4
RECmax Lpd
Instruction Manual
CONTENTS
SAFETY PRECAUTIONS .........................................................................................................................................................3
DISCLAIMER..........................................................................................................................................................................3
CONTENTS.............................................................................................................................................................................4
REVISION LOG .......................................................................................................................................................................5
SYMBOLS...............................................................................................................................................................................5
1. VERIFICATIONS UPON RECEPTION..................................................................................................................................6
2. DESCRIPTION OF THE PRODUCT.....................................................................................................................................6
3. INSTALLING THE DEVICE.................................................................................................................................................7
3.1.- PRELIMINARY RECOMMENDATIONS........................................................................................................................7
3.2.- INSTALLATION ........................................................................................................................................................ 8
3.2.1.- MEASUREMENT OF THE EARTH LEAKAGE CURRENT I................................................................................. 8
3.3.-TERMINALS OF THE DEVICE....................................................................................................................................9
3.4.- CONNECTION DIAGRAMS.......................................................................................................................................10
3.4.1.- MEASUREMENT OF SINGLEPHASE NETWORK: RECmax Lpd 2POLE .........................................................10
3.4.2.- MEASUREMENT OF THREEPHASE NETWORK: RECmax Lpd 4POLE...........................................................11
3.5.- DISCONNECTION OF THE DEVICE.......................................................................................................................... 12
4. OPERATION ................................................................................................................................................................... 13
4.1.- OPERATING PRINCIPLE ..........................................................................................................................................13
4.2.- DESCRIPTION OF THE DEVICE...............................................................................................................................13
4.3.- KEYBOARD FUNCTIONS......................................................................................................................................... 14
4.4.- DISPLAY.................................................................................................................................................................15
4.5.- LED INDICATORS....................................................................................................................................................16
4.6.- INPUTS ................................................................................................................................................................. 17
4.7.- OUTPUTS .............................................................................................................................................................. 17
4.8.- RESET LEVER AND MANUAL LOCKING..................................................................................................................18
4.9.- NORMAL OPERATING STATUS ...............................................................................................................................18
4.10.-TRIP STATUS ........................................................................................................................................................19
4.10.1.- AUTOMATIC RECLOSING IS POSSIBLE ..........................................................................................................19
4.10.2.- AUTOMATIC RECLOSING IS NOT POSSIBLE ................................................................................................. 20
5. DISPLAY.........................................................................................................................................................................22
5.1.- NORMAL OPERATING STATUS................................................................................................................................22
5.2.-TRIP STATUS..........................................................................................................................................................23
5.2.1.- EARTH LEAKAGE PROTECTION TRIP ..............................................................................................................23
5.2.2.- CIRCUIT BREAKER TRIP..................................................................................................................................24
6. CONFIGURATION ..........................................................................................................................................................25
6.1.- EARTH LEAKAGE PROTECTION..............................................................................................................................25
6.1.1.- ACTIVATION DELAY..........................................................................................................................................25
6.1.2.- SENSITIVITY CURRENT, IN............................................................................................................................ 26
6.2.- AUTOMATIC RECLOSING........................................................................................................................................27
6.2.1.- SRD: EARTH LEAKAGE RECLOSING SEQUENCE .............................................................................................27
6.2.2.- SRM: CIRCUIT BREAKER RECLOSING SEQUENCE ......................................................................................... 28
6.2.3.- RSTC: PARTIAL METER RESETTING............................................................................................................... 29
6.2.4.- POLT: CONFIGURATION OF TRIP OUTPUT ..................................................................................................... 29
6.2.5.- FREQ: NOMINAL FREQUENCY ....................................................................................................................... 30
6.2.6.- FACT: FACTORY CONFIGURATION ...................................................................................................................31
6.3.- LOCKING THE CONFIGURATION ............................................................................................................................. 31
6.3.1.- PHYSICAL LOCKING .........................................................................................................................................31
6.3.2.- PROGRAM LOCKING ........................................................................................................................................31
7. TECHNICAL FEATURES ..................................................................................................................................................33
8. TECHNICAL SERVICE.................................................................................................................................................... 36
9. WARRANTY................................................................................................................................................................... 36
10. CE CERTIFICATE...........................................................................................................................................................37
