Thermostatic actuator DANFOSS 088H3222, electronic, 230 V

The DANFOSS thermostatic actuator 088H3222 is an electronic 230 V valve actuator designed to modulate radiator and HVAC zone valves for automated temperature control. It provides reliable positioning of valve spindles to regulate flow in heating and cooling systems and is suitable for integration with room controllers and building automation. The compact electronic design supports continuous modulation and is intended for residential and commercial installations requiring electric actuation and precise flow control.

Advantages

Electronic operation at 230 V ensures compatibility with standard mains supplies and enables direct connection to common control circuits. The actuator delivers smooth, precise modulation of valve position for accurate temperature regulation and reduced hydraulic noise. Its design supports straightforward integration with room controllers and thermostats, and the actuator is built for consistent performance over repeated cycles in heating and cooling applications.

Suitable for

• Modulating radiator valves in residential heating systems
• Zone valve control in commercial HVAC installations
• Integration with room thermostats and building automation systems
• Retrofitting electric actuation on existing valve bodies

Key specifications

• Supply voltage: 230 V AC
• Type: electronic thermostatic actuator
• Function: modulating valve positioning for flow control
• Application: heating and cooling systems, radiator and zone valves
• Mounting: direct on compatible valve bodies and actuators designed for this form factor

How to use

Mount the actuator on a compatible valve spindle according to the valve manufacturer's instructions and ensure correct mechanical coupling. Connect the actuator to a 230 V AC supply and to the control signals from a room controller or thermostat as required. After power-up, verify that the actuator moves smoothly through its stroke and responds to control commands, adjusting setpoints or controller outputs to achieve the desired temperature regulation. Follow any commissioning routines for stroke calibration or end-stop settings if provided by the control system.

Usage recommendations

Use the actuator with valves and controllers that match its voltage and modulation characteristics. Ensure electrical connections are made by qualified personnel and protect the device from prolonged exposure to extreme moisture or corrosive environments. Regularly inspect mechanical coupling and electrical connections as part of routine system maintenance to preserve reliable operation.