Notes On Grid Connection; Ac Connection - Fronius Primo 3.8-1 208-240 Installation Instructions Manual

Notes on grid connection

AC Connection

NOTE!
Fronius Primo 3.
8–8.2 only:
To ensure a proper ground connection, all 3 grounding terminals GND must be
tightened with the specified torque during installation.
NOTE!
Loop the AC cables when connecting them to the AC terminals:
Fronius Primo 3.
8–8.2: min. 4 in. (102 mm)
Fronius Primo 10.0–15.0: in accordance with NEC
IMPORTANT! The ground conductor GND of the AC cable must be laid so that it
is disconnected last.
Measure the ground conductor GND longer, for example, and loop.
Example: Fronius Primo 3.8–8.2
Example: AC cables (Fronius Primo 3.8–8.2)
28
If AC cables are laid over the shaft of
the DC main switch or across the DC
main switch connection block, the
cables may be damaged when the in-
verter is pivoted or the inverter may
not be able to be pivoted.
IMPORTANT! Do not lay AC cables
over the shaft of the DC main switch
or across the DC main switch connec-
tion block!
If excessively long AC or DC cables are
laid in loops in the connection area, fix
the cables to the designated eyelets at
the top and bottom of the connection
block using cable ties.