Fronius SYMO Series Installation Instructions

3
EN-US
Contents
Location selection and installation position................................................................................................ 5
Safety Instructions Explanation............................................................................................................. 5
Safety.................................................................................................................................................... 5
Intended Use......................................................................................................................................... 6
Location Selection................................................................................................................................. 7
Installation position of the inverter ........................................................................................................ 8
General Location Selection................................................................................................................... 9
Example: Installation of several inverters ............................................................................................. 10
Do not ground the solar modules.......................................................................................................... 10
Power Line Communication (PLC) Transmitter .................................................................................... 10
Preparation 11
Attaching the Mounting Bracket ................................................................................................................. 13
Safety.................................................................................................................................................... 13
Selecting Dowels and Screws............................................................................................................... 13
Screw recommendation ........................................................................................................................ 13
Opening the Inverter ............................................................................................................................. 13
Installing the Mounting Bracket on a Wall............................................................................................. 14
Installing the Mounting Bracket on a Mast or Beam ............................................................................. 15
Attaching the mounting bracket to a metal carrier ................................................................................ 15
Do not warp or deform the mounting bracket........................................................................................ 16
Knockouts .................................................................................................................................................. 17
Safety.................................................................................................................................................... 17
General ................................................................................................................................................. 17
Knocking or Drilling Out Knockouts ...................................................................................................... 18
AC~ 21
Suitable Grids ............................................................................................................................................ 23
Connecting the inverter to the public grid (AC side) .................................................................................. 24
Safety.................................................................................................................................................... 24
Permitted Cables .................................................................................................................................. 25
Preparing Aluminum Cables for Connection......................................................................................... 26
Monitoring the grid ................................................................................................................................ 27
Fronius Symo 15.0-3 208 – ferrite ring ................................................................................................. 27
Connecting the Inverter to the Public Grid (AC).................................................................................... 27
Maximum AC fuse protection................................................................................................................ 29
Additional external AC and/or DC disconnect....................................................................................... 30
DC= 31
Notes on the Multi-MPP Tracker inverter................................................................................................... 33
Multi MPP Tracker – Inverter ................................................................................................................ 33
Connecting Solar Module Strings to the Inverter ....................................................................................... 34
Safety.................................................................................................................................................... 34
String Fuses.......................................................................................................................................... 35
Permitted Cables .................................................................................................................................. 36
General Information about Solar Modules ............................................................................................ 38
Connecting Aluminum Cables............................................................................................................... 38
Connecting Solar Module Strings to the Inverter .................................................................................. 39
Laying Solar.Net Cables 41
Data communication .................................................................................................................................. 43
Lay data communication cables............................................................................................................ 43
Installing Datamanager in the Inverter .................................................................................................. 44
Finally... 47

Fronius SYMO Series Specifications

General

MPPT Number	2
Frequency Range	50 / 60 Hz
Operating Temperature Range	-25°C to +60°C
Communication	WiFi, Ethernet, RS485
AC Nominal Voltage	3 x 230 V / 400 V
Output Voltage	3 x 230 V / 400 V
Warranty	5 years