S6040A1003 Honeywell AIR FLOW SWITCH

The Honeywell S6040A1003 is an Air Flow Switch designed to monitor the flow of air and other non-aggressive gases in air ducts. It’s a cost-effective, paddle-type switch from the S6040 series, commonly used in Heating, Ventilation, and Air Conditioning (HVAC) systems. This simple yet reliable device plays a critical role in safety and control by signaling when air flow drops below or exceeds a pre-set level.

Product Parameters

• Model Name: S6040A1003
• Product Type: Air Flow Switch
• Flow Medium: Air and non-aggressive gases
• Switching Capacity: 15 (8) A at 24 to 250 VAC
• Flow Setpoint Range: 2.5 to 9.2 m/s
• Internal Duct Temperature Range: -40°C to +85°C
• Working Temperature: -40°C to +85°C at 90% relative humidity, non-condensing
• Ingress Protection: IP65 according to EN60529
• Protection Class: I according to EN60730
• Housing Material: ABS base and transparent PC cover
• Electrical Connection: Screw terminals for wires up to 1.5 mm²

Product Advantages

• Reliable and Cost-Effective: The S6040A1003 offers a simple, reliable, and economical solution for monitoring air flow, making it a popular choice for many HVAC applications.
• High Protection Rating: With an IP65 rating, the switch is well-protected against dust and low-pressure water jets from any direction, ensuring its functionality in dusty or moist environments.
• Wide Temperature Range: Its ability to operate in a wide temperature range of -40°C to +85°C makes it suitable for various climate conditions.
• Easy to Adjust: The flow setpoint can be easily adjusted with a screw on the device, allowing for quick calibration to meet specific application requirements.

Precautions

• Safety First: Always disconnect the power supply before installing, servicing, or adjusting the switch to prevent electric shock.
• Professional Installation: Installation and commissioning should be performed by qualified personnel to ensure proper and safe operation.
• Mounting Position: The switch must be mounted in the vertical position (with the switch box at the top) through a 20 mm hole in the duct.
• Clearance: Ensure there’s a smooth flow of air by mounting the device at a sufficient distance from elbows, valves, or other obstructions. Honeywell recommends a minimum of five times the duct diameter before and after the switch.
• Medium: The switch is designed for non-aggressive gases only. Using it with corrosive or other unsuitable media may damage the device.

Product Applications

The Honeywell S6040A1003 is a fundamental component in many building automation and HVAC systems. Its primary applications include:

• Fan Monitoring: Ensuring that fans in air handling units or ventilation systems are operating correctly by detecting the presence of air flow.
• Filter Monitoring: Acting as a safety interlock to shut down the system if a filter becomes clogged and reduces air flow.
• Duct Heater Protection: Preventing overheating of electric duct heaters by ensuring that air is flowing across the heating elements.
• Pressure Monitoring: Detecting a lack of air flow, which can be an indicator of a pressure drop in a ventilation system.
• General Ventilation Control: Providing a simple on/off signal for basic ventilation control and monitoring.