PVI
23TL
&
PVI
28TL
Installation
and
Operation
Manual
PVI
Series
Inverters
DOCR
‐
070365
‐
E
Page
22
of
57
WARNING
:
Solectria’s
side
AC
knockout
can’t
be
utilized
100%.
It
is
blocked
by
a
barrier
that
separates
High
Voltage
AC
cables
from
Communication
wires.
One
loses
about
25%
of
the
area
of
the
knockout
due
to
this
issue.
Figure
4.2
–
AC
Side
Knockout
Partially
Blocked
4.2
DC/AC
Grounding
PVI
23
‐
28TL
inverters
have
a
DC
ground
bar
with
four
terminals
that
can
be
used
to
terminate
the
DC
equipment
ground,
each
terminal
can
accept
a
single
copper
conductor
ranging
from
6
‐
10AWG
(Torque
=
14in
‐
lbs).
As
shown
in
Figure
4.3
below.
Figure
4.3
DC
Equipment
Ground
PVI
23
‐
28TL
inverters
also
have
an
AC
ground
bar
with
four
terminals
that
can
be
used
to
terminate
the
AC
ground.
Each
terminal
can
accept
a
single
copper
conductor
ranging
from
6
‐
10AWG
(Torque
=
14
in
‐
lbs),
a
stud
that
fits
a
M5
nut
to
terminate
the
AC
system
ground
(Torque
=
14in
‐
lbs),
and
an
external
ground
point
(Torque
14in
‐
lbs).
The
stud
and
external
ground
can
accept
a
single
copper
conductor
ranging
from
8
‐
10AWG.
NOTE:
The
lug
for
the
stud
is
located
in
the
accessory
box.
