Danfoss DLX 3.8 UL User manual

DLX
Installation Guide
DLX 2.0 UL - DLX 2.9 UL - DLX 3.8 UL - DLX 4.4 UL
MAKING MODERN LIVING POSSIBLE
SOLAR INVERTERS

II
Dan
f
othe
r
T
his
a
mad
e
All tr
a
the
D
fo
ss can acc
e
r
printed m
a
a
lso applies
e
without s
u
a
demarks i
n
D
anfoss log
o
e
pt no resp
o
a
terial. Dan
f
to product
s
u
bsequent
c
n
this mater
i
o
type are re
g
o
nsibility fo
r
f
oss reserve
s
s
already on
c
hanges bei
n
i
al are prop
e
g
istered tra
d
Copyrigh
t
r
possible e
r
s
the right t
o
order prov
i
n
g necessa
r
e
rty of the r
e
d
emarks of
t
©: Danfoss
,
Installation G
u
r
rors in cata
o
alter its p
r
i
ded that s
u
r
y in specifi
c
e
spective c
o
Danfoss A/
S
,
2012
u
ide DLX UL seri
e
logues, bro
c
r
oducts wit
h
u
ch alterati
o
c
ations alre
a
o
mpanies.
D
S
. All rights
r
e
s L00410624-
0
c
hures and
h
out notice.
o
ns can be
a
dy agreed.
D
anfoss and
r
eserved.
0
1

IV Installation G
u
u
ide DLX UL seri
e
e
s L00410624-
0
0
1

Install
a
Co
n
1.
2.
3.
4.
5.
6.
7.
8.
a
tion Guide DLX
n
tents
Product O
1.1. W
a
1.2. Pr
o
1.3. U
n
Installati
o
2.1. Sa
2.2. Si
t
2.3. R
e
2.4. M
e
2.5. C
h
2.6. El
e
2.7. R
e
2.8. C
h
Start Up ..
3.1. In
i
Connecti
o
4.1. W
i
Internal
W
Troubles
h
6.1. C
h
6.2.
T
a
Maintena
n
7.1. R
e
7.2. E
n
Technical
8.1. In
v
8.2. Fi
e
UL series L004
1
verview....
.
a
rning Symb
o
o
duct Label .
.
n
packing an
d
o
n ...............
.
fety Prepara
t
t
e Preparatio
n
e
quired Safet
y
e
chanical Ins
t
h
ecks Prior t
o
e
ctrical Instal
e
quired Safet
y
h
ecks before
S
..................
.
tial Start .......
.
o
n between
i
thout a Net
w
W
eb Server.
.
h
ooting......
.
h
ec
k
List by F
ble of Event
s
n
ce and Di
s
e
gular Syste
m
d of life disp
o
Data .........
.
v
erter datas
h
e
ld Adjustabl
1
062
4
-01
.
.................
.
o
ls...................
.
.
........................
.
d
Inspection .
.
.
.................
.
t
ions...............
.
n
s....................
.
y
Equipment
t
allation........
.
o
Electrical In
s
lation.............
.
y
Equipment
S
tart Up........
.
.
.................
.
.
........................
.
Inverter a
n
w
or
k
................
.
.
.................
.
.
.................
.
ailure.............
.
s
........................
.
s
posal .......
.
m
Inspection.
.
o
sal ................
.
.
.................
.
h
eet .................
.
e Trip Levels
.
..................
.
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.
.
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.
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.
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.
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.
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.
s
tallation.......
.
.
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.
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.
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.
n
d PC.........
.
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.
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..................
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.
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..................
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.
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..................
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..................
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..................
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.
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.
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..................
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.
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.
.
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.
V
.
.................
.
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.
V
.
..6
.
... 6
.
... 6
.
... 7
.
11
.
.11
.
.13
.
.15
.
.18
.
.21
.
.21
.
.35
.
.35
.
37
.
.37
.
47
.
.47
.
48
.
49
.
.49
.
.49
.
54
.
.54
.
.54
.
55
.
.55
.
.57

