4. Installation
4. Installation
.29.
.30.
4.8.1 Single phase meter installation
F
ig
u
re 4
.3
8 (
E
a
s
tr
o
n S
D
M
1
2
0
C
T
)
F
ig
u
re 4
.3
9 (
A
c
re
l A
C
R
1
0
R
-1
6
D
T
E
)
10
5
8
6
SDM120M
9
7
3
4
1
2
1:White
2:Black
S5-EH1P-L
RS485
Meter
Back-up
L
N
PE
L
N
PE
Grid
Distribution box
CB
CB
RCD
L
N
PE
RS485 Meter COM
Pin 9 – RS485A
- Black
Pin 10 – RS485B - Red
PE
N
L
RCD
Load_a
Critical Load
L
N
PE
GRID
PV strings
CB
Battery
CB
PV strings
CB
Battery
CB
S5-EH1P-L
Back-up
L
N
PE
L
N
PE
Grid
L
N
PE
CB
CB
N
L
S5-EH1P-L
Distribution box
RS485 Meter COM
Critical Load
RCD
RCD
PE
N
L
Load_a
CT
L
N
PE
GRID
RJ45
Port
White
Black
1
2
3
4
13
12
Meter
5
6
7
8
9
10
21
22
23
CT
direction
towards to grid
Power cable
N
o
te
:
If t
h
e C
T i
s i
n
s
ta
ll
e
d i
n t
h
e w
ro
n
g d
ir
e
c
ti
o
n
,
th
e H
y
b
ri
d I
n
v
e
rt
e
r c
a
n
't w
o
rk n
o
rm
a
ll
y
.
Power cable
N
o
te
:
If t
h
e C
T i
s i
n
s
ta
ll
e
d i
n t
h
e w
ro
n
g d
ir
e
c
ti
o
n
,
th
e H
y
b
ri
d I
n
v
e
rt
e
r c
a
n
't w
o
rk n
o
rm
a
ll
y
.
G
ri
d
s
id
e
K
L
CT
direction
towards to grid
G
ri
d
s
id
e
K
L
