ABB ACS6080 User manual

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SYSTEM DRIVES
ACS6080
User manual
OWNING ORGANIZATION
System Drives, ABB Switzerland Ltd.
DATE
2023-06-14
STATUS
Approved
SECURITY LEVEL
Public
DOCUMENT KIND
User manual
DOCUMENT ID.
3BHS842007 E01
REV.
I
LANG.
en
PAGE
1/211
© Copyright 2018 ABB All rights reserved.

PRODUCT
ACS6080
DOCUMENT KIND
User manual
DOCUMENT ID.
3BHS842007 E01
REV.
I
LANG.
en
PAGE
2/211
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LEGAL DISCLAIMER
This document contains information about one or more ABB products and may include a description of or
a reference to one or more standards that are relevant to the ABB products. The presence of any such
description of a standard or reference to a standard is not a representation that all of the ABB products
referenced in this document include all the features of the described or referenced standard. In order to
determine the specific features included in a particular ABB product, the product specifications for the
particular ABB product apply.
The buyer acknowledges the proprietary and confidential nature of the information contained in this
document and agrees that all rights to and concerning the information contained in this document remain
vested in ABB, in particular with regard to any intellectual property rights. Nothing contained herein shall
oblige ABB to furnish any particular information to the buyer.
The information in this document is subject to change without notice and should not be construed as a
binding declaration of ABB. ABB assumes no responsibility for any errors or omissions in this document.
Products described or referenced in this document are designed to be connected with networks and
provide information and data through network interfaces. The products must be connected to a secure
network. It is the sole responsibility of the buyer of the products to provide and continuously ensure a
secure connection between the product and the system network and/or any other networks that may be
connected to the product. ABB is in no event liable for the security of the network used by buyer.
The buyer of the product must establish and maintain appropriate measures, including, but not limited
to, the installation of firewalls, application of authentication measures, encryption of data, installation of
antivirus programs, and so on, to protect these products, the network, its system, and interfaces against
security breaches, unauthorized access, interference, intrusion, leakage, and/or theft of data or
information. Any liability of ABB in this regard is excluded.
ABB may perform functionality testing on the products and may release updates. However, it is the sole
responsibility of the buyer of the product to ensure that any product updates or other major system
updates (to include but not limited to code changes, configuration file changes, third-party software
updates or patches, hardware change out, and so on) are compatible with the security measures
implemented. The buyer of the product must verify that the system and associated products function as
expected in the environment in which they are deployed. ABB has no obligations in this regard.
In no event shall ABB be liable for any damages inclusive but not limited to indirect, special, incidental or
consequential damages of any nature or kind whatsoever arising from the use of this document, nor shall
ABB be liable for any damages inclusive but not limited to indirect, special, incidental or consequential
damages arising from the use of any software or hardware described in this document.
This document and parts thereof must be kept strictly confidential and must not be reproduced or copied
without the prior written permission from ABB, and the contents thereof must not be disclosed or made
available to any third party nor used for any unauthorized purpose.
The software or hardware described in this document may be furnished under a license and may be used,
copied, or disclosed only in accordance with the terms of such license.
—
TRADEMARKS
ABB is a registered trademark of ASEA BROWN BOVERI LTD.
All rights to copyrights, registered trademarks, and trademarks reside with their respective owners.
Copyright © 2018 ABB.
All rights reserved.

