Features of servicing the heating system of an apartment building

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The heating system is an engineering component of a building designed to ensure comfortable and cozy human life. Like other engineering components, this system has its own operational period, after which high-quality repair work is required. In addition, throughout the entire period of use, the heating system requires careful and timely maintenance. This is necessary to extend its service life.

There are planned and major heating repairs. The type of work is determined depending on the nature and size of the defect that appears. During a major overhaul of a heating system, its main components are re-equipped, the boiler equipment or energy source is partially or completely changed, the foundation is strengthened or the functionality of heating units is improved through process automation. It is also possible to modernize the installed equipment.

Planned repair operations are carried out based on a pre-developed schedule. During such repairs, the heating system as a whole is washed, specific non-working appliances are repaired, leaks are eliminated, loose fasteners are tightened and equipment is painted.

First of all, the normal and efficient operation of the heating system depends on the availability and frequency of scheduled repairs. This allows you to maintain the system in optimal operating condition and prevent a defect at the stage of its development.

Often relatively new heating systems undergo major overhauls. It may be required due to a trivial undetected defect in heating equipment, violation of functional requirements and freezing of thermal energy sources (heating systems of private households often suffer from such defects). Serious breakdowns also occur when the maintenance team is forced to completely replace one or another heating element.

When repairing a heating system, the following work is performed:

• heating devices are removed;
• the wiring and risers of the central heating system are repaired (if present);
• the internal part of the pipelines is being restored;
• small heating components are repaired;
• the functioning of the heating system is restored.

In addition, a major overhaul involves improving the system aimed at better heating of the premises. During modernization, the following activities are carried out:

• pumping equipment is installed, which improves the transportation of the system source of thermal energy;
• modern control devices with temperature sensors are installed;
• additional equipment such as heated towel rails or a “warm floor” system is installed.

Overhaul of the heating system

The main indicators of a heating system are stability and reliability, which directly affect the living conditions of people in the building. Stopping the system or malfunctioning of certain of its components forces professional repairs to be performed to restore operating condition.

specializes in major repairs of heating systems. Our specialists guarantee the quality and efficiency of the work performed. This allows the building owner to be fully prepared for the onset of the heating season. Regardless of the complexity of the problem, we are ready to help everyone who comes to us. The company has official documents giving the right to carry out repair work. Thus, the customer can be confident in the qualifications and experience of our specialists.

Specifics of major repairs

1. Major repairs involve the implementation of a whole range of measures. The work can be simple (for example, thermal insulation of pipelines or installation and dismantling of shut-off valves) or complex (for example, laying pipelines or troubleshooting equipment). Our team of technicians works not only to restore the defective heating system, but also to improve it, thereby increasing the efficiency, reliability and economics of heating.
2. At the initial stage of a major overhaul, the heating system undergoes a visual inspection. Initially, EuroHolod specialists assess the situation taking into account all the customer’s comments. The client receives information with a proposal to replace specific equipment so that the system begins to function better. A detailed inspection is accompanied by drawing up a overhaul plan, after which the customer is given the opportunity to familiarize himself with the estimate for maintenance.
3. When performing repair operations, the specifics of the heating system, as well as the structural characteristics of the serviced object, are taken into account. It is recommended to draw up a preliminary application for performing these operations in order to timely complete all repair stages and prepare the heating system for seasonal operation.

Description of repair measures

During a major overhaul, valves and other shut-off valves are changed, the working condition of pipelines is restored, and their specific elements are changed (if necessary). In addition, air collectors are installed and a sludge separator is installed.

The overhaul carried out by the company’s specialists will reduce heat loss during the operation of the heating system and increase its reliability. The operation of the equipment will be long and uninterrupted.

What are the risks of replacing a floor-standing gas boiler with a wall-mounted one?

