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For technicians performing a compressor swap or terminal repair
It is intended to be used with your existing compatible blower motor or a new OEM-equivalent motor
EPDM construction provides excellent resistance to oil
Cast Iron Construction: Rugged housing design provides superior vibration damping and structural rigidity
Siemens DDC R540-110N Control 319847-401 For technicians performing a compressorThe Siemens DDC R540 110N is a high performance Terminal Equipment Controller (TEC) engineered for precise Direct Digital Control of HVAC terminal units, including fan coil units, induction units, and pressure dependent boxes. This refurbished controller is a field proven solution for contractors maintaining Siemens APOGEE or TALON building automation systems. It features six digital outputs and operates on 24VAC 50 60Hz power, providing a robust