Fan coil unit (FCU) systems are a crucial part of modern building HVAC systems, directly affecting indoor comfort and energy efficiency. As the core control terminal of an FCU, the thermostat not only regulates room temperature but also manages fan and valve operation. Two common types of FCU thermostats are two-pipe and four-pipe systems. Understanding…
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Fan coil unit (FCU) thermostats are critical control terminals in HVAC systems, responsible for regulating indoor temperature and fan operation. Proper wiring ensures not only the correct functioning of the thermostat but also the stable operation of the entire fan coil system. For engineers and maintenance personnel, mastering the wiring method is essential. This article…
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In modern intelligent buildings, fan coil units (FCUs) are one of the most common terminal devices in HVAC systems, providing localized heating, cooling, and air circulation. With the widespread adoption of Building Management Systems (BMS), simple local control is no longer sufficient to meet energy optimization, remote monitoring, and centralized management requirements. A key bridge…
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In modern building projects, HVAC systems are no longer independent devices. Instead, they function as critical components of integrated building automation systems. In medium- to large-scale projects, communication protocol compatibility directly affects system manageability and long-term scalability. BACnet-enabled fan coil unit (FCU) thermostats have therefore become a preferred choice in professional building applications. So, which…
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With the rapid development of smart buildings and building automation, HVAC systems are no longer just simple temperature control devices. They have become an essential part of centralized management and energy optimization. Fan coil unit (FCU) thermostats with Modbus communication are increasingly used in office buildings, hotels, hospitals, and commercial complexes. But what exactly are…
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In modern building HVAC systems, fan coil unit (FCU) systems are widely used in hotels, office buildings, hospitals, and residential projects due to their flexibility and energy efficiency. With the increasing demand for smart building management, digital fan coil unit thermostats have gradually replaced traditional mechanical or analog thermostats and become the preferred solution. So,…
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Fan coil unit (FCU) systems are widely used in hotels, office buildings, shopping malls, and residential projects. The fan coil unit thermostat plays a critical role in temperature control and energy management. However, beginners often focus only on price or appearance and overlook system compatibility and functional requirements, which can lead to operational issues later.…
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With the rapid development of energy-efficient buildings and smart HVAC systems, EC fans (Electronically Commutated fans) are increasingly used in Fan Coil Unit (FCU) applications. Compared with traditional AC fans, EC fans offer clear advantages in energy efficiency, noise reduction, and speed control accuracy. However, to fully realize these benefits, selecting a thermostat that truly…
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In fan coil unit (FCU) systems, the fan coil thermostat plays a crucial role in regulating indoor temperature and ensuring occupant comfort. Among various system configurations, 2-pipe and 4-pipe fan coil systems are the most commonly used. Their structural differences directly affect thermostat functions, control logic, and application scenarios. Understanding these differences helps users make…
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In modern HVAC systems, the FCU thermostat (Fan Coil Unit Thermostat) plays a central role in indoor temperature regulation. Whether in office buildings, hotel rooms, or residential spaces, precise temperature control enhances comfort while improving energy efficiency. This article explains how accurate indoor temperature control can be achieved through FCU thermostats, covering core functions, control…
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