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4. Design and functioning
21
4.2
Schematic diagram
4.2.1
Schematic diagram ESM 30
Fig. 3
a
1 Intake filter
2 Intake regulator
2.1 Actuator
2.2 Pressure control valve
2.3 Controller block
3 Electric motor
4 Compressor block
5 Final compression
temperature sensor (R2)
6 Pressure reservoir
7 Fine separator
8 Oil drain ball valve
9 Safety valve
10 Oil filter monitor (S5)
11 Oil filter
12 Oil cooler
13 Throttle
14 Check valve
15 Pressure holding and check
valve
16 Compressed air after-cooler
18 Final compression pressure
sensor (B2)
22 Oil temperature regulator
23 Oil level indicator
24 Intake filter monitor (S7)
25 Fine separator monitor (S6)
26 Cooling air ventilator
27 Intake monitor, visual
28 Network pressure sensor (B1)
29 Motor temperature (R1)
30 3/2-way solenoid valve
(control valve) (Y1)
31 Blow-off valve
32 Minimum pressure valve