Repair of mounted gas boilers. You can save money, just be careful: do-it-yourself gas boiler repair instructions

Here, recently fell into the hands manual for the repair of wall-mounted gas boilers Ariston (Ariston), tutorial Genus MTS group. Unfortunately, the book is paperback. Yes, and it had to be returned in a couple of days. Therefore, I decided to scan this manual for myself. True, the quality of the scan was poor due to the soft cover, but the manual is quite readable. It has over 250 pages. I didn’t find a similar manual for downloading on the Internet, so I decided to file all the pictures in PDF and put it on deposit so that everyone could download.

You have training materials for technical device, skills in setting up, repairing and maintaining ARISTON gas wall-mounted boilers of the Genus, Clas, Egis series. This manual is intended for service technicians, installers, technical service engineers, heating and water system designers, etc.

ARISTON is part of the MTS Group. Merloni TermoSanitari S.p.A. (MTS Group) is one of the world's leading manufacturers of water heating and heating equipment, air conditioners and components for domestic and industrial use.

ARISTON equipment is specially adapted for Russia; during development and testing, many factors that are encountered in Russian operation practice were taken into account: gas and voltage surges, low air temperatures, water “hardness”, areas with high seismic activity, etc., MTS Group is constantly working to improve its products and reserves the right to make necessary technical changes to its products without prior notice.

ATTENTION. In addition to the data specified in the manual, the relevant standards, rules, instructions and regulations not listed here must be observed.

We are not responsible for damage caused by failure to comply with the requirements contained in the manual.

We hope that this information will give a complete picture of the operation of a modern and economical wall gas equipment and help you solve problems easily and professionally for the design, installation and maintenance of ARISTON heating equipment.

1.1 DIMENSIONS AND CONNECTIONS

1.2 CLOSED COMBUSTION CHAMBER (FF), GENERAL VIEW

1.3 OPEN COMBUSTION CHAMBER (CF), GENERAL VIEW BOILER OPERATION LOGIC

2.1 HEATING MODE

2.1.1 Hydraulic diagram for heating operation

2.2 OPERATING MODE "HOT WATER SUPPLY" ("DHW")

2.2.1 Hydraulic diagram of operation in the "DHW" mode

SPECIAL MODES AND FUNCTIONS

3.1 CHIMNEY FUNCTION

3.3 ANTI-FREEZE FUNCTION

3.4 COOLING CIRCULATION CONTROL

3.5 ANTI-AIR FUNCTION

3.6 SETTING THE RESTART DELAY

4.1 RIGHT HYDRAULIC UNIT

4.2 LEFT HYDRAULIC UNIT

4.3 3X-WAY VALVE

4.3.1 3x-way valve operation logic

4.3.2 Electric actuator of the 3x-way valve

4.4 DHW SECONDARY PLATE HEAT EXCHANGER

4.4.1 Anti-scale function

4.5 CIRCULATION PUMP

4.5.1 Checking the speed of the circulation pump

4.5.2 Types of post-circulation in the "HEATING" and "DHW" modes

4.6 FILLING THE HEATING SYSTEM AND SEMI-AUTOMATIC

4.6.1 Filling the heating circuit with heating medium

at first start

4.6.2 Semi-automatic heating circuit make-up

4.7 HEATING WATER PRESSURE SENSOR (HEATING CIRCUIT)

4.8 DRAINING THE HEATING CIRCUIT

4.9 AUTOMATIC BY-PASS VALVE

4.10 MAIN HEAT EXCHANGER

4.11 HEATING METER STRAINER

4.12 EXPANSION TANK

4.13 DHW FLOW SENSOR

4.14 TEMPERATURE SENSORS

4.15 SUPERHEAT THERMOSTAT 5 GAS

5.1 GAS VALVE SIT 845 SIGMA (MULTIBLOCK)

5.2 GAS VALVE ELECTRICAL CONNECTION DIAGRAM

5.3 GAS PRESSURE ADJUSTMENTS

5.3.1 Checking the gas inlet pressure

5.3.2 Adjusting the maximum heat output

(maximum thermal power in TVS mode")

5.3.3 Setting the minimum heat output

5.3.4 Adjusting soft ignition (starter flame)

5.3.5 Graphs of dependence of thermal power on gas pressure

(CF models - open chamber)

5.3.6 Heat output versus pressure curves

gas (FF models - closed chamber combustion)

