Instructions for the operation of the geyser Beretta. Instructions for the operation of gas boilers beretta. Which column is better to choose

Gas boilers, which provide a source of thermal energy for an autonomous heating system, are the most convenient and efficient option.

They are able to work in automatic mode, do not require constant human participation, and are economical and efficient.

The striking representative of the group of gas heating boilers are the Italian Beretta units, which demonstrate excellent performance in combination with affordable prices.

Beretta boilers are reliable and stable in operation, they are constantly monitored by their own self-monitoring system of the state of parts and assemblies.

Consider the most common malfunctions of these units and how to solve the problems that arise in connection with them.

The main malfunctions of gas boilers Beretta

The design of Beretta boilers is a reliable and durable engineering solution that takes into account all the loads and effects on the parts and assemblies of the unit.

The most probable malfunctions occur in the most critical units experiencing maximum temperature or dynamic loads.

According to experts, the most common malfunctions include:

Lack of flame on the burner, causing blocking of the boiler. This problem occurs most often, since it can be caused by various reasons, from clogging of the burner nozzles, to the cessation of gas supply to the main.
Failure of the control board - burnout of parts or failure due to the ingress of condensation. This is one of the most frustrating problems for the user, since replacing the control board is a very expensive procedure.
Boiler shutdown due to exceeding the admissible flue gas pressure. Here, the reasons can be both clogging with soot or the appearance of ice at the exit from the chimney, as well as an increase in wind, which creates excessive pressure in the chimney.
Failure of any self-diagnosis sensor. The boiler control system recognizes such situations as an equal error and immediately takes appropriate action.
Low water pressure in the supply pipe of the heating circuit. If make-up does not help to solve the problem, then a leak or failure of the expansion tank is possible.

IMPORTANT!

The listed problems are among the most common, but this does not mean that they are obligatory - during operation, any accidents are possible, and the described situations may not appear at all.

Beretta CIAO 24 CAI

This device is designed for wall mounting, it has two heating circuits - heating and hot water circuits, with an open combustion chamber. What are the main advantages of this equipment? We indicate with the following list.

There is an information display.
The power can be adjusted smoothly.
Automatic adjustment of the temperature regime of the coolant.
The circulation pump has three speeds and is fault-proof.
Possibility to reconfigure equipment for liquefied gas.
The wall thickness of the heat exchanger has been increased on the latest models.
The installation has an ionization type flame control.
The water pressure is controlled by a hydraulic pressure switch.
There is also a smoke exhaust control.

In order to understand how this unit works, we give a brief instruction on this Beretta wall-mounted double-circuit gas boiler.

The operating modes are indicated by special icons on the indicator panel of the unit.
To activate the operation of the equipment, it is necessary to turn on the power supply, open the gas valve, adjust the room temperature regulator and set the "winter" or "summer" mode according to the situation.
Disconnection is made by a special "off" button.

In the original, the instruction for the wall-mounted gas boiler Beretta has an electrical, hydraulic diagram, possible malfunctions and a description of installation rules with drawings. After eliminating minor problems, the boiler is started by the reset button.

The described device has some relative disadvantages. We list them below:

since the combustion chamber is open, it is necessary to have an equipped chimney in the room;
clogging of sensors is possible.

We have dealt with this model, and now we will study another model.

Wall mounted Beretta CITY 24 CSI

This equipment is also designed for wall mounting. There are also two circuits here, but the combustion chamber is closed, respectively, the smoke extraction is forced. Power is 24 kW, and the area of the heated room can reach 240 m2.

The main top quality equipment is listed below.

copper primary heat exchanger;
protection against freezing and overheating;
automatic diagnostics of equipment errors;
the heating temperature of the coolant is automatically regulated;
power is smoothly regulated;
frost protection and pump blocking.

As you can see, this model has functions similar to those of the previous model. Now we will give a short instruction manual for the described Beretta gas boiler.

The indicator panel also uses icons, conventional images are deciphered in the technical passport.
Connection of a remote control is possible.
Installation rules are detailed on the pages of the technical passport.
The passport indicates the connection diagram to the horizontal coaxial chimney, which must be purchased separately.
To start the equipment, it is necessary to fill the system with water, turn on the power, open the gas valve, set the regulator to room temperature. Switch on the "winter" or "summer" mode.
Disconnection of the equipment is carried out by the shutdown button.

It also lists error codes. That is, these are encrypted faults that the Beretta double-circuit gas boiler can show on the display panel. However, we will now talk about them in more detail.

