Jiangsu Tent Environmental Technology Co., Ltd. : Your Professional FCU Manufacturer!
TENT Central Air Conditioning was founded in 2007 with a registered capital of 100 million yuan. Headquartered in Shanghai, it has over 30 sales and after-sales service centers in East China, Central China, North China, South China, Southwest, and Northwest China. It is a HVAC equipment integrator and system energy-saving solution provider that integrates research and development, manufacturing, sales, and service. We have two manufacturing bases in Jiangsu and Hebei, covering a total area of 50000 square meters. Our sales and installation service network is spread throughout the country.
Complete Qualifications
Our company has passed Quality Management System Certification, Environmental Management System Certification, Occupational Health and Safety Management System Certification, Intellectual Property Management System Certification, Enterprise Credit Rating Certificate, High tech Enterprise Certificate, CRAA Product Certification, and China Energy Conservation Product Certification. Additionally ,our rooftop air conditioner has obtained many industry-leading technology certifications, such as first-class energy efficiency certification, CRAA certification, energy saving certification, CCC certification and so on.
Strong Production Capability
Our company is located in Nantong city, Jiangsu province, which is engaged in the research, production and sales of fresh air conditioner, rooftop air conditioner, floor standing air conditioner, air-cooled modular chillers, purification air conditioners and so on. Tent possesses two production bases in Nantong Jiangsu and Hengshui Hebei, with total 80,000 square meters production area.
Rich Products
Our products cover rooftop air conditioning series, commercial fresh air conditioning series, central air conditioning host series, commercial/industrial air conditioning series, central air conditioning terminal series, planting air conditioning series, which can be used in medical, educational, residential, commercial, chemical, planting, industrial, aerospace and other systems.
Production Equipment
Our factory is equipped with advanced machines to meet production needs, including: 1 set of fully automatic uncoiling and leveling machine, 2 sets of 3kW laser cutting machines, 7 sets of bending machines, 2 sets of high-precision turret punching machines, 3 sets of closed high-speed punching machines, 2 sets of long U-shaped pipe bending machines, 2 sets of non shrinkage expansion pipe machines, 10 sets of final assembly production lines, and 2 sets of foam workshops.
What is FCU?
A fan coil unit (FCU) is a device used to heat or cool a room without the need for ductwork. It consists of an indoor coil, a fan and an outdoor condensing unit. The fan forces air through the indoor coil, which is filled with refrigerant, either cooling or heating it depending on the desired temperature in the room. This cooled or heated air is then sent into the room to maintain a comfortable environment.
Advantages of FCU




Compact Design
Fan coil units are compact in size and can be easily installed on walls or ceilings. This makes them a great option for homes with limited space or for retrofitting existing properties. The compact design also allows for multiple units to be installed throughout the home, providing zoned temperature control.
Energy Efficiency
Fan coil systems can be highly energy efficient, especially when used in conjunction with a high-efficiency heat pump. The ability to control each room’s temperature individually helps to avoid unnecessary heating or cooling, resulting in energy savings. Additionally, fan coil systems can be integrated with smart thermostats for even greater energy management.
Zoning Flexibility
FCUs can be easily integrated into zoning systems, enabling different areas of a building to be heated or cooled independently. This level of control enhances comfort and energy efficiency, as unused or less frequently occupied spaces can be conditioned as needed.
Rapid Temperature Response
Fan coil units provide quick and responsive temperature adjustments, and this ability to achieve the desired temperature rapidly is especially advantageous in spaces with varying occupancy patterns, such as hotel rooms or conference areas.
Installation Flexibility
FCUs can be installed in various configurations, including ceiling-mounted, wall-mounted, or concealed installations. This flexibility allows designers to tailor the system layout to the specific needs and aesthetics of the space.
Quiet Operation
Fan coil systems are known for their quiet operation. The fan coil units are designed with noise-reducing features, ensuring minimal disturbance in the living space.
Elements of FCU
A Fan Coil Unit (FCU) system compiles different HVAC mechanisms pertaining to temperature manipulation and airflow management in different environments. It has several significant components that complement proper heating in addition to cooling.
Indoor Coil (Water Coil or Heat Exchanger)
The water coil or heat exchanger is a critical component of an AC fan coil. It performs the mission-critical role of transferring heat between the refrigerant and air to manage the interior temperature inside the room.
