The IEC 71159953 24V Modulating Actuator is a precision control device engineered for proportional valve control in IEC fan coil units. Designed for systems that require fine modulation of water flow based on real-time zone temperature feedback, this actuator is ideal for energy-efficient HVAC systems and modern building automation setups. Operating on a 24V AC input, it enables smooth, incremental valve positioning rather than simple on/off operation.
Technical Specifications
- Manufacturer: International Environmental Corporation (IEC)
- Part Number: 71159953
- Voltage: 24V AC
- Control Signal: Modulating (typically 0-10V or 2-10V input, consult factory specs)
- Actuation Type: Proportional / Floating / Modulating
- Lead Configuration: Pre-wired control leads for easy integration
- Mounting: Direct mount on IEC control valves
- Application: Variable water flow control in HVAC fan coil systems
Key Features
- Energy Efficient: Allows variable valve positioning to minimize overuse of chilled or heated water.
- Precise Control: Enables fine-tuned thermal control in modern zoning systems.
- Quiet Operation: Low motor noise suitable for occupied commercial and residential environments.
- Building Automation Compatible: Works with most BMS/BAS protocols requiring analog control signals.
- Factory Fit: Designed to integrate with IEC valves for long-term, stable performance.
Industry Applications
- Commercial fan coil HVAC systems
- High-efficiency residential heating and cooling
- Building automation and energy management systems
- Offices, hotels, and multi-zone tenant spaces
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