Carrier 50HJ680050 Economizer Controller 30067439-890 Engineered with a 175°F open

Engineered with a 175°F open temperature and a 95°F close temperature

Efficient Performance: Optimized 1075 RPM operation reduces vibration and noise across the blower assembly

High Flow Efficiency: Delivers a substantial 60 Scfh air capacity while maintaining low pilot air consumption to preserve system-wide pressure stability

Broad Environmental Range: Performance-tested for temperatures from -4°F to 158°F and 0% to 95% non-condensing humidity

Common Questions: Is the Watts BKF55B interchangeable with other models

Carrier 50HJ680050 Economizer Controller 30067439-890 Engineered with a 175°F openThe Carrier 50HJ680050 Economizer Controller is a critical OEM replacement component designed for vertical mount configurations in high tonnage commercial rooftop units (RTU). As a primary logic module, this device automates free cooling by precisely modulating damper actuators based on real time mixed air and enthalpy sensor data. By prioritizing outdoor air intake when ambient conditions are favorable, the 50HJ680050 significantly reduces the load