AFS-460-DSS | AIR FLOW SWITCH; DUAL CONTACT SWITCH | Johnson Controls

AirFlSw, Dual Con, 1.25-12"Adj: The Johnson Controls AFS-460-DSS Airflow Switch is an air pressure switch designed to monitor and control airflow in various industrial applications. It features a dual control design, allowing for precise adjustment of the airflow setpoints. The switch has an adjustable range of 1.25 to 12 inches of water column, making it suitable for a wide range of airflow conditions. Its robust construction and reliable operation ensure accurate and consistent airflow monitoring and control, enhancing efficiency and safety in industrial processes.

Application

The Model AFS-460–DSS is a general purpose airflow proving switch designed for 120 VAC HVAC and Energy Management applications where dual manual reset switches with SPST contacts are needed. It may be used to sense positive, negative, or differential air pressure.

Description & Operation

The plated housing contains a diaphragm, a calibration spring, and 2 snapacting switches with a single manual reset button.

The sample connections located on each side of the diaphragm accept .25" (6.35 mm) OD tubing via the integral compression ferrule and nut.

An enclosure cover guards against accidental contact with the live switch terminal screws and the set point adjusting screw. The enclosure cover accepts two 0.5" (12.7 mm) conduit connections. The manual reset button is located on the top surface of the enclosure cover.