The Delta Control 271590 is a BACnet-native controller specifically designed for Variable Air Volume (VAV) systems . This device integrates control, actuation, and airflow measurement into a single unit, making it a central component for precise management of modern HVAC systems in commercial and institutional buildings. It is a Class 2 device with an IP54 rating for environmental protection and operates on a 24 VAC 50/60 Hz power supply.
Key Features and Specifications
Native BACnet Communication
This controller features native, built-in support for the BACnet protocol . This ensures seamless integration and interoperability with Building Management Systems (BMS) from various manufacturers, allowing for unified central control and monitoring .
Integrated VAV Controller with Actuator
The 271590 model combines a VAV controller with a rotary actuator . It is designed to modulate air dampers, delivering precise and efficient airflow control. This integrated design simplifies installation and reduces the number of components needed.
On-Board Differential Pressure Sensor
The controller includes a built-in differential pressure sensor . This sensor provides accurate, real-time measurement of air flow, which is essential for maintaining the precise environmental conditions required for VAV system performance and occupant comfort.
Key Specifications
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Power Supply: 24 VAC, 50/60 Hz
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Protocol: Native BACnet
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Application: VAV Controller
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Enclosure Rating: IP54
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Class: Class 2
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Mounting: Direct mount
Applications
This controller is ideally suited for:
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VAV Systems: Precise control of air volume in variable air volume terminal units .
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Building Automation: Integration into new or existing building management systems for centralized HVAC control .
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Dual Duct Systems: Its sensor and actuator options make it suitable for more complex dual-duct air distribution configurations .
Benefits
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Energy Efficiency: Optimizes HVAC system performance to reduce energy consumption and operational costs .
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Improved Comfort: Ensures stable and precise temperature and airflow control for a comfortable indoor environment.
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Simplified Integration: Its native BACnet support allows for seamless connection to a wide range of BMS platforms, ensuring a future-proof and open solution































