiency is stated to be at least 90%, but how to check this? Gas consumption at nominal heating output is indicated at 1.35 cubic meters per hour. The boiler is steel, white, covered with heat-resistant powder enamel. All the “stuffing” is behind the door:

As you can see in the photo, the top cover is loose - this is not a defect in the boiler, it was after a preventive inspection and cleaning that the gas workers (!) installed it incorrectly, we didn’t notice right away, but we didn’t want to disassemble, remove the pipe and redo it ourselves, so we decided to leave it until next time . This boiler model is single-circuit; we use a gas water heater to heat water. The boiler is non-volatile, but our heating is with a circulation pump, i.e. when the power goes out, the pump does not work, the boiler overheats and automatically turns off. Fortunately, this rarely happens. There is one inconvenience during the initial ignition - you need to hold the button pressed for a while, your finger gets tired)

The instructions are the same for several models, for me personally it is not very clear, but still boilers should be installed and maintained by specialists, or at least technically competent people, this is not about me:

The boiler does not, of course, have all sorts of useful and pleasant functions such as programmable switching on at a certain time and the like, like its more expensive counterparts. But the manufacturer gave a 3-year warranty, and the promised service life is at least 15 years. The boiler was installed in the summer of 2010 and survived 2 winters. It was not very warm at home only in the most severe frosts of 30 degrees. In general, everything is fine so far, only this spring, however, it unexpectedly began to smoke, I had to urgently clean it (I confess, it was cleaned for the first time, although it needs to be at least once a year). It is more economical compared to the previous boiler, heating a 2-storey house with an area of ​​100 sq. m., an average of 500 cubic meters per month is consumed (naturally, more in winter, much less in summer, but I’m used to paying one amount all year round, it’s more convenient for me). PS Unfortunately, we have to add a fly in the ointment to the previous positive impression. Today it suddenly started smoking again, 9 months have passed since the previous cleaning. So, during cleaning, specialists removed one of the turbulators and discovered that it had burned out in one place. After less than 3 years of work.

Use time: 2 years

Cost: 9600 rub.

Year of manufacture/purchase:2010

General impression

.
Reliable and economical!

What is a bimetallic plate

An element that has the property of deforming (bending) in one direction under the influence of elevated temperature is called a bimetallic plate. From the name you can guess that the plate contains two metals. Each of them has its own coefficient of thermal expansion. As a result, when such a plate is heated, one component expands by a certain amount, and the second by another.

This leads to a bend, the shape of which depends on the difference in temperature coefficients. The rate of deformation is directly proportional to the change in temperature. When the plate cools, it returns to its original position. The plate is a monolithic compound and can work indefinitely.

Gas water heating device

The use of Italian SIT automation ensures stability of the set temperature and operation at low gas pressure.

Possibility of installing a circulation pump and operating the AOGV in a closed heating system. The cylindrical heat exchanger is made of high quality steel and can withstand high pressure.

3 years warranty

Simple installation without reworking the heating system or replacing the design. Complete match of all connecting dimensions for this model

The power calculation does not include the power consumed by the hot water circuit. All parameters indicated in the table correspond to the operation of the device at rated heat output and established thermal equilibrium.

The prices presented on the website are not a public offer and may differ at points of sale.

Circulation pump

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 up and let the air escape.

Floor-standing boilers are usually more powerful than wall-mounted ones. If you need to heat a large room, it is better to choose this option. Floor-mounted gas boilers for home heating – overview of design options and models.

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.

comparison table

The lineup

Conord gas floor-standing boilers go on sale in several series. Each of them has its own characteristics.

1. Conord single-circuit boiler with SIT automation:
   power – from 9 to 27 kW;
2. temperature adjustment ranges from 60 to 90 C;
3. system pressure – from 0.3 to 1.8 BAR;
4. approximate cost – 12,000 rubles.
5. Conord single-circuit boiler with thermo-hydraulic automation:
   power – from 11 to 27 kW;
6. cylindrical heat exchanger;
7. system pressure up to 5 BAR;
8. approximate cost – 13,000 rubles.
9. A unit with two thermal circuits, that is, it can be mounted inside a boiler system:
   power – from 12 to 30 kW;
10. both natural and forced types of coolant circulation are acceptable;
11. the average price is from 15,000 rubles.
12. Double-circuit heating plant with SIT automation:
    power ranges from 11 to 29 kW;
13. both natural and forced types of coolant circulation are acceptable;
14. this model has a specialized sensor that can both turn off the gas supply if there is no traction, and restart the fuel supply when the process resumes;
15. average cost – from 15,000 rubles.

You might be interested >> Description of the double-circuit gas wall-mounted boiler Baxi

Main types of Conord boilers

The manufacturer produces heating equipment with two types of heat exchangers: steel and cast iron.

