Description
The HS series is the semi-hermetic screw compressor series with built-in motor for use in large commercial refrigeration and process cooling. The HS series is well known for its proven robustness as well as outstanding energy efficiency in full and part load. The HSNP series is especially designed for use with the natural, low-GWP hydrocarbon refrigerants propene (R1270) and propane (R290) to take advantage of the outstanding properties of these refrigerants, especially in medium and low temperature applications. The HSNP series differs from the standard HS series in terms of electronic equipment, safety features and the oil used. As hydrocarbon refrigerants are flammable and are classified as safety class A3, the HSNP series is only available for OEM system suppliers who are experienced in the handling of flammable refrigerants.
Refrigerants
- Natural, low-GWP hydrocarbon refrigerants
- R290, R1270, flammable A3
Product range
- 2 families: HSNP74 and HSNP85
6 models: 192 to 535 m³/h @ 50 Hz
Certifications
- CE
Applications
- Refrigerated MT and LT storage
- Blast chillers/freezers
- MT and LT process chillers
- Heat recovery
Highlights
- Designed for use with the natural, low-GWP hydrocarbon refrigerants propene (R1270) and propane (R290)
- 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
Mechanical capacity regulation
- Easy control using flanged solenoid valves
- HSNP74: multistage capacity control (control pistons)
- HSNP85: dual capacity control (single slider) for stepwise or alternatively infinite capacity control and Vᵢ-compensation
- Suitable for VSD operation
- Frequency range 20..70Hz
Product executions
- HSNP: LT and MT application, hydrocarbon refrigerants
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