CONTENTS
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CONTENTS
1. About this manual................................................................................................................. 14
1.1. Product overview..............................................................................................................................14
1.1.1. Standard applications.........................................................................................................14
1.2. Equipment covered by this manual .............................................................................................14
1.3. Structure of the user documentation .........................................................................................15
1.4. Terms and abbreviations................................................................................................................15
1.5. Related documents..........................................................................................................................19
1.5.1. Maintenance ..........................................................................................................................19
1.5.2. Technical data ...................................................................................................................... 20
1.5.3. Schematics............................................................................................................................ 20
1.5.4. Specifications and guidelines.......................................................................................... 20
1.5.5. Service.................................................................................................................................... 20
1.5.6. Communication interfaces ................................................................................................ 21
1.5.7. User manuals related to drive units ................................................................................ 21
1.6. Target groups and required qualification.................................................................................. 21
1.6.1. Handling ................................................................................................................................. 21
1.6.2. Mechanical installation ....................................................................................................... 21
1.6.3. Electrical installation ...........................................................................................................22
1.6.4. Operation ...............................................................................................................................22
1.6.5. Maintenance ..........................................................................................................................22
1.7. User’s responsibilities .....................................................................................................................22
1.8. Intended use of equipment ...........................................................................................................22
1.9. Quality certificates and applicable standards ..........................................................................23
1.9.1. Standards...............................................................................................................................23
1.10. Identifying the delivery ...................................................................................................................23
1.11. Tools.................................................................................................................................................... 24
1.12. Document conventions.................................................................................................................. 24
2. Important safety information.............................................................................................25
2.1. Safety messages and safety signs in this document .............................................................25
2.1.1. Safety messages ..................................................................................................................25
2.1.2. Safety signs............................................................................................................................25
2.2. Product safety labels ...................................................................................................................... 26
2.3. Electrical safety................................................................................................................................ 26
2.3.1. General safety instructions............................................................................................... 26
2.3.2. The 7 steps that save lives..................................................................................................27
2.3.3. Possible residual risks........................................................................................................ 29
2.4. Main circuit breaker protection device ...................................................................................... 30
2.4.1. Safety and protection requirements...............................................................................31
2.4.2. Safety and protection requirements for the MCB ....................................................... 31
2.5. Maintenance recommendation.....................................................................................................32
3. Power electronics and cabinet features ............................................................................ 33
3.1. Drive system topology ....................................................................................................................33
3.1.1. Drive.........................................................................................................................................33
3.1.1.1. ACS6080 cabinet units .......................................................................................... 35
3.1.1.2. Final drive configuration ....................................................................................... 35
3.1.2. Motor...................................................................................................................................... 35
3.2. Standard cabinet units .................................................................................................................. 36

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3.2.1. Active rectifier unit (ARU)/inverter unit (INU) .............................................................. 36
3.2.2. Line supply unit (LSU) ........................................................................................................ 38
3.2.3. Capacitor bank unit (CBU) ................................................................................................ 40
3.2.4. Terminal unit (TEU)..............................................................................................................41
3.2.5. Control unit (COU)............................................................................................................... 42
3.2.5.1. Main circuit breaker ................................................................................................ 43
3.2.5.2. Speed and torque control ..................................................................................... 43
3.2.5.3. Peripheral I/O devices............................................................................................ 43
3.2.5.4. Local control panels................................................................................................ 44
3.2.6. Water cooling unit (WCU) .................................................................................................. 45
3.2.6.1. Cooling circuit ...........................................................................................................47
3.2.6.2. External cooling connection..................................................................................47