All gas storage tanks from the Rostov company are floor-standing only. When purchasing wall-mounted units, it is recommended to choose other brands.

Steel

Steel heat exchangers will give the buyer the following advantages:

• High heat transfer rate, which any heating boiler has.
• Less specific gravity.
• A more ductile material compared to cast iron.

Interesting! Low resistance to damage and corrosion processes is the main drawback, which for some will be significant. Therefore, many people prefer cast iron analogues. Manufacturers add durable coatings, but they are not capable of providing 100% protection.

Cast iron

Immunity to corrosion along with high thermal conductivity are the main positive aspects of the products. They have much fewer disadvantages, these are:

fragility. Almost all buyers will notice it. During transportation and installation, the likelihood of damage is highest. Therefore, such stages of work are trusted only to specialists.

When the device is delivered home, it is important to check its functionality in advance. Even microcracks can lead to serious damage. Less strength when compared to steel. Less flexibility and ductility

Although this does not prevent you from igniting the fuel for further operation.

Device (automation)

The main element is the gas burner. It heats the heat exchanger in which the coolant is located.

It is supplied by gravity or under the action of a circulation pump (purchased separately and connected as an external component of the system) into the heating circuit.

For double-circuit models, a coil is installed around the smoke pipe to heat the hot water of the DHW circuit.

Smoke is exhausted naturally, using the chimney draft, to which the boiler should be connected during installation.

The heating system must be installed taking into account the placement levels of radiators that ensure natural circulation of the coolant.

If this is not possible, you have to use a circulation pump, which stabilizes the liquid movement mode, but makes the boiler energy-dependent.

Peculiarities

To make sure that this product is of the best quality, you can read various reviews about these products that users leave about them

Consumers are drawn to the fact that heating devices from Conord have a long service life, a decent degree of reliability and excellent efficiency. The full period of this guarantee is 15 years.

Externally, these units are distinguished by a rather strict design. Models with two circuits can be used in hot water systems during the warm season of the year and will not be dependent on heating. Gas products from Conord are launched using piezo ignition, and the technical characteristics reflect their excellent functionality.

All devices from Conord are divided into:

• Models where there is no system for supplying the consumer with heated water. They have built-in Italian automation and are extremely in demand.
• Heating devices that can only give warmth to your home. Their automatic elements use the principle of thermohydraulics.
• Boilers that not only provide home heating, but also heat water for domestic needs. They have built-in automation from Italy from SIT.
• Models that are capable of heating rooms and calmly warming liquid for various purposes. Thermohydraulic automation makes these tasks more simplified.

Preparing the site

To install the Conord, you need to prepare a place. If the floor is a fire hazard, then you need to create a fireproof substrate, larger than the overall dimensions of the equipment, 50 cm on each side. Such a base can be a metal sheet that is placed on mineral wool or asbestos cardboard.

There is also a second point - for good water circulation, if the system does not have a pump, you need to place the pipe below the heating pipes. The third point is that when using welding, it is better to leave the thread so that the repair is problem-free.

Criteria for installation

For installation in a home, the following requirements must be met:

Product line

There are practically no wall-mounted boiler models in the brand’s line, so for a home heating system, consumers often purchase a Conord gas floor-standing boiler, which can be equipped with additional options. Floor-standing boiler models are produced in four series. The manufacturer makes all boilers from durable high-quality steel. To increase the stability of the boiler, its surface is treated with heat-resistant powder, which protects the device from high temperatures and loads.

Consumers who are interested in such a device as the Conord gas boiler, instructions for use are supplied by the manufacturer, should analyze devices from the following series:

1. KSC-G-S;
2. KSC-G-N;
3. KSts-GV-S;
4. KSts-GV-N.

Series KSts-G-S

In this series you can find a good single-circuit heating boiler, which is equipped with a functional gas supply regulator. Italian automation, which controls the operation of a domestic boiler, guarantees its safety, reliability and efficiency in the heating system of a house or apartment. Devices from this series can be adapted for heating buildings with an area of ​​80 to 300 sq.m., but for this you need to choose the right boiler in terms of power.

In order for boilers to meet the requirements of the heating scheme, it is important to pay attention to other parameters. Thus, the operating pressure of devices from the KSts-G-S series ranges from 0.2 to 1.9 bar, the minimum heating temperature of the coolant is 60 degrees, and the maximum is 90 degrees

Series KSts-G-N

More functional boilers can be purchased under the marking KSts-G-N. They are equipped with a unique cylindrical heat exchanger, which is made of high-quality cold-rolled steel. This solution allowed manufacturers to achieve the most efficient performance and ensure the ability to quickly and uniformly heat the coolant circulating in the circuit. This series includes single-circuit models that can be used to heat houses with an area of ​​100 to 300 sq.m.