The floor-standing gas boiler was removed from the old place, and a wall-mounted boiler was hung in place of the gas water heater. The installation was not done officially by a master from the gas section. Every year a contract was concluded for the maintenance of gas equipment. After 3.5 years of operation of the boiler, problems began to arise with its operation. I call the workers, I hear in response that the application has been accepted, wait for 1.6 months. During this time, workers came 3 times, but could not do anything, they say that they do not understand such boilers and leave silently (but there is an agreement). They say that they need to flush the boiler, but they don’t have a machine. Based on an advertisement, I found a man who cleans boilers, called, came, and cleaned. The problems remain. I called the workers again, they came, said that they washed it well and left. I make another call to the gas service and hear the answer: whoever flushed the boiler illegally should continue to repair it. When installing a new wall-mounted boiler, nothing was changed in the design; they simply removed the old boiler altogether and installed a new boiler instead of the gas water heater. I live in a 4-apartment one-story house.

Issues of maintenance and repair of in-house and in-apartment gas equipment are regulated by the Rules for the use of gas in terms of ensuring safety in the use and maintenance of in-house and in-apartment gas equipment when providing public gas supply services, approved by Decree of the Government of the Russian Federation of May 14, 2013 N 410, and the Rules supplies of gas to meet the household needs of citizens, approved by Decree of the Government of the Russian Federation of July 21, 2008 N 549. According to the Rules for the Use of Gas, the replacement of equipment included in the in-house and (or) in-apartment gas equipment is carried out by a specialized organization as part of the execution of the contract on the maintenance and repair of intra-house or intra-apartment gas equipment. Independent replacement of the specified equipment by its owner without the involvement of a specialized organization is not allowed.

In accordance with Art. 41 of the above rules.

• b) amendments to the terms of the contract for the maintenance and repair of in-house and (or) in-apartment gas equipment in terms of the list of equipment included in the serviced in-house or in-apartment gas equipment, in the event of a change in the quantity and types of equipment included in it;

By virtue of paragraph g of Art. 43

The performer is obliged:

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• g) carry out work on the repair of intra-house or intra-apartment gas equipment based on customer requests;

The responsibility of the consumer and the contractor under the contract is stipulated in the seventh section of the Rules, so according to Art. 66

The Contractor bears the civil liability established by the Civil Code of the Russian Federation, the Law of the Russian Federation “On the Protection of Consumer Rights” and the agreement on the maintenance and repair of in-house and (or) in-house gas equipment:

• a) for violation of the quality of work (provision of services) for the maintenance and repair of in-house and in-apartment gas
• equipment

In your case, a service contract has already been concluded, what equipment is included in it? Yours? If yes, then you must send a written complaint to the contractor (gas service). But first you should consult a heating specialist, because the problem may not be in the gas equipment, but in the pipelines or radiators. If an old gas boiler is indicated, then most likely, after a dispute with the gas service, you will have to pay a fine and make a project for a new boiler. Usually, if the power of the new unit has not been changed upward, problems do not arise.

Autonomous heating repair rules

A breakdown of an autonomous heating system cannot always be identified immediately. Emergency repair of the heating system is required only if there are obvious malfunctions - leaking radiators, pipes or boiler failure. But it is more difficult to determine a malfunction based on indirect signs.

There are several factors that indicate the need for heating repairs in a private home. First of all, a constant decrease in pressure in the system. The reason for this is a small leak. Another sign is the deterioration of the heat supply - a decrease in efficiency, uneven heat distribution. Timely repair of heating systems in a country house will help eliminate these problems.

Before restoring the functionality of the autonomous heat supply, the following actions must be performed:

1. Turn off the boiler. For solid fuel models, it is recommended to limit the air flow into the combustion chamber to reduce heat transfer to a minimum level.
2. Determine the breakdown area and block the access of the coolant in this area.
3. Choose the optimal technology for heating repairs in a private home. It depends on the type of failure - depressurization of pipes or radiators, failure of the boiler, expansion tank, circulation pump.
4. Carrying out repair work on the heating system in a private home.
5. Checking the functionality of the system, starting the heating.

