Packaged Unit

Description

A conventional cooling and heating package unit is a type of HVAC system used for cooling and heating indoor spaces, typically in homes or buildings. This package consists of an indoor unit and an outdoor unit that are used to create cooling and heating effects in the indoor space. This system typically uses a compressor to compress or transfer refrigerant (such as refrigerant gas) and a heat exchanger to transfer heat from or to the indoor space. This allows for cooling of the indoor space in the summer and heating in the winter.

Components of a conventional cooling and heating package unit

• Air-cooled compression chiller: This section is responsible for cooling the water. The chilled water is then transferred to the air handling unit coils, which cools the air entering the environment.
• Air handling unit: This section is responsible for distributing the cooled or heated air in the environment. The air handling unit consists of the following components:
  • Coil: The coils are responsible for transferring heat between the chilled or heated water and the air.
  • Fan: The fans are responsible for transferring the cooled or heated air from the coils to the environment.
  • Filter: The filters are responsible for purifying the air entering the environment

Packaged Unit Cooling and Heating System

Cooling Mode

• In the cooling mode, water is compressed by the compressor in the chiller, increasing its temperature.
• The hot water is then transferred to the condenser, where it is cooled by exchanging heat with the air.
• The cooled water is then transferred to the air handler coils, which cools the air entering the environment.

Heating Mode

• In the heating mode, hot water is heated by the air handler’s hot water coils and transferred to the environment.

Advantages of a Conventional Packaged Unit Cooling and Heating System:

• Easy installation and commissioning
• Low purchase and maintenance costs
• Capacity variety
• Ability to be used in various environments

Disadvantages of this device:

• Low efficiency
• Lack of capacity in large environments

Applications of Packaged Unit Cooling and Heating System

• Residential buildings: Packaged unit cooling and heating system is a suitable option for air conditioning medium to large size residential buildings. Due to its capacity variety and reasonable price, this device is also suitable for residential buildings with limited budgets.
• Commercial buildings: Packaged unit cooling and heating system is a suitable option for air conditioning commercial buildings such as shops, restaurants, and shopping centers. Due to its easy installation and commissioning, this device is also suitable for commercial buildings with space limitations.
• Office buildings: Packaged unit cooling and heating system is a suitable option for air conditioning office buildings such as companies, organizations, and offices. Due to its precise temperature and humidity control capability, this device is suitable for office buildings that require a comfortable environment.
• Factories: This device is a suitable option for air conditioning factories and workshops. Due to its ability to be used in industrial environments, this device is suitable for factories that require industrial air conditioning.
• Warehouses: This device is a suitable option for air conditioning warehouses. Due to its ability to be used in high-humidity environments, this device is suitable for warehouses that need temperature and humidity control.

Components of a Conventional Packaged Unit Cooling and Heating System

• Air-cooled condensing unit

This section is responsible for cooling the water. The chilled water is transferred to the air handler coils, which cools the air entering the environment.

• Air handler

This section is responsible for distributing hot or cold air in the environment. The air handler consists of the following components:

• Coil: The coils are responsible for heat transfer between hot or cold water and air.
• Fan: The fans are responsible for transferring hot or cold air from the coils to the environment.
• Filter: The filters are responsible for purifying the air entering the environment.

The Design and Manufacturing Process of a Typical Cooling and Heating Unit

Designing Phase

The technical specifications of the unit, such as capacity, refrigerant type, and required features, are determined in the design phase. The unit is also designed to meet the user’s needs completely.

Unit Capacity

The unit’s capacity determines the amount of cooling or heating it can produce. The unit’s capacity is selected based on the area of the intended environment.

Refrigerant Type

Refrigerant is a substance used in cooling and heating systems to transfer heat. There are various types of refrigerants, each with its own advantages and disadvantages. The type of refrigerant is chosen based on the environmental conditions and the unit’s application.

Unit Features

Additional features are added to the unit by its capabilities. Some features of typical cooling and heating unit systems include:

• Remote control
• Air filtration
• Dehumidification
• Underfloor heating

Manufacturing Phase

The parts and components of the unit are manufactured based on the design in the manufacturing phase. Additionally, the unit is installed and started up at this point.

Installation and Startup

The installation and startup of a typical cooling and heating unit system are carried out by professionals. At this point, the unit is installed and started up in the desired location.

Testing Phase

In the testing phase, the performance of the device is tested under various conditions to ensure its proper functionality. These tests include functional tests, safety tests, and environmental tests.

Is the power consumption of a packaged unit lower than that of a chiller and air handling unit system?

The short answer is that the power consumption of a packaged unit is generally lower than that of a chiller and air handling unit system. However, the precise answer to this question depends on various factors such as the device’s capacity, refrigerant type, and environmental conditions.

Packaged units typically have higher efficiency than chiller and air handling unit systems. This is achieved by eliminating some equipment and components in packaged units, such as the water-cooled condenser, chilled and hot water piping, and water pump.

Based on the information provided, it can be concluded that package units are a suitable option for reducing energy consumption in HVAC systems.

The price of the normal cooling and heating  packaged unit

The price of a typical cooling and heating package unit varies depending on various factors such as capacity, brand, and features of the device. In general, the price of a typical cooling and heating package unit is lower than other central HVAC systems such as chillers and air handlers.

Buying a Conventional Cooling and Heating Unit Package from Satraptahvieh Alborz

Satraptahvieh Alborz is one of the most reputable manufacturers and suppliers of HVAC systems in Iran. The company produces and offers its products with the highest quality and global standards. This company produces and supplies conventional cooling and heating unit packages in various capacities. These packaged units are of high quality and efficiency and can meet the different needs of users. To buy a conventional cooling and heating unit package, you can refer to Satrap Tahvieh Alborz Company. This company, by providing free consultation, helps you choose the right packaged unit for your needs.