The KMC Controls CSP-4702 is a professional-grade analog VAV differential pressure controller and actuator designed for high-precision management of pressure-independent terminal units. This compact unit integrates a digital CMOS differential pressure sensor that is internally linearized and temperature-compensated, ensuring stable airflow readings and consistent performance even at extremely low pressures. Field technicians prioritize the CSP-4702 for its 16VDC output, which simplifies VAV system integration by providing direct power to the room thermostat, such as the CTE-5202. Engineered to prevent system instability, the KMC CSP-4702 features advanced anti-jitter circuitry that effectively eliminates hunting and reduces mechanical wear on damper components. It mounts directly to standard 1/4" to 5/8" round or 1/4" to 7/16" square shafts without the need for complex linkages. With a 0 to 2" wc range and a 2 to 10 VDC input signal, this commercial HVAC actuator provides the modulating control required for demanding Variable Air Volume applications and electronic static pressure bypass systems. Key Benefits Enhanced Stability: Built-in anti-jitter logic significantly reduces hunting, protecting your damper hardware from premature failure. Versatile Mounting: Direct-shaft mounting eliminates the labor and cost associated with external linkages. Diagnostic Feedback: Onboard green and red LEDs provide immediate visual confirmation of opening and closing status for fast troubleshooting. Manual Override: A dedicated gear disengagement button allows for rapid manual positioning during balancing or maintenance. Reversible Rotation: Field-selectable clockwise or counterclockwise operation via simple jumper adjustment ensures compatibility with any damper configuration. Common Questions Can the CSP-4702 be used for static pressure bypass? Yes, besides standard VAV terminal units, this controller is frequently used in AHU or RTU bypass applications to maintain constant duct static pressure. Does this unit require a separate power supply for the thermostat? No, the CSP-4702 provides a dedicated 16VDC output specifically designed to power the associated electronic room thermostat. How do I handle a "hunting" actuator in my VAV box? The internal anti-jitter circuitry is designed to mitigate this, but ensure your sensing lines (1/4" FR tubing) are clear of debris and that the differential pressure sensor is not calibrated outside its 0-2" wc range. This item is not eligible for free shipping. 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.
