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Bitzer Selection Software

The document provides specifications for BITZER Software v7.0.4 regarding semi-hermetic screw compressors HS, focusing on two models: HSK6461-60-40P and HSK7451-70-40P. Key input values include a cooling capacity of 100 kW using refrigerant R404A, with varying cooling capacities of 86.4 kW and 104.2 kW for the respective models. Additional details include power input, current, and application limits for standard operating modes.

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GersonRafael
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27 views1 page

Bitzer Selection Software

The document provides specifications for BITZER Software v7.0.4 regarding semi-hermetic screw compressors HS, focusing on two models: HSK6461-60-40P and HSK7451-70-40P. Key input values include a cooling capacity of 100 kW using refrigerant R404A, with varying cooling capacities of 86.4 kW and 104.2 kW for the respective models. Additional details include power input, current, and application limits for standard operating modes.

Uploaded by

GersonRafael
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 v7.0.4 rev13 Friday 23. May 2025 1:09:07 PM / All data subject to change.

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Selection: Semi-hermetic Screw Compressors HS


Input Values
Cooling capacity 100,0 kW
Refrigerant R404A
Reference temperature Dew point temp.
Evaporating SST -10,00 °C
Condensing SDT 45,0 °C
Liq. subc. (in condenser) 0K
Suct. gas superheat 10,00 K
Operating mode Standard
Power supply 400V-3-50Hz
Useful superheat 100%
Additional cooling Automatic
Max. discharge gas temp. 80,0 °C

Result
Compressor HSK6461-60-40P HSK7451-70-40P
Capacity steps 100% 100%
Cooling capacity 86,4 kW 104,2 kW
Cooling capacity * 86,4 kW 104,2 kW
Evaporator capacity 86,4 kW 104,2 kW
Power input 47,2 kW 57,8 kW
Current (400V) 76,1 A 92,3 A
Voltage range 380-415V 380-415V
Condenser capacity 133,6 kW 162,0 kW
COP/EER 1,83 1,80
COP/EER * 1,83 1,80
Mass flow LP 3063 kg/h 3696 kg/h
Mass flow HP 3063 kg/h 3696 kg/h
Operating mode Standard Standard
Liquid temp. 44,7 °C 44,7 °C
Oil volume flow 1,33 m³/h 1,93 m³/h
Cooling method -- --
Discharge gas temp. w/o cooling 78,1 °C 78,8 °C

Additional cooling/ limitations (see Limits)!


*According to EN12900 (10K suction gas superheat, 0K liquid subcooling)

Application Limits Standard HSK6461-60, HSK7451-70

Legend
max. tc for frequencies = 20Hz

max. tc for frequencies = 25Hz

max. tc for frequencies = 35Hz

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