Operating instructions for S 40-3...S 150-3 series screw compressors
Page 79
Appendix
7.1
Flow chart
101 Intake air INLET
102 Compressed air OUTLET
1 Suction filter
2 Maintenance display (from 41 Hp)
3 Vacuum switch (for suction filter monitoring) *
4 Suction controller
5 Ventilation and regulation control valve
7 Drive motor
8 Compressor air end
9 Sensor for final compression temperature
10 Combined compressed air/oil receiver
11 Oil separator
12 Safety valve
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 Pressure sensor for system pressure
24 Pressure sensor for network pressure
25 Stop valve, compressed air outlet
27 Stop valve, oil drainage
28 Non-return valve drainage line (up to 102 Hp)
29 Proportional controller *
30 Differential pressure switch for proportional controller *
31 3/2-way solenoid valve for proportional controller
(for standard control, throughput here) *
37 Free air delivery display for proportional controller *
42 3/2-way solenoid valve for suction controller regulation *
43 Double non-return valve (items 42 + 43 = rapid-start valve) *
44 Double non-return valve (monitoring of rotational direction) *
* Optional accessory
