Operating instructions for S 40-3...S 150-3 series screw compressors
Page 81
Appendix
7.1
Flow chart
101 Intake air INLET
102 Compressed air OUTLET
103 Water INLET
104 Water 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
15 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 system pressure
24 Pressure sensor 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 suction control regulation *
(for standard control, throughput here) *
32 2/2-way solenoid valve
33 Control valve water supply (preadjusted)
34 Control valve water supply (preadjusted)
37 Free air delivery display for proportional controller *
42 3/2-way solenoid valve for suction control regulation *
43 Double non-return valve (items 42 + 43 = rapid-start valve) *
44 Double non-return valve (monitoring of rotational direction) *
* Optional accessory
To be provided by customer:
35 Dirt trap
36 Stop valve