Water heater for ventilation. The principle of operation of fresh air ventilation with a water heater

Calorifers today are represented by several varieties. One of them is a water channel designed for a supply ventilation system. If you make comparisons with electrical analogues, then water heaters require less energy consumption. But if you want to perform the calculation and installation yourself, you should know that doing this will be somewhat more difficult, compared to electrical appliances.

Principle of operation of fresh air ventilation

If a water heater is used for supply ventilation, the air in the system and the drying plants will be heated. The described device must be located in the ventilation system as a separate module or as part of monoblock units. The heater is a device for heat exchange, where a heat source heats the flow of air through contact with heating elements. Air coolers are also called air heaters, but they are much less common. Such devices operate on the basis of cold water or Freon, which are located in the heat exchange surfaces.

The water heater for supply ventilation is represented by metal pipes, which are covered with a finned outer surface. This allows to increase the area and efficiency of heat transfer. Ribbed pipes lead to a cooled or heating coolant inside, while outside the air flows , cooled or heated by contact with the surface of the pipes. The principle of operation of such a system is based on the fact that the heat carrier has a higher heat transfer coefficient than the air flow.

additional information

The ribbed structure of the air heater is a steel plate or tape attached to the tube, which is wound on the tubes. Sometimes thin wire is used. The water heater for the fresh air ventilation will have an energy efficiency, which depends on how impressive the heat transfer coefficient is at the given energy costs. Thus, the greater the amount of heat, the more the device is able to deliver at constant energy costs, the higher its efficiency will be.

The consumer should be aware that when selecting such a device, it is necessary to take into account the energy-dependence factor and other parameters that the heater must match in order to function effectively in the designed ventilation system. Thus, you must take into account the dimensions and weight of the device. When a water heater is used for supply ventilation, it is necessary to exclude the penetration of chemically active substances into the system after installation, this is achieved by installing additional filters.

What else is necessary to know about the principle of functioning

If you are interested in water heaters for supply ventilation, the catalog, which will be presented by the seller, will help you make the right choice of model. Thus, similar devices are able to heat the air that passes through the system to a considerable extent. The temperature can rise to 70-110 degrees. This explains the possibility of using for heating air with minimum temperatures of up to -25 degrees.

The water heater for ventilation should assume the possibility of installing the bundling unit. The device can be installed in two different air exchange schemes. The first method involves mixing the recirculation and supply air. The second method involves a closed air recirculation. The maximum efficiency when the device works in the system can be achieved by installing the structure in the basement. This will allow you to install the system directly at the air intake point. If it is a forced or artificial ventilation system, this requirement can not be called actual, since air will be run through the air heater with the help of channel fans.

Operating instructions

After you became aware of the principle of operation of supply ventilation with a water heater, you can begin to make calculations and further installation of the device. Most often, such manipulations are carried out in large premises, which can serve as large stores, industrial enterprises, as well as storage facilities. If you use similar devices, then you can save on electricity, because to work requires a minimum of electrical energy. The connection is made to the heating mains, and the heating of the air that enters the room is made by warm water. A water heater for supply ventilation, the section of which is presented in the article, has one more important advantage, which is expressed in the fact that similar devices have compact dimensions. By calculating and installing the device yourself, you will not encounter the problem of the need to allocate a large space.

Main advantages

The equipment described in the article is very productive, it can create strong temperature drops. In appearance, the heaters are a body that looks very aesthetically pleasing. If there is a desire to extend the life of the device in order not to run into monetary costs, it is necessary to monitor the correct operation. For such heating equipment, it is not recommended to use water from heating mains, the temperature of which is more than 180 degrees. You should also take into account the standards that prescribe the degree of contamination of air masses by chemical elements and dust. If the wall water heater for supply ventilation of the house is used under improper conditions, then it is doomed to breakdown and failure.

Working conditions

Water heaters should be installed in ventilation systems, and also connected to central heating in cold rooms or rooms with a temperate climate. If it is a question of industrial and industrial premises where the temperature is high enough, this technique is not used. It is important to take into account the parameters of the operating mode of the device, which are described in the passport, only then the device will please for a long period of operation.

Installation Recommendations

The control of supply ventilation with a water heater is quite simple, however, in order for this condition to be met, it is important to install in accordance with the rules prescribed by the manufacturer. Diagonal dimensions will determine the step up to the flap, channel bend and other elements. It is important to ensure operation of the device under conditions not lower than 0 degrees, otherwise the heater may freeze. Before mounting, it is important to analyze how well the tubes, plates and other components of the system are.

Conclusion

Connection with flanges, which must be installed butt-end, is the simplest solution for connecting the device to the piping system.