3.3. Optional cabinet units ................................................................................................................... 48
3.3.1. Input reactor unit (IRU)...................................................................................................... 48
3.3.2. Input filter unit (IFU)........................................................................................................... 49
3.3.3. Voltage limiter unit (VLU) .................................................................................................. 50
3.3.4. Braking units .........................................................................................................................51
3.3.4.1. Braking chopper unit ..............................................................................................52
3.3.4.2. Resistor braking unit.............................................................................................. 53
3.3.5. Excitation unit (EXU)........................................................................................................... 54
3.3.5.1. DCS880/DCT880 control panel........................................................................... 55
3.3.5.2. Output disconnector.............................................................................................. 55
3.3.6. Customer interface unit (CIU).......................................................................................... 56
3.3.6.1. Arc detection with Arc Guard (optional) ............................................................57
3.4. Air cooling...........................................................................................................................................57
3.4.1. Air-to-air heat exchangers .................................................................................................57
3.4.2. Auxiliary fan units................................................................................................................ 58
3.5. Cabinet design ................................................................................................................................. 59
3.6. Door locking system....................................................................................................................... 60
3.7. Arc resistant design ........................................................................................................................ 60
3.7.1. Internal arc classification................................................................................................... 60
3.8. Busbars and grounding ..................................................................................................................61
3.8.1. AC busbars.............................................................................................................................61
3.8.2. DC busbars ............................................................................................................................61
3.8.3. PE busbar ...............................................................................................................................61
3.8.4. PG busbar...............................................................................................................................61
4. Transportation, storage, and disposal ..............................................................................62
4.1. Safety.................................................................................................................................................. 62
4.2. Transport conditions...................................................................................................................... 62
4.3. Unpacking and inspection ............................................................................................................ 62
4.4. Identifying transport units ........................................................................................................... 62
4.4.1. Packing list ............................................................................................................................ 62
4.4.2. Packing label......................................................................................................................... 63
4.5. Lifting and transportation............................................................................................................ 64
4.5.1. Lifting attachment types .................................................................................................. 65
4.5.2. Lifting with lifting plates................................................................................................... 66
4.5.3. Lifting with rotating eyebolts ...........................................................................................67
4.5.4. Reinstalling lifting attachments ...................................................................................... 68
4.5.5. Sling configurations for lift frames and spreader frames........................................ 69
4.6. Storage............................................................................................................................................... 70
4.6.1. Storage conditions ............................................................................................................. 70

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4.6.2. Storing the drive.................................................................................................................. 70
4.6.3. Storage and handling of spare parts.............................................................................. 71
4.6.3.1. Warranty information.............................................................................................. 71
4.7. Disposing package materials and components ...................................................................... 71
5. Mechanical installation ........................................................................................................ 72
5.1. Safety...................................................................................................................................................72
5.2. Overview .............................................................................................................................................72
5.3. General notes on installation ........................................................................................................72
5.3.1. Dimensions and clearances...............................................................................................72
5.3.2. Access to the cabinets ........................................................................................................72
5.3.3. Cabinet roof...........................................................................................................................73
5.3.4. Fire protection ......................................................................................................................73
5.3.5. Cable duct material .............................................................................................................73
5.3.6. Installation material.............................................................................................................73
5.3.7. Tools ........................................................................................................................................73
5.3.8. Floor preparation .................................................................................................................73
5.3.9. Floor fixation .........................................................................................................................73
5.3.10. Raw water circuit ..................................................................................................................73
5.4. Aligning transport units .................................................................................................................74
