BUSCH COBRA NC 0600 C, Instruction Manual

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Table of Contents
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Table of Contents
1 Safety........................................................................................................................... 4
2 Product Description ..................................................................................................... 5
2.1 Operating Principle............................................................................................... 6
2.2 Application ........................................................................................................... 6
2.3 Start Controls ....................................................................................................... 6
2.4 Standard Features................................................................................................. 6
2.4.1 Water Cooling ...........................................................................................6
2.4.2 Temperature Switch...................................................................................7
2.4.3 Thermometer.............................................................................................7
2.4.4 Sealing Systems .........................................................................................7
2.5 Optional Accessories............................................................................................. 7
2.5.1 Inlet Filter ..................................................................................................7
2.5.2 Gas Ballast Valve........................................................................................7
2.5.3 Silencer ......................................................................................................7
2.5.4 Barrier Gas System .....................................................................................7
2.5.5 Mechanical Seals........................................................................................7
2.5.6 Nitrogen Panel...........................................................................................8
2.5.7 Liquid Flushing Device ...............................................................................8
3 Transport ..................................................................................................................... 8
4 Storage......................................................................................................................... 9
5 Installation................................................................................................................... 9
5.1 Installation Conditions .......................................................................................... 9
5.2 Connecting Lines / Pipes ...................................................................................... 10
5.2.1 Suction Connection....................................................................................10
5.2.2 Discharge Connection................................................................................11
5.2.3 Cooling Water Connection ........................................................................11
5.2.4 Barrier Gas System Connection (Optional) .................................................12
5.2.5 Dilution Gas System Connection (Optional) ...............................................14
5.2.6 Purge Gas System Connection (Optional) ..................................................15
5.3 Filling Oil .............................................................................................................. 15
5.4 Filling Cooling Liquid ............................................................................................ 17
5.5 Liquid Flushing Device Installation (Optional) ....................................................... 18
5.6 Fitting the Coupling.............................................................................................. 18
5.7 Electrical Connection ............................................................................................ 19
5.7.1 Wiring Diagram Three-Phase Motor (Pump Drive).....................................20
5.7.2 Wiring Diagram Solenoid Valve (Optional) ................................................21
5.8 Electrical Connection of the Monitoring Devices ................................................... 21
5.8.1 Wiring Diagram Temperature Switch .........................................................21
5.8.2 Wiring Diagram Flow Switch (Optional).....................................................21
5.8.3 Wiring Diagram Level Switch (Optional) ....................................................22
6 Commissioning............................................................................................................ 23
6.1 Conveying Condensable Vapours ......................................................................... 24
6.2 Liquid Flushing Procedure..................................................................................... 24
6.3 Gas Purging Procedure ......................................................................................... 25
7 Maintenance ................................................................................................................ 25
7.1 Maintenance Schedule.......................................................................................... 26
7.2 Oil Level Inspection .............................................................................................. 26
7.3 Cooling Liquid Level Inspection ............................................................................ 27
7.4 Replacing the Gas Ballast Filter (Optional) ............................................................ 27