Advantages and disadvantages of mini chillers - Damatajhiz

A mini chiller is a water cooling device that is placed in spaces such as the building yard, roof, etc., and completes its function with fan coils installed in the desired environment, forming an air conditioning cooling system. The way this system works is that after the cooling operation, the mini chiller sends water to the fan coil using a pump and through piping. Then the blower fan passes the air over the fan coil in which cold water flows and injects it into the environment. In this way, the environment cooling process is completed by a fan coil and mini chiller device. Stay with us in the rest of this article to learn more about the advantages and disadvantages of mini chillers compared to other air conditioners.
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Advantages of mini chiller

The items mentioned below are the advantages of using mini chillers, which are types of air chillers with low capacity. To complete your information, you can also read the article on home chillers in this collection.

• Due to the small dimensions of the mini chiller, it can be installed in places with little space. By using the mini chiller device, there is no need for a central chiller space in the motor house and it is very flexible in terms of application in open places.
• The mini chiller is installed in the open space and is connected to the fan coils inside the building or the desired industrial device with piping. The piping between the mini chiller located outside the environment and the fan coils inside the building are simple pipes, the cost of installation and implementation is much lower compared to a device such as a split duct, where the piping between the external and internal units is of copper type. . Therefore, one of the most important advantages of mini chillers compared to other cooling devices is the lower cost of its installation.
• Heat loss through copper pipes containing refrigerant is much more than simple water pipes, and better insulation should be used in devices such as split ducts, which will have a higher cost.
• The amount of refrigerant in the mini chiller circuit is less than that of splits and duct splits, and while reducing the price, it has fewer harmful environmental effects. Because the refrigerant is only injected into the mini chiller device and it reduces the water temperature in the same place in a heat exchanger called the evaporator, and this cold water is pumped to the internal units of the building (fan coils) with a pump. be But in splits and duct splits, the refrigerant is moved between the outdoor and indoor units (copper pipes between the units) and a large amount of refrigerant will be needed.
• Because its condenser is air-cooled (cooled by a fan), it does not need a water cooling tower and its equipment, which is used in large water-cooled chillers, and therefore this device does not consume water. The meaning of water consumption is that in cooling towers, a significant part of the water evaporates in the tower, which must be replaced by fresh water.
• The mini chiller can be piped for long distances, and it can be easily installed in a place out of sight (such as the roof) and connected to the fan coils located in the building by piping. While in other devices such as split or duct split, due to the drop in refrigerant efficiency in the copper pipe between the indoor and outdoor units, the outdoor unit cannot be installed more than a certain distance from the indoor unit because the result is an increase in consumption. The device will be powered.
• A mini chiller is used centrally instead of several air conditioners to cool a large space. Also, instead of using a central chiller for all units of a building (for example, a residential apartment with several separate units), a mini chiller can be installed for each unit separately and independently, and the cost of electricity consumption of each device can be calculated separately. It means that if we use a central chiller to cool all units, the cost of electricity consumption will be shared among all units and all units must pay for it in the same way (even if one unit has used less cooling system).
• There is the ability to accurately control the temperature in each fan coil connected to the mini chiller independently. For example, one person can set his room at 22 degrees and someone in another room can set the temperature at 25 degrees. This, in addition to maximizing the level of comfort, reduces the energy consumption of this system compared to other cooling systems because the fan coil of any room or hall of a building that does not need cooling can be turned off or the air temperature Adjust the output of it as desired.
• Scroll compressors are usually used in mini chillers, which have less friction, sound, vibration, and price than other compressors. Also, the indoor units (fan coils) are very quiet and there is no annoying sound that takes away comfort in this system. Mini chiller and fan coil systems are among the quietest air conditioners.
• Peripheral equipment such as cold water sending pump, expansion source, etc. are installed on the mini chiller and all the equipment is placed inside the device, which is easily portable and portable.

Disadvantages of mini chillers

The disadvantages of mini chillers are described below. For more information, you can read the article comparing duct split with chiller in this collection.

• Failure to respond to the cooling needs of very large places, of course, in such cases, a chiller must be used.
• More electricity consumption than the central chiller means if instead of a central chiller of 100 tons of refrigeration we use 20 mini chillers of 5 tons of refrigeration, the total cost of electricity consumption of 20 mini chillers will be more than the cost of electricity consumption of a central chiller of 100 tons of refrigeration and the reason for this is It is known that one or two compressors are used in each mini chiller, but in a central chiller of 100 tons of refrigeration, for example, 2 or 4 large screw compressors can be used, which while reducing the number of times the compressors turn on and off, can be controlled The continuous capacity of screw compressors has adjusted the power consumption of compressors exactly according to the needs of the consumer.
• The initial price is higher than that of a central chiller, for example, if we want to get a central chiller of 50 tons of refrigeration or 5 mini chillers of 10 tons of refrigeration for a building that needs 50 tons of refrigeration, the price of a central chiller is lower than the total of mini chillers. will be.

