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DUAL SUNNY ISLAND WITH 3 CLASSICS
PAGE 1 OF 4
L2 OUT L2 IN
NEUTRAL
NEU
TRA
L
NEU
TRA
L
INVERTER 2SLAVESUNNY ISLAND
ON
OFF
60A
BATTERY NEGATIVE
BATTERY POSITIVE
+ -GROUND
L1 OUT
L1 IN
L2 OUT L2 IN
NEUTRAL
NEU
TRA
L
NEU
TRA
L
INVERTER 1MASTERSUNNY ISLAND
GR
OU
ND
-PE
AC
1 LO
AD
S / SUN
NY B
OYS
AC
2 G
EN / G
RID
ON
OFF
60A
BATTERY NEGATIVE
BATTERY POSITIVE
+ -GROUND
ON
OFF
60A
ON
OFF
60A
AC
INP
UT
AC
INP
UT
AC
OU
TPU
T
AC
OU
TPU
T
ON
OFF
ON
OFF
6060
ON
OFF
ON
OFF
60 60
DIGIN
#4
NORMAL
BYPASS
SPD 300AC
SPD 300AC
GR
OU
ND
-PE
AC
2 G
EN / G
RID
AC
1 LO
AD
S / SUN
NY B
OYS
GR
OU
ND
-PE
GR
OU
ND
-PE
Transition
ALL WIRING #6 UNLESS MARKED!!
NOTE GROUND INTERCONNECT IS #4
10-481-1 REVA
DC AND COMMUNICATION CABLES FACTORY INSTALLED BY MIDNITE SOLAR
PAGE 2 OF 4
NEU
TRA
L
NEU
TRA
L
INVERTER 2SLAVESUNNY ISLAND
BATTERY NEGATIVE
BATTERY POSITIVE
+ -GROUND
NEU
TRA
L
NEU
TRA
L
INVERTER 1MASTERSUNNY ISLAND
GR
OU
ND
-PE
AC
1 LO
AD
S / SUN
NY B
OYS
AC
2 G
EN / G
RID
250
BATTERY NEGATIVE
BATTERY POSITIVE
+ -GROUND
GR
OU
ND
-PE
AC
2 G
EN / G
RID
AC
1 LO
AD
S / SUN
NY B
OYS
GR
OU
ND
-PE
GR
OU
ND
-PE
+
-
+
- B
atC
ur
Bat
Tem
p
ComSyncOut
ComSyncInComSyncIn
TerminatorPlug
ComSyncOut
Black RJ45 Cable included with Sunny Island
BA
TTER
Y P
LUS
BU
S
250ON
OFF
250ON
OFF
#4
SPD 300DC
#4
ON
60A300
V
ON PV
INP
UT
CH
AR
GE C
ON
TRO
LLER O
UT
BATT PLUS
BATT PLUS
BATT MINUS
BATT MINUS
BatteryTemperature Sensor
#2
BATTERY PLUS BUS
#2
ON
ON PV
INP
UT
CH
AR
GE C
ON
TRO
LLER O
UT
PV 1
SPD 300DC
#4
#4
#6
#6
Battery Temp Sensor
TerminatorPlug
PV 2
PV 3
SPD 300DC
ON
60A300
V
ON PV
INP
UT
CH
AR
GE C
ON
TRO
LLER O
UT
70
#4 2 3
#4
#4
#6#6
#4#4
10-481-1 REVA
BATT BREAKER PV BREAKER PV WIRE
MNEDC100 MNEDC70 #4 AWG
MNEDC80 MNEDC60-300 #6 AWG
MNEDC70 MNEDC60-300 #6 AWG
CL150
CL200
CL250
PAGE 3 OF 4
AC WIRING TO BE DONE BY CUSTOMER
L2 OUT L2 IN
NEUTRAL
NEU
TRA
L
NEU
TRA
L
INVERTER 2SLAVESUNNY ISLAND
ON
OFF
60A
BATTERY NEGATIVE
BATTERY POSITIVE
+ -GROUND
L1 OUT
L1 IN
L2 OUT L2 IN
NEUTRAL
NEU
TRA
L
NEU
TRA
L
INVERTER 1MASTERSUNNY ISLAND
GR
OU
ND
-PE
AC
1 LO
AD
S / SUN
NY B
OYS
AC
2 G
EN / G
RID
ON
OFF
60A
BATTERY NEGATIVE
BATTERY POSITIVE
+ -GROUND
ON
OFF
60A
ON
OFF
60A
ON
OFF
ON
OFF
6060
ON
OFF
ON
OFF
60 69
ON
OFF
ON
OFF
ON
OFF
ON
OFF O
N
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
CRITICAL LOADS 120/240V
“THE GRID”120/240V
Requires minimum of a 60 amp branch circuit
DIGIN
NORMAL
BYPASS
SPD300
SPD300
GR
OU
ND
-PE
AC
2 G
EN / G
RID
AC
1 LO
AD
S / SUN
NY B
OYS
GR
OU
ND
-PE
GR
OU
ND
-PE
ON
60A
ON
OFF
60A
These 4 wires will be in the Master Epanel and Labeled. They should be run through
the included conduit and landed on the Bus Bars as
shown
System must be grounded per NEC specifications
10-481-1 REVA
PAGE 4 OF 4
NEU
TRA
L
NEU
TRA
L
INVERTER 2SLAVESUNNY ISLAND
250ON
OFF
BATTERY NEGATIVE
BATTERY POSITIVE
+ -GROUND
NEU
TRA
L
NEU
TRA
L
GR
OU
ND
-PE
AC
1 LO
AD
S / SUN
NY B
OYS
AC
2 G
EN / G
RID
250ON
OFF
BATTERY NEGATIVE
BATTERY POSITIVE
+ -GROUND
GR
OU
ND
-PE
AC
2 G
EN / G
RID
AC
1 LO
AD
S / SUN
NY B
OYS
GR
OU
ND
-PE
GR
OU
ND
-PE
BATT PLUS
BATT PLUS
BATT MINUS
BATT MINUS
+
-
+
- B
atC
ur
Bat
Tem
p
Bat
tery
Tem
pSe
nso
r
12V
12V 12V
12V 4/0 Cable recommended
Battery Bank can be made of other voltage batteries provided they add up to nominal 48 volt. Capacity should be 600
AH minimum
NEU
TRA
L
NEU
TRA
L
INVERTER 2SLAVESUNNY ISLAND
BATTERY NEGATIVE
BATTERY POSITIVE
+ -GROUND
INVERTER 1MASTERSUNNY ISLAND
DIGIN
AC
2 G
EN / G
RID
AC
1 LO
AD
S / SUN
NY B
OYS
GR
OU
ND
-PE
GR
OU
ND
-PE
ComSyncOut
ComSyncIn ComSyncInTerminator
Plug
ComSyncOut
Black RJ45 cable will be in Master Epanel. Plug in as shown into ComSyncIn
Battery Temperature sensor will be coiled up in Master Epanel.
Attach to battery bank per SMA’s
Specifications on Page 51 of the SMA
Manual
2/0 MinimumNot included
TerminatorPlug
PV 1
PV 2
PV 3PV POSITIVES GO HERE
PV NEGATIVE
10-481-1 REVA