5.3.7 Adjusting the burner start delay time

on request for heating

5.3.8 Adjusting the maximum heating output

5.4 GAS BURNER

5.5 BOILER IGNITION LOGIC

5.b POINTS OF ANALYSIS OF COMBUSTION PRODUCTS

5.7 SMOKE EXHAUST CONTROL (FF - CLOSED COMBUSTION CHAMBER)

5.8 FAN WITH MODULATED SPEED

5.9 SMOKE EXHAUST CONTROL (CF - OPEN COMBUSTION CHAMBER)

5.10 FORCED SMOKE AND SUPPLY SYSTEM

AIR (FF - CLOSED COMBUSTION CHAMBER)

5.11 NATURAL SMOKE EXHAUST (CF - OPEN

ELECTRICAL AND ELECTRONIC PART

6.1 ELECTRONIC CONTROL BOARD (ECC)

6.1.1 Wiring diagram

6.2 CONNECTING EXTERNAL CONTROLS

6.3 MENU AND SETTING THE BOILER

6.3.1 Setting: LANGUAGE, CURRENT TIME, DATE

6.3.2 Entering the menu

6.3.3 Description of menu 1: TIMER-PROGRAMMER SETTING

6.3.4 Description of menu 2: BOILER SETUP

6.3.5 Description of menu 3: SOLAR HEATING SYSTEM

6.3.6 Description of menu 4: SETTINGS FOR TEMPERATURE ZONE 1

6.3.7 Description of menu 5: ZONE 2 PARAMETERS

6.3.8 Description of menu 7: TESTS AND CHECK PROGRAMS

6.3.9 Description of menu 8: PARAMETERS FOR SERVICE TECHNICIAN

6.4 BOILER INFO MENU (INFO)

6.5 BOILER SAFETY SYSTEMS

6.5.1 Fault codes

6.6 DISPLAYING THE BOILER OPERATION MODES ON THE LCD DISPLAY

6.7 BOILER CONTROL PANEL

7 SERVICE

7.1 PROGRAMMING THE SERVICE PERIOD

7.2 PERIODIC CHECKS

8 TECHNICAL DATA

Gas water heaters Ariston (Ariston) instruction, connection manual, repair, electrical and logic diagram.

Questions about the operation of boilers Immergaz

Question: A gas boiler immergaz eolo star 24 3 e was installed, it gave an error 11, what should I do?

Answer: Your pressure in the system has dropped below 0.8 kg, you need to increase the pressure with the make-up to 1.2 kg and reset the "RESET" error, then the boiler should start. Possibly insufficient flue duct. Check smoke detector and fan. Maybe there is dirt in the pipe.

Question: We connected the wall-mounted boiler EOLO MYTHOS 24 2E IMMERGAS, installed it myself, connected everything according to the instructions: voltage stabilizer, brown wire per phase, grounding, everything is as it should be! During the initial start-up, the boiler started up, but a day later it gave me error 01 (ignition block), reset the error with the "RESET" button, and this is repeated several times a day. I don't know what the problem is, can someone
suggest.

Answer: Error 01 - no gas. When it lights up, it is necessary to check the presence of gas in the stove. If it is not there, then contact Gorgaz. If there is, then to the service.

Question: when the Imergaz boiler is turned on, error 10 is knocked out, what should I do?

Answer: The pressure in the heating system has dropped. You need to fill it out.

Question: I have installed and connected a gas boiler imergaz EOLO Star 24. Here and in Lately error 11 pops up all the time. I cleaned everything, coaxial pipe, fan, chimney, etc. And the error doesn't go away. Outside strong wind the house is getting colder.

When hot water is turned on, after a few seconds the boiler starts to crackle and the water temperature quickly starts to rise on the indicator. If you turn off the hot water supply, then the set of water is somehow very short. I would say that the boiler does not get right amount cold water into the tank and starts heating itself. What to do in this case?

Answer: Clean the DHW filter (flask).

Question: The situation is as follows, we bought a house, 130 square meters, installed wall-mounted boiler immergas. At the beginning of the repair work, everything was fine, he worked for himself and worked. Once I entered the house, I found that the batteries were not hot, a little warm, I looked at the boiler, but the red light was constantly on, as a result I got through to the master, he said to do a reset (RESET), did it, the boiler worked, the next day the situation
repeated! And in our city, no one has ever come across such boilers, and everyone advises changing it! I don’t know what to do, everything is too expensive to repair.

Answer: This comes from the freezing of the exhaust pipe for the removal of burnt gases. If you look at the boiler from above, then near the outlet of the exhaust pipe from the boiler there are hatches on the left and on the right, open one of them and the problem is solved.