You can also read the article CALCULATE THE CAPACITY OF THE MINI CHILLER for more information.

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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Air-cooled chillers and water-cooled chillers are two types of cooling systems used in HVAC (Heating, Ventilation, and Air Conditioning) and industrial processes to remove heat from buildings or equipment. The primary difference between them lies in how they dissipate the heat generated during the cooling process:

Heat Dissipation Method:

Air-Cooled Chiller: Air-cooled chillers dissipate heat by using fans to blow ambient air over coils containing a refrigerant. The heat is transferred from the refrigerant to the air, and the heated air is then exhausted into the atmosphere. These chillers do not require a separate cooling water source or a cooling tower.

Water-Cooled Chiller: Water-cooled chillers dissipate heat by circulating water through a separate cooling tower or an evaporative condenser. The hot water from the chiller is pumped to the cooling tower, where it releases heat to the atmosphere through evaporation. Cooler water is then returned to the chiller for the cooling process.

Efficiency:

Air-Cooled Chiller: Air-cooled chillers are typically less energy-efficient than water-cooled chillers because they rely on the ambient air temperature for heat removal. In hot climates or during high-temperature periods, air-cooled chillers may struggle to maintain their rated capacity and efficiency.

Water-Cooled Chiller: Water-cooled chillers are generally more energy-efficient because they can maintain consistent cooling performance regardless of ambient temperatures. They are particularly well-suited for applications where a continuous and stable cooling capacity is required.

Space Requirements:

Air-Cooled Chiller: Air-cooled chillers are typically smaller and require less installation space compared to water-cooled chillers. They do not need a cooling tower, making them suitable for installations with limited space.

Water-Cooled Chiller: Water-cooled chillers require additional space for the cooling tower or evaporative condenser, making them more space-intensive. However, they can be more compact than air-cooled chillers in some cases when space for the cooling tower is available.

Want more information on Portable Air-Cooled Chiller? Feel free to contact us.

Maintenance:

Air-Cooled Chiller: Air-cooled chillers are generally easier to maintain because they have fewer components and do not involve water treatment, which is necessary for water-cooled systems to prevent scale, corrosion, and biological growth.

Water-Cooled Chiller: Water-cooled chillers require regular maintenance of cooling towers or evaporative condensers, water treatment to prevent issues, and a reliable water supply.

Noise:

Air-Cooled Chiller: Air-cooled chillers can be noisier than water-cooled chillers due to the operation of fans and compressors, which can be a concern in noise-sensitive environments.

Water-Cooled Chiller: Water-cooled chillers are typically quieter because the cooling tower or evaporative condenser is located separately from the chiller unit.

The choice between air-cooled and water-cooled chillers depends on factors such as climate, available space, energy efficiency goals, and specific application requirements. Each type has its advantages and disadvantages, and the decision should be based on the specific needs of the project.

What is air cooled chiller?

An air-cooled chiller is a type of refrigeration system used for cooling applications in various industrial and commercial settings. It is designed to remove heat from a process or space by transferring it to the surrounding air. Unlike water-cooled chillers that use water as a cooling medium, air-cooled chillers use ambient air for cooling.

What are water-cooled chillers ?

Water-cooled chillers are a type of cooling system used to remove heat from buildings or industrial processes. They are commonly used in large commercial and industrial facilities to provide air conditioning and maintain optimal temperatures for various applications.

Advantages of Air-Cooled Chiller System:

• Simplicity: Air-cooled chillers do not require a separate cooling tower or water source, making them easier to install and maintain.
• Suitable for smaller applications or buildings with limited space.
• Lower water consumption.

Advantages Water-Cooled Chiller System:

• Energy Efficiency: Water-cooled chillers are generally more energy-efficient than air-cooled chillers because they can operate at lower temperatures.
• Suitable for Large Buildings: They are suitable for larger industrial and commercial applications where higher cooling capacities are required.
• Better Performance in High Temperatures: Water-cooled systems perform well in hot climates where air-cooled systems may struggle.

For more information, please visit About Chiller.