What is a thermostat and how does it work?

The thermostat is a very practical tool that is used to regulate the temperature of the building's interior environment.
As it can be seen from the Latin name of this widely used piece, Thermostat is a word that is formed from the combination of two words Thermo meaning temperature, and Stat (changing the data form of the word Staid) meaning fixed, stopped, and unchanged, and with a structural, It simply stabilizes the pleasant temperature.

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This temperature regulator is used in all types of heating and air conditioning equipment (types of engine houses, packages, chillers, air conditioners, etc.), greenhouses, furnaces, and steam boilers, and all types of household appliances such as washing machines, dishwashers, water heaters, and car air conditioning systems. And there are many other uses.
The important thing about the thermostat is that this part works automatically and basically it is connected to the device whose heating or cooling level should be kept constant and gives the command to operate or stop the operation.
The general function of the thermostat is that by disconnecting or connecting the circuit of the device, it prevents the increase or decrease of the air temperature beyond the permissible limits, and by using this device, energy consumption can be saved to a large extent.

Types of thermostats

Thermostats, like any other tool in the field of precision instruments and safety control, have different types for different and diverse applications, however, they can be categorized based on the following parameters:

• Temperature range
• type of action
• installation location
• Cold season or hot season
• Sensor type
• Working range
• Number of performance steps

Based on the temperature parameter

This is the simplest application that can be expected from a thermostat. The temperature parameter divides thermostats into two types refrigeration and heating thermostats, specifically, the refrigeration type is used to keep low temperatures constant (such as the temperature of industrial refrigerators, server rooms, cold rooms, etc.) and the heating type is used to keep it constant. The ambient temperature is used in high temperatures (such as hothouses, furnaces, etc.).

Based on the type of performance

This is the simplest application that can be expected from a thermostat. The temperature parameter divides thermostats into two types refrigeration and heating thermostats, specifically, the refrigeration type is used to keep low temperatures constant (such as the temperature of industrial refrigerators, server rooms, cold rooms, etc.) and the heating type is used to keep it constant. The ambient temperature is used in high temperatures (such as hothouses, furnaces, etc.).

Based on installation location

Thermostats can be divided into the following 4 models according to the exact installation location

• Room thermostat
• Channel thermostat
• Wall thermostat
• Immersed thermostat

Based on the application in the cold or hot season

It should be noted that some thermostats are used in winter and others are used in summer. Of course, there are thermostats that can be used in hot and cold seasons.

Based on sensor type

The most important part used in the thermostat is its sensor. Thermostats are divided into the following 4 models based on the type of sensor:

• Bimetallic thermostat
• Lantern thermostat
• Diaphragm thermostat
• Rheostat thermostat

Based on the number of performance steps

Some thermostats keep the ambient temperature at a constant number during one stage, which is called a single-stage thermostat; Others do this in two stages and they are called two-stage thermostats.
There is also another type of thermostat called a step thermostat.

Based on performance range

There are two common types of thermostats based on their performance range:

• Subzero thermostat
• Thermostat above zero

Thermostats can also be divided based on the technology used; Two common and popular types of these products are electronic thermostats and electromechanical thermostats.
The electronic type of these products transmits the disconnection or connection command by the sensor to a miniature relay, but the operation of electromechanical thermostats is a little more complicated.
This widely used tool receives the message from the thermal sensor and then disconnects the electronic circuit of the device through the mechanical interfaces that are transferred to the microswitch.
The two advantages of electromechanical thermostats compared to electronic ones are durability and higher life span and the simultaneous use of two sensors.

Points to consider when buying a thermostat

As a rule, the variety of products and the many uses of thermostats in the industry have caused buyers to pay attention to many points in choosing a thermostat, however, the most important points that can be effective in determining the selected thermostat are:

• Knowing the desired temperature range
• Having the ability to detect and display failure by the thermostat
• Thermostat dimensions
• The way and quality of temperature control and...

Dear ones, you can read the information on all types of temperature control and measurement equipment and get information about the updated prices of each of these products by referring to the temperature equipment website, the control, and safety section, and the temperature control and measurement section.

You can also read the article FAN COIL THERMOSTAT for more information.

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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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