IQ 7 / IQ 7+ / IQ 7X / IQ 7A with EN4 Bulkhead Installation and Operation
© 2020 Enphase Energy Inc. All rights reserved.
141-00047-01
43
Sample Wiring Diagram
D
C
B
A
B
A
1
3
4
5
6
7
8
1
2
3
4
5
6
7
8
D
C
JU
NCTIO
N B
O
X
NEUTRA
L
G
R
O
U
N
D
AC
D
IST
R
IBU
TIO
N
P
ANEL
O
R
SU
BP
ANEL
O
NE
2-P
O
LE
20
A
MP
CIRCUIT
B
RE
A
K
E
R
P
E
R B
RA
NCH CIRCU
IT
IQ
E
NV
O
Y
T
O
M
E
TE
R
O
R
A
C
DIS
TRIB
UTIO
N
P
A
NE
L
Q
CA
B
LE
B
LA
CK
- L1
RE
D - L2
TE
RMINA
T
O
R CA
P
INS
T
A
LLED
O
N
E
ND O
F CA
B
LE
IM
P
O
RT
ANT
: M
ake sure to m
easure the
li
ne-to-l
ine
and
the
li
ne-to-neu
tral
vol
tag
e
of a
ll serv
ice entrance cond
uctors
pri
or to instal
ling
any sol
ar equ
ipm
ent
.
The voltages
for the
m
icr
oinv
erters
should be
wi
thin the
foll
owing range
s:
-
240 V
AC
: li
ne
to li
ne:
21
1 to 264 V
A
C, li
ne
to g
round:
10
6 to
13
2 V
A
C.
-
208 V
AC
: li
ne
to li
ne:
18
3 to
22
9 V
A
C, li
ne
to g
round:
10
6 to
13
2 V
A
C.
NO
TE
: G
round
P
V
m
odu
les acc
ording to local
requir
em
ent
s.
ENPHASE I
Q
7
,
IQ
7
+,
I
Q
7
A,
an
d
IQ
7
X M
ICROI
NVER
TER
FIE
LD WI
RING
DIAG
RAM
©
2
01
9
E
np
ha
se
E
ne
rg
y
In
c.
A
ll
ri
g
h
ts
re
s
e
rv
e
d
M
ET
ER
UP
T
O
16
IQ
7 M
ICRO
S
, 13
IQ
7+ MICRO
S
, 1
1 IQ 7A
M
ICRO
S
,
or 12 I
Q
7X
M
ICRO
S
P
E
R 240
A
C B
RA
NCH CIRCU
IT
N
OTE
:
Th
e
IQ 7
Micr
o,
t
he
I
Q
7+
Micr
o,
t
he
I
Q 7
A
Micr
o,
an
d
the
I
Q 7
X
Micr
o
ha
ve
in
teg
rat
ed
gr
ou
nd
an
d
do
ub
le
in
sul
at
io
n,
so
no
GEC
or
E
GC
is
req
ui
red
.
Th
e
D
C
cir
cui
t
is
iso
la
ted
an
d
in
sul
at
ed
f
rom
gr
ou
nd
an
d
meet
s
the
r
eq
ui
reme
nt
s
of
N
E
C
69
0.
35
