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Bitzer Selection Software

The document provides specifications for BITZER Software v7.0.3, detailing two models of 2-stage semi-hermetic reciprocating compressors, S4N-8.2Y-40P and S4G-12.2Y-40P. It includes input values such as cooling capacity, refrigerant type, and operating conditions, along with results for cooling capacities, power inputs, and efficiency ratings. The document also notes application limits and emphasizes that all data is subject to change.

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46 views1 page

Bitzer Selection Software

The document provides specifications for BITZER Software v7.0.3, detailing two models of 2-stage semi-hermetic reciprocating compressors, S4N-8.2Y-40P and S4G-12.2Y-40P. It includes input values such as cooling capacity, refrigerant type, and operating conditions, along with results for cooling capacities, power inputs, and efficiency ratings. The document also notes application limits and emphasizes that all data is subject to change.

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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Download as PDF, TXT or read online on Scribd
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BITZER Software v7.0.3 rev1 Friday 13. December 2024 9:44:37 AM / All data subject to change.

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Selection: 2-stage Semi-hermetic Reciprocating Compressors


Input Values
Cooling capacity 15,00 kW
Refrigerant R404A
Reference temperature Dew point temp.
Evaporating SST -25,00 °C
Condensing SDT 40,0 °C
Operating mode with sub cooler
Suct. gas superheat 5,00 K
Useful superheat 100%
Power supply 400V-3-50Hz

Result
Compressor S4N-8.2Y-40P S4G-12.2Y-40P
Capacity steps 100% 100%
Cooling capacity 12,25 kW 18,41 kW
Cooling capacity * 9,09 kW 14,16 kW
Evaporator capacity 12,25 kW 18,41 kW
Power input 7,31 kW 11,05 kW
Current (400V) 12,16 A 18,79 A
Voltage range 380-420V 380-420V
Condenser capacity 19,56 kW 29,5 kW
COP/EER 1,68 1,67
COP/EER * 1,24 1,28
Mass flow LP 302 kg/h 470 kg/h
Mass flow HP 436 kg/h 658 kg/h
Intermed. pressure 6,08 bar(a) 6,08 bar(a)
Mean temperature 0,22 °C 0,22 °C
Liquid temp. 7,15 °C 10,80 °C

*According to EN12900 (20°C suction gas temp., 0K liquid subcooling)

Application Limits S4G-12.2, S4N-8.2

Legend

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