Danfoss DLX 2.0 UL, Installation Manual

Page: 16 / 59

16
2.3.2.
Overc
preve
•
An o
•
If a f
rep
2.3.2
•
The
or in
equ
•
If th
6.2
E
•
The
2.3.2
•
DC f
loca
inde
•
The
man
•
DC f
syst
. Overcu
current prote
ent overheati
overcurrent p
fuse blows o
lacing or rese
.1. Ground
e GFDI protec
n the PV cond
uipped with a
he ground fau
Error! Refere
e rating of the
.2. DC Fuse
fuses protect
ated in the St
ependently.
e rating of the
nufacturer, U
fuses are nor
tem installer.
urrent Prot
ection devices
ng as a result
protection de
r a circuit bre
etting it.
d Fault Prote
cts the negati
ductors. It is l
a finger-safe f
ult current ex
ence source n
e GFDI is 600V
es
t the conduct
tringbox, equ
e DC fuses sh
UL requiremen
rmally not a p
tection De
s, fuses or ci
t of overload
evice is requi
eaker trips, th
ection Device
ive/positive g
located in the
fuse holder.
xceeds 1A the
not found. ).
V
DC
and 1A.
tors from bac
uipped with f
ould be as pe
nts and NEC ,
part of the sco
evices
rcuit breake
, short circuit
red on each u
he cause shou
e (GFDI)
grounded str
e lower comp
e GFDI opens
ck feed curren
finger-safe fu
er the recomm
with a maxim
ope of delive
Installation Gu
ers, protect th
t or ground fa
ungrounded
uld always be
ings from gro
partment of t
s and the inve
nts from para
se holders to
mendations
mum of 40 A.
ery, and must
uide DLX UL serie
he circuit con
ault.
conductor.
e determined
ound faults in
the Stringbox
erter shuts do
allel strings. T
o disconnect
of the PV mo
.
t be provided
es
L00410624-0
nductors and
d before
n the PV array
x and is
own (Refer to
They are
each fuse
odule
d by the
01
y
o