Wednesday, 1 October 2014

Danfoss Turbocor Compressors is transforming the commercial HVAC market with innovative technology

Danfoss Turbocor Compressors is transforming the commercial HVAC market with innovative technology that redefines lifetime operating costs for mid-range chiller and rooftop applications.

Magnetic bearings, two stage centrifugal compression, a variable speed permanent magnet motor and intelligent electronic controls combine to create a sustainable energy efficient solution that is compact, lightweight and quiet.

Combining industrially proven component technologies largely sourced from the aerospace industry, Danfoss Turbocor compressors promise new horizons in energy efficiency. Reliability is assured with almost 35,000 compressors running in the field.


The Turbocor-based chiller, in the form of the award-winning Turbomiser and several market variants, has proved to be one of the industry’s success stories of the past few years.

Sales of the high efficiency machines have risen every year since their launch five years ago. According to the latest industry figures, Turbocor-based machines are the only sector of the chiller market currently growing; while sales of reciprocating, screw and scroll-based chillers fell last year, sales of Turbocor machines rose by 50 per cent and are forecast to increase again this year.

As the installed base of these high-performance machines grows across the country, the issue of ensuring effective and timely servicing comes to the fore.
It is known that the oil-less design and reduced number of moving parts have major benefits in terms of reduced servicing. Along with its low energy consumption, this is one of the main attractions of the technology versus conventional chillers, which rely on maintenance-hungry oil-based lubrication systems.
Although the servicing needs of Turbocor machines are significantly reduced, for the periodic servicing that is required it is crucial to ensure this is carried out to the highest standards by knowledgeable and well trained engineers.

Turbocor is like a high performance car. It can deliver outstanding performance but needs expert back-up at the right intervals to ensure it stays in optimum condition – and continues to perform. The compressor is based on a two-stage centrifugal pump and spindle, which is levitated in a powered magnetic bearing. A DV inverter powers the motor, and the system is under the control of a highly sophisticated onboard microprocessor.
In the same way that it would be unwise to employ a back-street garage mechanic in the pits for an F1 championship, it is risky and potentially dangerous to let an untrained service engineer loose on a Turbocor. There have been some instances where field engineers or enthusiastic end users untrained in the technology have tried to tackle Turbocor servicing independently. In some cases, this has resulted in catastrophic damage to compressors and put their chiller out of action.
The truth is that the principles behind the technology are completely different to conventional compression systems.

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