Product Description:

The FC-102P1K1T4P3RH2XGX3SXSXXXXAXBXCXXXXD0 is a Danfoss variable frequency drive in the VLT FC 102 HVAC Drives series. As a dedicated HVAC controller, it modulates motor speed in air-handling units, cooling towers, and pump circuits so building automation systems can maintain temperature and flow targets while reducing electrical consumption. This operating profile makes the unit suitable for applications that need stable airflow, controlled pump response, and smooth speed adjustment during changing building loads.

The drive accepts 380–480 VAC on a three-phase power input, which matches common industrial mains used with HVAC motors. An integrated RFI filter limits conducted noise without requiring additional line components, helping the installation remain electrically clean. Operators use the graphical local control panel to view parameters, trends, and alarms directly at the drive. A plug-in MCB-107 24 V DC backup card sustains control voltage during a mains loss, which supports orderly shutdown and event recording. The voltage range also suits the 400 V class of induction motors commonly used in chilled-water systems and large ventilation equipment.

The circuit boards use an uncoated PCB finish, which is suitable for equipment rooms that remain below corrosive gas limits. The control profile includes HVAC-oriented PID control and fire mode functions, supporting building applications that need closed-loop regulation and emergency operating behavior. Because the configuration omits a brake chopper, commanded stops rely on motor regenerative capability or external braking hardware. The unit is arranged for HVAC duty rather than motion-control functions, so its features are focused on fan and pump operation instead of high-dynamic positioning. This layout supports consistent control of duct pressure, return fans, and booster pumps without adding unnecessary motion features.