Siemens LOHER CHEMSTAR 1PS2 - Page 7

6.2 Connecting.............................................................................................................................55
6.2.1 Terminal boxes with type of protection "Ex e" .......................................................................55
6.2.2 Connecting the grounding conductor.....................................................................................56
6.2.3 Circuit diagram in the terminal box cover...............................................................................56
6.2.4 Terminal designation..............................................................................................................57
6.2.5 Connecting the machine for a specific direction of rotation....................................................57
6.2.6 Terminal box..........................................................................................................................57
6.2.7 Minimum air clearances.........................................................................................................58
6.2.8 Cable ends with wire end sleeves..........................................................................................59
6.2.9 Connection with terminal board..............................................................................................59
6.2.10 Tightening torques for cable glands ......................................................................................60
6.2.11 Connecting aluminum conductors..........................................................................................61
6.2.12 O-ring seal .............................................................................................................................61
6.2.13 Finishing connection work......................................................................................................62
6.2.14 Internal equipotential bonding ...............................................................................................62
7 Start-up.......................................................................................................................................................65
7.1 Checks to be carried out prior to commissioning ..................................................................65
7.2 Insulation resistance and polarization index..........................................................................66
7.3 Testing the insulation resistance and polarization index........................................................67
7.4 Heating in order to reach the required surface temperature..................................................69
7.5 Testing the cooling of the machine........................................................................................70
7.6 Commissioning an external fan..............................................................................................70
7.7 Greasing the roller bearings prior to commissioning..............................................................71
7.8 Test run..................................................................................................................................72
8 Operation....................................................................................................................................................75
8.1 Safety instructions during operation.......................................................................................75
8.2 Current transformer................................................................................................................76
8.3 Explosion hazard during operation.........................................................................................77
8.4 Switching on with the anti-condensation heating active.........................................................77
8.5 Switching on the machine......................................................................................................78
8.6 Switching off the external fan ................................................................................................78
8.7 Switching on again after an emergency switching-off............................................................78
8.8 Stoppages..............................................................................................................................79
8.8.1 Switching on the anti-condensation heater............................................................................79
8.8.2 Avoidance of damage to roller bearings during stoppages....................................................80
8.9 Decommissioning the machine..............................................................................................80
8.10 Re-commissioning the machine.............................................................................................80
8.11 faults.......................................................................................................................................81
8.11.1 Inspections in the event of faults............................................................................................81
8.11.2 Electrical faults.......................................................................................................................81
8.11.3 Mechanical faults...................................................................................................................82
Table of contents
LOHER CHEMSTAR 1PS2
Operating Instructions 08/2016 7