hager HR551 - Table of Contents

Contents
1 Introduction.................................................................. 4
1.1 Document content................................................................................................................4
1.2 Target group......................................................................................................................... 4
1.3 Symbols used........................................................................................................................5
2 Safety instructions.......................................................6
3 Scope of delivery.........................................................7
4 Design and layout of the device................................ 8
5 Function........................................................................ 9
5.1 Residual current relays HR551........................................................................................... 9
5.1.1 Correct use.............................................................................................................................9
5.1.2 Functional description............................................................................................................ 9
5.1.3 Product characteristics.......................................................................................................... 9
5.2 Toroidal transformer HR72x................................................................................................9
5.2.1 Correct use.............................................................................................................................9
5.2.2 Functional description............................................................................................................ 9
5.2.3 Description of LEDs for HR72x........................................................................................... 10
6 Information for qualified electricians.......................11
6.1 Assembly and electrical connection................................................................................ 11
6.1.1 Assembly of HR72x..............................................................................................................11
6.1.2 Assembly of HR55x..............................................................................................................14
7 Operation.................................................................... 16
7.1 Status LEDs........................................................................................................................ 16
7.2 Buttons................................................................................................................................ 16
7.3 Display................................................................................................................................. 16
7.3.1 LCD screen description....................................................................................................... 17
7.3.2 Digital output........................................................................................................................ 17
7.3.3 Relay..................................................................................................................................... 18
7.3.4 Digital input.......................................................................................................................... 18
7.3.5 Start screen.......................................................................................................................... 18
7.3.6 Problems or changes in the installation.............................................................................. 18
7.3.7 Channel display screen........................................................................................................19
7.3.8 Screen when the relay trips.................................................................................................20
7.3.9 Lock menu............................................................................................................................21
7.3.10 Event menu.......................................................................................................................... 22
2 Residual current-relays