Comparison and problems

To summarize, we made a pivot table for the two described models. The bottom line is this: boilers are roughly similar, and both are very attractive to consumers. This table is:

The table below includes information about the faults of one or another Beretta gas boiler that have occurred among consumers. Let's write down what you can try to do in case of certain problems with your own hands.

Among the malfunctions of the Beretta gas boiler, there may be breakdowns in which the unit does not turn on. Most likely, the reason is either the lack of water, or the lack of power supply. The worst case scenario is the failure of the motherboard. Only the service department will help here.
Blockage is possible due to overpressure of the chimney, but this can happen due to strong street wind.
The automatics must determine the malfunctions of the sensors itself.
The equipment may also not turn on due to condensation in the chimney, the latter must be checked, among other things, if the unit does not turn on.
There are cases of equipment failure due to frost at the chimney outlet. The sensor is triggered, as a result, the equipment does not work.

These are the main problems that can be encountered when operating the described boiler equipment.

Heating boilers Beretta provide comfort and space heating at the same time.With the help of Beretta heating equipment, the required temperature regime will be maintained in the building and liquids for the needs of the consumer will be heated. The characteristics of Bosch heating equipment are described.

Boiler units can operate both on wood and gas. Today on the market of heating systems there is a large assortment of devices that differ in power indicators, functionality and price. Based on your desires and the thickness of your wallet, you can choose a suitable heating device for your home.

The main advantages of Beretta gas appliances:

There is no need to accumulate energy material;
Comfortable overall dimensions;
The ability to heat water;
Automatic room temperature control system;
Availability, reliability, quality.

Gas-type boilers Beretta are used both for natural and for forced circulation of the coolant in the heating system. They have burners made of "stainless steel" with a low noise floor.

Adjustment of the level of the working light of the device can be carried out by both a piezoelectric and an electric element.

The equipment manufactured by Beretta can work from the network, or it may not need electricity at all, which is a significant plus for Russia:

Profitability;
Can be installed in homes without electricity.

Beretta equipment has a high efficiency rate of 97% and meets European quality standards.

Types of gas heating boilers Beretta

Today, the following types of gas-type Beretta boilers are provided on the Russian market:

Wall-mounted boilers - this equipment is lightweight and lightweight, perfect for heating private houses;
Floor standing boilers, the most popular model is Beretta Novella Avtonom 64, which has the status of the most efficient in the field of autonomous space heating;
Single-circuit equipment designed for space heating and having the function of connecting a boiler for heating water;

Instruments with 2 circuits capable of performing two functions simultaneously:

heat liquid for household needs;
maintain a comfortable temperature level in the building;

The most popular in Russia are models of boiler equipment related to wall-mounted Beretta gas-type heating boilers, with two heating circuits.

The following models of Beretta gas boilers are in demand:

gas boiler Beretta CIAO 24 CSI - the boiler is equipped with a closed combustion chamber, designed to heat a room of 240 sq.m. A variation of the Beretta City 24 CSI model;
gas boiler Beretta Novella autonomous - solid fuel boiler made of cast iron. Designed for heating the room without being connected to the electrical network.

Operating instructions for the gas boiler Beretta

Gas heating equipment Beretta meets all international quality standards. Gas boilers not only have a high level of wear resistance, but also boast ease of use.

For example, in order to set up a gas boiler, it will be necessary to smoothly and evenly adjust the power of the device. Determine the required flame rate on the burner, as well as check the gas supply.

Make sure that the gas pressure is correct.

Beretta gas boiler malfunctions

Nothing is perfect, because any device can fail, even a Beretta gas boiler. The most common breakdown during the operation of a heater is considered to be a failure of a gas burner or a decrease in the level of gas pressure.

How to run self-test

The self-diagnosis system is a network of sensors located on all important and critical parts and assemblies of the boiler..

They do not need to be started, since they operate in a continuous mode, from the moment of switching on to stopping the operation of the unit.

Therefore, the start of the self-diagnosis of the gas boiler as a separate function is not possible.... Moreover, if it occurs to someone to stop the operation of the system, then no result will work - it is impossible to stop the process by standard methods, and the disconnection of the sensors is regarded by the control board as the same error causing the boiler to block.

The self-diagnosis system is an integral part of the gas boiler operation process, which ensures the safety of the equipment and notifies the owner or repairman about the localization of the defective unit.