Question: Opening a recharge gas boiler Immergaz EOLO STAR 24 3e and you can’t hear how it works, and the pressure is at 0.8! What to do?

Answer: The problem is, only, in the pressure in DHW system, it is less than in the heating system. It is necessary to increase the pressure using a pump or buy a pump for the DHW system.

Question: We did the installation and connected the wall-mounted boiler Immergaz Nike star 23 kw in operation for about 4 years. It's our second year. will be the third winter and it seems that the overall temperature is lower. Should be warmer. When ignited, it starts to click - 5-6 seconds. Then it works for 40 seconds, well, up to a minute and goes out. What could it be?

Answer: Check the return filter, if installed.

Question: The house has a gas boiler immergaz eolo star 24kv house 160kv. What is better a temperature sensor or a boiler for the temperature of the heating circuit?

Answer: Install a room thermostat.

Question: Advise, I want to install an immergas victrics 26 2i boiler, a house of 100 m2, panel vulture, bottled gas, they say an economical boiler, because. the lower limit of operation is 5 kW, I understand that large radiators will have to be installed. there is no use of a warm floor, I want to use it in 40/50 mode. It is clear that it is a little expensive, I am ready to spend money, is it a good model and is it worth installing?

Answer: A condensing boiler is beneficial in low-temperature conditions. You really have to double the power of the radiators (approximately), spending about 60-70% on this Money, optional. A condensing boiler saves about 25-30% of gas.

But can you recoup it in the end:

The cost of boilers is two times different.
- organization costs are low temperature regime.
- more expensive spare parts (differ by 2-3 times, some and 4 times).
- more expensive service maintenance annual.

Boiler Victrix 26 2i - can modulate up to 3 kW.

Question: tell me what is better to transfer the boiler to a lower power or install external sensor temperature, otherwise it often turns on, it works for a couple of minutes.

Answer: You have a small area of the room: Be sure to buy a room thermostat. When installing it, it is recommended to set the heating temperature to 70 degrees on the boiler.

Question: We connected the boiler Imergaz eolo star 24, but the water pressure drops and displays error 10, when I add pressure, the boiler starts and works after a while it turns off again. Is that the expansion tank covered up?

Answer: No, not expansion tank. There may be problems in the heating system or in the boiler (heat exchanger), etc.

Question: When DHW is turned on, hot and cold water flows. The E-27 code is displayed, but the DHW pressure is good, what could it be?

Answer: Setting up the boiler, if it started immediately, after the first start. So whatever - the gas block does not modulate or is clogged with chips in the pipe, flow switch, etc.

Question: tell me, did you install the Immergaz boiler, does it heat the water well, but does the heating not heat at all?

Answer: 1. Please turn on the winter mode (snowman). Then the boiler will start to work in heating mode.

2. Look at the temperature of the coolant (water) in the heating system (buttons with a picture - radiator). Maybe simply, there is no need to work in heating mode - summer, warm.

3. If you use a room thermostat, then look at the temperature set on it. Maybe simply, there is no need to work in heating mode - summer, warm.

4. If the boiler is out of order, it must go into emergency mode and indicate the error code on the display. Follow the instructions in the user manual or call the service.

Question: Yesterday we connected the Immergas Eolo Star boiler. During the briefing, they explained that during the summer operation of the boiler, you can use either warm or cold water. Those. cannot be mixed. Explain why?

Answer: You can set any comfortable temperature for hot water preparation. And in any mode (winter, summer). They simply recommend setting a comfortable temperature for hot water, so that the cooked hot water mix as little as possible with cold. This is to save gas. For example, a comfortable water temperature is 42-43 C, then set 45-46C, not 55 C.

Question: We have connected a gas boiler Immergaz. Tell me, what is the right temperature to set in the summer?

Answer: DHW temperature. - turn on in summer summer mode(umbrella) and set yourself a comfortable temperature of hot water, as in other things in winter. Heating temperature - If it suddenly becomes cold and there is a need for heating, then turn on winter mode(snowman). And also set any temperature of the coolant. The best thing Of course use the room thermostat.

Question: I have an Imergaz eolo star 24 3e boiler installed, the problem is that when I turn on hot water, the boiler makes a wheezing sound and wheezes until I turn off the water, what could it be?

