Electric axial drive - 230V IVAR.UNIMIX SSA 31

Product detailed description

Electric axial drives are commonly used in hydronic heating systems to regulate the flow of heated water in mixing circuits. These drives are typically installed in commercial and residential buildings where precise temperature control is required. Installers working with central heating systems, especially those involving boiler modules and mixing units, will encounter these drives in applications such as underfloor heating, radiators, and hot water systems. The IVAR UNIMIXSSA31 is specifically designed for integration with modular mixing assemblies and boiler systems, ensuring accurate and reliable operation in variable load conditions.

When installing such systems, it is important to consider the positioning of the drive relative to the control unit and the mixing unit. The drive must be mounted in a location that allows for easy access during commissioning and maintenance, while also being protected from excessive moisture and mechanical stress. The system must be designed to accommodate the drive’s time constant and response characteristics to ensure stable and efficient operation.

Technical parameters

Supply voltage	230 V
Weight	0.308 kg
Code	UNIMIXSSA31
Brand	IVAR

The 230V supply voltage is standard for such drives in European installations and ensures compatibility with standard electrical infrastructure. The 150-second time constant indicates the drive’s response time, which is important for system stability and control accuracy. The M30 x 1.5 thread is a standard connection for such drives, ensuring compatibility with modular mixing units and boiler modules. The 3-position control signal allows for precise regulation of the mixing process, making it suitable for systems requiring variable flow rates and temperature settings.

Installation and connection

To install the IVAR UNIMIXSSA31, first ensure that the drive is compatible with the control system and the mixing unit. The drive connects via an M30 x 1.5 thread, which must be securely tightened to prevent leaks or misalignment. The electrical connection requires a 230V supply, and the control signal must be wired according to the manufacturer’s specifications. It is important to verify that the control signal is correctly configured for a 3-position operation to ensure accurate actuation. Common installation mistakes include incorrect thread alignment, which can lead to mechanical stress and premature failure, and improper electrical connections, which may result in erratic operation. Always check the torque specifications for the thread and ensure that the electrical wiring is protected from moisture and vibration. A final test of the drive’s movement and response to the control signal should be performed before commissioning the system.

Compatibility and accessories

The IVAR UNIMIXSSA31 is specifically designed for use with IVAR.UNIMIX mixing units and IVAR.MULTIMIX-C boiler modules. It is not intended for use with other manufacturers’ systems unless compatibility has been verified. When ordering, ensure that the control system and mixing unit are also available, as they are required for full functionality. No additional accessories are typically required for basic installation, but it is advisable to check the manufacturer’s technical documentation for any specific recommendations.

Technical background for designers

The IVAR UNIMIXSSA31 operates using an electric motor that drives an axial movement mechanism, which adjusts the position of the mixing valve. The drive is constructed from durable materials suitable for continuous operation in heating systems. The M30 x 1.5 thread ensures a secure mechanical connection to the valve body, while the 230V supply provides sufficient power for reliable operation. The 3-position control signal allows for precise modulation of the valve position, which is essential for maintaining consistent temperature and flow rates in the system. The efficiency and service life of the drive depend on several factors, including the quality of the installation, the alignment of the drive with the valve, and the stability of the electrical supply. Proper integration into the control system is crucial to prevent overloading and ensure smooth operation. The drive’s time constant of 150 seconds is designed to provide a balance between responsiveness and system stability, making it suitable for a wide range of heating applications.

Service and operation

The IVAR UNIMIXSSA31 requires minimal maintenance under normal operating conditions. Regular checks should include verifying the mechanical alignment of the drive with the valve and ensuring that the electrical connections remain secure and free from corrosion. No specific service intervals are provided in the brief, but it is recommended to inspect the drive during routine system maintenance. If the drive exhibits irregular movement or fails to respond to the control signal, it should be disconnected and inspected for mechanical or electrical faults.

Frequently asked questions

Can the IVAR UNIMIXSSA31 be connected to a 3-position control system?
Yes, the drive is designed to operate with a 3-position control signal, making it suitable for systems requiring variable valve positions.

Is the drive compatible with IVAR.MULTIMIX-C boiler modules?
Yes, the drive is specifically intended for use with IVAR.MULTIMIX-C boiler modules and IVAR.UNIMIX mixing units.

What is the significance of the 150-second time constant?
The time constant indicates the drive’s response time, which is important for system stability and control accuracy. A 150-second time constant ensures a balanced response without excessive overshooting.

Can the drive be used with other manufacturers’ mixing units?
Compatibility with other manufacturers’ systems is not specified in the brief. It is recommended to verify compatibility with the manufacturer before installation.