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Siemens 1LA8 Operating Instructions Manual Page 6

Simotics tn series n-compact induction motor.
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Table of contents
4.12
Converter operation.....................................................................................................................39
4.12.1
Converter operation of explosion-proof machines.......................................................................39
4.12.2
Reducing bearing currents..........................................................................................................40
4.12.3
Insulated bearings when operating the converter.......................................................................41
5
Assembly....................................................................................................................................................43
5.1
Preparations for installation.........................................................................................................43
5.1.1
Requirements for installation.......................................................................................................43
5.1.2
Insulation resistance and polarization index................................................................................44
5.1.3
Testing the insulation resistance and polarization index.............................................................45
5.1.4
Preparing the mating faces.........................................................................................................47
5.2
Lift the machine to where it will be installed, and position it........................................................48
5.2.1
Preconditions for correct alignment and secure attachment ......................................................48
5.2.2
Checking the load handling attachments....................................................................................48
5.2.3
Removing the rotor shipping brace.............................................................................................48
5.2.4
Removing anti-corrosion protection.............................................................................................49
5.2.5
Mounting the output elements.....................................................................................................50
5.2.6
Lifting and transporting the machine...........................................................................................51
5.2.7
Putting the machine down...........................................................................................................53
5.2.8
Draining condensation.................................................................................................................53
5.2.9
Roughly aligning the machine.....................................................................................................54
5.3
Installing the machine..................................................................................................................55
5.3.1
Safety instructions for installation................................................................................................55
5.3.2
Selecting fixing screws................................................................................................................56
5.3.3
Preconditions for smooth, vibration-free operation......................................................................56
5.3.4
Aligning the machine to the driven machine and attaching it to it (IM B3 / IM B35)....................56
5.3.5
Aligning the machine to the driven machine and attaching it to it (IM B5)..................................58
5.3.6
Aligning the machine to the driven machine and attaching it to it (IM V1, IM V10).....................58
5.3.7
Axial and radial forces ................................................................................................................59
6
Electrical connection...................................................................................................................................61
6.1
Safety instructions relating to the electrical connection...............................................................61
6.2
Terminal box................................................................................................................................61
6.2.1
Terminal box 1XB1621................................................................................................................62
6.2.2
Terminal box 1XB1631................................................................................................................63
6.2.3
Terminal box 1XB1634................................................................................................................64
6.3
Preparation..................................................................................................................................64
6.3.1
Checking winding connections....................................................................................................64
6.3.2
Terminal designation...................................................................................................................65
6.3.3
Selecting cables..........................................................................................................................65
6.3.4
Connecting the grounding conductor..........................................................................................66
6.3.5
Radio-frequency grounding for converter operation....................................................................67
6.3.6
Connection without terminal box.................................................................................................67
6.3.7
Connecting the machine for a specific direction of rotation.........................................................68
6.4
Connection..................................................................................................................................68
6.4.1
Bringing cables into the terminal box 1XB16.. and routing them with gable gland.....................69
6.4.2
Bringing cables into the terminal box 1XB.. and routing them with onion sealing ring................70
6.4.3
Connecting cables with cable lugs..............................................................................................71
6.4.4
Connection without cable lugs.....................................................................................................72
6
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2014

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