5.5. Joining transport units ...................................................................................................................76
5.6. Joining water pipes..........................................................................................................................77
5.6.1. Removing a pipe joint .........................................................................................................79
5.7. Joining busbars ................................................................................................................................79
5.7.1. DC busbars ........................................................................................................................... 80
5.7.2. Ground busbars................................................................................................................... 82
5.7.3. AC busbars between COU/TEU and LSU (5/7/9 MVA).............................................. 83
5.7.4. AC busbars between COU/TEU and LSU (14 MVA)..................................................... 84
5.7.5. AC busbars between COU/TEU and ARU/INU ............................................................ 85
5.7.6. AC busbar joints - without disconnector...................................................................... 85
5.7.7. AC busbar joints - with motorized disconnector........................................................ 86
5.8. Installing and removing air-to-air heat exchangers ............................................................... 88
5.8.1. Installing air-to-air heat exchangers .............................................................................. 88
5.8.1.1. Installation ................................................................................................................ 89
5.8.2. Removing air-to-air heat exchangers............................................................................. 94
5.8.2.1. Removing an air-to-air heat exchanger............................................................. 95
5.8.2.2. Reinstalling an air-to-air heat exchanger.......................................................... 96
5.8.3. Installing the transformers of air-to-air heat exchangers .........................................97
5.9. Installing the pressure relief vents .............................................................................................. 98
5.10. Attaching the sealing tapes........................................................................................................ 100
5.11. Installing the roof joints and the roof attachments.............................................................. 101
5.11.1. Installing roof joints........................................................................................................... 101
5.11.2. Installing roof attachments.............................................................................................102
6. Electrical installation .........................................................................................................104
6.1. Safety................................................................................................................................................ 104
6.2. Cable requirements .......................................................................................................................105
6.2.1. Power cables........................................................................................................................105
6.2.2. Auxiliary and control cables.............................................................................................105
6.2.3. Synchronization cables .....................................................................................................105
6.3. Grounding the drive system ....................................................................................................... 106
6.3.1. Grounding diagrams ........................................................................................................ 106
6.3.2. Ground cable connection .................................................................................................107

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6.3.3. Cable shield ground connection ....................................................................................107
6.3.4. EXU cabinet ground connections ................................................................................. 108
6.4. Internal wiring ................................................................................................................................ 109
6.4.1. Optical fiber cables........................................................................................................... 109
6.4.1.1. Installing the standard optical fibers............................................................... 109
6.4.2. Optical fiber cables for the optional Arc Guard System™ ....................................... 110
6.4.2.1. Connecting the detector cables to the arc monitor device .........................111
6.5. Cable entry systems ...................................................................................................................... 112
6.5.1. Frames with type 1 sealing modules............................................................................. 113
6.5.2. Frame with type 2 sealing modules............................................................................... 115
6.5.3. Plates with cable glands................................................................................................... 115
6.5.4. EMC plates with sealing grommets .............................................................................. 116
6.6. Preparing cable entry systems for TEU, ARU and EXU cabinets .........................................117
6.6.1. TEU cable entry frames with type 1 sealing modules................................................117
6.6.2. ARU cable entry frames with type 1 sealing modules............................................... 118
6.6.3. EXU cable entry with EMC plate and sealing grommets ......................................... 119
6.7. Power, ground and equipotential bonding conductor cables............................................120
6.7.1. Determining the cable length .........................................................................................120
6.7.2. Preparing cables for sealing modules .......................................................................... 121
6.7.3. Preparing cables for cable glands .................................................................................122
6.7.4. Preparing cables for EMC plates....................................................................................123
6.7.5. Connecting the cables ......................................................................................................124
6.7.5.1. Checking the cable insulation.............................................................................125
6.7.5.2. EXU cabinet connections .....................................................................................125
6.7.5.3. Bolted busbar connections – marine drives ...................................................126
6.7.5.4. Bolted busbar connections in non-marine drives .........................................126
6.8. Auxiliary power, control and serial communication cables .................................................127
6.8.1. Determining the cable length ......................................................................................... 127
6.8.2. Preparing cables for sealing modules ..........................................................................128
6.8.3. Preparing cables for cable glands .................................................................................129
6.8.4. Preparing cables for EMC plates................................................................................... 130
6.8.5. Routing cables in a WCU.................................................................................................. 130
6.8.6. Routing cables in a COU cabinet.................................................................................... 131
