How to connect the heating?
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Heating, adjusted with the help of radiators,must be carefully thought out to ensure maximum heat transfer and reduce heat loss. When choosing the best option, you need to take into account the number of radiators, the heated area, the method of laying pipes and other moments.
Having familiarized with this article, you will get a general idea of the equipment of the heating system in the house.
How to connect heating in the house
First, you need to determine which radiator batteries you will install. This depends on the installation technology and the subsequent efficiency of heat exchange.
In modern realities use 2 types of radiators
- Cast iron radiators, connecting with metal pipes by welding;
- Aluminum radiators, connected with metal-plastic pipes with special fasteners.
In addition, depending on the material of executionthe heat output of the radiators differs, which means that a different number of sections of aluminum or cast-iron batteries may be needed in the same room. For more information on the selection of heating batteries, see How to calculate the number of radiators.
Choose the location of the radiators
After you have calculated the length and selectedmaterial radiators, proceed to their mounting to the walls. Heating batteries perform not only the function of heating, but also a kind of barrier that protects the room from the penetration of cold air. Therefore, they are usually placed under the windowsill.
If you install the radiators directly under the windowsill or in a recess, the natural heat losses will be around 3-7%, while trying to cover the batteries with a partition, the heat loss will increase to 20-25%.
Mounting the radiators is done with the help of special hook-holders, on which the batteries are hung.
Determine the way to connect the radiators
After the successful installation of the radiators, proceed to the connection of the pipes. There are several options for how to perform this connection:
- One-way connection. Performed in high-rise buildings or with a large number of sections. In this case, the inlet pipe is attached to the top of the first section, and the return pipe to the lower section. This method ensures a uniform heating of the radiator.
- Lower connection. Applicable in case the owner wants to hide the batteries under the floor for aesthetic reasons. In this case, the heating is more in the lower part, and the upper part of the radiator heats up worse. Such a connection is made at the bottom of the extreme section.
- Saddle connection is made in such a way,so that the inlet pipe approaches the lower part of the first section, and the return line is fixed to the bottom of the last section of the radiator. With this connection, the heat loss is approximately 15%, which is considered a fairly serious drawback.
- Diagonal (cross) connection. The inlet pipe is connected to the top of the first section, and the reverse one to the bottom. This method allows you to effectively use the entire area of the radiator and is recommended in private houses and cottages.
If you plan to circulate water insystem with a pump (forced circulation), you can shield the radiators with partitions and use the saddle or bottom option of connecting the batteries. When using natural water movement, choose a diagonal or one-way connection of radiators.
Choose the scheme for connecting heating in a private house
There are three main options for connecting the heating in the house
- Single-pipe serial connection. Carried out alternatelyconnection of all radiators to one pipe. With this connection, the farther away from the boiler the next battery is located, the colder water comes to it. To ensure sufficient heat dissipation in this case, the number of radiator sections must be increased consecutively. The advantage of this method is the possibility of using natural water circulation. To do this, all pipes are positioned with a slight inclination to the horizontal plane. It is enough 1-2 cm per 1 meter of pipes.
- Single-pipe parallel connection. It is carried out during heating installation in multi-level houses. In this case, a pump is used to advance water through the system. On each floor a horizontal pipe is connected, connected to the boiler, and the radiators are connected to the system using small separate frames.
- The two-pipe parallel connection differs from the previous version by connecting a separate pipe to drain the cooled water back to the boiler.
Determine the boiler output
The greatest distribution in our time has beengas boilers. When choosing such equipment it is important to take into account the capacity necessary for your room. In order not to be mistaken, add the power of all the radiators used in your house, and add to the resulting amount of 25-30% to ensure the necessary margin in the operation of the boiler.