Additional instructions

The gas boiler "Beretta", reviews of which are only positive, must be connected to the gas pipeline pipes, which are made exclusively of metal. The use of flexible hoses is permissible only for connecting individual consumers. The chimney must have a cross-section that corresponds to the power parameters of the unit. If it is equal to 30 kilowatts, then the diameter of the chimney should be 130 millimeters. With an increase in power to 40 kilowatts, the diameter increases to 170 millimeters. In no way should the cross-sectional area be allowed to be less than the cross-sectional area of the hole for connecting this element.

If you decide to choose the Beretta gas boiler, the installation instructions for which are presented in the article, then it is important to remember that the upper end of the chimney should be brought out 0.5 meters above the ridge. This value is minimal.

Error codes and their decoding

Consider the main error codes (pictures) of Beretta boilers:

The code	Decoding
A01	Boiler shutdown due to lack of flame on the burner
A02	Boiler blocked by thermostat signal (overheating)
A03	Exceeding the permissible flue gas pressure
A04	Low pressure of the heating agent in the heating circuit
A05	DHW temperature sensor failure
A06	Heating circuit temperature sensor failure
A07	Thermal relay does not open
A11	Parasitic flame (a flame is detected when the burner is off)
A24	Fan failure
ADJ	The setting of the upper and lower limits of the boiler output is required.
E33	Incorrect phase and neutral connection of the power supply
E35	Pressure switch failure
E37	False flame, chimney problems
E38	Smoke sensor short circuit
E39	Broken smoke sensor contacts
E40	Unstable supply voltage
E42	Short circuit of the pressure sensor of the direct line of the heating circuit
E43-44	Opening of contacts or short circuit of the pressure sensor on the return line of the heating circuit
E46	Overheating of the coolant
E48	The fan is peddling

NOTE!

Errors of type "A" require a restart of the boiler, and errors of group "E" disappear after the cause has been eliminated without the need for a restart.

Technical characteristics of some models of boilers "Beretta"

Review of boilers "Beretta" should help you make the right choice. For example, the "Beretta City" model is a double-circuit equipment with instantaneous heating of the coolant. This model has two separate heat exchangers, one for heating, the other for heating.

You can find 2 modifications of this equipment - with open and closed combustion chambers. The models can have two powers - 24 and 28 kW. As for the Beretta Mynut DGT model, the manufacturer added a heating and hot water temperature regulator to it.

Self-diagnosis is carried out by giving results to a liquid crystal display. But the model "Beretta boiler" has a built-in capacity of 60 liters, has two expansion tanks, one of which holds 8, and the other - 2 liters.The hydraulics block is complemented by a hot water control group and an 8 bar blast valve.

Popular breakdowns and their elimination

The lower the serial number of the error, the more often it occurs during the operation of the Beretta boiler.

Let's consider the most common errors and possible ways to fix them.:

A01. Blockage due to lack of flame. There may be several reasons - problems with the gas supply in the main line, the gas supply valve to the boiler is closed, the burner nozzles are heavily clogged. Find out if there is gas in the line, clean the burner and nozzles.
A02. Overheating of the heat exchanger indicates a lack of water. Check the operation of the circulation pump and the extract air pressure, add fluids to the system.
A03. High pressure in the chimney indicates blockage of the outlet with ice, frost, accumulation of soot. Weather factors are possible - strong gusty wind.
A 04. The drop in coolant pressure may be caused by a lack of fluid. Check the system for leaks, if found, repair.
A05. Malfunctions of the DHW line thermistor are eliminated by replacing the sensor.
A06. A defective heating circuit thermistor must be replaced immediately.
E33. It is necessary to swap the electrodes in the power plug. Beretta boilers are phase-dependent, do not work if the phase wire is incorrectly connected.
E46. Exceeding the permissible temperature of the coolant indicates problems in the circulation of the liquid. CHECK the operating mode of the circulation pump.
The bell symbol (bell, p) flashes. This is a signal from the chimney pressure sensor, indicating that there is an obstruction to the exit of smoke, the formation of ice or frost at the exit of the chimney.

IMPORTANT!

The Beretta boiler error is reset by pressing the shutdown button and restarting the boiler after 5-6 seconds.

Consumer feedback on single-circuit systems of the "Beretta" brand

Single-circuit equipment is designed to supply hot water to the heating system. Such designs, according to users, allow heating the premises, which does not depend on the volume of water consumption and the number of end users. Customers love that such equipment can be floor-standing or wall-mounted, which saves space when needed.

