6.7 Connecting converters....................................................................................................... 76
6.8 Final checks....................................................................................................................... 77
7 Commissioning .................................................................................................................................... 79
7.1 Measures before commissioning ........................................................................................ 79
7.1.1 Mechanical and electrical check ......................................................................................... 80
7.1.2 Converter operation........................................................................................................... 81
7.1.3 Insulation resistance and polarization index ....................................................................... 81
7.1.4 Checking the machine cooling ........................................................................................... 81
7.1.5 Commissioning the separately driven fan ........................................................................... 82
7.1.6 Further documents ............................................................................................................ 83
7.1.7 Setpoint values for monitoring the bearing temperature..................................................... 83
7.2 Switching on ..................................................................................................................... 84
7.2.1 Test run ............................................................................................................................. 85
8 Operation............................................................................................................................................. 87
8.1 Safety instructions for operation ........................................................................................ 87
8.1.1 Safety instructions in operation - uncovered, rotating parts................................................. 87
8.1.2 Safety instructions in operation - parts that are not covered, and that are under voltage
(live parts) ......................................................................................................................... 88
8.1.3 Safety instructions in operation - anti-condensation heating............................................... 90
8.1.4 Safety instructions relating to ventilation............................................................................ 90
8.1.4.1 Safety instruction for forced ventilation (option)................................................................. 90
8.1.4.2 Safety instructions when operating machines with fan ....................................................... 90
8.1.4.3 Machines with fan for the textile industry........................................................................... 90
8.2 Switching on the machine.................................................................................................. 91
8.3 Deactivating ...................................................................................................................... 91
8.4 Switch o󹪜 the separately driven fan.................................................................................... 91
8.5 Switching on again after an EMERGENCY OFF..................................................................... 91
8.6 Stoppages.......................................................................................................................... 91
8.6.1 Avoidance of damage to rolling bearings during stoppages................................................. 93
8.6.2 Decommissioning the machine .......................................................................................... 93
8.6.3 Re-commissioning the machine.......................................................................................... 93
8.7 faults................................................................................................................................. 93
8.7.1 Inspections in the event of faults........................................................................................ 93
8.7.2 Electrical faults .................................................................................................................. 94
8.7.3 Mechanical faults............................................................................................................... 95
8.7.4 Rolling bearing faults ......................................................................................................... 95
8.7.5 Faults at the external fan.................................................................................................... 96
9 Maintenance........................................................................................................................................ 97
9.1 General ............................................................................................................................. 97
9.2 Preparation and notes........................................................................................................ 97
9.2.1 Marking............................................................................................................................. 97
9.2.2 Customs union Eurasia (optional)....................................................................................... 98
9.3 Inspection and maintenance .............................................................................................. 98
9.3.1 Safety instructions for inspection and maintenance ............................................................ 98
Table of contents
1LE5, 1PC4 shaft heights 280 ... 355
6 Operating Instructions, 11/2022, A5E41454666A