Title: Honeywell XF524A 2-Way Spring Return Zone Valve Actuator for Hydronic Systems

Product Overview:
The Honeywell XF524A is a high-performance, 2-way normally closed spring return zone valve actuator, meticulously engineered to provide precise and reliable flow control in hydronic heating and cooling systems. Designed for seamless integration with Honeywell V4043H two-way zone valves, this actuator is an essential component for achieving optimal temperature regulation and energy efficiency in both residential and light commercial applications. Its robust construction and fail-safe spring return mechanism ensure dependable operation, automatically closing the valve in the event of a power interruption, thereby preventing unwanted heat loss or gain. The XF524A offers quiet, consistent performance, contributing to enhanced occupant comfort and reduced energy consumption across various hydronic setups.

Key Features & Benefits:

Normally Closed (NC) Operation: Ensures the valve automatically closes when power is removed, providing a critical fail-safe function and preventing unintended flow, enhancing system safety and efficiency.
Spring Return Mechanism: Guarantees reliable and immediate valve closure upon power loss, safeguarding against system issues and contributing to energy savings by preventing uncontrolled flow.
Compatible with Honeywell V4043H Zone Valves: Designed for perfect compatibility with the widely used Honeywell V4043H series 2-way valves, ensuring straightforward installation and dependable performance in hot and chilled water systems.
Low Power Consumption: Operates with high energy efficiency, minimizing electricity usage and reducing operational costs while maintaining consistent and effective control.
Quick & Easy Installation: Features a user-friendly design that allows for rapid mounting onto compatible valve bodies without the need for specialized tools, significantly reducing installation time and labor.
Quiet Operation: Engineered for minimal noise output, making it ideal for installation in residential properties, offices, and other noise-sensitive environments where silent operation is preferred.
Manual Operating Lever: Includes a convenient manual lever that allows for temporary opening of the valve, facilitating system filling, draining, or maintenance procedures with ease.
Robust & Durable Construction: Manufactured from high-quality materials, ensuring long-term reliability, exceptional durability, and extended service life even in demanding HVAC conditions.
Versatile Application: Suitable for a broad spectrum of hydronic systems, including central heating, underfloor heating, fan coil units, and domestic hot water circuits, offering flexible control solutions.
Enhanced System Control: Provides precise and responsive flow modulation, contributing to stable room temperatures, improved comfort levels, and optimized overall system performance.

Applications:

Residential Central Heating Systems: Ideal for controlling the flow of hot water to individual radiators, heating zones, or underfloor heating circuits in homes and apartments.
Commercial HVAC Systems: Utilized in light commercial buildings for effective zone control in heating and cooling circuits, optimizing energy use and comfort across different areas.
Hydronic Zone Control: Enables independent temperature management in various rooms or sections of a building, allowing for personalized comfort settings and significant energy savings.
Fan Coil Units: Regulates the flow of hot or chilled water to fan coil units, providing localized heating or cooling as required.
Domestic Hot Water Systems: Can be integrated into systems requiring two-position control of water flow for various domestic applications.

Technical Specifications:

Model: XF524A
Part Number: XF524A
Alternative Part Number: XF-524-A
Voltage: 230V AC, 50/60Hz
Power Consumption: 6W (running)
Actuator Type: 2-Way, Normally Closed, Spring Return
Compatible Valves: Honeywell V4043H Series 2-Way Zone Valves
Operating Temperature Range (Ambient): 0°C to 50°C (32°F to 122°F)
Max. Water Temperature: 95°C (203°F)
Cable Length: Approximately 1 meter (39 inches)
Enclosure Rating: IP40
Manual Lever: Yes, for filling/draining
Weight: 0.6 kg (1.32 lbs)
Approvals: CE