Installation and Operation Manual Page 8 of 104
(PVI-3.8/4.6-I-OUTD-US Rev.: 1.1)
TABLE OF CONTENTS:
1 INTRODUCTION.......................................................................11
1.1
PHOTOVOLTAIC
ENERGY...................................................................11
2 DESCRIPTION OF THE SYSTEM..........................................12
2.1
F
UNDAMENTAL
E
LEMENTS OF A
P
HOTOVOLTAIC
S
YSTEM
:
'STRINGS'
AND
'ARRAYS'...............................................................................................................16
2.2
D
ATA
T
RANSMISSION AND
C
HECK
............................................................18
2.3
T
ECHNICAL
D
ESCRIPTION OF
AURORA ...................................................18
2.4
P
ROTECTIVE
D
EVICES
................................................................................19
2.4.1
Anti-Islanding ...........................................................................................19
2.4.2
Grounding/differential Protection Fault...................................................20
2.4.3
Additional Protective Devices...................................................................20
3 INSTALLATION ........................................................................21
3.1
P
ACKAGE
I
NSPECTION
...............................................................................21
3.1.1
Inspecting package contents .....................................................................22
3.2
S
ELECTING THE INSTALLATION LOCATION
.................................................22
3.2.1
Wall mounting for -S-US models ..............................................................25
3.2.2
Wall mounting for -US models..................................................................27
3.3
B
EFORE
P
ERFORMING THE
E
LECTRICAL
C
ONNECTIONS
............................29
3.3.1
ELECTRICAL CONNECTING and/or DISCONNECTING procedure (only
-S-US-xx models)................................................................................................30
3.3.2
ELECTRICAL CONNECTING and/or DISCONNECTING procedure (only
-US-xx models) ...................................................................................................32
3.3.3
Removing the Front Cover and Accessing the Internal Terminal Block...34
3.3.4
Aurora Switch Box Description ................................................................35
3.3.4.1 AC and DC wire selection.........................................38
3.3.5
AURORA Inverter Typical Electrical Installations...................................39
3.3.5.1 Installation of -S-US-xx models................................39
3.3.5.2 Installation of -US-xx models ...................................40
3.3.6
Possible Aurora DC Input Configuration.................................................40
3.3.6.1 Independent Connection of the Aurora DC inputs....41
3.3.6.2 Parallel Connection of the Aurora DC inputs............42
3.3.7
Connection to the AC GRID .....................................................................43
3.3.7.1 Connection to the AC GRID for -S-US-xx models...44
3.3.7.2 Connection to the AC GRID for -US-xx models ......46