19
EN-US
Connection dia-
gram
* may be required by local authorities
** may be required depending on grid configuration
*** depending on inverter type
Overview ‘Installing and connecting inverter’ contains the following sections:
- Connection options
- Knockouts
- Choosing the location
- Inverter installation
- Connecting the inverter to the public grid (AC)
- Connecting solar module strings to the inverter (DC)
- Attaching power stage sets and closing the inverter
Fronius IG Plus
Energy-
meter
AC distribution
panel
DC disconnect
DC terminal block
String fuses
DC +
DC -
PV frame ground
L1
L2
N
Grounding terminal
Grounding electrode terminal *
L1
N**
L2
L3
L3***
Main grounding system
Lockable AC
disconnect
switch
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