while the SPDT switch configuration provides flexible electrical interfacing for alarm circuits or primary lockdowns

71-ton capacity units

making it ideal for warming cabinets

What are the wiring requirements for this control

The GM40AV-W relies on line power for timing

Carrier HK35AA009 Circuit Board Refrigerant while the SPDT switch configurationThe Carrier HK35AA009 Circuit Board is a genuine OEM multi function sequence timer designed to replace legacy electromechanical timers in Carrier, Bryant, and Payne HVAC equipment. This printed control board serves as a critical timing control unit, specifically engineered to manage compressor time delays and safeguard systems against short cycling and momentary power interruptions. Unlike universal aftermarket boards, the HK35AA009 is a direct