6.8.6.1. Connecting the cables ..........................................................................................132
6.8.7. Routing cables in an EXU cabinet ..................................................................................133
6.8.7.1. Auxiliary power and control cables....................................................................133
6.8.7.2. Optical fiber cables................................................................................................135
6.8.7.3. Routing optical fiber cables in an EXU cabinet with an ED5V, EB5R,
EB5S, EB7P and EB7Q type DCS880/DCT880 converter .............................135
6.8.7.4. Routing cables in an EXU cabinet with an ED7Y type
DCS880/DCT880 converter.................................................................................137
6.9. Connecting the heating cable .....................................................................................................138
6.10. Final checks......................................................................................................................................139
7. Commissioning ...................................................................................................................140
7.1. Required qualification.................................................................................................................. 140
7.2. Commissioning procedure ......................................................................................................... 140
7.3. Commissioning checklist ............................................................................................................ 140
7.4. Customer assistance.................................................................................................................... 140
7.5. Customer acceptance .................................................................................................................. 140
7.6. Commissioning checklists ........................................................................................................... 141
7.6.1. Mechanical installation checklist.................................................................................... 141

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7.6.2. Electrical installation checklist........................................................................................ 141
7.6.3. Main circuit breaker (MCB) checklist.............................................................................142
7.6.4. Input transformer checklist.............................................................................................142
7.6.5. Motor checklist ...................................................................................................................142
7.6.6. Insulation tests checklist..................................................................................................142
7.6.7. Power checklist ...................................................................................................................143
7.6.8. Water Cooling unit checklist............................................................................................143
7.6.9. Miscellaneous checklist ....................................................................................................143
8. Operation.............................................................................................................................144
8.1. Overview .......................................................................................................................................... 144
8.2. Operating conditions ................................................................................................................... 144
8.3. Safety................................................................................................................................................ 144
8.4. Control panels .................................................................................................................................145
8.4.1. Navigating the home view .............................................................................................. 146
8.4.2. Control panels for drives with an ARU ..........................................................................147
8.4.3. Control panels for drives with an LSU.......................................................................... 148
8.4.4. EXU control panel .............................................................................................................. 149
8.4.4.1. Operational settings ............................................................................................ 149
8.4.4.2. Resetting alarm and fault messages ............................................................... 150
8.4.4.3. Parameter settings ............................................................................................... 150
8.5. Lamp test ........................................................................................................................................ 150
8.6. Grounding switch and door locking system ........................................................................... 151
8.6.1. Lamp test ............................................................................................................................. 151
8.6.2. Door locking system..........................................................................................................152
8.7. Optional switchgear and controlgear.......................................................................................153
8.7.1. DC-link disconnector.........................................................................................................153
8.7.2. Output switches.................................................................................................................153
8.7.3. Manual output isolation ...................................................................................................153
8.8. Status messages ............................................................................................................................154
8.8.1. Start sequence of the drive .............................................................................................155
8.8.2. Stop sequence of the drive..............................................................................................156
8.8.3. Emergency-off sequence .................................................................................................156
8.8.4. Prevention of unexpected startup sequence..............................................................157
8.9. Starting the drive............................................................................................................................157
8.9.1. Checks before starting the drive....................................................................................158
8.9.2. Starting the drive remotely..............................................................................................158
8.9.3. Starting the drive locally...................................................................................................158
8.10. Stopping the drive..........................................................................................................................159
8.10.1. Stopping the drive locally.................................................................................................159
8.10.2. Stopping the drive in an emergency .............................................................................159
8.10.2.1. Starting the drive system after an emergency-off....................................... 160
8.11. Arc detection with the Arc Guard System™ (optional) ........................................................ 160
8.11.1. Action after the Arc Guard System™ has been triggered........................................ 161
9. Preventive and corrective maintenance........................................................................... 162