Fan (Centrifugal or Axial)
The fan, which falls into two basic types of fans—centrifugal or axial, is one of the essential components in the fan coil AC unit. It is used to circulate the conditioned air throughout the area in which it is designed to be fixed. Centrifugal fans work with higher-pressure systems, while axial fans move large volumes of air at lower pressures.
Outdoor Condensing Unit
It consists of the compressor and condenser coil, which are important to the cooling process. The compressor increases the refrigerant pressure, which the condenser coil removes into the outside air for the refrigeration cycle to be complete.
Coil
The FCU system comprises a coil vital for heat exchange. During cooling, the room air is heated by the coil, which heats air in heating mode. It follows basic laws of thermodynamics, which are mainly conduction and convection.
Thermostat
Operating as an interface between the user and the control unit, the thermostat enables temperature setting. If the temperature goes above or below what was set, the fan coils HVAC will sense this, causing heating or cooling to adjust.
Filter
Dust, particles, and contaminants are caught within air filters, which help maintain indoor air quality. Consequently, this prevents damage to internal components and ensures better health.
Fan coil units (FCUs) are versatile components within HVAC systems, and they come in several configurations to suit various needs and preferences. There are several types of fan coil units available, each with its unique features and advantages. The most common types of fan coil units are:
Wall-Mounted Fan Coil Units
These units are designed to be mounted on a wall and are typically used in residential settings or smaller commercial spaces. They are compact, easy to install, and offer a range of heating and cooling options.
Floor-Mounted Fan Coil Units
These units are designed to be placed on the floor and are commonly used in larger commercial settings, such as hotels or office buildings. They are typically larger than wall-mounted units and offer a higher capacity for heating and cooling.
Ceiling-Mounted Fan Coil Units
These units are designed to be suspended from the ceiling and are commonly used in commercial spaces that have limited floor or wall space. They offer a high degree of flexibility in terms of placement and can be easily integrated into a building’s H VAC system.
Ducted Fan Coil Units
These units are designed to be integrated into a building’s duct-work system and are typically used in larger commercial spaces, such as shopping malls or airports. They offer a high degree of flexibility in terms of placement and can be easily integrated into a building’s existing H VAC system.
High-Static Fan Coil Units
These units are designed to operate at a higher static pressure than traditional fan coil units, allowing them to be used in spaces with longer duct runs or more complex duct-work systems. They are typically used in larger commercial spaces, such as hospitals or industrial facilities.
Working Principle of FCU
A fan coil unit (FCU) is an essential component of modern HVAC systems, playing a pivotal role in maintaining indoor comfort. At its core, a fan coil unit is a simple device comprising a fan and a coil – either for heating or cooling. Here are the workings of these units.
Components and Operation
A fan coil unit comprises two primary components: a fan and a coil. The operation begins when the fan draws the room’s air into the unit. This air then passes over the coils, where heating or cooling occurs based on the temperature of the refrigerant or water flowing through these coils.
Heating Process
In heating mode, hot water from a boiler flows through the coils. As the room’s air passes over these heated coils, it absorbs heat and gets warmed up before being circulated back into the room. This process continues until the desired room temperature is achieved.
Cooling Process
When it comes to cooling, chilled water or refrigerant circulates through the coils. The warm room air passing over these cooled coils loses its heat, resulting in cooler air that is then distributed back into the room.
Applications of FCU
Fan coil systems are versatile heating and cooling solutions that find applications in various settings. Whether it’s for residential, commercial, or industrial use, fan coil systems offer efficient and customizable comfort. Here are the different applications of fan coil systems in more detail.
Residential Use
In residential settings, fan coil systems provide homeowners with precise control over their indoor climate. These systems can be installed in individual rooms or throughout the entire house, allowing for zoned heating and cooling. With a fan coil system, you can adjust the temperature and airflow in different areas of your home according to your preferences. This flexibility helps to optimize energy usage and ensures personalized comfort for you and your family.
Commercial Use
In commercial buildings, fan coil systems offer an effective solution for maintaining comfortable indoor environments. Whether it’s an office space, hotel, or retail establishment, these systems can be installed in individual rooms or centralized to serve larger areas. The flexibility of fan coil systems allows for precise temperature control, catering to the needs and preferences of employees, guests, or customers.
