Fan coil thermostat

The fan coil is one of the most widely used equipments in air conditioning systems, and which thermostat is used to regulate and control the temperature of its output air. In this article, we are going to talk about the fan coil thermostat, its working method, and its types. A thermostat, which is also called a thermostat in Persian, is used to command the operation of fan coils to set the temperature of the ambient air in a certain range, and this is done by controlling the motor and ventilation fan or controlling the flow of hot water or water. Cold takes place in the coils of the machine.

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Fan coil

As the name suggests, this equipment consists of a fan and a coil (multiple copper pipes bent together containing hot water, cold water, or refrigerant). The coils are generally made of copper tubes with aluminum fins, inside which the hot water of the engine room (in the winter) or the cold water of the chiller (in the summer) flows, and the fan of the device strongly passes the air over the coil and as a result Hot or cold air comes out of the fan coil outlet. The fan of this device is of centrifugal type and its number varies from 1 to 4 aeration fans according to the capacity of the fan coil.
In each building unit, the temperature of heating and cooling is controlled by a thermostat, the amount of humidity is controlled by a humidistat, the amount of air is controlled by a fan, and the amount of fresh air is controlled by conventional methods.
At the time of starting work, the fan coil creates cold or warm air at all its capacity, until the temperature of the desired space reaches the desired point. After a period of time, the temperature has reached the desired point and if the fan coil continues to work, the temperature will pass that point and the temperature conditions will no longer be favorable and pleasant. To solve this problem, the activity of the fan coil should be controlled by a temperature sensor. This device is called a fan coil thermostat.
Thermostats are among the most common temperature regulation and control tools in utility and building systems such as fan coils, air conditioners, boilers, etc., which are divided into two types, digital and analog. When buying a fan coil, you can choose a model with a digital thermostat or a model with an analog thermostat according to your needs.
In addition to fan coils, thermostats are also used to control the temperature of other devices such as refrigerators.

Types of fan coil thermostats

Fan coil thermostats can be divided into single-season and two-season categories according to the type of operation. For its single-season type, we can use the floor heating thermostat as an example, and for its two-season type, we can mention the fan coil thermostat. Also, in terms of how it works, it can be said that there are two types of thermostats: electromechanical and digital.

There is another classification of fan coil thermostats, based on setting the rotation speed of the aeration motor manually (from the key of the ground fan coils) or in 3 rounds (for ceiling and ceiling fan coils, which adjust the intensity of their wind throw as Manual is not possible) is done. The digital thermostat can also be of the network type, and the most common communication protocols in Iran are Modbus and KNX protocols, which are used to connect the digital thermostat to the fan coil network.

Also, regarding the proper installation location of the fan coil, it should be noted that the thermostat is not exposed to sunlight or the wind of the fan coil, and if possible, it should be installed at a height of 130 to 140 cm from the finished floor.

Digital fan coil thermostat

With the advancement of technology, digital thermostats are used in fan coils to intelligently control the temperature of homes and offices. The function of the digital thermostat is that the user enters the desired temperature and the thermostat compares it with the ambient temperature. Then, according to the difference between the measured temperature and the temperature specified by the user, it controls the cooling and heating temperature of the desired environment. Digital fan coil thermostats have a more accurate sensor and a higher operating speed. Also, the digital thermostat has the ability to connect to intelligent building energy control systems or BMS.
The fan coil thermostat is a very important part because, in addition to the temperature comfort of the residents, it also has a great impact on the energy consumption of the air conditioning system. Any kind of fan coil thermostat senses the temperature of the desired space with a sensor and if the room temperature reaches the set point, the fan coil aeration is stopped by the command to cut off the electric current by the thermostat.

Read more: The function and operation of the fan coils

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Final word

DamaTajhiz specialized collection (the first and most reliable specialized collection in the field of building facilities equipment and all air conditioning devices since 2013 and has 3 valid business licenses) offers all products with the guarantee of product authenticity, after-sales service, and reliable warranty. To view the models and brands, to know the updated prices, and to buy all types of fan coils and fan coil thermostats, you can refer to the website of DamaTajhiz's specialized collection. You can also contact the experts of the DamaTajhiz air conditioning unit during office hours to get more information and get advice through phone number +9821-88822550.

Related articles

To get more information, it is suggested to read the articles related to the fan coil thermostat article.

• What is a thermostat and how does it work?
• What is a fan coil?
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