Carrier HK50AA047 Board 319848-301 if a "flame out" condition

if a "flame out" condition occurs

providing the necessary amperage to drive contactors

The integration of a red relief set point indicator allows for rapid diagnostic checks

Integrated Flood Detection: Built-in SentryPlus Alert technology enables proactive monitoring of relief events to prevent property damage

Technical Integrity: Preserves the pneumatic feedback and setpoint accuracy required for precise space temperature control in commercial HVACR environments

Carrier HK50AA047 Board 319848-301 if a "flame out" conditionThe 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.