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
ST-140-1 // PDF Download
) .............................................................................................................. 58
3
) .............................................................................................................. 63
3
), divided refrigerant circulation .............................................................. 68
3
), simple refrigerant circulation ............................................................... 72
3
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