Answer: Need to do Maintenance boiler: the heat exchanger is clogged, it is necessary to flush. Clean the fan when the boiler is turned on DHW mode, the boiler reaches maximum operation, and the fan cannot cope due to dust (dirt), noise and vibration begin.

Question: I have an IMMERGAS NIKE STAR gas boiler. In operation for the eighth month. Summer mode is now enabled. There is no hot water. Displays error code 10. Water pressure is normal. But if you switch to winter mode, hot water appears. How to find out the reason?

Answer: Error 10 - no pressure in the heating system. Options: a problem with the heat exchanger, the make-up tap does not hold.

Question: I installed a new Immergaz turbocharged boiler, 01 flashes. I rebooted - it doesn’t help, I called a specialist and replaced it with another new board, it still gives a signal 01. What should I do?

Answer: 1. Check whether there is gas, in general, in the house. Turn on gas stove if there is no gas, then call gas facilities. If there is gas in the stove, then open the gas valve, it happens that they forget to open it.

Call master:

Check gas valve setting at minimum.
- check gas valve on modulation (drive it)
- it happens that the valve sticks (knock on it, and it will start working without problems), this can only be when the boiler is first put into operation. if problems are visible, then replace it.

Check the grounding, there are cases under certain conditions, the flame ionization sensor does not work and gives error 01.

Question: Six months since the Immergaz Eolo mini boiler was connected. The problem is that the ignition did not work periodically, mainly for hot water, while at first fault code 04 was displayed. After prevention, it worked perfectly for half a day, after that the ignition disappeared altogether, neither hot water nor heating works, the display does not give a fault code. What is the reason?

Answer: The problem is in the control board, or in the ignition electrode (which is very rare).

Question: Tell me, who knows if this problem is eliminated at all. I have an Immergaz boiler connected, almost new, only 1 year old. There is no constant temperature in the DHW system, no matter what temperature it is unpleasant to wash, there is either hot or cold water, what can be done? And so everything works properly, no errors are displayed.

Answer: It shouldn't be. The boiler has a modulation function, and the boiler must instantly respond to the flow of water and its temperature. It also needs to keep the temperature set. This may be in the wrong setting of the boiler or it was not set up at all. It is necessary to know whether it was from the very beginning (the first launch) or happened in the process.

Question: I have an imergaz EOLO STAR 24 3 E boiler that has been operating for the third year now sometimes such a problem occurs when the hot water is turned on, the pressure in the heating system drops and error 10 blinks. what can I see?

Answer: Close the tap for feeding the heating system tightly. Call the service, it is necessary to replace the heat exchanger (this can only be with the annual flushing of the heat exchanger).

Question: Boiler Immergas Eolo Star 23KW. The boiler is about 6 years old, recently the pressure has dropped to 0, and often after using hot water for 10 minutes or more. It drops to zero several times a day. I checked the RB, the pressure turned out to be 0. I bought a pump with a pressure gauge, pumped up 1 bar. I filled the system by 1.2 bar, in the morning the error was 10, the pressure was 0. I have been experimenting for 3 days, looking for a problem.

The make-up valve is turned on, it does not let through, the relief valve has been checked, the Mayevsky valve has been screwed on to check. I blocked the heating and hot water circuit from the boiler at night in order to understand where the leak is - in the system or in the boiler itself - during the night the pressure dropped from 1.2 to 0.5, error 10. So the problem is in the boiler itself. I checked the pressure in the RB again, 1 bar. For the experiment added to 1.7.

It didn't work, it crashes. A day later, that is, today, I bled all the air from the Republic of Belarus, again pumped it up to 1 bar. On the this moment, after 4 hours of observation, the pressure is holding, 1.8 on the gauge at the moment. Hope everything is back to normal. The question is, and yet, if the pressure drops again, where to look further, given that I have already checked everywhere. The last thought is that the problem may be in the breakdown of the wall of the heat exchanger, when water from the heating circuit seeps into the DHW circuit and, accordingly, the pressure drops when using DHW. What are the thoughts of who?

Answer: Clean the filter on the heating system. If cleaning the filter did not help, call the service and repair the pump.

Question: I have an immergas boiler connected, 10 pressure 0.5 flashes on the display, I checked for leaks anywhere. I turn the pressure regulator, nothing. pressure does not rise. What to do?

Answer: This means that the pressure in the cold water pipeline is low, and the heating system cannot be pumped. Release the pressure in the heating system and try to increase it back to 0.5 atm. Then if it worked out, then it is necessary to pump the heating system with the help of a pump. The pressure gauge may be broken, but if you drain the water from the heating system, it will show the same pressure. Replacement.