An additional feature of wall-mounted single-circuit boilers is their compact size. Buyers note that in the heating system of the coolant, you can adjust the temperature level, which is ensured by connecting a thermostat. The work power can be adjusted smoothly. Consumers, in their words, do not have to worry about the need to turn off the circulation pump if the temperature outside the window suddenly drops to a critical level. Such systems can be controlled remotely. You can control the parameters using the liquid crystal display.

User's manual

Operation of Beretta boilers is carried out in automatic mode, which does not require constant human participation.

The user is only required to adjust the heating mode according to his own feelings, transfer the boiler to winter or summer mode (turn off or start the heating circuit), maintain the cleanliness of the case and periodic maintenance (by the service personnel).

All serious problems are solved only by calling the wizard - elimination of constantly occurring errors or incomprehensible phenomena that occur with the boiler in operating mode.

In addition, the user independently fills the system with water (or make-up as needed).

The process consists in supplying liquid through the make-up valve and filling the system until the water pressure reaches 1-1.5 bar.This is below the working pressure, but when heated, the water will expand and, due to the increase in volume, the pressure will reach the desired value.

Download instruction

Download instructions for gas boilers Beretta.

The boiler starts up automatically when the required temperature of the coolant in the system is set.

Do not pour water into a hot boiler due to the risk of destruction of the heat exchanger... Wait until the boiler cools down, and only then pour water.

What else should you pay attention to

Be sure to provide a gas analyzer to be located in the boiler room. With this device you can prevent gas leaks. The device must be equipped with an electric valve. The latter is designed to shut off the gas supply if necessary.

, a gas boiler of which you can purchase at specialized points of sale, indicates the possibility of placing the equipment in the basement of an exclusively single-family house. With regard to multi-storey buildings, the installation of the device in the basement is prohibited.

Heating boilers Beretta provide comfort and space heating at the same time. With the help of Beretta heating equipment, the required temperature regime will be maintained in the building and liquids for the needs of the consumer will be heated. The characteristics of Bosch heating equipment are described.

The main advantages of Beretta gas appliances:

There is no need to accumulate energy material;
Comfortable overall dimensions;
The ability to heat water;
Automatic room temperature control system;
Availability, reliability, quality.

Gas-type boilers Beretta are used both for natural and for forced circulation of the coolant in the heating system. They have burners made of "stainless steel" with a low noise floor.

Adjustment of the level of the working light of the device can be carried out by both a piezoelectric and an electric element.

The equipment manufactured by Beretta can work from the network, or it may not need electricity at all, which is a significant plus for Russia:

Profitability;
Can be installed in homes without electricity.

Beretta equipment has a high efficiency rate of 97% and meets European quality standards.

Types of gas heating boilers Beretta

Today, the following types of gas-type Beretta boilers are provided on the Russian market:

Wall-mounted boilers - this equipment is lightweight and lightweight, perfect for heating private houses;
Floor standing boilers, the most popular model is Beretta Novella Avtonom 64, which has the status of the most efficient in the field of autonomous space heating;
Single-circuit equipment designed for space heating and having the function of connecting a boiler for heating water;

Instruments with 2 circuits capable of performing two functions simultaneously:

heat liquid for household needs;
maintain a comfortable temperature level in the building;

The most popular in Russia are models of boiler equipment related to wall-mounted Beretta gas-type heating boilers, with two heating circuits.

The following models of Beretta gas boilers are in demand:

gas boiler Beretta CIAO 24 CSI - the boiler is equipped with a closed combustion chamber, designed to heat a room of 240 sq.m. A variation of the Beretta City 24 CSI model;
gas boiler Beretta Novella autonomous - solid fuel boiler made of cast iron.Designed for heating the room without being connected to the electrical network.

Operating instructions for the gas boiler Beretta

Gas heating equipment Beretta meets all international quality standards. Gas boilers have not only a high level of wear resistance, but also boast ease of use.

Make sure that the gas pressure is correct.

Does not start (does not light up) - reasons and solution

The failure of the boiler at startup can be caused by various reasons, which can be determined either by the corresponding error code, or by checking the status of the boiler independently. The simplest option is the absence of gas in the main line.

This problem is external, it can only be solved by contacting the gas service.... The gas supply valve on the unit itself may be closed. There is one more reason for failure in ignition - polarity reversal of the power wires. It is shown on the display as code E33.

The solution to the issue is to reconnect the wires... Such a situation may arise even after a certain period of normal operation of the boiler, if any work was performed on the power supply panel and the phase and neutral were reversed by mistake.

If you cannot find the reason for the failure to ignite the boiler, you should contact a service workshop.

