Carrier S17S0002N25 Board

The Carrier S17S0002N25 Board is a high-performance DXM2 STD CM Programmed Board designed for professional-grade geothermal and water-source heat pump applications. This OEM Carrier control board serves as the central processing unit for the DXM2 digital control system, coordinating critical functions such as compressor staging, reversing valve operation, and ECM fan motor control. Built to survive the electrical rigors of commercial and residential HVAC environments, the S17S0002N25 features advanced microprocessor logic that manages vFlow variable speed pump integration and iGate communicating thermostat protocols. Replacing legacy part numbers including 17B0002N23 and S17S0002N24, this board provides modern diagnostic capabilities with on-board LED status indicators and a dedicated test mode for rapid system validation. Technicians will find the integrated fault detection and safety protocols—including high/low pressure monitoring and condensate overflow protection—essential for maintaining the system integrity of ClimateMaster Tranquility series units.

Key Benefits:

• Optimized System Efficiency: Precise modulation of ECM blowers and variable-speed pumps maximizes SEER and COP ratings.
• Advanced Diagnostics: Two-way iGate communication allows for remote monitoring and detailed fault code history through compatible thermostats.
• Broad Compatibility: Direct replacement for several discontinued DXM and DXM2 series boards, ensuring legacy equipment stays operational.
• Enhanced Protection: Robust built-in logic protects the coaxial heat exchanger with accurate refrigerant sensing and low-temperature cutouts.
• Field Flexibility: Features configurable DIP switches for tailoring airflow, dehumidification modes, and staging to specific site requirements.

Common Questions:

Is the S17S0002N25 a drop-in replacement for the S17S0002N24?
Yes, this is the current official Carrier OEM replacement for the S17S0002N24 and 17B0002N23 boards, maintaining full hardware compatibility.

Does this board require specialized tools for configuration?
While technical configuration can be performed via DIP switches, utilizing a Carrier Service Tool or an iGate communicating thermostat provides the most comprehensive access to installer settings and sensor data.

What are the most common fault codes on the DXM2 system?
Technicians frequently monitor for Code 2 (High Pressure), Code 4 (Condensate Overflow), and Code 5 (Low Pressure). The S17S0002N25 provides these codes via the red and green status LEDs on the PCB.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.