ROTORCOMP NK 100, Руководство по эксплуатации, Страница: 10 / 52

ROTORCOMP VERDICHTER Operating Manual - NK 100
3.2 [en] 09/2008
3.2 Flow diagram of NK 100
(electric control unit)
Figure 3-2
1. Intake filter
2. Intake valve
2.1 No-load nozzle
3. Control unit (electric)
3.1 Discharge delay valve (EVV)
3.2 Solenoid valve
4. Screw compressor
5. Separator tank with pre-separation
6. Fine separator
7. Minimum pressure valve
8. Oil thermostat
9. Oil filter
10. Oil cooler
11. Air after-cooler
12. Non-return valve
13 Safety valve (optional)
14. Non-return valve
3.3 Operating description for NK 100
Screw Compressor Compact Module
(electric)
The flow diagram shows a schematic view of the
operating principle and the arrangement of the
main components of the NK 100 screw compres-
sor module with electrical control unit, regardless
of any other equipment.
3.3.1 Standstill
At standstill the solenoid valve 3.2 is deenergized
and the downstream devices are depressurized.
The minimum pressure valve 7 set to approx.
5.5 bar at the factory is tightly closed. The intake
valve 2 is closed at standstill.
2.1
3
7 11
1
2
8
10
9
4
5
3.2
13
6
12
3.1
14