Question: when hot water is turned on, the Immergaz eolo mini boiler starts to vibrate, the higher the temperature, the greater the vibration, and when the water and heating are turned on at the same time, nothing works at all! what could be?

Answer: Please do the annual maintenance. Fan cleaning. If that doesn't help, then check the balance rings. Or replacing the entire fan. It is impossible in boilers (of any manufacturer) to turn on heating and hot water at the same time. Priority is always hot water.

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At present, systems have become very popular autonomous heat supply. The main component of such a system is the heat source. Most often it is a gas boiler. Such equipment has good quality and decent features.

Modern boilers have their own protection system:

lack of traction;
Extinguishing of the burner;
Heat exchanger overheating.

In the event of malfunctions, use the equipment only after they have been eliminated.

In some cases, repairs can be done by hand. But in order to prevent breakdowns, it is necessary to observe and carry out:

Operating rules;
Preventive actions.

Compliance with these measures will allow the operation of the equipment for a long time without breakage.

Having heating system and hot water, you can experience the full benefits self adjustment temperature regime. But in order for the operation to be completely safe and the services received to be of high quality, it is necessary to periodically repair the heating boiler.

What you need to know about the device of the system

Any heat generator can break down, this can happen for several reasons, for example:

Expansion tank damage;
Instructions and operating rules are violated;
Poor quality items or components.

Whatever the malfunction, the repair must be carried out carefully and in accordance with established standards.

When repairing, you need to pay Special attention to the correctness of the sensors. For example, if the presence sensor fails carbon monoxide, then there will be a high probability of inhaling dangerous gases.

Any master or person who decides to repair on their own should know what security groups are and what they consist of:

Traction sensors together with plates. They are rated at seventy-five degrees. This device helps to monitor the state of draft in the chimney or their exit to smoke traps. In the latter, the sensor heats up and works. It is best if a gas alarm is purchased in pair with this sensor;
The monostat is installed in order to protect turbo boilers from poor flue gas removal. May occur due to a contaminated heat exchanger or chimney;
Limit thermostat. It controls the water in the boiler. If it boils, then the overheating sensor turns off the boiler;
Ionization electrode. Installed to monitor the presence of a flame. Often repair of a heating boiler begins with checking the electrodes, because the operation of gas boilers without a flame can lead to an explosion;

Breakaway valve. Used to control pressure. At pressures above 3 bar, the boiler discharges dangerous excess.

Fulfill repair work control boards can only specialists. Because they have the experience and the necessary equipment.

Important! In most cases, the control panel fails due to power surges. electric current, so you need to take care of installing a voltage stabilizer.

The repair work of such boards themselves is in most cases the same for all brands of manufacturers, but there may be slight differences. Therefore, it is not necessary to climb into the "brains" of your boiler, as you can cause trouble.

Repair Notes

Never immediately apply full voltage to the equipment, because the repair of heating boilers may stop there due to failure of automation and wiring.

For installation, you need to use only sensors that are correct for operation, which the manufacturer advises. Use stabilizers to prevent damage to wiring and sensors. For most manufacturers, the instructions indicate all kinds of problems with the operation of the boiler, what errors it can show. Reading the instructions carefully is half the battle!

Self-repair - important point on the quality of which your life will depend. People have been learning this work for many years.

Do I need to do my own repairs?

Everything heating boilers are complex systems. Their main danger is the use of explosive fuel. To control the operation of the heat source, automation is used. In addition to maintaining optimal performance, it also signals problems with the equipment.

We agree with the opinion of experts and argue that boiler repairs should be carried out only by professionals, but in some cases (replacing a small unit) you can limit yourself to do-it-yourself repairs.

Consider the most common flame failure problem. The reason for this may be:

Clogged damper;
Operation of the emergency valve.

To deal with the first reason, you need to make sure that the room does not smell of gas and check the chimney draft. In the event that flue gases enter the room, it is forbidden to operate the equipment. You need to go to a repair shop immediately.

If the equipment overheats, then it is quite possible that the heat exchanger is dirty (you can find its photo and video in our gallery) or the automation is out of order. It is necessary to ventilate the room well and seek help from specialists.

Important! If you smell gas in the room, then turn off the boiler, turn off the gas and leave the room. In this case, repairs can only be carried out by professionals.

