Gas boiler Don 16 operating instructions

Model range of boilers Don

Don solid fuel boilers are produced with a power from 11 to 40 kW. All of them are universal and can work on wood, coal, briquettes and pellets. Does not depend on the power grid. They are marked with letters and numbers, for example, KS-T-1R or KS-T-11P, where:

K – boiler;
C – steel;
T – solid fuel;
numbers – rated thermal power;
P – draft regulator;
P – plate.

The efficiency of all units is 80%. A gas heater can be inserted into each boiler, then it can operate on natural or liquefied gas.

One of the most popular models is the Don 16 boiler with a gas burner. The technical characteristics of this unit allow it to be used for operation in open and closed heating systems (see Horizontal heating system: general information and recommendations).

The line also includes solid fuel heaters that can operate in automatic mode. Pellets are used as fuel. To automate the process, a pellet hopper is attached to the boiler. A pellet burner is inserted into the firebox. It operates from the mains, consumes 300 W when igniting, and 70 W/hour to maintain combustion. The burner weighs 18 kg.

From the hopper, pellets are fed through a pipe into the burner using an electric pump. All that is required of the homeowner is to replenish the pellets in the bunker, remove the ash once a week and clean the boiler several times a season.

Solid fuel boiler Don (Conord): technical characteristics, device, instructions

Today we will talk about universal solid fuel boilers Don from Rostov, specializing in the production of gas and solid fuel heating equipment. Let's look at the technical characteristics and design of the Don-16 and Don-20 boilers.

Using the operating instructions, we will consider the main models: old (discontinued) and new, modern heating devices. Let's look at their differences, pros and cons, as well as the types of automation of a gas burner device. At the end of the article, as usual, we will summarize the reviews and certain features of Don solid fuel boilers for heating.

Solid fuel boiler Don 16(-20): technical characteristics and design

The legendary Don-16 (KST) boilers have been produced since the 70s of the last century, becoming very popular back in Soviet times. Despite the fact that the model is already obsolete, Don boilers still have positive reviews from owners, especially among the older generation. Although there are also negative reviews, especially when the boiler leaked or burned out.

The most common models were 16, 20 and 31.5 kW, capable of heating a house with an area of 50 or 100 m2, 200 or even 300 m2. Energy independence, simplicity and reliability of the design with a steel thickness of 3 mm, versatility and a large firebox are their undoubted advantages.

In addition, these devices were produced as single-circuit “KS-T-16(20)” and double-circuit boilers “KS-TV-16(20)” with a removable copper heat exchanger for hot water, which even many imported manufacturers cannot boast of and to this day. These boilers could operate on almost any type of fuel: coal and firewood, briquettes and pellets.

Let's look at the construction of the Don 16 solid fuel boiler according to the instruction diagram.

Boiler Don 16: device and connection

1 — door for loading solid fuel; 2 — door for cleaning; 3 - damper for air supply to the boiler; 4 - rectangular pipe for the chimney; 5 — damper for adjusting draft; 6 — body; 7 — fitting for connecting a supply line with a diameter of 50 mm; 8 — fitting for connecting a return line with a diameter of 50 mm; 9 — thermometer; 10 - boiler thermal insulation layer; 11 — water jacket; 12 — protective partition; 13 — grate; 14 - firebox; 15 - area of flue gases exit.

The versatility of the Don 16 steel boiler is also due to the fact that the device could be used not only with solid fuel, but also with gas.

To switch the operation of such a boiler to natural (cylindered) gas, the buyer was offered to additionally purchase an automatic gas burner device AGU-T-M with 20 or 23 kW of power. This device had the simplest operating principle and included: a thermostat, gas tubes and valve, a bimetallic plate and nozzles.

Features of solid fuel boilers "Don-Conord": model range and design

Several years ago, Rostov-on-Don decided to update and modernize its “line” of universal, solid fuel boilers Don. Modern heating devices can heat rooms from 50 to 500 m2. In addition, single-circuit and double-circuit solid fuel boilers are produced.