Install
a
Table
1
Sym
b
1.3.
U
After
dam
a
1.3.1
.
The i
n
inver
t
Figur
e
• Wh
e
• Lift
•
T
ur
n
• Car
r
a
tion Guide DLX
1
.2: Symbols app
b
ol
D
D
s
w
R
m
D
U
p
D
a
S
U
npac
k
unpacking t
h
a
ged, contac
t
.
Lifting
n
verters’ wei
g
t
er must be
c
e
1.2: Correct lift
i
e
n lifting be
n
carefully, ho
l
n
the whole
b
r
y the invert
e
UL series L004
1
earing on the pr
D
escription
D
ischarge tim
e
w
itch OFF
R
efer to User
G
m
anual must b
D
anger: Shoc
k
U
L listing:
T
he
rotection req
u
D
isposal: Do n
n
d recycle th
e
– NO: Serial
N
k
ing an
d
h
e inverter, c
t
your distrib
u
and Carr
y
g
ht of 49–5
3
c
orrectly per
f
i
ng of the invert
e
n
d the knees
l
d the invert
e
b
ody as one
u
e
r close to th
e
1
062
4
-01
oduct label
e
: High voltag
G
uide DLX UL
e read and un
k
hazards – let
h
product mee
t
u
irements.
ot dispose in
g
e
m according
t
N
umber for in
v
d
Inspe
c
heck that all
u
tor immedi
a
y
ing the I
n
3
lbs. / 22-24
f
ormed to pr
e
e
r
and keep th
e
e
r close to th
e
u
nit to avoid
e
body.
es may be pr
e
series:The sa
f
derstood prio
r
h
al voltages a
r
t
s the UL 1741
g
eneral waste
!
t
o local regula
t
v
erter identific
c
tion
component
s
a
tely!
n
verter
kg (dependi
e
vent back i
n
e
back straig
h
e
body and l
e
twisting the
e
sent inside th
f
ety precautio
r to installatio
n
r
e present
safety, healt
h
!
Collect the v
a
tions
ation
s
are include
d
i
ng on mode
n
juries.
h
t.
e
t the leg m
u
lower back.
e inverter for
1
ns and instru
c
n
h
and environ
m
a
rious parts s
e
d
and unda
m
l), lifting and
u
scles do the
1
hour after
c
tions in this
m
ental
e
parately
m
aged. If
carrying the
work.
7

16
2.3.2
.
Over
c
prev
e
• An
o
• If a
f
rep
2.3.2
•
T
h
e
or i
n
eq
u
• If t
h
6.2
E
•
T
h
e
2.3.2
• DC
f
loc
a
ind
e
•
T
h
e
ma
n
• DC
f
sys
t
.
Overc
u
c
urrent prot
e
e
nt overheati
o
vercurrent
p
f
use blows o
lacing or res
e
.1. Groun
d
e
GFDI prote
c
n
the PV con
d
u
ipped with
a
h
e ground fa
u
E
rror! Refer
e
e
rating of th
e
.2. DC Fus
e
f
uses protec
t
a
ted in the S
t
e
pendently.
e
rating of th
e
n
ufacturer,
U
f
uses are no
r
t
em installer.
u
rrent Pro
t
e
ction device
s
ng as a resul
t
p
rotection d
e
r
a circuit br
e
e
tting it.
d
Fault Prot
e
c
ts the negat
i
d
uctors. It is
l
a
finger-safe
f
u
lt current e
x
e
nce source
n
e
GFDI is 600
V
e
s
t
the conduc
t
t
ringbox, eq
u
e
DC fuses sh
U
L requireme
n
r
mally not a
p
t
ection D
e
s
, fuses or ci
t
of overload
e
vice is requi
e
aker trips, t
h
e
ction Devic
e
i
ve/positive
g
l
ocated in th
e
f
use holder.
x
ceeds 1A th
e
n
ot found.).
V
DC
and 1A.
t
ors from ba
c
u
ipped with
f
ould be as p
e
n
ts and NEC,
p
art of the sc
o
e
vices
rcuit break
e
, short circui
t
red on each
u
h
e cause sho
u
e
(GFDI)
g
rounded str
e
lower com
p
e
GFDI open
s
c
k feed curre
n
f
inger-safe fu
e
r the recom
m
with a maxi
m
o
pe of deliv
e
Installation G
u
e
rs, protect t
h
t
or ground f
a
u
ngrounded
u
ld always b
e
ings from gr
o
p
artment of
t
s
and the inv
e
nts from par
a
se holders t
o
mendations
m
um of 40 A.
e
ry, and mus
t
u
ide DLX UL seri
e
h
ecircuit co
n
a
ult.
conductor.
e
determine
d
o
und faults i
n
t
he Stringbo
x
e
rter shuts d
o
a
llel strings.
T
o
disconnect
of the PV m
o
.
t
be provide
d
e
s L00410624-
0
n
ductors and
d
before
n
the PV arra
y
x
and is
o
wn (Refer t
o
T
hey are
each fuse
o
dule
d
by the
0
1
y
o

