Carrier HK50AA047 Board 321894-706 This unit typically requires a

This unit typically requires a supply voltage of 12 to 30 VDC (Class 2 or SELV) to produce the linear 0-10V analog output

This specific model is primarily rated for units up to 12

It natively supports a 2-10Vdc control signal

For contractors performing a replacement

Carrier HK50AA047 Board 321894-706 This unit typically requires aThe Carrier HK50AA047 is a specialized RTU Open controller designed for seamless integration within Carrier i Vu Control Systems. This native BACnet controller provides high level demand controlled ventilation and comprehensive management for light commercial rooftop units. Engineered to interface directly with the Carrier Comfort Network (CCN) or standalone BACnet MS TP networks, the board allows for precise HVAC zone control and energy optimization.