Carrier 50HJ680050 Economizer Controller 321702-401 By sensing the ambient air

By sensing the ambient air in the heated space

While normal HVAC operation typically utilizes 0-20 psig

the 32001619-001 tray snaps securely into the humidifier pad frame

The automatic reset functionality ensures the system resumes operation once pressure returns to safe levels

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