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Bitzer Selection Software

The BITZER Software v7.0.3 rev1 provides specifications for the OSN5351-K open screw compressor with a cooling capacity of 39.3 kW using R404A refrigerant. Key parameters include a shaft power of 20.7 kW, a COP/EER of 1.90, and a recommended driving motor of 30.0 kW. The document also notes operational limits and conditions for optimal performance.

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29 views2 pages

Bitzer Selection Software

The BITZER Software v7.0.3 rev1 provides specifications for the OSN5351-K open screw compressor with a cooling capacity of 39.3 kW using R404A refrigerant. Key parameters include a shaft power of 20.7 kW, a COP/EER of 1.90, and a recommended driving motor of 30.0 kW. The document also notes operational limits and conditions for optimal performance.

Uploaded by

ALeX
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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BITZER Software v7.0.3 rev1 Friday 13. December 2024 9:54:16 AM / All data subject to change.

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Selection: Open Screw Compressors OS


Input Values
Cooling capacity 15,00 kW
Refrigerant R404A
Reference temperature Dew point temp.
Evaporating SST -20,00 °C
Condensing SDT 40,0 °C
Liq. subc. (in condenser) 5,00 K
Suct. gas superheat 5,00 K
Operating mode Standard
Speed 2900 /min
Useful superheat 100%
Additional cooling Automatic
Max. discharge gas temp. 80,0 °C
Cooling capacity 100 %

Result
Compressor OSN5351-K
Cooling capacity 100%
Cooling capacity 39,3 kW
Cooling capacity * 37,1 kW
Evaporator capacity 39,3 kW
Shaft power 20,7 kW
Condenser capacity 58,3 kW
COP/EER 1,90
COP/EER * 1,79
Mass flow LP 1314 kg/h
Mass flow HP 1314 kg/h
Operating mode Standard
Liquid temp. 34,6 °C
Oil volume flow 0,98 m³/h
Cooling method External
Oil cooler outlet 60,0 °C
Oil cooler load 1,79 kW
Recommended driving motor 30,0 kW
Discharge gas temp. w/o cooling 65,7 °C

Additional cooling/ limitations (see Limits)!


Smallest compressor type
Starting point for motor selection see T. Data/ Notes
*According to EN12900 (10K suction gas superheat, 0K liquid subcooling)

Application Limits Standard OSN5351


BITZER Software v7.0.3 rev1 Friday 13. December 2024 9:54:16 AM / All data subject to change. 2/2

Legend

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