Bitzer ST-140-1 Mode D'emploi page 63

7.2 OS. compressors with R717 (NH
OS.A53 .. 74
15
11
1
2
15
Fig. 18: Oil circuit for oil cooling with R717 (NH
a check valve and a differential pressure valve are necessary in the oil line. Hypothetical example with 3 different OS. compressors in order to
show the different equipment.
ST-140-1 // PDF Download
)
3
OS.A85
14
15
11
1
15 15
2
18 15 18
3
9 9
OSKAB85
17
16
8
16
15 15
): Variant with air cooled oil cooler which is placed significantly higher than the compressor. Here
3
OS.A95
15
11
1
15
2
15 18
9
21
16 16
8
16
15
TC
7
13
12
4
Booster
20 19
23
6
5
63