9.1. General information.......................................................................................................................162
9.1.1. Required qualification.......................................................................................................162
9.1.2. Maintenance schedule ......................................................................................................162
9.1.3. Logbook................................................................................................................................162
9.1.4. Spare parts...........................................................................................................................162
9.2. Identifying electrical equipment ................................................................................................163
9.2.1. Device designation ............................................................................................................163

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9.2.2. Cables and wires ................................................................................................................163
9.2.2.1. Understanding wiring diagrams........................................................................163
9.3. Status indicators ............................................................................................................................164
9.3.1. Alarm / fault indications...................................................................................................164
9.3.2. Error message levels..........................................................................................................164
9.3.2.1. Alarm and fault messages ...................................................................................165
9.3.2.2. Fault handling .........................................................................................................165
9.3.2.3. Standard troubleshooting procedure...............................................................165
9.3.3. LEDs and switches on PCBs and I/O modules...........................................................166
9.3.3.1. UCU-26 control unit ...............................................................................................166
9.3.3.2. S500 I/O modules..................................................................................................167
9.3.3.3. Serial communication interfaces .......................................................................167
9.3.3.4. LEDs on optional heat exchangers....................................................................168
9.4. Maintenance tasks .........................................................................................................................169
9.4.1. Safety.....................................................................................................................................169
9.4.2. De-energizing and grounding the drive .......................................................................169
9.4.3. Grounding the drive when the grounding switch is not released..........................171
9.4.4. Unlocking and opening the doors ................................................................................. 172
9.4.5. Closing and locking the doors ........................................................................................ 173
9.4.6. Testing the white lamp ..................................................................................................... 174
9.4.7. Emergency release of a door safety switch ................................................................ 174
9.4.7.1. Location of safety switches................................................................................. 174
9.4.7.2. Safety-switch settings.......................................................................................... 175
9.4.7.3. Unlocking a safety switch .................................................................................... 176
9.4.8. Connecting a grounding set............................................................................................ 177
9.4.8.1. Drives with an LSU................................................................................................. 178
9.4.8.2. Drives with an ARU................................................................................................. 179
9.4.9. Drives with the manual output isolation (optional) ................................................. 180
9.4.9.1. Removing the busbar connectors ..................................................................... 181
9.4.9.2. Fitting the busbar connectors............................................................................185
9.4.10. Removing and installing a phase module................................................................... 186
9.4.10.1. Removing a phase module ................................................................................. 186
9.4.10.2. Installing a phase module................................................................................... 188
9.4.11. Visual checks on the drive............................................................................................... 189
9.4.12. Cleaning............................................................................................................................... 189
9.4.12.1. Cleaning the drive cabinet.................................................................................. 189
9.4.13. Checking wire and cable connections ......................................................................... 190
9.4.14. Checking and replacing filter mats............................................................................... 190
9.4.14.1. Replacing a filter mat............................................................................................ 191
9.4.15. Testing and replacing auxiliary fan units ..................................................................... 191
9.4.15.1. Testing auxiliary fan units....................................................................................192
9.4.15.2. Replacing auxiliary fan units................................................................................193
9.4.16. Testing and replacing air-to-air heat exchangers......................................................194
9.4.16.1. Testing the fan units .............................................................................................195
9.4.16.2. Replacing the complete heat exchanger..........................................................196
9.4.16.3. Replacing the circuit board .................................................................................196
9.4.16.4. Replacing internal fan 1 - left side......................................................................198
9.4.16.5. Replacing internal fan 2 - right side..................................................................200
9.4.16.6. Replacing the ambient fans................................................................................ 203
9.4.17. Replacing the fan unit in an EXU with a DCS880 H4/DCT880 T4 unit................204
9.4.18. Replacing the fan unit in an EXU with a DCS880 H6 unit .......................................206
9.4.19. Replacing the air-to-water heat exchanger of the EXU...........................................209

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FIGURES
Fig. 1. Product warning label examples (label placement depends on the
drive) ........................................................................................................................26
Fig. 2. Drive system overview ........................................................................................... 30
Fig. 3. MCB opening timing diagram ............................................................................... 31
Fig. 4. Common DC-bus principle for (A) single motor drive and (B)
multi-motor drive ................................................................................................... 33
Fig. 5. ACS6080 drive example ........................................................................................ 34
