Sporlan 952664 TCB

The Sporlan 952664 TCB is a high-performance Temperature Control Board engineered for precision management of electronic expansion valves (EEVs) and suction control valves in commercial HVACR systems. Built for heavy-duty field use, this board is fully compatible with Sporlan SEI, SEH, CDS, and SDR series valves. Featuring an integrated potentiometer, this model allows for immediate, on-site adjustments to the temperature setpoint without requiring external programming tools. As a veteran-preferred analog interface, the 952664 operates on a 24 VAC power supply, delivering consistent 24 VDC output signals to drive bipolar stepper motor actuators. The modular design includes accessible jumper pins, enabling technicians to customize control parameters for hot gas bypass or evaporator pressure regulation applications. Whether you are performing a control board replacement or a new system integration, this TCB ensures stable superheat maintenance and optimized refrigerant flow, even in demanding low-ambient environments. Its rugged standoff-mounted circuit board architecture simplifies installation into existing electrical panels, providing long-term reliability for critical rack refrigeration and large-tonnage HVAC control systems.

• Universal Compatibility: Works seamlessly with all Sporlan step-motor valves including the SEI, SEH, and CDS lines (excluding 2500 step models).
• Simplified Calibration: The onboard potentiometer allows for rapid setpoint tuning by technicians during system commissioning.
• Flexible Control Logic: Field-adjustable jumpers allow the board to function as a standalone controller or as an interface for generic PID systems.
• Direct Stepper Control: Precisely manages the refrigerant flow by converting analog signals into accurate valve step positions.

Can I use the 952664 TCB with 2500 step valves like the CDST-7?
No, this specific board is not rated for 2500 step valves. It is designed for standard Sporlan electric valves. For higher capacity step requirements, please verify the specific controller series needed for your actuator.

Does this board require an external sensor to operate?
While it can act as an interface for a PID controller, the 952664 requires a Sporlan-compatible sensor to function as a standalone temperature controller. Ensure your sensor matches the resistance curve specified in the technical manual.

How do I adjust the temperature setpoint on this model?
Unlike the 952660, the 952664 model includes a potentiometer. You can adjust the temperature target by rotating the dial on the face of the board to the desired value within its operating range.

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.