If the switch is open (OL) while cool

it requires professional intervention to diagnose the cause of the high-limit trip before the system can be restarted

you know exact specs are non-negotiable for maintaining static pressure and compressor longevity

always verify the model and serial number of the AHU to ensure the metering device is rated for your specific refrigerant and tonnage

such as thermistor data and expansion valve positioning

Hankison 3228001 Motor 322838-752 If the switch is openThe Hankison 3228001 Motor is a precision engineered 115V single phase component designed for high duty cycles in refrigerated air dryers and industrial cooling assemblies. Operating at 25W with a fixed speed of 1550 RPM, this motor provides the consistent torque necessary to drive condenser fans and maintain critical dew point stability. Its clockwise (CW) rotation and compact frame make it a direct fit replacement for SPX Flow and Hankison units