Trane AY28X079 Cooling Kit 319847-401 but specific wiring should follow

but specific wiring should follow the manufacturer’s schematic for your specific AHU model

Dual Seating Design: Allows for total isolation of the indoor coil or outdoor unit when front-seated

Each OEM York heating element kit comes integrated with high-limit thermal cutouts to protect the unit from overheating in the event of a blower failure

This pump features a standard 2-inch flange designed for commercial 2-bolt circular patterns

the CTC-1621 allows for field adjustment between 3

Trane AY28X079 Cooling Kit 319847-401 but specific wiring should followMaintain critical head pressure and prevent evaporator freeze up with the Trane AY28X079 Low Temp Cooling Kit. This evaporator defrost control is a vital integration for commercial and industrial 4TTR6, 4TTA3, and BYC systems, enabling reliable low ambient cooling down to 30F. By cycling the compressor when the indoor coil approaches frost conditions, this condenser fan cycle control prevents oil dilution and ensures stable HVAC refrigerant pressure