Your actions:

We wait until the boiler cools down, and check the draft and the smell of gas;
In the presence of traction and the absence of a smell of gas, we try to start the boiler;
If the launch failed, then it is quite possible that the combustion sensor has broken. There may also be contamination of the pipe through which the gas enters.

Outcome

It is better not to repair the boiler with your own hands, because this can lead to serious consequences. It is best to have periodic inspections carried out by professionals, the cost of these services is negligible.

Thermostat(TS) - a device that turns the boiler on and off in automatic mode. This happens depending on the room temperature and equipment settings.

Modern boiler houses are managed by the respective electronic boards, which are a kind of "brain" of the device, they have a two-pin connector for connecting a thermostat.

By default, the connector is jumper, therefore, the boiler room without connecting the vehicle will work constantly, which significantly reduces the efficiency of the system.

Possible malfunctions of wall-mounted gas boilers

Boiler equipment fails as a result of breakdowns of the main components and elements.

Faults are divided into groups:

damage mechanical parts;
problems with electric nodes;
breakdown of electronic components;
violation tightness connections of pipelines and hoses;
failure settings boiler room.

Important! Persons who are not specialists in the repair of such equipment may only engage in elementary repair and maintenance of boilers, in other cases, the wizard is called.

In accordance with the regulations, if you smell gas, you should close the inlet valve and call gas service specialists. The point is that the broach threaded connections should be made by special wrenches from bronze alloys, which exclude sparking.

Places of gas leaks are determined during application soap suds on pipe connections. Inflating bubbles indicates that the tightness is broken, which means that part of the gas does not reach the burner.

Important! It is allowed to carry out repairs to the electrics of a gas boiler on your own, if available experience of similar work, otherwise the result can lead to sad consequences.

Requires skill to repair electrical tester, knowledge of technology rations, understanding the layout of the equipment.

Failure of mechanical elements is eliminated either by their complete replacement, or by repairing faults, if possible. In many cases, the owner can carry out the work on one's own.

Cleaning pipelines is a simple procedure, so calling a wizard is not necessary, but it should be borne in mind that as a result of inaccurate actions, the structure can be damaged.

If the disruption is due to reset board parameters responsible for managing the functioning of the boiler, they should be restored. Constant failures may indicate a malfunction of the electronic boards.

Diagnostics

Competent implementation of repair involves compliance with a certain sequence of actions:

Revealing malfunctions. There are obvious and implicit breakdowns. With a boiler that has ceased to function, everything is clear, but there may be defects that are difficult to notice immediately or do not greatly affect the operation of the boiler room.
Diagnostics: search for the causes that led to the breakdown. This may be a clogged filter, a violation of the integrity of the wires, the failure of individual nodes.
Elimination of causes. First you need to determine whether it will be possible to repair the boiler on your own, in some cases you can save a lot by performing simple manipulations, and sometimes there is a risk of exacerbating the situation if the wrong actions are taken.

Reference! Do not dismantle and repair the boiler when Its warranty period has not yet expired. If it is not possible to repair the equipment on their own, the repairmen will refuse to correct defects free of charge.

Unstable operation of the burner, which often fades. To maintain the combustion process, the presence of oxygen is necessary, its deficiency (during the operation of the boiler) can be easily detected if, for example, the windows in the boiler room are opened. Combustion stabilization indicates the need improve ventilation in the work area.

Might have to put supply valves or door with vent hole.

Insufficient gas flow in the line is determined when the hose is disconnected from the boiler. When the valve is open, you should hear hiss and feel smell of additives gas mixture.

The pressure may drop as a result of a clogged filter, to clean it, remove the inside grid, and rinse. If the blockage occurs in gas meter, you will have to call the gas service workers.

Overheating of the coolant can cause emergency shutdown of equipment. This often happens due to a malfunction of the pump that accelerates the working fluid around the house.

If air has entered the working chamber of the pump, then to remove it, you need to add coolant.

Sometimes rotor- the pump element, - sticks and stops rotating, you can fix the problem by disassembling the housing, the rotor is scrolled by hand, if possible, removing debris in the chamber.

You should also check expansion tank, which modern models boilers are built into the unit itself. The pressure in it is checked with a standard automobile pressure gauge, its value should be 0.2 atm less, how operating pressure in the pipeline.

If necessary, air is pumped by a manual or electric pump.

Repair materials and tools

To identify and correct breakdowns of a gas boiler, you will need:

DIY repair

The following problems with the gas boiler are possible.

