Bitzer optimises scroll compressors for part-load performance

Bitzer, scroll compressors, R410A, Orbit Oreal

To achieve greater efficiency at part load, Bitzer’s Orbit 8 series of scroll compressors, specifically designed for R410A, includes six displacement steps with capacities from 39 to 103 kW at 50 Hz. There are two versions of Orbit 8 compressors — one optimised for air-cooled applications and heat pumps and the other for water-cooled chiller operation.

The Orbit Boreal for water-cooled systems achieves an ESEER up to 15% higher than with a conventional scroll design. This is achieved by an optimal compression ratio for lower condensing temper­atures such as those found in water-cooled applications. Adapted motors result in lower applied cost and better efficiency at part load. Orbit 8 Boreal offers five capacity steps from 70 to 140 kW.

Another benefit is an operational sound level up to 3 dB(A) lower than competitive products.

For more information on this story, click here: April10, 170
Related links:
Related articles:



modbs tv logo

Four new appointments at BCIA

THE Building Controls Industry Association (BCIA) has appointed a new Vice-President and three new additions to its Management Committee.

Engineering services alliance welcomes retentions reporting legislation

Engineering services alliance Actuate UK has warmly welcomed the new secondary legislation which will require reporting of cash retentions held by the large construction companies under the Reporting Regulations.