BUSCH COBRA NC 0100 B, Instruction Manual

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Table of Contents
2 | 48 Instruction Manual COBRA NC 0100-0300 B ACV_EN_en
Table of Contents
1 Safety..................................................................................................................................................................... 4
2 Product Description............................................................................................................................................. 5
2.1 Operating Principle ............................................................................................................................................. 6
2.2 Intended Use ....................................................................................................................................................... 6
2.3 Start Controls....................................................................................................................................................... 7
2.4 Standard Features............................................................................................................................................... 7
2.4.1 Air Cooling ............................................................................................................................................. 7
2.4.2 Temperature Switch ............................................................................................................................. 7
2.4.3 Sealing Systems..................................................................................................................................... 7
2.5 Optional Accessories........................................................................................................................................... 7
2.5.1 Gas Ballast Valve ................................................................................................................................... 7
2.5.2 Silencer................................................................................................................................................... 7
2.5.3 Barrier Gas System ............................................................................................................................... 7
2.5.4 Mechanical Seals................................................................................................................................... 7
2.5.5 Nitrogen Panel ...................................................................................................................................... 8
2.5.6 Pressure Switch (Barrier Gas).............................................................................................................. 8
3 Transport .............................................................................................................................................................. 9
4 Storage .................................................................................................................................................................. 10
5 Installation ........................................................................................................................................................... 11
5.1 Installation Conditions........................................................................................................................................ 11
5.2 Connecting Lines / Pipes .................................................................................................................................... 12
5.2.1 Suction Connection............................................................................................................................... 12
5.2.2 Discharge Connection .......................................................................................................................... 13
5.2.3 Barrier Gas System Connection (Optional) ........................................................................................ 13
5.2.4 Dilution Gas System Connection (Optional) ...................................................................................... 14
5.2.5 Purge Gas System Connection (Optional).......................................................................................... 15
5.3 Filling Oil............................................................................................................................................................... 16
5.4 Filling Cooling Liquid........................................................................................................................................... 18
5.5 Liquid Flushing Device Installation (Optional)................................................................................................. 18
5.6 Fitting the Coupling ............................................................................................................................................ 19
6 Electrical Connection........................................................................................................................................... 21
6.1 Machine delivered without Variable Speed Drive ........................................................................................... 21
6.2 Machine delivered with a Variable Speed Drive (Option)............................................................................... 22
6.3 Wiring Diagram Three-Phase Motor (Pump Drive)......................................................................................... 23
6.4 Wiring Diagram Solenoid Valve (Optional)....................................................................................................... 24
6.5 Electrical Connection of the Monitoring Devices ............................................................................................ 25
6.5.1 Wiring Diagram Temperature Switch................................................................................................. 25
6.5.2 Wiring Diagram Flow Switch (Optional) ............................................................................................. 25
6.5.3 Wiring Diagram Pressure Switch (Optional)...................................................................................... 25
6.5.4 Wiring Diagram Level Switch (Optional) ............................................................................................ 25
7 Commissioning..................................................................................................................................................... 26
7.1 Conveying Condensable Vapors........................................................................................................................ 27
7.2 Liquid Flushing Procedure ................................................................................................................................. 27
7.3 Gas Purging Procedure ...................................................................................................................................... 27
8 Maintenance......................................................................................................................................................... 28
8.1 Maintenance Schedule ....................................................................................................................................... 29
8.2 Oil Level Inspection............................................................................................................................................. 30
8.3 Cooling Liquid Level Inspection......................................................................................................................... 30