Solid fuel boilers Don with draft regulator and automation

Some models are equipped with a draft regulator, gas burner, safety valve or even a cast-iron hob. Buyers were presented with a wide range of devices of varying power and configuration to choose from.

1. Solid fuel boilers Don with draft regulator (KST).

Some models of this manufacturer are equipped with a draft regulator to automatically adjust the supply of primary air to the boiler. This device helps the solid fuel boiler to operate in economical mode on one load of firewood for several hours longer than without it. In the abbreviation, such boilers have the letter “P”. For example, KS-T-12r or KS-T-16r, and double-circuit boilers with a heat exchanger: KS-TV-20r, etc.

Technical characteristics of solid fuel boilers "Conord Don"

2.
Don boilers with an automatic gas burner device (KSTG).
Models of combined boilers “Don” can also be equipped with a gas burner with automatic equipment from different manufacturers:

— Italian SIT (the name of the device contains the letter “S”); - American Honeywell; — SABK-AT (“U”); — AGU-T-M (for older models); — Conord (“K” or “KM”) of our own production.

For example, a boiler marked KS-TG-16S means that in front of us is a steel solid fuel boiler with an automatic gas burner of the SIT brand and a power of 16 kW.

Connection diagram and internal structure of the Don universal boiler:

Conord-Don boiler with gas burner and thermostat

1 - cleaning door; 2 - adjustable damper; 3 - combustion door; 4 - loading door; 5 — feed; 6 - chimney pipe; 7 - boiler water jacket; 8 — grate; 9 - ash pan; 10 - return; 11 — protective partition; 12 - boiler furnace; 13 — body; 14 - draft regulator.

3. Don boilers with pellet burner.

This type of heating boiler can be equipped with a special pellet burner

with a hopper and burner device, which is mounted instead of the lower cleaning door. This type of boiler is marked as KSTP, for example, KS-TP-20. A pellet boiler is the latest development, but the price of such equipment will be quite high compared to traditional solid fuel boilers of the Conord brand.

4. Solid fuel boilers Conord-Don with hob.

This type of heating boiler not only heats the room, but is also suitable for cooking. On the upper part of the body of such a device there is a hob with removable cast-iron rings of different diameters, corresponding to the diameter of the cookware. The name of such a boiler contains the article “P”, for example, “KS-T-11p” or “KS-T-15p”. See their photos below.

Boilers KS-T-11p and KS-T-15p
Advantages of Don boilers using solid fuel :
- good manufacturer traditions and reviews; — wide “line” of models; — energy independence; — versatility (firewood, gas, pellets); - affordable price.

Disadvantages of universal solid fuel boilers Don-Conord:

— short firebox length for models of modern boilers of low and medium power; — no electric heating element included.

We disassembled the Don 16(-20) universal solid fuel boilers, compared the technical characteristics and design with their more modern analogues, “descendants” from the Conord company. Together we examined the features and differences of the Conord-Don boiler models according to the instructions, and summed up the results, assessing the beneficial advantages and main disadvantages of the heating devices of this manufacturer. Let's watch the video review.

Design features of solid fuel boilers Don

The Don heating boiler is made of steel. It has a built-in water circuit through which the coolant from the heating system circulates. The liquid is heated in a heat exchanger installed in the upper part of the firebox. The combustion chamber is quite large, it can accommodate logs up to 60 cm long. It is made of a special alloy that is not susceptible to corrosion.

The quality of Raden bimetallic radiators, according to reviews, is at a high level - you can safely buy them.

And domestic Monolit heating batteries are by far the strongest.

Smoke pipes pierce the heat exchanger so that the boiler can take maximum heat from the fuel and transfer it to the water. Thus, it was possible to use even the thermal energy of the exhaust gases. To make the heat removal process even more efficient, turbulators are installed in the smoke pipes.