Fig. 6. ARU/INU block diagram ........................................................................................ 36
Fig. 7. ARU/INU circuit diagram ...................................................................................... 36
Fig. 8. (A) ARU/INU and (B) phase module with IGCTs .................................................. 37
Fig. 9. LSU block diagram ................................................................................................ 38
Fig. 10. LSU (12-pulse) circuit diagram ............................................................................. 38
Fig. 11. LSU (12-pulse) ........................................................................................................ 39
Fig. 12. CBU .......................................................................................................................... 40
Fig. 13. TEU (1000 mm) ....................................................................................................... 41
Fig. 14. Master COU (1000 mm) and control equipment ................................................ 42
Fig. 15. Location of (1) control panels on master (A) COU and (B)
follower COU .......................................................................................................... 44
Fig. 16. (A) WCU1400 and (B) WCU800 cabinet and system components .................... 46
Fig. 17. Cooling circuit in an ACS6080 drive ..................................................................... 47
Fig. 18. (A) IRU cabinet and (B) circuit diagram .............................................................. 48
Fig. 19. (A) IFU cabinet and (B) circuit diagram .............................................................. 49
Fig. 20. (A) VLU cabinet and (B) circuit diagram ............................................................. 50
Fig. 21. (A) BCU cabinet and (B) circuit diagram .............................................................. 52
Fig. 22. (A) RBU cabinet and (B) circuit diagram ............................................................. 53
Fig. 23. (A) EXU H4/T4 frame cabinet and (B) EXU H6 frame cabinet .......................... 54
Fig. 24. (A) CIU cabinet and (B) WCU800 cabinet ............................................................ 56
Fig. 25. ACS6080 example drive with air-to-air heat exchanger ..................................... 57
Fig. 26. Auxiliary fan unit .................................................................................................... 58
Fig. 27. Air circulation through ventilation grids in (A) 600 mm COU, (B)
1000 mm COU, and (C) WCU800 .......................................................................... 58
Fig. 28. Basic cabinet design ............................................................................................. 59
Fig. 29. IAC label example ................................................................................................... 60
Fig. 30. Busbars .................................................................................................................... 61
Fig. 31. Lifting attachment types ...................................................................................... 65
Fig. 32. Torque wrench socket for rotating eyebolt (not included in delivery) ............ 68
Fig. 33. (A) Lift frame and (B) lift spreader ...................................................................... 69
Fig. 34. Connection point locations on transport units ................................................. 76
Fig. 35. Minimum distances and locking bolt orientation (A = front) ........................... 78

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Fig. 36. Bolted busbar connection .................................................................................... 79
Fig. 37. Top view of DC busbar configuration 1 ............................................................... 80
Fig. 38. Top view (A) DC busbar configuration 2, (B) configuration 3, and
(C) configuration 4 ................................................................................................. 81
Fig. 39. Ground busbar joints ............................................................................................ 82
Fig. 40. AC busbar joints between the COU/TEU and LSU (5/7/9 MVA) ....................... 83
Fig. 41. AC busbar joints between the COU/TEU and LSU (14 MVA). ............................ 84
Fig. 42. Air-to-air heat exchanger (type LT-5-5165-UL) ................................................... 88
Fig. 43. Tools for installing an air-to-air heat exchanger ............................................... 88
Fig. 44. Correct and incorrect cable installation ............................................................. 90
Fig. 45. M8 rotating eyebolt and heat exchanger with mounted rotating
eyebolts ................................................................................................................... 91
Fig. 46. ARU/INU/IFU cable routing .................................................................................. 92
Fig. 47. LSU cable routing .................................................................................................. 92
Fig. 48. Air-to-air heat exchangers (type LT-5-5165-UL) ................................................. 94
Fig. 49. Tools for removing an air-to-air heat exchanger ............................................... 94
Fig. 50. Installation example of transformers in an air-to-air heat exchanger ............. 97
Fig. 51. Connect wires to terminal block .......................................................................... 98
Fig. 52. Pressure relief vents .............................................................................................. 98
Fig. 54. Installation example of pressure relief vents ..................................................... 99
Fig. 53. Tools required to fasten the pressure relief vent to the roof ........................... 99
Fig. 55. Attach sealing tape to the joining crossbar (1) ................................................ 100
Fig. 56. Roof joints (1) ........................................................................................................ 101
Fig. 57. Roof attachment parts ......................................................................................... 102
Fig. 58. Recommended ceiling and wall fixings .............................................................. 103
Fig. 59. Phase module on lift table ................................................................................... 104
Fig. 60. Grounding the (A) input side and (B) output side of the drive
system ....................................................................................................................106
Fig. 61. System (1) ground connection in a 600 mm TEU .............................................. 107
Fig. 62. Grounding the EXU ............................................................................................... 108
Fig. 63. Cable tray and cable ducts in an LSU (A = front) .............................................. 109
Fig. 64. Arc Guard System™ in an optional roof extension box (REB) .......................... 110
Fig. 65. Location of Arc Guard sensors in a TEU .............................................................. 111
Fig. 66. Cable tray and cable ducts in an LSU (A = front) ............................................... 111
Fig. 67. Cable entry with type 1 sealing modules ........................................................... 113
Fig. 68. Cable entry frame with type 1 sealing modules ................................................ 114
Fig. 69. Cable entry with sealing modules – type 2 ........................................................ 115
Fig. 70. Cable gland ............................................................................................................ 115
Fig. 71. Cable entry with EMC plates ............................................................................... 116
Fig. 72. TEU 1000 mm cabinet (A = back) with (1) top and (2) bottom
cable entries ........................................................................................................... 117