Reviews about the rules for installing a gas boiler

Many people like the products of the Beretta trademark. A gas boiler from this manufacturer can be purchased at an affordable cost. Before you start installing the device in a private house, you will need to prepare some documentation, as well as carry out certain actions. Thus, a contract for the supply of gas for the developer, a project for the installation will be required. Specifications must be agreed with the gas service representative.

Design documentation is most often developed by specialists from institutes who work under an appropriate license. Gas equipment should be installed by professional installers.

According to users, an engineer from a district organization must visit the site in order to check whether the gas is correctly supplied to the kitchen and the furnace, whether the requirements are met. Recently, quite often, consumers have chosen goods of the Beretta brand, and the gas boiler is also no exception.

After the specialist is convinced that all the standards are met, he will issue a conclusion, on the basis of which it will be possible to open the valve that leads to the equipment. The heating system must be pressurized to P = 1.8 atm.

It will be important to de-air the heating system. Experienced users emphasize that connections must be checked for leaks, a voltage stabilizer must be installed for the equipment and a source that will be responsible for uninterrupted power supply. It is worth remembering that in no case should antifreeze be added to the heating medium.

How to check the sensors

All sensors of the Beretta boiler are part of the self-diagnosis system. They not only perform control functions, but are themselves objects of observation.

This means that in case of failure, short circuit or wire breakage of any sensor, the corresponding error code will immediately appear on the display of the boiler control panel. The system polls the sensors automatically at the moment of switching on, no special actions are required from the user.

Most of them are thermistors that respond to changes in temperature conditions or indicators outside the established operating mode of the frame.The design of the elements is simple, replacement, if necessary, is not difficult and does not take much time.

It is not recommended to change any elements of the boiler yourself, you need to call the master from the service center.

Adjustments and maintenance of the boiler Beretta Chao

Adjusting the maximum and minimum power for the DHW circuit

- Fully open the hot water tap.

- set the switch to Summer mode.

- set the temperature regulator in the DHW circuit to the maximum position.

- Turn the main switch to the on position to turn on the electrical power to the Beretta Ciao 24 CSI boiler.

- Make sure that the pressure displayed on the pressure gauge is stable; alternatively, take a milliammeter, connect it in series with the modulator and ensure that the maximum available current is supplied to the modulator (120 mA for G20 gas and 165 mA for LPG).

- Remove the protective cap from the adjusting screws on the gas valve by gently prying it off with a screwdriver.

- Using a standard CH10 spanner, turn the maximum power adjusting nut to obtain the desired pressure.

- Disconnect one terminal from the modulator.

- Wait until the displayed pressure value on the pressure gauge has stabilized at the minimum level.

- Using a screwdriver or a special wrench, turn the red minimum power adjustment screw until the required pressure is displayed on the pressure gauge.

- Connect the terminal back to the modulator.

- Close the hot water tap.

- Carefully and carefully slide the protective cap back onto the adjusting screws.

Electronic regulation of the minimum and maximum power of the Beretta Chao boiler in heating mode

The electronic regulation function is enabled and disabled only with a jumper (JP1). The control panel will blink green and red alternately.

This feature can be enabled in one of the following ways:

- It is possible to supply power to the board when jumper JP1 is installed and the mode switch is in the winter position, regardless of whether there are any requests to operate in another mode or not.

- By installing jumper JP1, the operating mode switch must be in the "winter" position, and there must be no current demand for heat production.

When this function is activated, the burner is ignited, due to the fact that the demand for heat production for the heating system is simulated.

Follow the instructions below to complete the setup procedure:

- Switch off the Beretta Ciao 24 CSI boiler.

- Remove the cover to gain access to the electronic board.

- Install jumper JP1, the knobs located on the control panel will begin to perform the functions of adjusting the minimum and maximum power in heating mode.

- Make sure that the operating mode selector is in the winter position.

- Switch on the power supply to the unit. The electronic board is energized (230 volts).

- Turn the heating circuit temperature control knob until the minimum gas pressure for heating mode is reached.

- Install jumper JP2.

- Turn the DHW temperature control knob until the maximum gas pressure for heating mode is reached.

- Reconnect the pressure compensation connection to the air sampling chamber.

Disconnect the pressure gauge and tighten the screw on the pressure gauge connection.

To exit setup mode without saving the setpoints, do one of the following:

Set the mode switch to the (OFF) position.

Disconnect the power supply.

Remove jumper JP1 / JP2.

The setting mode ends automatically, and the minimum and maximum values are not saved, after 15 minutes after its activation.

The setting mode ends automatically also in the event of a preliminary or final emergency stop. In this case, the specified parameters will also NOT be saved.

