Installation of heating boilers quite often today helps homeowners to solve the problem of hot water supply, as well as the lack of central heating. To do this, you can purchase one of two varieties of boilers, namely double-circuit or single-circuit. In the latter case, the equipment provides only one of the possible processes, it may be the ability to use heating.
If we are talking about a double-circuit boiler, then the owners of the house will also be able to use hot water. To install the boiler, you need certain skills and knowledge. The master will have to comply with the installation standards for such equipment. Operating any gas appliance is risky, so you must strictly follow fire safety rules.
Installation Rules
Installation of heating boilers can only be done after the conclusion of a contract for the supply of natural gas. The design of the installation must be agreed upon with regard to technical specifications. These issues should be addressed with representatives of the gas service. The license is used to develop design documentation. Installation work should be carried out by specialists of the installation organization. The heating system is pressurized to 1.8 atmospheres, after which the system is dehydrated, the connections are checked for leaks. The operation of the boiler requires a voltage stabilizer. In no case should the antifreeze be mixed with warming water, as this may lead to the seal being damaged. Ultimately, you will encounter leaks in the heating system.
Furnace requirements
Before installing the heating boilers, you must make sure that the room meets certain standards and requirements. If you live in a private house, the boiler room or furnace can be located on any floor, it can be a basement, attic, roof space or basement. Restrictions apply to premises that have a residential purpose. Among other things, it is forbidden to have equipment in the bathroom and bath room.
Installation of heating boilers should be carried out after calculating the volume of the room, which takes into account the thermal power of the equipment, as well as any type of water heaters. Thus, if the total thermal power does not exceed 30 kilowatts, then the volume of the room can be 7.5 m 3 . If the first indicator increases to 60 kilowatts, then the volume of the room should be 13.5 m 3 . With thermal power from 60 to 200 kilowatts, the volume of the furnace should be increased to 15 cubic meters.
For reference
If you decide to install gas heating boilers, you should remember that there are some exceptions. They consist in the fact that the boiler may have a closed combustion chamber. In this case, the volume of the boiler room is not standardized, the room may not have a window with access to the outside.
Ventilation
A ventilation system must be provided for air intake and exhaust. If you purchased a boiler with an indicator of 23.3 kilowatts, then 2.5 m 3 of gas will go away within an hour. For residual combustion of this volume, 30 m 3 of air per hour will be required. If there is insufficient oxygen, the gas will not completely burn out, this will cause the formation and accumulation of a harmful substance, its breathing can extremely negatively affect a person’s condition.
If gas enters the lungs within 15 minutes, death may occur. This indicates the need for air to enter from outside and from other rooms. This can be ensured by the presence of a gap, it should be located in the gap between the floor surface and the door leaf. Replace what the gap can be in the doors. Installation of home heating boilers is carried out at a distance of 10 centimeters from the wall, its surface should be made of non-combustible material. If this was not found, then protection based on refractory material should be installed.
Features of installation work
It is important to note that special requirements apply to the area of the room where the boiler will be located. This figure should not be less than 4 m 2 , while the ceilings should be higher than 2.5 m. When designing a room, it should be borne in mind that the width of the door that leads to the boiler room should be 80 cm or more. When installing heating boilers in a private house, you must install the equipment so that it is lit through the opening in a natural way. For every 10 m 2 of the room there should be about 0.3 square meters of the window. The room should be well ventilated, this is due to the fact that the combustion of gas is ensured by the constant flow of fresh air. The area of the hole for the influx of oxygen should be equal to 8 centimeters square per 1 kilowatt of unit power.
Gas and chimney requirements
When installing boilers and heating systems, it is important to consider that the elements of the pipes of the gas pipeline system should be made exclusively of metal. The use of flexible hoses is permissible only when there is a need to connect individual consumers. When choosing the cross section of the chimney, it should be noted that it must correspond to the capacity of the installation. If this figure is equivalent to 30 kilowatts, then the diameter should be 130 millimeters. If the power increases to 40 kilowatts, then the diameter of the chimney is 170 millimeters. A smaller sectional area of the chimney is not permissible with respect to the section of the hole for installing the chimney. The uppermost end of this assembly should be pulled out 0.5 meters above the ridge.
Features of installing a wall gas boiler
If you will install a heating boiler with your own hands, then you must consider what equipment in front of you is wall or floor. If we are talking about the first option, this will allow the master to equip an autonomous heating system, even in the house that is equipped with central heating. Such equipment is not too demanding on free space, it can even be installed above other devices that are on the floor. That is why wall-mounted boilers are often installed in cascades. This is very convenient if there is a need to provide high power.
The installation of such a boiler should be carried out by separating it by 20 centimeters from other devices and flammable materials. Taking into account the model and power of the boiler, the distance between it and the wall surface should be determined, this indicator can vary from 30 to 50 cm. Experts do not advise placing the unit for heating a private house in the opening between the walls, it is unacceptable to install in the immediate vicinity of the window .
Specialist advice
Before starting work, you must have studied the installation diagram of the heating boiler, this will eliminate many errors. Once the place has been selected, the boiler must be checked for completeness. Before installation, all boiler pipes are flushed with water, as for the pipes of the heating system. This will eliminate foreign particles that could get into the equipment during the assembly process at the plant. The base on which the unit is supposed to be installed must be 0.8 meters away from the floor. This indicator is minimal. The wall should be as flat as possible and strong enough to endure the weight of the device and related devices. If there is a surface of combustible material to the base, it is necessary to fix a gasket of non-combustible material, the thickness of which should be 3 millimeters or more. In this case, the unit is fixed at a distance of 4.5 centimeters from the wall.
Conclusion
In order to prevent clogging of the heat exchanger of the equipment, it is recommended to install an angular mesh filter at the inlet of the heat carrier , on both sides of which ball valves are installed. This simplifies further maintenance and repair work.