Why Does the FCU Digital Thermostat Support Both 2-Pipe and 4-Pipe Systems?
In central air-conditioning projects for commercial buildings, hotels, apartments, and office buildings, fan coil unit (FCU) systems are widely used as terminal air-conditioning equipment, and the digital fan coil thermostat undertakes the entire system’s temperature control task. Since different buildings adopt different chilled/hot water system designs—some using 2-pipe systems and others using 4-pipe systems—the thermostat…
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