Industrial Use
In industrial settings, fan coil systems serve a range of purposes, from process cooling to ventilation. These systems are designed to handle high airflow rates and meet the specific requirements of industrial environments. Fan coil systems can be integrated with existing HVAC systems or used as standalone units, depending on the needs of the facility. In some industrial applications, fan coil units are utilized for cooling machinery or equipment, ensuring optimal performance and preventing overheating. The ability to control temperature and airflow helps to maintain a stable and productive working environment.

When maintaining an FCU unit, little preventive care goes a long way toward longevity and efficiency. One should consider major components so that malfunctions do not happen and everything runs smoothly.
Filter Cleaning or Replacement
One of the simplest basic jobs when maintaining an FCU entails cleaning or changing the air filters from time to time. The dust, soil, and other impurities accumulate in the filters, contributing to good indoor air quality. Over time, these filters may block, providing less airflow and, therefore, needing more efficiency in their work. Doing so will always cause an airflow whenever the fan or other system's parts lack strain.
Professional Inspections
Technicians are trained to diagnose problems that may not be visible during routine maintenance. Some of these include leakage of refrigerants and breakdown of fan motors. Early observation during this process of expert checking prevents minor hitches from developing into major ones that would impair the whole system.
Regular Maintenance Schedules
Proactive care will put the system in a condition that needs little attention. Regular maintenance should comprise routine tasks such as filter cleaning/replacement and more detailed professional inspections. Top coordinated and consistent maintenance may lead to finding and repairing small underlying problems, enhancing the reliability and durability of the system.
FCU Type
There are several different types of FCUs, including horizontal, vertical, and ceiling-mounted units. Each class is designed for specific applications and has its advantages and disadvantages. Horizontal FCUs are typically used for low-ceilinged spaces, while vertical FCUs are ideal for taller areas. Ceiling-mounted FCUs are an excellent choice for rooms with limited wall space.
System Requirements
The control system of an FCU regulates the temperature of the air that is distributed throughout the space. Several control systems are available, including manual, thermostatic, and digital. A manual control system is the simplest type, but it requires the user to adjust the temperature manually. A thermostatic control system is more advanced and can be programmed to maintain a specific temperature range. A digital control system is the most advanced and can be remotely controlled via a smartphone or other device.
Airflow Rate
The airflow of an FCU is the amount of air that is moved through the unit in a given amount of time. This is measured in cubic feet per minute (CFM). The correct airflow for an FCU depends on the size of the space and the desired temperature range. If the airflow is too low, the area will not be adequately cooled or heated, and if the airflow is too high, the unit will be inefficient.
Load Requirements
Selecting a fan coil unit determines the space’s heating and cooling load requirements. This involves calculating the heat that needs to be removed or added to the room. Factors such as room size, orientation, insulation, and occupancy levels must be considered. A qualified HVAC professional should do the load calculation to ensure accuracy.
Sound Level
The noise level of an FCU is an essential factor to consider, especially in residential settings. The noise level is typically measured in decibels (dB); choosing an FCU that operates at a noise level acceptable for the space in which it will be installed is essential. Some FCUs have built-in sound-dampening features, which can help to reduce noise levels.
Energy Efficiency
The energy efficiency of the FCU should be specified in kW/ton. Energy efficiency is a crucial consideration when selecting an FCU. The unit should be designed to operate efficiently, which will help reduce energy costs and minimize environmental impact. The unit should have energy-saving features such as variable-speed motors and high-efficiency fans.
Air Filters
Indoor air quality (IAQ) is an important consideration when selecting an FCU. The unit should be designed to provide clean, fresh air and remove contaminants. The filtration system should be able to capture and remove airborne pollutants, such as dust, pollen, and other allergens. The unit should also be designed to prevent mold and bacteria growth.
Maintenance
The maintenance requirements of the FCU should also be considered. The unit should be designed for easy maintenance and service, with easy access to filters, coils, and other components. The manufacturer should provide information on recommended maintenance schedules and procedures.
Installation
The installation requirements of the FCU should also be considered. The unit should be designed for easy installation, with clear instructions and diagrams provided by the manufacturer. The installation process should be straightforward, with minimal disruption to the building occupants.
Frequently Asked Questions
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