Table of Contents
2 / 36
0870557375_NC2000B_VR_Ex_A0002_IM_en
Table of Contents
1 Safety........................................................................................................................... 4
2 Product Description ..................................................................................................... 5
2.1 Operating Principle............................................................................................... 6
2.2 Application ........................................................................................................... 6
2.3 Standard Features................................................................................................. 6
2.3.1 Cooling......................................................................................................6
2.3.2 Sealing Systems .........................................................................................7
2.4 Standard Accessories ............................................................................................ 7
2.4.1 Resistance Thermometer............................................................................7
2.4.2 Vibration Analysis System ..........................................................................7
2.4.3 Level Switch...............................................................................................7
2.4.4 Pressure Transmitter ..................................................................................7
2.5 Optional Accessories............................................................................................. 7
2.5.1 Resistance Thermometer............................................................................7
2.5.2 Terminal Box..............................................................................................7
2.6 Explanation of ATEX Classification ........................................................................ 8
2.6.1 ATEX Nameplate........................................................................................8
2.7 Safety concept...................................................................................................... 8
2.7.1 List of Mandatory ATEX Accessories ..........................................................9
2.7.2 P&ID "Piping and Instrumentation Diagram" ............................................9
3 Transport ..................................................................................................................... 10
4 Storage......................................................................................................................... 11
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 Cooling Liquid Connection.........................................................................13
5.3 Earth Connection.................................................................................................. 13
5.4 Filling Oil .............................................................................................................. 14
5.5 Fitting the Coupling.............................................................................................. 16
5.6 Electrical Connection ............................................................................................ 16
5.6.1 Wiring Diagram Three-Phase Motor (Pump Drive).....................................17
5.7 Electrical Connection of the Monitoring Devices ................................................... 18
5.7.1 Wiring Diagram Resistance Thermometer ..................................................18
5.7.2 Wiring Diagram Vibration Sensor...............................................................19
5.7.3 Wiring Diagram Level Switch .....................................................................20
5.8 Operating Parameters........................................................................................... 20
5.9 Flowchart ............................................................................................................. 22
6 Commissioning............................................................................................................ 23
6.1 Start-Up ............................................................................................................... 23
6.2 Switch Off ............................................................................................................ 24
6.3 Restart Procedure ................................................................................................. 24
7 Maintenance ................................................................................................................ 24
7.1 Maintenance Schedule.......................................................................................... 25
7.2 Oil Level Inspection .............................................................................................. 26
7.3 Oil Change ........................................................................................................... 26
7.4 Calibration Procedure of the Electrical Devices...................................................... 29
Summary of Contents for COBRA ATEX
Page 35: ...Note...
