What is an unit heater

Unit heaters are heat supply devices that are used to heat closed and large spaces such as sports halls, factories, and various types of sheds, and are among the best and most widely used heating devices in these spaces. It is considered that, naturally, the use of this type of equipment is to produce heat in the cold seasons of the year. The unit heater has a very good and suitable heating power and can heat a closed space such as sports halls in the shortest possible time. Today, many companies and factories in different countries of the world, including Iran, produce unit heaters. In the meantime, those unit heaters that are of higher quality and have a better price can attract more demand. Damatajhiz collection is one of the best and most famous companies and websites in the field of selling all kinds of unit heaters in the country, considering that the products sold by this collection are of good quality and price. are, therefore, the number of Damatajhiz customers is increasing day by day. In this article, we will try to introduce you to the unit heater and provide explanations about this heating device. We also try to talk about the different types of unit heaters that are sold by the specialized Damatajhiz group. Stay with us.

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Heat production by the heater unit

As we told you at the beginning of this article, the unit heater is one of the best and most widely used heating devices that are used to heat closed spaces such as gyms, factories, and sheds. Heater units produced by different companies and factories consist of a large number of fins or coils, through which hot water passes, and this hot water heats up these coils and water transfer pipes. which can eventually cause the space inside sheds and sports halls to heat up.
In other words, a fan is placed behind these coils and vanes, which passes the air through these coils at a high speed, and the air is warm due to the proximity to the heat produced by the hot water in these coils. and enters the closed space in which it is placed and can cause the desired closed space to heat up. Of course, as mentioned, the most common use of these types of heaters is in heating these closed spaces, which is also very practical in this regard and is the best means for heating these closed spaces.

Heater unit performance

In the case of producing hot water and heating the interior of sheds and sports halls and factories with closed space, motor houses and boilers are used. Motor houses and boilers have very high power in producing heat and heating water, and this heated water is transferred to the unit heaters through the water transfer pipes and enters the unit heater coils. Then, with the help of fans installed behind these heaters, the air is passed through these heated coils at a high speed and causes the indoor space of the shed and sports hall to heat up. Of course, today this heating mechanism is used in many cases. The use of different types of fan coils has become very popular in offices, schools and universities, hospitals, etc., and nowadays in many of these spaces, fan coils are used for heating.

Types of unit heaters

Many different types of heater units, including spa heater units, steam heater units, electric heater units, wall and ceiling heater units, etc., are produced by various companies and factories around the world, some of which are The best and most famous brands of these devices are sold by Damatajhiz group with reasonable price and valid warranty. You can order all the necessary facilities and devices for heating or cooling your desired closed spaces from this site and receive them in less than a week. The unit heaters that are sold by the Damatajhiz group are among the most high-quality types of unit heaters, and below are some of the most important and original brands that are sold by this company and the website. and we will explain their technical specifications.

Damatajhiz unit heater

One of the best products offered by the Damatajhiz collection is the Damatajhiz spa heater unit. Damatajhiz collection has presented a special offer for the sale of this product and offers its products with great discounts to its customers, which has caused an increase in the number of Dematahheiz customers. These spa heater units can be used to heat indoor and large spaces. A number of dampers are installed in the air outlet of these heaters, whose blades can be adjusted. One of the special features of this type of unit heater is that its electric motor can be changed from single-cycle mode to two-cycle mode. Also, its electricity consumption is single phase and 220 volts.
This type of unit heater, like the other types mentioned above, is produced in different types, each of which has a specific heating power based on the heating capacity. In addition, the higher their heating power and heating capacity, the bigger their size. For example, the 240-watt temperature spa heater unit, with a heating power of 260,000 BTU/hr, has a height of about 85 cm. Meanwhile, in samples with lower heating power, their dimensions will be smaller.

Sabafarin unit heater

This unit heater model is produced in different types, each of which has a different thermal capacity and technical specifications. The heat capacity of different types of this heater unit varies from 25000 to 300000 BTU/hr. Obviously, the higher the heat capacity of a spa heater unit, the larger its dimensions will be. For example, the length and height of the Sabafarin spa heater unit with thermal power between 200 thousand and 300 thousand BTU/hr is 76 cm. However, in the case of other types of this type of heater, whose heat capacity is less, their dimensions will be smaller and smaller. But in the meantime, one of the parameters that is common among all types of Sabafarin brand heaters is their engine speed. So that the engine speed of all types of these unit heaters is between 900 and 1400 RPM. Regarding the heat capacity, it is worth mentioning that the maximum power and heat capacity of the heater is when the water with the highest temperature enters the heater unit pipes. For example, in the heater in question, if the inlet water temperature is 176 degrees Fahrenheit, the heater's thermal capacity will vary between 200,000 and 260,000 BTU/hr. Meanwhile, if we increase the inlet water temperature to 194 degrees Fahrenheit, the range of changes in the heat capacity of the heater will definitely increase and will be in the range of 230,000 to 300,000 BTU/hr. These changes are obvious changes. In other words, as much as the temperature of the incoming water increases, the temperature of the water inside the pipes that transfer water to the unit heater will also increase, and this will cause the coils of the unit heater to heat up and increase its thermal capacity.
It should be noted that these heaters are installed on the wall and are equipped with dampers that can be adjusted with special steel profiles. Three-row coils are also installed in these heater units, which make it very easy to produce and transfer heat into the desired closed space.

