Siemens DDC 540-100 Controller 320788-704 Key Benefits: Precise Head Pressure

Key Benefits: Precise Head Pressure Regulation: Maintains a 180 PSIG setting to ensure the thermostatic expansion valve (TXV) receives the liquid pressure required for optimal evaporator feeding

Vertical installations require the primary pan integrated into the coil base

Always verify your nameplate voltage

Does this valve require an internal or external equalizer

Siemens DDC 540-100 Controller 320788-704 Key Benefits: Precise Head PressureThe Siemens 540 100 is an APOGEE TEC (Terminal Equipment Controller) designed for high performance Direct Digital Control (DDC) in pressure independent Variable Air Volume (VAV) systems. This electronic output controller provides precise airflow management and temperature regulation, operating as a standalone unit or fully integrated into a Siemens FLN (Floor Level Network). Engineered for Terminal Box applications, the 540 100 handles complex HVAC