Bitzer ST-140-2 Mode D'emploi page 42

Table of contents
1 Introduction ....................................................................................................................................................... 43
2 Safety.................................................................................................................................................................. 44
3 Application ranges oil cooling ......................................................................................................................... 45
3.1 BITZER air cooled oil coolers...................................................................................................................... 45
3.2 BITZER water cooled oil coolers................................................................................................................. 47
4 Connections at the compressor ...................................................................................................................... 50
5 Pipe layout and further system components ................................................................................................. 54
6 Basic version: oil cooler below compressor level ......................................................................................... 55
6.1 HS./OS. compressors with HFC or HFO refrigerants.................................................................................. 56
6.2 OS. compressors with R717 (NH
6.3 CSH/CSVH compressors with air cooled oil cooler..................................................................................... 60
6.4 CSH/CSVH compressors with water cooled oil cooler................................................................................ 60
7 Variant: oil cooler above compressor level .................................................................................................... 61
7.1 HS./OS. compressors with HFC or HFO refrigerants.................................................................................. 61
7.2 OS. compressors with R717 (NH
8 Variant: refrigerant cooled external oil coolers (thermosiphon oil cooling) ............................................... 65
8.1 HS./OS. compressors with HFC or HFO refrigerants, divided refrigerant circulation.................................. 66
8.2 OS. compressors with R717 (NH
8.3 HS./OS. compressors with HFC or HFO refrigerants, simple refrigerant circulation................................... 70
8.4 OS. compressors with R717 (NH
8.5 CSH circuit with simple refrigerant circulation............................................................................................. 74
9 Alternative to oil cooling: direct liquid injection (LI) ..................................................................................... 74
10 Selecting the oil cooler with the BITZER SOFTWARE................................................................................... 75
11 Thermostatic control of the oil cooler............................................................................................................. 82
12 Document as PDF.............................................................................................................................................. 82
ST-140-2 // PDF Download
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), divided refrigerant circulation.............................................................. 68
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), simple refrigerant circulation............................................................... 72
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