In double-circuit boilers, the Don coil for the DHW system is located above the heat exchanger for heating. It is installed in such a way that there are smoke pipes inside the spiral. The water in such units heats up faster due to an increase in the heat removal area.

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The boiler is equipped with a temperature sensor, thanks to which the degree of heating of the coolant is regulated. This happens automatically by increasing or decreasing the supply of secondary air. There are two doors on the front side of the heater: loading (fuel loading) and screwing (draft and secondary air control, ash removal).

First start of the heating boiler

The procedure for starting the boiler for the first time before the start of the heating season depends on its model and type. But despite this, a visual check of its condition is performed. This is one of the most important stages preceding the final launch of heating in a private home.

The heat exchanger is one of the most “vulnerable” elements of the boiler. Checking it is mandatory, because during operation of the device it is constantly exposed to high temperatures. Along with the task of starting the heating radiator, preparing the boiler is one of the most important during the process.

Solid fuel boiler

Solid fuel boiler design

Before the starting of the heating system has not yet taken place, a comprehensive monitoring of the condition of the solid fuel boiler is carried out. Its surface is cleaned of rust, and the functionality of the pressure gauge and thermometer is checked.

Then follow the following steps to properly start the heating system:

Cleaning the firebox and ash pan from soot. This can be done with a metal brush;
Checking the condition of the chimney. Its pipe must be securely connected to the boiler pipe.

For pyrolysis and pellet models, the operation of the electronic control unit, fans and nozzles is tested. When the heating system is started correctly, improper functioning of these elements can lead to sudden temperature changes, which directly affects the condition of other components.

A gas boiler

General diagram of a gas boiler

Before starting a gas heating boiler, you should read its instructions. For different models, the order of steps may vary slightly. This is due to the different types of construction. This especially applies to condensation models, in which the correct formation of condensate must be monitored during operation. Without it, heating the secondary heat exchanger will be impossible.

How to correctly start heating with a gas boiler? After filling the system with water, you need to do the following:

There is a valve at the bottom of the boiler that shuts off the flow of water into the circuits. After the end of the heating season it can be closed. Therefore, you need to open it - the pressure gauge readings will change. The pressure value should not exceed 3 atm;
After heating the coolant, you need to open the make-up tap again. If there are air pockets left in the system, you can remove them using Mayevsky taps. The pressure in the system may decrease slightly during this stage;
In fact, you will have to start the heating radiator 2 times. The first - during filling with coolant, and the second - when turning on the boiler;
The correct functioning of the boiler is controlled by the values on the dashboard.

The result of starting heating in a private house should be a stable temperature regime of the entire system, as well as the absence of pressure surges in the pipes.

Switching from solid fuel to gas

To convert a Don solid fuel boiler into a gas boiler, you need to purchase a special burner. It is connected to the electrical network and has an automatic system that regulates the degree of gas supply. In order to install the burner, you first need:

remove the security door;
dismantle the grates.

There are many benefits to switching to gas. There is no need to constantly add firewood. There is also no need for storage space for solid fuel. Those who use coal have another problem - where to put the sludge? With gas everything is much simpler. Even if you do not have a central gas pipeline, you can connect a cylinder or gas holder to the boiler.

Where to buy a Don 16 boiler ↑

When building a country house, owners are faced with the natural need to organize and equip autonomous heating. When it is not possible to connect the house to gas supply, you have to choose something alternative. One of such heating system options is the Don solid fuel boiler. It is worth recognizing that this is a convenient and reliable unit to use, which has many excellent reviews.

Let's start not with the question of where to buy Don, but with who produces it. The device is manufactured by the Conord Plant, located in Rostov-on-Don. The instructions, uniform for current versions, allow them to be fueled with wood, peat and coal, and if the necessary substances are not available, the boiler can be freely switched to gas. This remarkable flexibility of application is the result of the introduction of strict standards specifically created for the production of equipment with special consumer parameters. Don solid fuel boilers are produced with a power from 11 to 40 kW.

