User Gu
3.3.2
•
The
or in
equ
•
If th
7.2.
•
The
3.3.2
•
DC
loca
inde
•
The
man
•
DC
syst
Table 3
Inv
3.3.2
•
The
and
•
AC
uide
DLX UL series
2.1.
Grou
e GFDI protec
n the PV cond
uipped with a
he ground fau
Table of Even
e rating of the
2.2.
DC Fu
fuses protect
ated in the St
ependently.
e rating of the
nufacturer, U
fuses are nor
tem installer.
3.1: DC current ch
verter Type
DLX 2.0 UL
DLX 2.9 UL
DLX 3.8 UL
DLX 4.4 UL
NOTIC
Overcu
which is
string c
module
2.3.
AC O
e AC Overcurr
d the grid.
OCD must be
CAUT
To redu
circuit p
Nationa
3.2
belo
L00410625-01
und Fault
cts the negati
ductors. It is l
a finger-safe f
ult current ex
nts
).
e GFDI is 600V
uses
t the conduct
tringbox, equ
e DC fuses sh
UL requiremen
rmally not a p
haracteristics an
Max
Curre
9.5A
13.5
18.0
21.0
CE
rrent protect
s equal to 1.2
onductors or
e product lab
vercurren
rent Detector
e provided by
TION
uce the risk of
provided with
al Electrical C
ow
Protectio
ive/positive g
located in the
fuse holder.
xceeds 1A the
V
DC
and 1A.
tors from bac
uipped with f
ould be as pe
nts and
NEC
,
part of the sco
d recommended
DC
ent
1x
A
5A
0A
0A
tion is not req
25 x I
SC
,, from
r the maximu
el.
nt Protect
r (OCD) prote
y the system
f fire, the inve
h branch circ
ode, ANSI/NF
n (GFDI)
grounded str
e lower comp
e GFDI opens
ck feed curren
finger-safe fu
er the recom
with a maxim
ope of delive
d fuse ratings
x PV String
Fuses
15A
22A
29A
33A
quired for PV
all sources ca
um overcurre
ion
ects the supp
installer.
erter AC term
uit overcurre
FPA 70, and h
ings from gro
partment of t
s and the inve
nts from para
se holders to
mendations
mum of 40 A.
ery, and must
2x PV Str
Fuses
8A
11A
15A
17A
strings wher
annot exceed
ent device size
ply conductor
minals must o
ent protection
having maxim
ound faults in
the Stringbox
erter shuts do
allel strings. T
o disconnect
of the PV mo
.
t be provided
ring
s
3x P
re the maxim
d the ampaci
e specified o
rs between th
only be conne
n in accordan
mum ratings
1
n the PV array
x and is
own (Refer to
They are
each fuse
odule
d by the
PV String
Fuses
5A
8A
10A
11A
mum current,
ity of the PV
n the PV
he inverter
ected to a
nce with the
as per
Table
9
y
o