Flame sensor failure

The sensor turns off the gas supply in the combustion chamber of the boiler when the flame goes out. Identifies a flame by its special properties, for example, by direction of current flow(fire only conducts it one way, like a diode), or in terms of current.

Important! Some models of boilers stop working if reverse the plug in the socket.

The gas boiler combustion sensor may not work as a result clogging of the gas pipe. Troubleshooting is reduced to its dismantling and thorough cleaning. If the boiler continues to turn off on its own, you will have to call the master.

Overheat

Causes of equipment overheating:

absence fluid circulation;
airing systems;
garbage in filters.

Clogged pipelines can be identified by hearing, during the operation of the boiler there will be sounds: clicks or a slight knock.

For washing, special acid solutions.

The gas boiler heat exchanger is cleaned in the same way. Manufacturers recommend cleaning them once every two or three years.

Reference! Heat exchangers made of copper alloys are more “gentle”, therefore, when working with them, hard metal brushes cannot be used.

You should also check the correctness of all stopcocks installed in the system. If necessary, replace.

To remove air from the system: open the valves and wait for the gas mixture to exit until a stream of water flows.

Boost fan malfunctions

Gas boiler fan malfunctions:

The weakest point of any fan is bearings. It is recommended to lubricate them periodically.

To do this, you need to remove the back of the cooler, pull out the stator and apply grease to the bearing surfaces.

Better to use heat-resistant types of lubricants recommended by the equipment manufacturer. They can be purchased, for example, in stores that sell auto parts.

Short circuit between stator turns also causes a malfunction. In some cases, it is possible to repair the part in the workshop, sometimes it is easier to replace it with a new one.

Chimney malfunctions

Signs of violation normal operation boiler chimney:

violation thrust- is detected when a match is brought to the viewing window of the boiler;
advanced education soot.

There are several options gas boiler draft violations:

There are reasons that greatly impair draft, even if both the boiler and the chimney are not clogged. For example, next to the house appeared higher objects(these can be buildings or even trees) that interfere with the normal functioning of the boiler room. In this case, you will have to build up the pipe.

It can also affect traction. powerful extractor, installed in an adjacent room, such as the kitchen.

Problems with the electrics and control boards

First you need to inspect the external cables suitable for the gas boiler, whether there are damage, bends and breaks, their presence may indicate that the power supply is broken.

Lack of glow of indicators is also an indication that power is not going to the equipment boards.

Attention! Some manufacturers refuse to implement warranty repair if the boiler has been connected to electrical network without installing a voltage stabilizer or UPS.

Control board malfunctions cause crashes in the operation of boiler equipment or its complete shutdown. For repairs, you should invite the masters, since without knowing the circuit of the board, it is impossible to even diagnose it.

The cause of a malfunction of a gas boiler can be individual elements (microcircuits, diodes, capacitors, resistors) or whole assembly failure.

Moreover, the replacement of a specific component will not necessarily lead to the restoration of operability, since improper functioning of the power supply will cause damage to other boiler boards.

Therefore, replacing individual elements of the gas boiler with new ones, you can waste time in vain.

Cleaning the valve of a single and double-circuit gas boiler

Best for cleaning once every two years otherwise, it will be problematic to remove soot and scale deposits later.

Having closed the gas supply valve in advance, you should begin disassembling the boiler by removing the burner:

Gas boiler cleaning process:

After removing the top cover of the boiler, disconnecting the draft sensor and removing the chimney pipe, you can access heat exchanger. It is covered with a heater and a casing, they should be removed.
Remove from the heat exchanger tubulizers(swirlers), they are cleaned with a metal brush.
The heat exchanger itself is cleaned with homemade blades and scrapers right size and forms.
Used as washing solutions mixture of citric acid and vinegar.
And there are also several types of factory tools, for example, "Antinakipin".
Usage homemade flushing units allows you to clean the heat exchangers without disassembling or removing them. It is best to use reversible pumps for assembly, which allow you to change the direction of flow in one direction or the other.

Useful video

Check out the video that shows the process of cleaning a gas boiler.

Proper installation is a guarantee of long-term operation

The process of installation and maintenance of gas equipment is regulated by:

SNiP 2.04.08-87 (gas supply).
SNiP II-35-76 (boiler plants).
Government Decree No. 549 of 2008 (rules for the supply of gas to citizens of the Russian Federation).

Thus, the installation, replacement and maintenance of boilers should only be carried out with the participation and control of relevant authorities, since gas appliances are equipment of increased danger.

For unauthorized installation and replacement of boilers, a fine is provided. Utilities may even turn off the gas supply.