Due to increased reliability, KSts-G-N boilers can operate in difficult conditions - they are designed for use in systems with operating pressures reaching 5 Bar. To optimize the heating process, excellent thermo-hydraulic automation is installed on the boilers. Since this series of products is more functional and versatile, the cost of boilers in it is somewhat more expensive - the minimum price of a basic device starts from 16 thousand rubles.

Series KSts-GV-S

An inexpensive double-circuit gas boiler Conord, reviews about which you should definitely read before purchasing, can be found under the marking KSts-GV-S. Models from this series are equipped with an additional circuit to provide hot water supply in the house. They operate under the control of Italian SIT automation and are designed to heat houses with an area of ​​120 to 300 sq.m.

Having studied reviews of the Conord gas boiler, purchasing a double-circuit unit, the owner solves two problems at once and equips his home with an appliance that will help heat the rooms and provide the necessary supply of hot water for household needs. The boilers are quite versatile - they can be used in almost any circuit.

Series KSts-GV-N

Among the products united under the marking KSts-GV-N, you can choose a good double-circuit gas boiler Conord, the technical characteristics of which are represented by the unique shape of the smoke collector and the presence of thermo-hydraulic automation.

KSts-GV-N boilers have a unique emergency protection system.

These models are the safest and most reliable. They are equipped with detectors that stop the gas supply if there is a threat of explosion. Also, the boiler can independently stabilize the operating process when it detects short-term reverse draft. The power of devices in this series ranges from 12 to 30 kW. You can read how to choose a gas boiler for your apartment here.

The Russian company has earned itself a good and strong reputation in the market through the production of reliable heating equipment. Among consumers, Conord gas boilers, reviews of which are mostly positive, are in consistently high demand.

In the manufacturer’s line, you can choose a boiler for almost any heating system - after all, the power of various models ranges from 8 to 30 kW. By correctly selecting a boiler from the brand’s product range, the owner can make it the basic element of the heating system of an apartment, country house or large private mansion.

Types

Conord floor-standing gas boilers do not need to be connected to the power supply. This means that the use of fans or pumps is eliminated.

The combustion chamber of all units is of an open type (atmospheric), circulation of liquids occurs either naturally or using an external circulation pump.

The fundamental difference in design is only the functional features:

• Single-circuit boilers designed for heating.
• Double-circuit, capable of preparing hot water for household needs simultaneously with heating the coolant for the heating system.

IMPORTANT! Most single-circuit models can be connected to an external indirect heating boiler, which makes them capable of providing hot water to the home in larger volumes than double-circuit models.

In addition, there are differences in the design of the heat exchanger:

• Steel heat exchangers 3mm thick.
• Cast iron components with increased efficiency.

In addition, there are different types of control automation. These are mechanical gas supply and adjustment units.

Exist:

• Italian SIT nodes. In the boiler marking they are designated by the letter S.
• Thermohydraulic elements. They are designated by the letter N.

Recently, American-made components have been installed in some boiler models, which expands the range of boilers. In the marking they are designated by the letter M.

The first group with a cast iron alloy heat exchanger:

Single-circuit, with automatic safety and regulation SIT

The Conord gas boiler with one circuit is used exclusively as a heating device. Models with a heat exchanger made of cast iron alloy are designed to heat an area of ​​up to 400 m2. The installation of SIT control components from an Italian manufacturer made it possible to guarantee a stable set temperature. In addition, automation allows operation in compliance with stable parameters at low gas pressure in the gas pipeline.

Note that the cast iron heat exchanger is characterized by prolonged durability. Cast iron is less susceptible to corrosion processes. It resists scale and condensation with greater resistance. The service life is somewhat longer than that of conventional steel ones; with proper care, the plant promises more than 25 years of operation. On the other hand, cast iron is too hard a material, which makes it more brittle. In addition, the Conord boiler, which includes a cast iron heat exchanger, is more expensive. Modifications:

KCH-G-16S Heating capacity = 16 kW. KCH-G-25S Heating capacity = 25 kW. KCH-G-30S Heating capacity = 30 kW. KCh-G-40S Heating capacity = 40 kW.

When should you choose the minimum power?

In order to make a more accurate calculation, it is necessary to contact specialists who are able to develop a professional system design, taking into account the individual characteristics of a particular building. It is important to pay attention to the minimum power rating of the unit. The smaller this value is, the more comfortable and economical the device will operate at a minimum of capabilities. This is especially true for the period of spring and autumn, or rather, in the off-season.

Video on the topic

Complex automation systems that perform the role of switching operating modes of certain devices are built on the simplest elements. They tend to change any of their parameters (shape, volume, electrical conductivity, etc.) under the influence of one or more factors.

Thus, all modern heating elements are equipped with thermostats that control the degree of surface heating. The basis of any thermostat is a bimetallic plate.