Conclusion

Don solid fuel heating boilers are manufactured in accordance with the company’s quality guidelines and regulations. Particularly important operations—pressure testing of equipment and welding—are performed by workers with a personal brand, which increases their level of responsibility for product output (see also the article “Solid fuel boilers KChM: simplicity, reliability and efficiency”).

The devices are economical, reliable, convenient and safe to use. The video in the article will provide an opportunity to find additional information on the above topic.

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Specifications ↑

These products of the Rostov association are presented in five varieties. Without a pre-installed gas burner, only Don KS-T-16 boilers are available, which take only firewood. The remaining solutions (T-R, TG, TVm, TGVm) are equipped with the circuits necessary for the transition. General properties:

power (kW): 16;
Efficiency on solid fuel/gas (%): 75/82;
gas consumption (m3/h): 2;
weight (kg): 139-154;
length/width/height (mm): 700/470/1030;
heated area (m2): 160.

Only one unit in the line is equipped with a traction regulator, which makes operation easier. In improved solutions, the shortcomings associated with its absence are compensated by the decent adaptability of gas burner systems and the good performance of the DHW circuit. The modest design of the classic version is explained by the desire to ensure ease of use.

Operating principle ↑

The functioning scheme is simple. The elements that make up a regular Don 16 boiler are few, they are simple: a firebox with a water jacket, temperature sensors, a pipe system supplemented with turbulators. When burning fuel, the water cavity heats the injected water, convection amplifiers send the liquid into the general circuit through the upper pipe, and it is replaced by cold flows supplied to the lower one. The meter monitors and corrects the temperature.

Although the devices are manufactured on the same base, they have slightly different structures. The difference is in the details. The letters that make up the brand name will help you figure out what advantages they offer in each case. There are nine letter designations: 1). "K" - boiler. 2). "T" - solid fuel. 3). "G" - gas. 4). "M" - modified. 5). “C” - with a steel heat exchanger. 6). “C” - with cast iron. 7). “B” - with a water coil. 8). “P” - with draft regulator. 9). "TG" - universal.

Advantages and disadvantages ↑

Steel heating boilers "DON" are designed for heating premises with an area of up to 400-500 sq.m.

Consumers appreciate the compliance of the equipment with domestic conditions of use (severe and long frosts, hard water), and the energy independence of its mechanisms. Previously, consumer interest was aroused by the good technical characteristics of the lines; now the stability of demand is supported by such qualities as:

excellent thermal insulation and high safety (provided by an 8 mm casing);
an impressive period of independent combustion with low fuel consumption (the presence of a lined chamber makes the Don 16 boiler capable of operating on one load for up to 8 hours);
durability (due to the case being made of 3 mm steel);
maintainability (parts can be replaced).

Lining critical bunkers prolongs thermal processes, increases efficiency, thereby guaranteeing decent efficiency. It also, as reviews indicate, leads to a decrease in ease of use. Additional processing of sections increases:

heaviness (the Don 16 boiler is prohibited from being hung or placed on thin supports; it should be placed on thick floors or platforms);
demands on fuel (humidity up to 15%; if the standards are neglected, smoke and soot will appear);
uncontrollability (difficult to accurately calculate the operating speed and set the heating temperature);
capriciousness in installation, which is what owners most often complain about.

What does the manufacturer offer?

Models KS T 16 (16 kW) and KS TV 31.5 (31.5 kW) are designed to operate exclusively on solid fuel . Accordingly, they can heat rooms and buildings with an area of up to 160 m2 and up to 310 m2.
The universal model KS TGV 16-20 includes a gas burner and a coil . It is capable of operating on solid fuel and gas; in the latter case, the power of the device reaches 20 kW, which allows heating an area of up to 200 m2.

Using solid fuel, the efficiency of the equipment reaches 75-76%, which is a good result. It is possible to achieve this thanks to a specially designed firebox and a unique water jacket.

