ROTORCOMP NK 100, Руководство по эксплуатации, Страница: 14 / 52

ROTORCOMP VERDICHTER Operating Manual - NK 100
3.6 [en] 09/2008
3.6 Flow diagram of NK 100
(pneumatic control unit S3T)
Figure 3-6
1. Intake filter
2. Intake control valve
2.1 Nozzle
3. Control unit (pneumatic)
3.1 Proportional control valve (positive)
3.2 Impulse-pressure relief 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)
3.7 Operating description for NK 100
Screw Compressor Compact Module
(pneumatic)
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 pneumatic control unit, regardless
of any other equipment.
3.7.1 Standstill
At standstill the intake control valve 2 is closed by
the spring 3-7/3 . The downstream devices up to
minimum pressure valve 7 are depressurized. The
minimum pressure valve is set to approx. 5.5 bar
at the factory is tightly closed. The proportional
control valve 3.1 is set to operating pressure.
2.1
1
2
8
10
9
4
5
13
6
7
11
12
3.1
3.2
3