Schematic Diagram L90 - L132 - CompAir L15 Operating And Service Manual

4. Design and functioning
4.2 Schematic diagram
4.2.1

Schematic diagram L90 - L132

Switching point: 50 mbar
Idling pressure
approx. 1.5 bar
Switching point: 80°C
Fig. 4
1 Intake filter
2 Intake regulator
2.1 Actuator
2.2 Throttle valve
2.3 Check valve
2.4 Choke valve, adjustable
2.5 Controller block
3 Electric motor
4 Compressor block
5 Final compression temperature
sensor (R2)
6 Pressure reservoir
7 Fine separator
8 Oil drain
9 Safety valve
10 Oil level indicator
Switching point: 50 mbar
Pressure regulator output pressure: 2.5 bar
Orifice diameter: 1.2 mm
Start of opening: 55°C, 70°C
11 Final compression pressure
sensor
12 Pressure holding and check
valve
13 Network pressure sensor
14 Air cooler
15 Oil cooler
16 Oil temperature regulator
17 Oil filter
18 Cooling air ventilator
19 Motor lubrication system E4, E5
20 RS frequency converter
(only L90RS - L132RS)
21 Motor temperature (R1)
22 Pressure regulator
23 3/2-way solenoid valve (control
valve) (Y1)
Opening
pressure:
4.5 bar
Compressed air line
Oil line
Control line
Cooling water line
(only LxxW - water-cooled units)
24 Blow-off valve
25 Check valve
26 Choke valve, adjustable
27 Choke valve
28 Intake monitor, visual
29 Intake filter monitor (S7) *)
30 Fine separator monitor (S6) *)
31 Oil filter monitor (S5) *)
32 Dirt interceptor (Lxx W only)
33 Cooling-water solenoid valve
(Y6) (Lxx W only)
34 Manual regulating valve
(Lxx W only)
35 Monitoring cooling-water
temperature (S14) (Lxx W only)
*) Option
21