Sabafarin steam unit heater

Another one of the most important types of products that are sold by the Damatajhiz group is the steam heater unit. The technical specifications of this heater unit model are almost similar to spa heater units. Only the power of heating and heat production in this type of heater is much higher than its spa type. This issue has caused these heaters to be used more for the colder areas of the country so that closed spaces such as sports halls, sheds, and factories can be heated with the help of these unit heaters in a short period of time. The heating power of this unit heater model is also different in its different types and varies from about 38000 to 520000 BTU/hr.
The dimensions of this unit heater model in different types are completely similar to the spa type. The size of the inlet and outlet pipes are the same as the spa type and do not change. The only difference between spa and steam heater units is that hot water is used to heat the coils in the production of heat by spa heater units. However, in the case of unit heaters that work with the help of water vapor, hot water vapor is used to generate heat and heat the coils. Due to the fact that the energy and thermal power of hot water steam are more to increase the temperature of coils and vanes of unit heaters, therefore, the heating power of unit heaters that work with the help of hot water steam will also be much higher.
In addition, the higher the steam pressure created by the hot water steam generating devices, the higher the heating power and heat production by these unit heaters will be. For example, in heater unit 200, which we also discussed in hot water heaters, if the steam pressure reaches from 5 PSI to 90 PSI, the maximum power and heat capacity of the heater unit is from 360,000 to 549,000 BTU/hr. will increase. This increase in heat capacity is due to the increase in the pressure of the produced steam, which can be used with the maximum power of these heater units in cases of need and very low temperatures.
This type of unit heater is suitable for heating very large spaces. In the production of this model of unit heaters, the best and highest quality metals and raw materials have been used. The coils of this type of heater are made of copper and have a high thermal resistance. Single-phase and industrial electric motors have been used in the production of these heaters, and the body of these heaters has a suitable thickness.

In addition to the unit heaters that were mentioned above and discussed their technical specifications and features, other types of unit heaters are also sold by the specialized group of Damatajhiz, which includes heaters Hai Datis work, air conditioner,s and ... pointed out. For more information about different types of unit heaters, you can refer to the site of the Damatajhiz.

How to calculate the approximate capacity of the heater unit

These types of unit heaters are divided into two categories, hot water unit heaters, and steam unit heaters, just like the types of the previous brands that were mentioned. The heating capacity and heating power of different types of these unit heaters are different and depend on the geographical location of the place where these heaters are supposed to be installed and the average annual temperature in those areas as well as the size of the desired space, there are different numbers and types of This heater unit is needed. The experts and specialists who work in the field of expertise in closed spaces to install these heaters, consider all these conditions and according to these conditions, determine the number and location of the heaters. In general, to heat, each cubic meter of closed spaces such as sports halls, sheds, and factories, around 250 to 400 BTU/hr heating capacity is required, which the specialists and experts active in this field, according to the size of the property and Also, the power of heat production by these unit heaters determines the number of heaters needed for the desired property.
The same is true for the size of the water inlet and outlet pipes of these heater units. As much as the capacity and heat production power of the heater unit is greater, the size of the inlet and outlet pipes of the water heater will be larger and larger. For example, in the case of a heater unit with a heat capacity of 200 to 300 thousand BTU/hr, the size of the water inlet and outlet pipe is 11.4 inches. This is despite the fact that in the case of unit heaters with a lower capacity, the pipe size is smaller.
Another parameter that varies among different types of spa and steam heater units is the ventilation capacity. It is obvious that the larger the size, capacity, and thermal power of a heater unit, the greater the ability of the heater in question to produce air and in term aeration. For example, in the case of the mentioned heater, the ventilation capacity is between 2600 and 3950 CFM. While in the samples and types of heaters that have a lower heat capacity, the aeration capacity is also less.

Final speech

The specialized collection (Damatajhiz) (the first and most reliable authority in the country in the field of building facilities equipment and all air conditioning devices), offers you all kinds of sand filters and hundreds of other products, guaranteeing the originality of the product, valid warranty, and reasonable price. In addition, if you have any questions about choosing and comparing the brands of this product, you can get free advice from the heating equipment experts.

In Iran, the first and most famous specialized group in the field of building installation equipment, air conditioners, and all equipment for swimming pools, saunas, and jacuzzis since 2004, DamaTajhiz is a specialized group. Refer to the time of this group. For more information, you can get advice from the experts of DamaTajhiz Engineering and Production Company by calling 021-88822550.

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