This is a general scheme that has a number of nuances depending on the type of restoration measures. All influencing factors should be taken into account - the temperature outside, the type of coolant in the system (water or antifreeze), and the heating supply package. In some cases, it is better to make an initial emergency repair of the heating system, and then call specialists to professionally solve the problem.

To promptly repair heating systems in a country house, it is recommended to purchase kits for eliminating leaks in pipes and radiators in advance.

Reasons for replacement

Reducing these parameters, as well as a number of other points, require updating the boiler equipment.

The reasons that encourage the installation of new boilers to replace old units are the following circumstances:

1. Insufficient performance. Increasing the heated area by adding extensions to the house or connecting new appliances to the water circuit that heat the attic, enclosed terrace or basement.
2. Need for additional functionality. The comfort and coziness of a private household are largely determined by the presence of a hot water supply circuit. The ability to combine a water heating device and a heating boiler in one device is provided by double-circuit gas models.
3. Issues of rational use of blue fuel. Atmospheric boilers and units with forced removal of flue gases (with a closed combustion chamber) are being replaced by condensing heating technology. When calculating the productivity of new generation equipment using old templates, the efficiency exceeds 110%.
4. Deterioration of the old boiler. The costs of maintenance and repair of an installation that has been in operation for years are unreasonably high; timely replacement will save money.

Heating repair in an apartment

Restoring the functionality of centralized heating differs from the technology described above for autonomous heating. In many cases, you cannot repair the heating in an apartment yourself, as this may affect the heat supply parameters of the entire house.

First of all, it is necessary to notify the utility services with which the heat supply contract has been concluded. It is advisable to record the fact of the accident on a photo or video camera. Then, after consultation with representatives of the management company, try to make temporary repairs to the heating supply in the apartment. It is strictly forbidden to block common risers yourself.

Upon arrival of utility services, a report is drawn up, which indicates the following points:

• Possible causes of the accident;
• Measures taken for emergency restoration of the heating system in the apartment;
• The consequences of an emergency are damage to walls, flow, interior items. An inspection of the apartment below is required.

It is important to remember that independent heating repairs in an apartment can only be carried out with the consent of the Management Company. Exceptions are those situations when a heating supply component is replaced with similar ones without affecting the heating of the entire house.

A copy of the accident report must be kept by the owner of the apartment until the issue of compensation for the consequences of heating failure is resolved.

Main stages of installation approval

The installation of gas boilers must be carried out by specialized organizations. If the user decides to change the boiler to a similar model that was previously specified in the technical specifications for gas supply, he will not have problems with preparing permits. If this is a more powerful unit, it needs to obtain new documents to put the boiler equipment into operation.

This process usually takes from two weeks to three months, but often many users cannot cope with the bureaucratic delay, rightly calling it “the three circles of hell.” Recently, the practice has become widespread when a specialized organization for replacing a boiler is also entrusted with the work of issuing permits, which makes life easier for the customer and does not lead to a significant increase in the cost of the project.

Heat loss calculator

Calculator for the number of radiator sections

Heated floor calculator

The basic norms and rules that guide the replacement of a boiler unit in domestic conditions are enshrined in SNiP documents on gas supply, heating, hot water supply and safe operation of boilers NoNo 42-01-2002, 31-02-2001, 2.04.08-87, 41- 01-2003, 21-01-97, 2.04.01-85.

Main stages of installation approval:

1. Obtaining technical specifications from the city gas service.
2. Development of an installation project: a diagram of the installation and laying of a gas pipeline connecting to gas networks with a diagram of the placement of internal gas networks at the user's site and determination of costs, how much it will cost to replace the unit.
3. Coordination of the project with local authorities, the architectural department, Gorgaz and organizations that own utility networks: water, sewerage and electrical networks.

Package of documents for gas inspection:

• Project;
• technical passport of the gas boiler unit;
• factory instructions for its operation and electrical connection diagrams;
• certificates of compliance with state standards provided by the equipment manufacturer when purchasing the boiler.

