Installation and operating manual
Page 8 of 95
(PVI-3.8/4.6-I-OUTD Rev.: 1.5)
CONTENTS:
1
INTRODUCTION ....................................................................................... 11
1.1
PHOTOVOLTAIC
ENERGY ............................................................... 11
2
DESCRIPTION OF THE SYSTEM ............................................................ 12
2.1
F
UNDAMENTAL ELEMENTS OF A PHOTOVOLTAIC SYSTEM
:
“STRINGS”
AND
“ARRAYS” ............................................................................................... 14
2.2
D
ATA TRANSMISSION AND MONITORING
................................................. 16
2.3
T
ECHNICAL DESCRIPTION OF THE
AURORA
INVERTERS
......................... 16
2.4
P
ROTECTIONS
........................................................................................ 17
2.4.1
Anti-Islanding ....................................................................................... 17
2.4.2
Ground fault/RCD protection ................................................................ 18
2.4.3
Additional protective devices ................................................................ 18
3
INSTALLATION ......................................................................................... 19
3.1
P
ACKAGE INSPECTION
........................................................................... 19
3.2
I
NSPECTING THE PACKAGE CONTENTS
.................................................... 20
3.3
S
ELECTING THE LOCATION FOR INSTALLATION
....................................... 20
3.3.1
Wall mounting ...................................................................................... 23
3.4
P
RELIMINARY OPERATIONS FOR ELECTRICAL CONNECTION
...................... 25
3.4.1
Procedure of CONNECTION / DISCONNECTION ............................... 26
3.4.2
Procedure for accessing the internal terminal blocks by removing the
front cover ................................................................................... 27
3.4.3
AC and DC wire selection............................................................ 28
3.4.4
Installation of the AURORA inverter. .................................................... 29
3.4.5
Possible configurations of input channels .............................................. 30
3.4.5.1
Connection with independent channels .................................... 31
3.4.5.2
Parallel connection of channels................................................ 31
3.4.6
Connection to the AC grid ........................................................... 34
3.4.7
Connection of alarm cables and RS485 (optional) ................................. 35
3.4.8
Selection of grid standard ..................................................................... 35
3.4.9
Grounding of DC inputs ........................................................................ 37
3.5
CR2032
L
ITHIUM
B
ATTERY
R
EPLACEMENT
........................................... 39
3.6
R
EPLACEMENT OF THE MEMORY
............................................................ 39
3.7
R
EPLACEMENT OF THE
RS485
COMMUNICATION BOARD
......................... 40
4
COMMISSIONING AND SWITCHING OFF THE INVERTER .............. 41
4.1
S
TART
-
UP PROCEDURE
........................................................................... 41
4.2
S
TART
-
UP USING THE SIDE BUTTON
........................................................ 43
Summary of Contents for Aurora PVI-3.8/4.6-I-OUTD
Page 96: ......