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By sensing the ambient air in the heated space
the NEMA 4 rated die-cast aluminum enclosure ensures the electronics remain protected from moisture and industrial debris
Direct-Acting Reliability: The direct-acting design allows for operation even at zero pressure differential
which allows technicians to connect gauges or charging hoses directly at the isolation point without installing additional tees
000 BTU (720 CFH)
Carrier 50HJ680050 Economizer Controller 321702-401 By sensing the ambient airThe 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
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