
Table of contents
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 06/2020, A5E44455710A
5
Flatness of the supporting surfaces for conventional motors .............................................. 62
Machine frame mounting feet (special design) ................................................................... 62
Installing the machine ........................................................................................................ 63
Preconditions for smooth, vibration-free operation ............................................................. 63
Aligning the machine to the driven machine and mounting ................................................. 63
Horizontal types of construction with mounting feet ............................................................ 63
Horizontal types of construction with flange ....................................................................... 64
Vertical types of construction with flange ........................................................................... 64
Removing the rotor shipping brace .................................................................................... 65
Recommended alignment accuracy ................................................................................... 65
Mounting the drive output elements ................................................................................... 66
Electrical connection .................................................................................................................... 69
6.1
Connecting the machine .................................................................................................... 70
Terminal box ..................................................................................................................... 71
Circuit diagram inside the terminal box cover ..................................................................... 72
Direction of rotation ........................................................................................................... 72
Terminal marking............................................................................................................... 73
Additional bores in the terminal box ................................................................................... 73
Cable entry ........................................................................................................................ 73
Protruding connection cables ............................................................................................. 74
Connecting protruding cables ............................................................................................ 74
Connection with/without cable lugs .................................................................................... 74
Thread sizes in the terminal box ........................................................................................ 75
Minimum air clearances ..................................................................................................... 76
Internal equipotential bonding ............................................................................................ 76
Cable glands ..................................................................................................................... 76
Mounting position of sheet metal nuts in screw-type connections ....................................... 77
Tightening torques ............................................................................................................. 78
Cable entries, sealing plugs and thread adapters ............................................................... 78
Connecting the grounding conductor ................................................................................. 78
Minimum surface area of grounding conductor................................................................... 78
Grounding connection type ................................................................................................ 79
Connecting a temperature sensor / anti-condensation heating ........................................... 80
Connecting optional integrated devices and equipment ...................................................... 80
Conductor connection ........................................................................................................ 81
Cable ends with wire end sleeves ...................................................................................... 84
Connecting aluminum conductors ...................................................................................... 84
Connecting the converter ................................................................................................... 85
Final checks ...................................................................................................................... 87
Commissioning ........................................................................................................................... 89
7.1
Measures before commissioning ....................................................................................... 89
Insulation resistance and polarization index ....................................................................... 91
Testing the cooling of the machine .................................................................................... 91
Commissioning an external fan .......................................................................................... 92
Further documents ............................................................................................................ 93
Setpoint values for monitoring the bearing temperature ..................................................... 93