Install
a
Figur
e
•
T
h
e
•
T
h
e
• Ass
e
Figur
e
1. As
s
br
a
2. Fa
s
3. M
a
br
a
br
a
co
r
a
tion Guide DLX
e
2.2: Wall brac
k
e
bracket is d
e
e
inverter mu
s
e
mble the b
r
e
2.3:
A
ssemblin
g
s
emble the i
n
a
cket openin
g
s
ten the spa
c
a
rk the moun
a
cket as a te
m
a
cket to the
w
r
rect dimens
i
UL series L004
1
k
et components
e
signed to s
u
s
t be mount
e
r
acket as foll
o
g
of the wall bra
c
n
verter brac
k
g
.
c
er by pullin
g
t
ing holes o
n
m
plate to en
s
w
all with min
on of the scr
1
062
4
-01
u
pport 176.4
e
d in a vertic
a
o
ws:
c
ke
t
k
et (A) with t
h
g
it over the s
n
the mounti
n
s
ure that the
imum 2 scre
w
ews. The hol
e
T
he br
a
A. Inv
e
B. Spa
c
C. Stri
n
lbs. / 80 kg.
a
l orientatio
n
h
e spacer (B)
lit until it is f
a
n
g surface u
s
bracket is co
r
w
s. The insta
e
s in the bra
c
a
cket consists
e
rter Bracket
c
er (Optional)
n
gbox bracket
n
.
by putting t
h
a
stened.
s
ing a spirit l
e
rrectly level
e
ller is respo
n
c
ket have a
d
of three parts
h
e spacer int
o
e
vel and the
e
d. Fasten th
e
n
sible for sel
e
d
iameter of
½
1
:
o
the inverte
inverter
e
inverter
e
cting the
½
inch.
9
r

20
4. As
s
br
a
5. Fa
s
6.
T
h
e
15
/
3
th
e
Dista
n
Figur
e
2.4.2
.
Attac
Figur
e
1Loc
pi
n
s
emble the S
t
a
cket openin
g
s
ten the spa
c
e
correct dis
t
3
2
” (+
45
/
64
”). F
a
e
Stringbox
b
n
ces betwee
e
2.4: Distances
b
.
Invert
e
h the invert
e
e
2.5: Mounting
ate the hoo
k
n
taps on the
t
ringbox bra
c
g
.
c
er by pullin
g
ance betwe
e
a
sten the Str
b
racket have
a
n
the screws
:
b
etween the fas
t
e
r
e
r to the mou
t
he inverter to t
h
k
s for the car
r
Stringbox (B
c
ket (C) with
g
it over the s
e
n the invert
e
i
ngbox brac
k
a
diameter o
f
:
t
eners
nting brack
e
h
e bracke
t
ier slots (A)
o
).
the spacer (
B
lit until it is f
a
e
r bracket an
k
et to the wa
l
f
½ inch.
e
t as follows:
o
n the upper
Installation G
u
B
) by putting
a
stened.
d the String
b
ll with mini
m
Distances:
CC1: 3”
CC2: 6”
CC3: 7”
CC4: 2”
CC5: 3”
D1:
16
/
164
” (
+
D2: 17” (+
4
5
back of the i
u
ide DLX UL seri
e
the spacer i
n
b
ox bracket i
s
m
um 2 screw
s
+
45
/
64
” – 0”)
5
/
64
” – 0”)
nverter and
t
e
s L00410624-
0
n
to the
s
: D3 = 14
s
. The holes i
n
t
he locating
0
1
n