
Doc.-ID: 220518-PT20BAU-SS-Ex Installation Manual rev.01.docx, Page 2 of 24
Table of contents
1Introduction ..............................................................................................................4
2Technical data ..........................................................................................................4
2.1 Characteristic values for explosion protection.....................................................4
2.1.1 Optional marking........................................................................................................................4
2.1.2 Standard basis and certificate ...................................................................................................5
2.2 Electrical parameters...........................................................................................6
2.2.1 Voltage supply: ..........................................................................................................................6
2.2.2 Performance, temperatures and temperature classes ..............................................................6
3General safety instructions and special conditions..............................................8
4Area of application...................................................................................................9
5Transportation and storage...................................................................................10
6Commissioning ......................................................................................................11
6.1 Installation.........................................................................................................11
6.1.1 Types from T20-VA1.1 to VA2.2..............................................................................................11
6.1.2 Type T20-VA2.3.......................................................................................................................12
6.1.3 Type T20-VA4.x.......................................................................................................................13
6.2 Opening and closing the housing......................................................................13
6.2.1 Type T20-VAx.x.x.x .................................................................................................................13
6.3 Electrical connection and commissioning..........................................................16
6.4 Supplementary elements (suitable cables & cable glands)...............................17
7Troubleshooting.....................................................................................................18
8Maintenance/ Modification.....................................................................................19
9Repair......................................................................................................................19
10 Disposal/ Recycling............................................................................................19
11 Drawings..............................................................................................................19
12 Certificates ..........................................................................................................20
12.1 EU - Declaration of Conformity..........................................................................20
12.2 EU Type Examination Certificate (ATEX)..........................................................21
12.3 IECEx Certificate of Conformity:........................................................................21
12.4 Other certificates...............................................................................................21