Note! In case of refusal, the organization must provide a clear reason and a list of requirements for changing the design. An unauthorized gas boiler reconstruction project is prohibited at the legislative level, as it can pose a threat to the lives of a large number of people.

DIY battery repair

Most often, emergencies occur with batteries and heating radiators. This is due to the peculiarities of their operation. Timely repair of heating radiators will not only help eliminate the accident, but will also make it possible to use this heating element in the future.

There are a number of reasons why a radiator fails. The main one is the rusting process - the reduction of pipe walls. They cannot withstand the pressure of the system, and a gap forms. To quickly resolve the problem, you can perform a temporary repair of the heating radiator yourself. It is best to use cold welding for this. You must first check whether it is designed for use with the radiator material.

Below is the procedure for self-repairing heating batteries:

1. Disconnect the radiator from the general heating system.
2. Determine the location of depressurization and clean it of dirt, paint and grease.
3. Prepare hot welding solution. If it is two-component, you should act strictly according to the instructions from the manufacturer.
4. Repairing a heating radiator with your own hands - apply cold welding to the fabric base and wrap the leak area.
5. For better sealing, it is recommended to secure the patch with a mounting clamp. If this is not possible due to the design of the battery, we apply an additional layer of cold welding.

After repairing the heating battery, you can reconnect it to the general heating system. But this should be done only after the cold weld has completely dried.

Carrying out such a repair of a heating radiator with your own hands will only temporarily solve the problem. The best option for restoring the functionality of the radiator is to replace the section or use electric (argon) welding.

After completing the restoration work, remove the air plugs from the radiator by opening the Mayevsky valve.

Which radiator is better?

Among all the radiators that are sold in the store, choose the one that you would like to see in your room. It should fit into the interior, perhaps even be its exclusive part. Next, consider its characteristics.

The choice of radiators can be based on the following indicators:

• where are you going to install;
• radiator type;
• material;
• power;
• operating pressure;
• sectional or monolithic panel;
• exotic appearance;
• price.

You can choose such a radiator to suit your interior

Cast iron radiators last a long time, but they are heavy, initially require overhaul and replacement of gaskets, take a long time to heat up and have poor heat transfer. They cost not much less than bimetallic ones.

Bimetallic and aluminum radiators make no difference from a practical point of view. The operating pressure, even in high-rise buildings, does not exceed 10-12 atm and such radiators can easily withstand it. Look in the passport - the manufacturer indicates the working pressure and testing pressure, which is not less than 15 atm. This applies to houses with a riser system.

Heating pipe repair

Thanks to its convenient design, repair of heating pipes in an apartment or house can be carried out in several ways. The only complication is a temporary lack of coolant circulation. In an apartment building, this requires turning off the central riser. For an autonomous system, it is enough to deactivate the heating boiler.

The first thing to do when a heating pipe breaks is to protect the floor covering from moisture. You can use rags and containers for this. Then you can repair heating pipes without welding using available materials and tools. To do this you will need the following components:

• Clamps. Their diameter must correspond to the cross-section of the pipe.
• Rubber gasket. You can use an old bicycle tube for this.

Before performing independent repairs of heating pipes without welding, you should shut off the flow of coolant in this area. Then the depressurization area is cleaned. The next step in repairing heating pipes in an apartment is installing a rubber gasket. It is wound in several layers. The pressure should be tight and tight. Mounting clamps are used for fixation.

More efficient repair of heating pipes without welding can be done using a special kit. It includes a clamp and a rubberized gasket. It differs from homemade ones in the speed of installation and service life.

It is purchased in advance, as it is designed for pipes of a certain diameter. If the cross-section of the line is different, it is recommended to buy several different sets.

Repair of polymer heating pipes in an apartment can be carried out using a welding machine. A set of mounting fittings and a piece of pipe of this diameter must be available. To carry out restoration work, the following actions are performed:

• The pipeline section is disconnected from the general pipeline;
• Using special scissors, the defective area of ​​the pipe is cut out;
• A new pipeline is welded using a welding machine.

