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Energy®
AE ?STX and AE 1 OOTX
Inverters
4. Connect
the PV frame
ground wfre(s) to
the
ground
lug
on
the point marked
..L
":"'
in the
lower
left side
of
the
cabinet.
5. Connect
positive DC
cables(s) to
the
te1minals
located on the positive bus bar
or
fuse holder
as
applicable.
Use grade
8,
3/8"
hardware to secure
the lugs of
the
incoming DC
cables
to the
bus
bar.
The DC landing
torque specification
is
54
Nm (40
ft-lb).
6.
Connect
negative DC
lead(s)
directly to
the
te1minals
located
on the
negative
DC
bus
bar as
shown
in
the following figure. Use
grade
8,
3/8"
hardware to
secure
the lugs
of
the
incoming
DC
cables
to the
bus
bar. The
DC landing
torque
specification
is
54 Nm (40
ft-lb).
Figure
4-14.
Bus bar connections
7
.
Energize the DC
cables.
Bus bar
Crimp connector
Washer, 3/8 high strength
Screw, hex cap, 3/8
-
16 x
1,
Grade 8
Washer, Belleville,
3/8,
6500
lb
flat load
8.
Using
a
voltmeter,
check
the PV
a1rny
positive leads and
confinn
the
voltage
is
positive
when referenced
to the
negative
leads.
The
reading should
not exceed
your
calculated
selies
V
oc
or
the
600 VDC
maximum inve1ter input
specification.
9.
De-energize
the
DC
cables.
570-1001793-0SB
Installing
4-19
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