Different Types of Ceiling Fan Coil Units

Fan coils are one of the most widely used cooling and heating air conditioning equipment, which are divided into different categories, such as ceiling, wall, ground, etc., in terms of installation method and location. The ceiling fan coil is an example of the types of fan coils that are installed in places such as residential complexes, apartments, commercial and office centers, etc. to provide the right temperature in different weather conditions. Ceiling fan coils are produced in different capacities and powers, and for optimal use of this device, you should also take help from chillers or boilers. In the rest of this article, we will learn more about the ceiling fan coil, its types, advantages, and disadvantages, stay with us.

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Ceiling Fan Coil

Type of function and structure of fan coil

The main components of fan coils include cooling and heating coils, a ventilation fan, and an electric motor. Usually, the cold water of the fan coil is provided by a chiller or mini chiller (scroll chiller, screw chiller, centrifugal chiller), and the required hot water is supplied from the boiler or package, and then it is transferred to the coil in the fan coil through piping and flows inside it. . After the air is blown by the ventilation fan over the cooling or heating coils, cold or hot air is discharged from the device. Also, the device helps in air filtration by using washable filters. In this system, the operation of each device is controlled separately and independently from other fan coils, and the desired temperature is adjusted by controlling the water flow entering the coil or controlling the fan speed.

Types of ceiling fan coils

Ceiling fan coils are actually in the form of a rectangular box that contains a coil, a distillation tray, an air filter, and a ventilation fan, and they are placed inside or on the ceiling, which has different types, including:

Built-in ceiling fan coil
Surface-mounted ceiling fan coil
Ducted fan coil

Built-in ceiling fan coil

The built-in ceiling fan coil consists of a rectangular unit that is installed inside the false ceiling of the building and only the outlet air vent is visible. Its internal components include a fan, electric motor, heating coil, filter, ventilation valve, drain tray, and other connections and equipment. The ceiling fan coil has filters that are usually washable, and it is necessary to wash these filters well every once in a while to completely remove the dust caused by the air entering the device, and then install them again in the unit. Built-in ceiling fan coil has a better price than other fan coils. And they are designed and produced in the capacity of 200 to 1200 CFM. Of course, the fan coils that are placed in the false ceiling can also be called one of the types of ceiling fan coils that are produced in one or four ways.

Surface-mounted ceiling fan coil

Surface-mounted ceiling fan coils, or ceiling-ground fan coils, are similar to a panel that can be installed both on the ground and on the ceiling. But unlike the built-in fan coil, it has a complete cabin and body and is not installed inside the ceiling, but is installed on the ceiling of the unit or placed on the floor. The ceiling fan coil is used when the ducting of the ceiling fan coil is not done in the building.

Ducted fan coil

A ducted fan coil is one of the largest types of ceiling fan coil, which is usually installed inside the roof of the building like the built-in fan coil. The working process and components of the channel fan coil are the same as the built-in fan coil and they differ only in the capacity and power of the wind, which is more in the channel fan coil. Since the channel fan coil has a higher capacity than other fan coils, it is used in buildings that require high capacity for heating and cooling the environment. In the channel fan coil, the type of airflow, or in other words, the entry and exit of air, is designed as a channel and can create a high-pressure airflow, for this reason, it is also referred to as a high-pressure fan coil. Channel fan coils are usually designed and produced in capacities of 600 to 2000 CFM, and in low capacities, they have one fan and in high capacities, they have two fans.

How to install a ceiling fan coil

In order to install ceiling fan coils (channel or built-in type), the location and dimensions of the fan coil should be specified during the design and construction of the units so that they can be installed correctly in the ceiling. In addition to ducting (for ducted fan coils), cold water and hot water piping for the inlet and outlet of the fan coil must also be done in the building circuit. Ceiling fan coils usually have a vent in the lower part that allows for easy access to the fan coil for service, repair, etc., and also have another vent in the front of the device that is installed to allow hot or cold air to enter the room. . Also, the air suction of this device is generally done through the valve below it.

Advantages of using a ceiling fan coil

Optimal cooling and heating performance
Design and production of ceiling fan coils in different capacities
Small volume and beauty in design
Occupying less space and easy implementation on the roof
The low consumption of the new series of ceiling fan coils and placement in class A of energy consumption
Having a remote control or thermostat to control the temperature
Low noise performance

You can also read the article FAN COIL PIPING SYSTEM for more information

Approximate calculation of fan coil capacity

The estimation of the required fan coil capacity for each of the sizes presented in the table below is approximate and based on the temperature conditions inside and around the maximum fan. At medium speed, the correction coefficient of fan coil ventilation volume is about 0.8 compared to fast speed, and about 0.85 in terms of cooling and heating power. If you want to get more information in this field, you can also contact the experts of Damathezis company.
In the table below, the approximate estimate of the fan coil capacity required for Tehran's weather conditions is presented.

The formula for calculating the capacity of the fan coil

Fan coil capacity calculation table

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final word

We hope that we have been able to provide useful information about ceiling fan coils. To get more information and get advice regarding the selection of the fan coil needed for the project, you can contact the experts of the air conditioning unit of the DamaTajhiz specialized collection during office hours (the first and most reliable specialized collection in the field of building installation equipment and all air conditioning devices since 1383 and has 3 valid business license) during office hours, please call +9821-88822550.

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In order to get more information, it is recommended to read the articles related to the ceiling fan coil comparison article.

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