Electric drive - 230V; 12s IVAR.527 LK ACTUATORS

Product detailed description

Electric actuators are essential components in modern heating and plumbing systems where precise control over fluid flow is required. They are typically used in residential and commercial buildings, particularly in applications involving zoning systems, underfloor heating, or variable load conditions. Installers often encounter these actuators when integrating thermostatic controls with mechanical shut-off valves. These devices allow for automated switching between open and closed positions based on signals from a control system, ensuring efficient operation and energy savings.

Actuators are commonly found in HVAC systems, where they work in conjunction with zone valves to regulate the flow of hot or cold water. In such setups, the actuator receives an electrical signal and converts it into a mechanical motion that rotates the valve stem. This allows for accurate control of individual zones, reducing unnecessary heating or cooling and improving overall system performance. The integration of such actuators requires careful attention to electrical connections, mechanical alignment, and thermal compatibility with the surrounding system components.

Technical parameters

Material	Brass CW617N
Operating temperature	+2 °C
Nominal pressure	PN 32
Supply voltage	230 V
Code	I066282
Brand	IVAR

The operating temperature range of +2°C to +110°C ensures suitability for both low-temperature and high-temperature applications. The nominal pressure rating of PN 32 indicates the maximum allowable working pressure for the system. The 230 V supply voltage is standard for single-phase applications and must be verified against the local electrical infrastructure. These parameters are crucial for determining the correct size and type of actuator for a given installation, ensuring reliable operation and compatibility with the system’s hydraulic and thermal requirements.

Installation and connection

Before installation, verify the electrical supply voltage and ensure the circuit is isolated. The actuator connects to the valve via internal female threads (FF), so the mating valve must have the correct thread type and size. Secure the actuator body to the valve using the provided fastening mechanism, ensuring alignment with the valve stem. Connect the 230 V power supply to the actuator terminals according to the wiring diagram. After installation, test the actuator by applying power and observing the rotation angle and response time. Common installation errors include misalignment of the actuator and valve, incorrect electrical polarity, or failure to check the torque setting.

Compatibility and accessories

This actuator is specifically designed for use with the IVAR.527 LK two-port zone valve. For full functionality, ensure the control system provides compatible 230 V signals and that the valve is correctly sized for the application. Additional components such as control panels, thermostats, and wiring accessories may be required depending on the system configuration. Refer to the manufacturer’s documentation for recommended combinations and installation guidelines.

Technical background for designers

The actuator operates on an electric motor that generates rotational movement to open or close the valve. The motor is enclosed in a housing made of brass CW617N and reinforced with PVC components, which offer resistance to corrosion and wear. The internal mechanism includes a gear train that reduces motor speed and increases torque, enabling smooth and controlled valve operation. The integration of the actuator into the system depends on the control logic and signal input. Factors affecting service life include operating frequency, load conditions, and environmental exposure. Proper sizing and selection based on flow rate, pressure, and temperature are essential for long-term performance.

Service and operation

Regular inspection of the actuator should focus on verifying the integrity of electrical connections, checking for signs of mechanical wear, and ensuring the valve operates smoothly. Lubrication of moving parts may be necessary depending on the manufacturer’s recommendations. There are no specified service intervals in the provided data, so follow the general maintenance practices outlined in the manufacturer’s technical documentation. During operation, monitor the actuator for unusual noise or delay in response, which may indicate an issue requiring further investigation.

Frequently asked questions

Can the actuator operate in environments with high humidity?
The housing material and design provide protection against moisture, but the IP 40 rating means it is not sealed against water ingress. Ensure the installation location is dry and protected from direct exposure to water.

Is the actuator compatible with three-phase power supplies?
No, the actuator is designed for single-phase 230 V power supply only. Connecting it to a three-phase supply could cause damage to the internal components.

Can the actuator be manually overridden?
Manual override is not specified in the provided data. Refer to the manufacturer’s technical documentation for information on manual operation or emergency override procedures.

What is the maximum allowable operating temperature?
The actuator is rated for operation up to +110°C. Exceeding this temperature may affect performance and reduce the lifespan of the component.