BUSCH COBRA NC 1500 B, 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 Cooling......................................................................................................6
2.4.2 Sealing Systems .........................................................................................6
2.4.3 Liquid Return System .................................................................................6
2.5 Optional Accessories............................................................................................. 7
2.5.1 Resistance Thermometer............................................................................7
2.6 P&ID "Piping and Instrumentation Diagram" ....................................................... 7
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 Liquid Connection.........................................................................11
5.3 Earth Connection.................................................................................................. 11
5.4 Filling Oil .............................................................................................................. 12
5.5 Fitting the Coupling.............................................................................................. 14
5.5.1 Coupling Alignment...................................................................................14
5.6 Electrical Connection ............................................................................................ 15
5.6.1 Wiring Diagram Three-Phase Motor (Pump Drive).....................................16
5.7 Electrical Connection of the Monitoring Devices ................................................... 17
5.7.1 Wiring Diagram Resistance Thermometer ..................................................17
5.8 Operating Parameters........................................................................................... 18
6 Commissioning............................................................................................................ 18
6.1 Start-Up ............................................................................................................... 19
6.2 Switch Off ............................................................................................................ 19
6.3 Restart Procedure ................................................................................................. 19
7 Maintenance ................................................................................................................ 20
7.1 Maintenance Schedule.......................................................................................... 21
7.2 Oil Level Inspection .............................................................................................. 22
7.3 Oil Change ........................................................................................................... 22
7.4 Checking the Liquid Return System ...................................................................... 25
8 Overhaul...................................................................................................................... 26
9 Decommissioning ........................................................................................................ 26
9.1 Dismantling and Disposal...................................................................................... 27
10 Spare Parts ................................................................................................................... 27
11 Troubleshooting........................................................................................................... 28
12 Technical Data ............................................................................................................. 30
13 Oil ............................................................................................................................... 30