ABB ATS021 - Default Chapter; Table of Contents

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1SDH000759R0002, L4106
Installation and operating instructions, ATS021Contents
Contents
1. Introduction ....................................................................................................................... 4
1.1 Use of symbols .............................................................................................................................4
1.2 Standards ..................................................................................................................................... 4
1.3 Safety notes ..................................................................................................................................5
1.4 Explanations of abbreviations and terms .....................................................................................6
2. Product overview .............................................................................................................. 7
2.1 Typical applications ......................................................................................................................7
2.2 Functions of automatic transfer switch ATS021 ..........................................................................8
3. Description ..................................................................................................................... 10
3.1 Application scenarios .................................................................................................................10
3.1.1 Automatic functions ....................................................................................................................10
3.1.2 Manual functions ........................................................................................................................ 11
3.1.3 Test sequence .............................................................................................................................11
3.1.4 Missing of both lines ...................................................................................................................12
3.1.5 Logic Enable/Disable input .........................................................................................................12
3.2 Parameter settings ......................................................................................................................12
4. Operating ......................................................................................................................... 13
4.1 Automatic transfer switch ATS021 in Manual Mode ...................................................................13
4.2 Automatic transfer switch ATS021 in Automatic Mode ..............................................................15
4.3 Selection of delay time and voltage threshold ............................................................................15
4.4 TEST sequence ...........................................................................................................................16
5. Installation ...................................................................................................................... 17
5.1 Parameter settings in automatic transfer switch ATS021 ...............................................................17
5.1.1 Parameter settings by DIP switches ...........................................................................................18
5.2 Mounting the automatic transfer switch ATS021 ........................................................................20
5.2.1 Automatic transfer switch ATS021, door mounting ....................................................................20
5.2.2 Automatic transfer switch ATS021, DIN-rail mounting ............................................................... 21
6. Connecting .................................................................................................................... 22
6.1 Power circuit ............................................................................................................................22
6.2 Control circuit .............................................................................................................................23
6.2.1 Control circuit of the automatic transfer switch ATS021 ............................................................ 24
7. Using automatic transfer switch ATS021 ..................................................................... 26
7.1 Interface ......................................................................................................................................26
7.2 Confi guration ............................................................................................................................. 26
7.2.1 Rotary Switches ..........................................................................................................................26
7.2.2 Keypad ........................................................................................................................................27
7.2.3 LEDs ...........................................................................................................................................28
7.2.4 External transformer ...................................................................................................................29
7.3 TEST sequence ...........................................................................................................................30
8. Technical data of the automatic transfer switch ATS021 ............................................ 31
9. Troubleshooting .............................................................................................................. 32
9.1 Explanations of internal faults ATS021 .......................................................................................32