Installation of gas equipment, carried out with disregard for the basic rules, will lead to best case to his inefficient work, and at worst breakdown boiler.

The destruction of the body can occur if the device is strapped incorrectly, the power of which above 50 kW(at low temperatures it may break).

Installation voltage stabilizer solve the problem of breakdowns in the electrical part of the boiler equipment. In this case, one should take into account the total power of the connected devices, starting currents, the value of which about 3 times higher than workers (this is true for pumps that distribute the coolant throughout the house).

Prevention of boiler equipment will help ensure its uninterrupted operation during the season. It is recommended to carry it out Twice a year

In what cases can you repair a gas boiler yourself? Often, during the operation of this equipment, problems arise - non-compliance with the temperature regime for heating water, breakdown of the pump or fan. Some of these defects can be eliminated with your own hands, but first you need to find out what is forbidden to do on your own.

What can you repair yourself

Modern gas boilers- These are reliable devices that provide efficient heating of the coolant. Their design can be divided into 3 main parts - a burner, safety blocks and a heat exchange unit with additional elements (circulation pump, expansion tank, fan). If the breakdown occurred in the first two, you need to call a specialist.

Self-repair of gas boilers is possible only in that part of the equipment in which the gas supply is not involved. Any intervention or change in the design (configuration) can lead to a serious emergency. It is possible to single out the main types of restoration work that can be done at home without the involvement of specialists.

Washing the heat exchanger. It is carried out using special pumps or manually. For the latter, the dismantling of the block is necessary.
Traction problems. Often the cause is a clogged chimney.
Failure of the fan, expansion tank, pump.

First of all, you should read the instruction manual for the boiler. In addition to recommendations for preventive work, it provides detailed description designs. If this document is not available, you can take necessary documentation on the manufacturer's website.

Cleaning the heat exchanger

A large scale layer on the inner walls of the heat exchanger can cause uneven water heating. This is due to a significant decrease in the thermal conductivity. As soon as the water heats up to the desired temperature, the boiler automation switches off (reduces) the burner power. But due to the high inertia, the next "batch" of the coolant will heat up much more slowly. As a result, the alternation of flows with different temperature indicators. This phenomenon brings the greatest discomfort during the use of hot water supply.

To remove scale, clean the heat exchanger. It is best to dismantle the structure - this way you can make sure of its integrity and at the same time. The order of work is as follows:

Turn off the power supply and shut off the gas supply.
Close the taps for water supply and distribution through the heating and hot water system.
Remove the front cover of the boiler.
Dumping of residual water. For domestic hot water - open the valve with hot water; for heating - a special valve inside the structure.
Dismantling the heat exchanger. It is important to remember the order of its attachment.

Can be used for washing special formulations Or make your own solution. The main ingredients are vinegar and lemon acid. Having previously cleaned the surface of rust, the heat exchanger is placed in a container with a cleaning compound. The exposure time depends on the level of clogging. Usually 1.5-2 hours is enough for a complete cleaning.

Lack of traction

Intermittent shutdown of the burner can be caused by poor draft in the chimney. The sensor signals a large amount of CO² and the boiler switches off automatically. For cleaning, you first need to check the condition of the chimney.

Most often, problems occur in winter period. They may be associated with the formation of ice on the outer part of the structure. As a result, the useful diameter of the chimney decreases, which directly affects the draft parameters. To minimize this factor, it is recommended to make external insulation or install a chimney with a layer of basalt wool.

A large amount of soot is a rare occurrence for gas boilers. However, with a long service life, it can occur. To resolve, follow these steps.

Disconnect the pipe from the boiler and completely dismantle it.
Using a special brush, clean the inside of the chimney.
Using household vacuum cleaner, purge the design.

If the gas boiler is connected to a stationary pipe (made of bricks), you need to use special tools to remove soot. They are brushes fixed on a steel rope. After cleaning, most of the soot will fall into the boiler. Therefore, it should be washed thoroughly.

Hardware problems

If individual modules (expansion tank, pump or fan) are out of order, it is recommended to invite specialists to replace them. Qualified repair of gas boilers is possible only if you have a set of tools and a certain practice for performing these works.

The main problem lies in the diagnosis of failure. To do this, experts use devices that determine the faulty node. Based on the information received, a plan for further repairs is drawn up.

In order to avoid emergency situations with a gas boiler, it is recommended to follow the rules for operating the equipment. This will significantly increase the maintenance-free service life of the device.