Bitzer Semi-Hermetic Screw Compressor HSN7461-70 - HSN746170

BITZER HS SEMI HERMETIC SCREW COMPRESSOR SERIES

The HS series is the semi-hermetic screw compressor series with built-in motor for use in large-scale commercial refrigeration and process cooling and which is suitable for onshore and marine systems. The HS series is well known for its proven robustness, outstanding energy efficiency in full and part load and high versatility in the usability of many different synthetic refrigerants.

Applications

• Refrigerated MT and LT storage
• Blast chilling/freezing systems
• Process and A/C liquid chillers
• Ice production
• Heat recovery

Highlights

• Industry-leading energy efficiency in full and part load operation
• Easy parallel compounding for increased system capacity
• Suction gas cooled built-in motor for high robustness and wide application range

Product versions

• HSK (motor 1): MT and A/C applications
• HSN: LT and MT applications
• HSKB: LT stage in booster systems

Mechanical capacity regulation

• Easy control via flanged solenoid valves
• HS.53 to HS.74: Multistage capacity control (control pistons)
• HS.85: Dual capacity control (single slider) for stepwise or alternatively stepless capacity control and Vᵢ compensation
• Suitable for VSD operation
• Frequency range 20 ... 75 Hz