Siemens 1LA8 Operating Instructions

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 Aligning the machine to the driven machine and attaching it to it (IM B3 / IM B35)...............54
5.3.5 Aligning the machine to the driven machine and attaching it to it (IM B5).............................56
5.3.6 Aligning the machine to the driven machine and attaching it to it (IM V1, IM V10)................56
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
Table of contents
SIMOTICS TN Series N-compact 1LA8
6 Operating Instructions 05/2016

Siemens 1LA8 Specifications

General

Brand	Siemens
Model	1LA8
Category	Engine
Language	English