SMA E-Panel installation manual
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1 0 - 2 3 4 - 1 R E V : A
SMA DUAL SUNNY ISLAND OFF GRID SYSTEM
WITH 2 CLASSIC CONTROLLERS
DRAWN BY T.
CARPENTER
2/01/13
L2 OUT
L2 IN
NEUTRAL
N
EU
TR
A
L
N
EU
TR
A
L
INVERTER 2
SLAVE
SUNNY
ISLAND
250
ON
OFF
ON
OFF
60
A
G
R
O
U
N
D
H
O
T O
U
T
H
O
T I
N
G
R
O
U
N
D
BATTERY
NEGATIVE
BATTERY
POSITIVE
+
-
GROUND
L1 OUT
L1 IN
L2 OUT
L2 IN
NEUTRAL
N
EU
TR
A
L
N
EU
TR
A
L
INVERTER 1
MASTER
SUNNY
ISLAND
G
R
O
U
N
D
H
O
T O
U
T
H
O
T I
N
250
ON
OFF
ON
OFF
60
A
G
R
O
U
N
D
BATTERY
NEGATIVE
BATTERY
POSITIVE
+
-
GROUND
ON
OFF
60
A
ON
OFF
60
A
A
C
IN
P
U
T
A
C
IN
P
U
T
A
C
O
U
TP
U
T
A
C
O
U
TP
U
T
ON
OFF
ON
OFF
60
60
ON
OFF
ON
OFF
60
60
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
O
N
O
FF
LOADS
120/240V
NORMAL
BYPASS
SPD
300
SPD
300
6V
400ah
6V
400ah
6V
400ah
6V
400ah
6V
400ah
6V
400ah
6V
400ah
6V
400ah
6V
400ah
BATTERY 48 V
GENERATOR
POWER SOURCE
NOTE: GROUND AND
NEUTRAL CONNECTIONS TO
EXTERNAL PANELS HAVE
BEEN OMITTED FOR CLARITY
THESE MUST OF COURSE BE
INSTALLED IN THE FIELD
70
ON
ON
90
70
ON
ON
90
PV PLUS
BUS (S)
CLASSIC 150
CLASSIC 150
PV INPUT AND
CLASSIC OUTPUT
BREAKERS LOCATED
ON SIDE OF E-PANEL
BATTERY
PLUS BUS
PV ARRAYS
BATT
NEG
SPD
300
Typical complete off grid system with an MNE250SMA-OG/AC DM. an MNE250SMA-SLAVE and two
Classic charge controllers. Parts sold separately.