Operating instructions for S 40-3...S 150-3 series screw compressors Page 83
Appendix 7.1 Flow chart
101 Intake air INLET
102 Compressed air OUTLET
1 Suction filter
2 Maintenance display
3 Vacuum switch (for suction filter monitoring) *
4 Suction controller
5 Ventilation and regulation control valve
6 Pressure switch (for rotational direction, system relief and V-belt monitoring) *
7 Drive motor
8 Compressor air end
9 Final compression temperature display and switch
10 Combined compressed air/oil receiver
11 Oil separator
12 Safety valve
13 Differential pressure switch (for oil separator monitoring) *
13 System pressure switch (for system pressure build-up and monitoring) *
15 Safety pressure switch (for pressure limitation) *
16 Thermostatic oil control valve
17 Oil cooler
18 Oil filter
19 Differential pressure switch (for oil filter monitoring) *
20 Oil throttle
21 Minimum pressure non-return valve
22 Compressed air aftercooler
23 Operating pressure switch
24 Pressure sensor, compressor network pressure
24.1 Pressure gauge (system pressure)
25 Stop valve, compressed air outlet
26 Pressure sensor for network pressure (frequency converter)
27 Stop valve, oil drainage
27.1 Stop valve, oil drainage (oil cooler, 102 - 340 Hp)
28 Non-return valve drainage line (up to 102 Hp)
31 3/2-way solenoid valve
* Optional accessory
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