Fronius Symo User Manual

3
EN
Contents
Installation location and position ................................................................................................................ 5
Explanation of safety notices ................................................................................................................ 5
Safety.................................................................................................................................................... 5
Proper use/intended purpose................................................................................................................ 6
Inverter installation location .................................................................................................................. 7
Explanation of symbols - installation position ....................................................................................... 8
General comments regarding inverter installation location................................................................... 9
Attaching the Mounting Bracket ................................................................................................................. 10
Safety.................................................................................................................................................... 10
Selecting wall plugs and screws ........................................................................................................... 10
Recommended screws ......................................................................................................................... 10
Opening the inverter ............................................................................................................................. 10
Fixing the mounting bracket to a wall.................................................................................................... 11
Fitting the mounting bracket to a mast or support................................................................................. 12
Fitting the mounting bracket to metal supports..................................................................................... 12
Do not warp or deform the mounting bracket........................................................................................ 13
Connecting the inverter to the public grid (AC side) .................................................................................. 14
Safety.................................................................................................................................................... 14
Monitoring the grid ................................................................................................................................ 14
Type of AC cable .................................................................................................................................. 14
Preparing the aluminium cables for connection.................................................................................... 14
AC terminals ......................................................................................................................................... 15
Cross section of the AC cable............................................................................................................... 15
Connecting the inverter to the public grid (AC)..................................................................................... 15
Maximum fuse rating on alternating current side.................................................................................. 17
Notes regarding inverters with single and multiple MPP trackers.............................................................. 19
Inverter with single MPP tracker ........................................................................................................... 19
Inverter with multiple MPP trackers ...................................................................................................... 19
Connecting solar module strings to the inverter (DC side) ........................................................................ 21
Safety.................................................................................................................................................... 21
General comments regarding solar modules........................................................................................ 22
DC terminals ......................................................................................................................................... 22
Connecting aluminium cables............................................................................................................... 23
Connecting solar module strings to the inverter (DC)...........................................................................23
Data communication .................................................................................................................................. 27
Routing data communication cables..................................................................................................... 27
Installing the Datamanager in the inverter ............................................................................................ 27
Attaching the inverter to the mounting bracket .......................................................................................... 30
Attaching the inverter to the mounting bracket ..................................................................................... 30
Starting for the first time............................................................................................................................. 32
Starting the inverter for the first time..................................................................................................... 32
Notes regarding software updates ............................................................................................................. 34
Notes regarding software updates........................................................................................................ 34
USB Stick as a Data Logger and for Updating Inverter Software .............................................................. 35
USB flash drive as a datalogger ........................................................................................................... 35
Data on the USB stick........................................................................................................................... 35
Data volume and storage capacity........................................................................................................ 36
Buffer memory ...................................................................................................................................... 37
Suitable USB flash drives ..................................................................................................................... 37
USB stick for updating the inverter software......................................................................................... 38
Remove USB stick................................................................................................................................ 38
Notes regarding maintenance.................................................................................................................... 39
Maintenance ......................................................................................................................................... 39
Cleaning................................................................................................................................................ 39
Australian cable protection hoses .............................................................................................................. 40
Serial Number Sticker for Customer Use................................................................................................... 41
Serial number sticker for customer use ................................................................................................ 41

Fronius Symo Specifications

General

THD	< 3 %
Number of MPP Trackers	2
Protection Class	IP65
Frequency Range	50 / 60 Hz
Operating Temperature Range	-25°C to +60°C
Power Range	3.0 kW - 20.0 kW
AC Output Voltage	230 V
Communication	Ethernet
Warranty	5 years
Model	Symo