
CONTENTS
08/2021 5 NP-DK50 4VR 50, DK50 2x4VR 110-MD-2_08-2021
CONTENTS
IMPORTANT INFORMATION........................................................................................................6
1. CONFORMITY WITH THE REQUIREMENTS OF EUROPEAN UNION DIRECTIVES ....6
2. INTENDED USE ..............................................................................................................6
3. CONTRAINDICATIONS AND SIDE-EFFECTS................................................................6
4. SYMBOLS........................................................................................................................6
5. WARNINGS.....................................................................................................................7
6. STORAGE AND TRANSPORT CINDITIONS...................................................................9
PRODUCT DESCRIPTION ..........................................................................................................10
7. VARIANTS.....................................................................................................................10
8. ACCESSORIES.............................................................................................................11
9. PRODUCT FUNCTION..................................................................................................12
TECHNICAL DATA......................................................................................................................18
INSTALLATION...........................................................................................................................25
10. INSTALLATION CONDITIONS ......................................................................................25
11. COMPRESSOR ASSEMBLY.........................................................................................25
12. PNEUMATIC CONNECTION.........................................................................................30
13. ELECTRICAL CONNECTION........................................................................................32
14. COMMISSIONING .........................................................................................................33
15. PNEUMATIC AND ELECTRICAL DIAGRAMS...............................................................34
OPERATION................................................................................................................................44
16. SWITCHING ON THE COMPRESSOR..........................................................................45
17. SWITCHING OFF THE COMPRESSOR........................................................................45
PRODUCT MAINTENANCE ........................................................................................................46
18. PRODUCT MAINTENANCE...........................................................................................46
19. LONG-TERM SHUTDOWN............................................................................................55
20. DISPOSAL OF DEVICE.................................................................................................55
TROUBLESHOOTING.................................................................................................................56
21. REPAIR SERVICE.........................................................................................................57
ANNEX ......................................................................................................................................384
22. INSTALLATION RECORD ...........................................................................................384