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VFD for CO2 systems

UK: Invertek Drives has introduced a new variable frequency drive designed specifically for CO2 refrigerant condensing systems.

The new Optidrive Coolvert is designed for OEMs to optimise the performance and lower the energy costs of compressors in heat pumps and condensing units.

Said to be one of the smallest in its class, it provides OEMS with opportunities to reduce panel space and lower machine costs. 

It claims the widest ambient operating range in its class of between -20ºC to +60ºC, making it suitable for use in a wide range of environments, including retailer chill and freeze refrigeration systems.

It is compatible with all motor types, including induction motors, permanent magnet motors, brushless DC motors, synchronous reluctance motors and line start PM motors ranging between 1.5kW to 11kW, 2HP to 15HP. It has single and three-phase input of 200V to 480V.

Open Modbus RS485 communication allows connection to any external application controller.

With an IP20 rated front and an IP55 rated rear, its through-panel mounting allows the drive’s power electronics to be cooled by the chilled air of the condenser. This allows OEMs to select the smallest panel size for the control of the electronics, while removing heat generated by the drive and maintaining the IP rating.

Invertek Drives

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