Differences Between 2-Pipe and 4-Pipe Fan Coil Unit Thermostats
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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