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Siemens 1LA8 Operating Instructions Manual Page 6

Simotics tn series induction motor.
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Table of contents
4.12.6
Storage...................................................................................................................................34
4.12.7
Protection against corrosion...................................................................................................36
4.13
Converter operation...............................................................................................................37
4.13.1
Supply line configuration........................................................................................................37
4.13.2
Reducing bearing currents.....................................................................................................37
4.13.3
Insulated bearings when operating the converter..................................................................39
5
Assembly....................................................................................................................................................41
5.1
Preparations for installation....................................................................................................41
5.1.1
Requirements for installation..................................................................................................41
5.1.2
Insulation resistance and polarization index..........................................................................42
5.1.3
Testing the insulation resistance and polarization index........................................................42
5.1.4
Preparing the mating faces....................................................................................................45
5.2
Lift the machine to where it will be installed, and position it...................................................45
5.2.1
Preconditions for correct alignment and secure attachment .................................................45
5.2.2
Checking the load handling attachments...............................................................................46
5.2.3
Removing the rotor shipping brace........................................................................................46
5.2.4
Removing anti-corrosion protection.......................................................................................47
5.2.5
Mounting the output elements................................................................................................48
5.2.6
Lifting and transporting the machine......................................................................................49
5.2.7
Draining condensation...........................................................................................................51
5.2.8
Putting the machine down......................................................................................................52
5.2.9
Roughly aligning the machine................................................................................................52
5.3
Installing the machine............................................................................................................53
5.3.1
Safety instructions for installation...........................................................................................53
5.3.2
Selecting fixing screws...........................................................................................................53
5.3.3
Preconditions for smooth, vibration-free operation................................................................54
5.3.4
5.3.5
5.3.6
5.3.7
Axial and radial forces ...........................................................................................................57
6
Electrical connection...................................................................................................................................59
6.1
Safety instructions relating to the electrical connection.........................................................59
6.2
Terminal box..........................................................................................................................59
6.2.1
Terminal box GT640..............................................................................................................60
6.2.2
Terminal box 1XB1621...........................................................................................................60
6.2.3
Terminal box 1XB1631...........................................................................................................61
6.2.4
Terminal box 1XB1634...........................................................................................................62
6.2.5
Terminal box 1XB9600...........................................................................................................63
6.3
Preparation.............................................................................................................................63
6.3.1
Checking winding connections...............................................................................................63
6.3.2
Terminal designation..............................................................................................................64
6.3.3
Selecting cables.....................................................................................................................64
6.3.4
Connecting the grounding conductor.....................................................................................64
6.3.5
Radio-frequency grounding for converter operation...............................................................65
6.3.6
Connection without terminal box............................................................................................66
6.3.7
Connecting the machine for a specific direction of rotation....................................................67
6.4
Connection.............................................................................................................................67
6
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2016

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