For temporary repairs of plastic heating pipes without welding, you can use a special putty. It is important to ensure that it is suitable for this type of pipe.

In copper pipelines, depressurization most often occurs at the joints. To solve this problem, you can re-solder or replace the entire section of the line.

Heating boiler repair

Heating boilers are the most complex element of heat supply. It is almost impossible to restore their functionality in the event of a breakdown on your own. Therefore, before repairing diesel heating boilers or their other analogues, you should analyze all possible consequences.

First you need to check whether the warranty on the equipment is still valid. If this is indeed the case, you need to call specialists to fix the problem. Self-repair of electric heating boilers may result in premature voiding of the warranty.

But primary knowledge about the cause of the malfunction will help the specialist. You can describe the emergency situation over the phone. The company representative will take with him the optimal set of tools and components necessary for replacement.

Repair of electric heating boilers may be necessary in the following cases:

• A sharp decrease in heating of the coolant;
• Failure of the control unit;
• Heat exchanger failure – leakage;
• The influence of third-party factors that led to the breakdown - a sharp surge in voltage in the network, overheating of the coolant.

Often the reason for the repair of diesel heating boilers can be the quality of the fuel used. In this case, you can clean the injector yourself and check the primary fuel heating unit. If these actions do not solve the problem, you will have to call a specialist.

But there are a number of breakdowns that cannot be eliminated by repairing electric heating boilers. First of all, this concerns the destruction of the housing and the lack of maintainability of the heat exchanger. In these cases, it is more advisable to purchase new equipment than to repair diesel heating boilers.

After the repair is completed by specialists, a note about this fact is made in the warranty card. If the breakdown is due to a manufacturing defect in the equipment, you can request an increase in the warranty period.

Trust the professionals

Under no circumstances should repairs to central heating systems be carried out on your own - entrust this concern to professionals. When ordering work from us, you can be sure that the systems will serve you well for many years. We understand the responsibility that falls on us to our customers, so we do not involve third parties. We provide a 100% guarantee on our work.

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Repair of circulation pumps

To increase the speed of movement of the coolant in the heat supply, a circulation pump is installed. Its breakdown will not only worsen heat transfer, but will also negatively affect the performance of the entire system.

Despite the apparent complexity of the design, you can repair the heating pump yourself. To do this, first determine the cause of the problem and develop the optimal scheme to eliminate it. Before repairing the heating circulation pump, you should turn off the system and wait until the coolant cools down. This can be avoided if a bypass is installed on the pump unit. It is enough to redirect the movement of hot water along the spare circuit.

Self-repair of heating pumps is carried out only after detailed familiarization with the design features of a particular model. Then the device should be dismantled to further restore functionality. There are several causes of malfunctions, after identifying which repair work on the heating pump is carried out with your own hands.

Let's look at the most common of them, as well as ways to solve the problem:

• The power plant does not work. First you need to check the condition of the terminals - the fuse on them often blows due to power surges in the network. The solution is to replace the fuse;
• Increased noise during operation. To repair heating pumps in this case, it is necessary to remove air from the pipe. It is best to install an automatic air vent in advance;
• Strong vibration during operation. Most likely the bearing on the shaft has failed. To repair the heating circulation pump, you will need to replace it;
• Incorrect blade rotation. The connection phase should be checked, as well as the correct installation of the pump;
• A little pressure. Most often this is due to a clogged filter. In this case, it will not be necessary to repair the heat supply pump, but to clean the filter.

After long-term operation, some pump components lose their hermetic properties - the geometry of the impeller and shaft changes. To repair a heating circulation pump, the condition of these elements is first checked. Almost all models are designed to replace components. But before purchasing, you need to select the right components, writing down the brand of the pump and its model.

There should be a sealing lubricant on the gaskets and pipes of the pump. If it is missing, it must be reapplied.