Fronius 1.5-1, Installation Instructions Manual

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Table of contents
Safety 5
Explanation of Safety Instructions 5
General 5
Electrical installations 5
Safety 6
Intended Use 7
Installation location and position 8
Selecting a location 8
Installation position 9
General location selection 10
Example: Installation of several inverters 11
Preparation 13
Attaching the Mounting Bracket 15
Safety 15
Selecting Dowels and Screws 15
Screw recommendation 15
Opening the inverter 16
Installing the mounting bracket on a brick or concrete wall 16
Fitting the mounting bracket to a timber wall 17
Do not warp or deform the mounting bracket 17
Attaching the mounting bracket to a metal carrier 18
Installing the inverter on a mast 18
Notes on the Knockouts 19
Safety 19
General 19
Knocking or drilling out knockouts 20
AC~ 21
Suitable Grids 23
Suitable Grids 23
Connecting the inverter to the public grid (AC side) 25
Safety 25
Permitted cables 26
Preparing Aluminum Cables for Connection 27
Monitoring the grid 27
Notes on grid connection 28
Grid Connection 28
Maximum AC-side Overcurrent Protection 29
Additional external AC and/or DC disconnect 29
DC= 31
Notes on Solar Module Grounding in the Inverter 33
Notes on solar module ground in the inverter 33
Notes on DC Connection 35
Safety 35
General Information about Solar Modules 37
Inverter DC Connection 37
Notes on Laying Data Communication Cables 38
Laying Data Communication Cables 38
Notes on Clipping the Inverter into the Wall Bracket 39
Clipping the Inverter into the Wall Bracket 39
Notes on Anti-theft device 40
Anti-Theft Device 40
Notes on Software Updates 42
Notes on Software Updates 42
USB Stick as a Data Logger and for Updating Inverter Software 43
USB Flash Drive as a Data Logger 43
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