Download Operating instructions

Appendix
7.2
Flow chart
101 Intake air INLET
102 Compressed air OUTLET
103 Water INLET
104 Water OUTLET
1 Suction filter
32 2/2-way solenoid valve
2 Maintenance display (from 30 kW)
33 Regulating valve water supply
(preset)
3 Vacuum switch
(for suction filter monitoring) *
4 Suction controller
34 Regulating valve water supply
(preset)
5 Air relief and regulation control valve
35 Dirt trap
7 Drive motor
36 Stop valve
8 Compressor air end
37 Free air delivery display for proportional controller *
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 Network pressure compressor
25 Stop valve, compressed air outlet
27 Stop valve, oil drainage
28 Non-return valve drainage line
(up to 75 kW)
29 Proportional controller *
30 Differential pressure switch for proportional controller *
31 3/2-way solenoid valve for proportional controller (for standard control,
throughput here) *
Operating instructions for S 31-3...S 150-3 series screw compressors
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) *
50 Filter
51 Safety valve
52 Heat exchanger
53 Converter
54 Heating cartridge with thermocouple
55 Thermocouple
56 Thermocouple *
57 Thermocouple *
58 Pressure retaining shut-off valve
(DHSV)
59 DHSV solenoid valve
60 Gauge
61 Relief ball valve
62 Condensate discharge valves,
automatic
* Optional accessory
Page 101