Heating boiler Don connected to the home heating system

In the latter, water is evenly distributed throughout the boiler body, and an 8 mm layer of heat-insulating material retains its heat for the heating system. Therefore, the coolant does not waste extra energy on heating the environment and heating the surface of the device.

Steel – the body and combustion chamber are 3 mm thick, which ensures long-lasting operation of the equipment, even with intensive operation. The service life of the device declared by the manufacturer is 15 years.

Thanks to its large firebox, the DON solid fuel boiler is capable of operating autonomously on one load of firewood for up to 8 hours. You no longer need to be distracted from your work to add firewood. The equipment has all certificates of compliance with safety standards.

Advantages

Let's take a closer look at the capabilities of the heating device:

Hot water	In addition to single-circuit heating boilers, the equipment line also includes double-circuit ones. They are capable of providing residents with hot water with a volume of 390-740 l/h.
Versatility	They operate on solid fuel and natural gas. The dimensions of the firebox allow the device to operate on solid fuel for up to 8 hours. All universal models are equipped with gas burners. Therefore, when connecting a gas main to the house, you can install the burner in the boiler yourself.
Energy independence	Don heating boilers of the entire model range do not require electricity. Therefore, power outages cannot in any way affect their performance. You can be sure that even if the power goes out in the house, heat will be supplied to it at the same rate.
Additionally	The undeniable advantage of floor-standing boilers: durability of at least 15 years; wide power range from 16 to 31.5 kW; undemanding to the quality of the coolant.

The dimensions of the firebox allow the boiler to be operated for up to 8 hours without changing fuel

Cost-effectiveness and reliability of equipment

One of the main parameters influencing the choice of a heating device is its efficiency. In our case, it approaches the 75% mark, and in some cases exceeds it, which is considered an excellent indicator. This reduces the operating cost of the device.

When determining the efficiency of the heating equipment in question, we recommend paying attention to the following features:

the presence of thermal insulation between the lining and the heat exchanger, which prevents unproductive losses of heat energy;
how large is the surface area that heats the coolant by combustion products.

Advice: heating devices are more economical if the sum of the heat exchanger surface areas is greater.

In the photo - a non-volatile heating system

Reliability should be understood as the ability of equipment to function without failure in our special conditions, which include:

fluctuations in gas pressure within the range of 0.6-2.0 kPa, alas, are not uncommon;
lack of electrical energy. Typically, domestic devices of this type do not require connection to an electrical network, while imported ones in most cases do not work without it. For them you need to purchase an additional UPS;
quality of manufacture of the necessary controls.

Solid fuel boiler diagram

The following parameters are accepted as boiler safety criteria:

to what temperature do the outer surfaces heat up? Up to 50˚C is considered safe, which can only be facilitated by a layer of thermal insulation between the casing and the body;
how the automation is protected from mechanical damage during operation of the equipment, due to which its settings may be lost or it may completely fail;
Is it possible to diagnose the device?
reliability of controls.

Advice: we recommend purchasing only devices where the controls have maximum protection from various damages.

Gas heating boiler Don in section

When choosing, pay attention to the presence of a thermometer, which indicates the temperature of the coolant inside the boiler. If gas is used as fuel, the heating device must have an automatic system that will prevent the water from boiling and turn off the gas supply in the absence of draft or when the pilot burner goes out.

Connecting a solid fuel boiler to the chimney

Convenience and safety of operation

In this case, we mean the possibility of unhindered execution:

ignition - in most cases it is carried out using a torch and does not cause difficulties;
diagnostics - visual control of the temperature of the water inside the stake must be provided;
settings - clear instructions for operating the automation are required, and the controls must be conveniently located;
prevention - inspecting the gas burner device, cleaning the smoke pipes, convenient access to various components and their unhindered removal if necessary.

