Table of contents
5
5.4.3 Flatness of the supporting surfaces for conventional motors .............................................. 62
5.4.4 Machine frame mounting feet (special design) ................................................................... 62
5.5 Installing the machine........................................................................................................ 63
5.5.1 Preconditions for smooth, vibration-free operation ............................................................. 63
5.5.2 Aligning the machine to the driven machine and mounting................................................. 63
5.5.2.1 Horizontal types of construction with mounting feet............................................................ 63
5.5.2.2 Horizontal types of construction with flange ....................................................................... 64
5.5.2.3 Vertical types of construction with flange ........................................................................... 64
5.5.3 Removing the rotor shipping brace .................................................................................... 65
5.5.4 Recommended alignment accuracy ................................................................................... 65
5.5.5 Mounting the drive output elements ................................................................................... 66
6 Electrical connection.................................................................................................................... 69
6.1 Connecting the machine.................................................................................................... 70
6.1.1 Terminal box ..................................................................................................................... 71
6.1.1.1 Circuit diagram inside the terminal box cover..................................................................... 72
6.1.1.2 Direction of rotation ........................................................................................................... 72
6.1.1.3 Terminal marking............................................................................................................... 73
6.1.1.4 Additional bores in the terminal box ................................................................................... 73
6.1.1.5 Cable entry........................................................................................................................ 73
6.1.1.6 Protruding connection cables............................................................................................. 74
6.1.1.7 Connecting protruding cables ............................................................................................ 74
6.1.1.8 Connection with/without cable lugs .................................................................................... 74
6.1.1.9 Thread sizes in the terminal box ........................................................................................ 75
6.1.1.10 Minimum air clearances..................................................................................................... 76
6.1.1.11 Internal equipotential bonding............................................................................................ 76
6.1.2 Cable glands ..................................................................................................................... 76
6.1.2.1 Mounting position of sheet metal nuts in screw-type connections....................................... 77
6.2 Tightening torques............................................................................................................. 78
6.2.1 Cable entries, sealing plugs and thread adapters............................................................... 78
6.3 Connecting the grounding conductor ................................................................................. 78
6.3.1 Minimum surface area of grounding conductor................................................................... 78
6.3.2 Grounding connection type................................................................................................ 79
6.4 Connecting a temperature sensor / anti-condensation heating ........................................... 80
6.4.1 Connecting optional integrated devices and equipment...................................................... 80
6.5 Conductor connection........................................................................................................ 81
6.5.1 Cable ends with wire end sleeves...................................................................................... 84
6.5.2 Connecting aluminum conductors...................................................................................... 84
6.6 Connecting the converter................................................................................................... 85
6.7 Final checks ...................................................................................................................... 87
7 Commissioning ........................................................................................................................... 89
7.1 Measures before commissioning ....................................................................................... 89
7.1.1 Insulation resistance and polarization index ....................................................................... 91
7.1.2 Testing the cooling of the machine .................................................................................... 91
7.1.3 Commissioning an external fan.......................................................................................... 92
7.1.4 Further documents ............................................................................................................ 93
7.2 Setpoint values for monitoring the bearing temperature ..................................................... 93