To set only the maximum power in heating mode, you can remove the JP2 jumper (in order to save the maximum), then exit the setting mode without saving the minimum, for which set the operating mode switch to the (OFF) position or turn off the power supply to the boiler. Beretta Ciao 24. After every change in the gas valve setting, place a seal on it.

At the end of the adjustments:

- Return the temperature set on the room thermostat to the required value.

- Set the water temperature regulator in the heating system to the required value.

- Close the panel with monitoring and control devices.

- Refit the casing.

Maintenance of Beretta Ciao 24 CSI boilers

In order for the Beretta Chao boiler to operate reliably and efficiently, it must be systematically maintained at regular intervals.

The frequency of maintenance depends on the specific installation and operating conditions, but in any case it is recommended that a qualified service technician does the maintenance at least once a year.

In case of repair or maintenance of structures located near the chimney and / or devices for removing flue gases and their components, turn off the device, and after completing the work, a qualified technician must check the operation of the boiler.

Before carrying out any cleaning or maintenance operations on the boiler, set the operating mode switch to OFF / RESET position and turn off the main switch and shut off the gas supply line using the valve installed in front of the appliance.

During the planned maintenance of the Beretta Ciao 24 CSI boiler, the following operations are performed:

Removal of oxides from the burner;

Descaling inside the heat exchanger (if necessary);

Checking and general cleaning of chimneys and air ducts;

Checking the appearance of the unit;

Diagnostics of ignition, shutdown and operation of the Beretta Ciao 24 CSI boiler, both in DHW mode and in heating mode;

Checking the tightness of connecting adapters and pipelines for connecting gas and water;

Checking gas consumption at maximum and minimum power;

Control of the position of the ignition electrode - flame detection;

Diagnostics of the safety device actuation in case of gas failure;

Checking combustion parameters

To perform an analysis of combustion products, perform the following sequence of actions:

- open the hot water tap to the maximum.

- set the mode switch to "summer" mode.

- set the temperature regulator in the DHW circuit to the maximum value.

- Unscrew the screw on the cover that covers the flue gas sampling port for analysis and install the gas analyzer probe.

- Switch on the electric power supply to the boiler.

The boiler will operate at maximum power, which will allow the analysis of combustion products. After completing the measurements, close the hot water tap, remove the gas analyzer probe and close the fitting used for sampling combustion products for analysis by carefully tightening the screw that was previously removed.

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OPERATION AND REPAIR OF BOILERS
Proterm Panther

The pump does not work - what to do

If a failure of the circulation pump is noticed, it is necessary to stop the operation of the system and call the wizard.

There can be several reasons for failure, from power supply problems to mechanical problems.... The first reason is determined by testing and checking the condition of the pump motor.

The second reason can be detected by checking the condition of the moving parts of the pump, the absence of difficulties when rotating or moving parts of the mechanism, breakdowns or wear of gears and other elements.

The decision to repair or replace the pump is made based on the result of an examination of the performance and condition of the unit parts.... If the forecast for repair work is favorable, the pump is restored, otherwise a complete replacement is required.

How to flush the heat exchanger

Beretta boilers are equipped with either separate or bithermic (combined) heat exchangers. In the first case, flushing gives a greater effect, the second type of heat exchangers is difficult to flush due to the design features.

There are two ways to flush:

Mechanical... Requires disconnection of the heat exchanger from the boiler. The results of such washing are not particularly successful, since it is extremely difficult to clean the inner surfaces by mechanical means.
Chemical... It does not require dismantling the heat exchanger, but it is done using a special device. It has a fairly high efficiency, is able to remove scale and extend the service life of the unit.

For flushing, special reagents are used that dissolve scale and remove it from the inner cavity of the heat exchanger tubes. The procedure should be performed every 2-3 years, depending on the quality of the water. To perform the work, you need to invite a specialist from the service center.

Reviews of boilers "Beretta" with cast iron heat exchangers

Those consumers who have already enjoyed the quality of boilers with cast-iron heat exchangers note that such devices require careful handling during installation and transportation. This is due to the fact that mechanical influences such as the fall of the unit and impacts can provoke the formation of microcracks in the cast iron.

At first glance, according to consumers, they may not be so noticeable, but in the future this will negatively affect the service life. In this case, the device is not thrown away, but undergoes replacement of the heat exchanger or its individual parts, because this unit has a special design. The line includes high-power equipment designed for installation in technical rooms. If you purchase a low-power compact model, then you can install it in the house.