Solid fuel boiler with installed gas burner

Reviews ↑

On a professional forum, the installer Melky writes that in the villages of his region they order only such solid fuel boilers, everyone is happy. In response, Lis criticizes the KS-T-16R model. He is angry that in winter he is on duty at the stove, adding firewood every 3 hours, struggling with the tricks of the traction regulator, suffering from the cold. Nikola SD gives him a hint: the problems are created by the ill-conceived operating principle, which requires igniting all the loaded fuel at once. The combustion is uneven; adjusting the damper does not help. It is especially difficult to achieve the required performance in the off-season.

Brief operating instructions ↑

1). Fill the system with fresh water in small portions (maximum 8 l/min) until liquid is released from the overflow tube of the expansion tank. 2). Proceed with kindling, focusing on the nature of the fuel: I. Ignition of the CT: a). open the primary air plug, bring a rolled newspaper to the gap between it and the screw valve, make sure there is traction (the pages will be pressed); b). Fill the receiving chamber evenly halfway with firewood, set it on fire, and when ignited, pour small (up to 25-30 cm) pieces of coal on top; V). put no more than 5-6 kg of fuel at one time, spend about an hour loading the bunker; then set the gate so that the thrust is stable. II. Starting the gas burner: a). ventilate for 5-10 minutes. combustion unit by closing the main valve; b). check the traction force by bringing a sheet of paper closer to the viewing window; V). open the air supply valve, light the fire. 3). Close the doors; later adjust the temperature with a mixer or coil valve.

Video materials ↑

KST 16 - long-term top burning boiler

When planning a heating system in a private home, owners often try to find a universal solution that allows them to easily switch from solid fuel to gas. On the Russian market there are models of heating devices capable of solving this problem. One of such devices is the Don 16 solid fuel boiler. In this material we will talk about the features of its design, advantages and disadvantages, and also provide user opinions.

So what is this model? The Don 16 boiler is a steel household solid fuel boiler with a water circuit, designed for heating houses or other small premises and for organizing hot water supply. Wood or coal can be used as fuel, and with minor modifications, pellets or gas. Let's take a closer look at its design and find out what allows it to achieve such versatility.

First start of the heating boiler

Solid fuel boiler

Then follow the following steps to properly start the heating system:

Cleaning the firebox and ash pan from soot. This can be done with a metal brush;
Checking the condition of the chimney. Its pipe must be securely connected to the boiler pipe.

A gas boiler

How to correctly start heating with a gas boiler? After filling the system with water, you need to do the following:

There is a valve at the bottom of the boiler that shuts off the flow of water into the circuits. After the end of the heating season it can be closed. Therefore, you need to open it - the pressure gauge readings will change. The pressure value should not exceed 3 atm;
After heating the coolant, you need to open the make-up tap again. If there are air pockets left in the system, you can remove them using Mayevsky taps. The pressure in the system may decrease slightly during this stage;
In fact, you will have to start the heating radiator 2 times. The first - during filling with coolant, and the second - when turning on the boiler;
The correct functioning of the boiler is controlled by the values on the dashboard.

The result of starting heating in a private house should be a stable temperature regime of the entire system, as well as the absence of pressure surges in the pipes.

Design features and main characteristics

Like most solid fuel models, the Don 16 boiler is a steel device with a water jacket. Its main part is the firebox. Manufacturers deliberately increased its size so that it could hold more fuel, thereby ensuring longer combustion. The fuel chamber is made of a special alloy, which makes it resistant to corrosion.

Photo 1: Steel universal solid fuel boiler Don 16

The second significant part of the Don 16 hot water boiler is the heat exchanger. Its task is to ensure maximum heat removal and transfer it to the coolant. To ensure maximum heat removal, the heat exchanger is designed in such a way that smoke pipes pass through it. For even better heat transfer, turbolizers are installed inside them. The heated coolant is supplied to the heating system through the upper pipe. The water is returned to the solid fuel boiler through the return line pipe. The temperature of the coolant is controlled by a temperature sensor.

