Table of contents
Safety 5
General 5
Electrical installations 5
Installation location and position 6
Explanation of safety instructions 6
Safety 6
Intended Use 7
Location Selection 8
Installation position of the inverter 9
General Location Selection 10
Example: Installation of several inverters 11
Do not ground the solar modules. 11
Preparation 13
Attaching the Mounting Bracket 15
Safety 15
Selecting Dowels and Screws 15
Screw recommendation 15
Opening the Inverter 15
Installing the Mounting Bracket on a Wall 16
Installing the Mounting Bracket on a Mast or Beam 17
Attaching the mounting bracket to a metal carrier 17
Do not warp or deform the mounting bracket 18
Knockouts 19
Safety 19
General 19
Knocking or Drilling Out Knockouts 20
AC~ 23
Suitable Grids 25
Connecting the inverter to the public grid (AC side) 26
Safety 26
Permitted Cables 27
Preparing Aluminum Cables for Connection 29
Monitoring the grid 30
Fronius Symo 15.0-3 208 – ferrite ring 30
Connecting the Inverter to the Public Grid (AC) 30
Maximum AC fuse protection 31
Additional external AC and/or DC disconnect 33
DC= 35
Notes on the Multi-MPP Tracker inverter 37
Multi MPP Tracker – Inverter 37
Connecting solar module strings to the inverter 38
Safety 38
String fuses 39
Permitted Cables 40
General Information about Solar Modules 42
Connecting Aluminum Cables 43
Connecting Solar Module Strings to the Inverter 44
Laying Solar.Net Cables 47
Data communication 49
Lay data communication cables 49
Installing Datamanager in the Inverter 50
Finally... 53
3
EN-US
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