Trane CNT8121 Control Board 318820-201 For field diagnostics

For field diagnostics

Smith pressure switch applications in the BTI and BTN series

Simply wire the 3-pin BAS Port (Port 1A) to your BACnet MS/TP network and use the rotary DIP switches to set the MAC address

an inverse mode module or external logic inversion via the DPDT contacts is required

Common Questions Is the Emerson 097793 compatible with all refrigerants

Trane CNT8121 Control Board 318820-201 For field diagnosticsThe Trane CNT8121 Control Board is a high performance integrated furnace control designed for precise management of heating cycles and blower motor operations. This single stage IFC serves as a direct replacement for various Trane furnace control boards, ensuring seamless integration with existing 24V thermostat wiring and 120V gas valve circuits. As a critical component for maintaining system reliability, the CNT8121 monitors safety limit switches