Photo 2: Ash pan of the Don 16 boiler of the old modification

In Don 16 double-circuit boilers, a coil is installed inside the heat exchanger around the smoke pipes. Due to its proximity to the heat source, the water in it quickly heats up, uninterruptedly providing the home owner with hot water for sanitary needs. The flow rate is controlled by a valve or mixer.

Operating principle of the boiler

Heaters operating on gas fuel may differ from each other in design and technical characteristics, they all use the same principle - heating the working environment of the heating system using burning fuel, in our case natural gas.

Gas is used not only for space heating, but also for heating water. For this purpose, either water columns or double-circuit boilers are used. The equipment used these days is equipped with highly effective safety systems - they keep the gas combustion process under control. But, nevertheless, there are mandatory rules for the use of gas equipment and compliance with them can become a guarantee of safety.

Before putting the equipment into operation, the user must ensure:

There is the required amount of working fluid in the heating system.
The fact that the burner and safety valve are in working order.
Measuring instruments show correct data.
The operating temperature of the boiler device should not fall below 65 degrees. This may lead to condensation.

Advantages of the Don 16 boiler

Let's look at the main advantages of domestic Don 16 boilers:

Versatility

In cases where heating is needed now, and the gas main is already on the way, it is very convenient to install a solid fuel boiler, and then convert it to gas without any special costs.

Economical

The huge dimensions of the combustion chamber allow the solid fuel boiler to operate on one load for up to 8 hours, which is very good in comparison with analogues. The use of an American Honeywell draft regulator can reduce fuel consumption by 30%.

Electronically independent

The boiler is designed in such a way that no power supply is required during its operation. This parameter is especially important for owners of houses or cottages in new villages that are not yet equipped with power lines.

Resistant to hard water

For central Russia, hard water is a common occurrence. It forms scale on the walls of the heat exchanger, heating system pipes and the hot water heating coil, which significantly reduces their service life. The materials used in Don 16 significantly reduce the effect of hard water.

Photo 5: Trimming of a floor-standing wood- and coal-fired boiler Don 16

A few words need to be said about the shortcomings. The main disadvantage is the relatively low efficiency, similar in values to home-made long-burning pyrolysis boilers. With the exception of working with a pellet burner connection, working on one load is also not great.

Return to contents

Recommendations for installation and wiring

Many who decide to buy a Don 16 solid fuel boiler install it themselves. If you decide to install and connect the heating device yourself, then read the following tips:

After installation, it is necessary to insulate the space in front of the firebox with an area of at least 0.5 m² using steel or asbestos sheets.
When piping according to the gravity scheme, it is necessary to place the boiler below the level of the return line pipes. This position will improve the circulation of water in the heating system.
The chimney must be located inside the building. When a chimney passes through unheated rooms, these areas should be insulated with thermal insulation. To remove flue gases, it is allowed to use asbestos cement pipes. The cross-section of the chimney must be no less than the smoke outlet pipe of the solid fuel boiler.
As noted above, the installation of gas equipment must be carried out by appropriate services licensed to carry out this work.

For more information about the operation of Don 16 with a pellet burner, see the following video:

The Don 16 household boiler is a prominent representative of the new generation of domestic heat generators, which include Russian household long-burning pyrolysis boilers. Like any other device, it has its pros and cons, but the main advantage of boilers made in Russia is their low price. In the end, the final decision on which device to buy is still yours.

Setting up the heating system

You can establish efficient and stable operation of the heating system after the boiler has been successfully started.
To set up, you will need to understand the control valves. In most cases, the batteries that are located furthest from the boiler do not have enough heat. This can be corrected if the supply of heated coolant is distributed evenly. To do this, screw in the taps to adjust the first two radiators. The tap of the first radiator needs to be screwed in half, and the subsequent ones a little less. Observe the effect achieved. It may take several days of adjustments and adjustments to get each radiator to heat evenly. However, in general, the system at this stage already works normally and warms the room.

https://youtube.com/watch?v=apDoB4KZNWs