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Sunny Island
Designation Description
PE
Chassis earth
F1: +
Battery input
F1: -
Battery input
K1:14
Diesel start
K1:13
Diesel start
K2:14
Diesel contactor
K2:13
Diesel contactor
K3:14
Control relay
K3:13
Control relay
K4:14
Control relay
K4:13
Control relay
K5:14
Control relay
K5:13
Control relay
K6:14
Control relay
K6:13
Control relay
K7:14
Battery fan
K7:13
Battery fan
K8:14
Battery circulation
K8:13
Battery circulation
X2:1 / -I
Diesel current input
X2:2 / +I
Diesel current input
X2:3 / L
Diesel sync. input
X2:4 / N
Diesel sync. input
F2:L
AC outlet
F2:N
AC outlet
PE
Chassis earth
PE
Chassis earth
PE
Chassis earth
3.4 Examples for Connection
In the following chapters you can read about the possibilities how to connect the in-
verter to its environment. Examples for the different connection types are provided.
BWRI33-12:EE
Comments
Connection to ground, 2.5 mm²
63 A fuse, 25 mm²
63 A fuse, 25 mm²
Relay K1 for generator start, a.o.
Relay K1 for generator start, a.o.
Relay K2 for control of contactor "Generator – island grid", a.o.
Relay K2 for control of contactor "Generator – island grid", a.o.
Relay K3 for control of contactor "Public grid – island grid", a.o.
Relay K3 for control of contactor "Public grid – island grid", a.o.
Relay K4 for control of contactor "Island grid – Sunny Island",
a.o.
Relay K4 for control of contactor "Island grid – Sunny Island" a.o.
Relay K5 for measuring-point selection, a.o.
Relay K5 for measuring-point selection, a.o.
Relay K6 for warming up and starting diesel, a.o.
Relay K6 for warming up and starting diesel, a.o.
Relay K7 for battery room fan, a.o.
Relay K7 for battery room fan, a.o.
Relay K8 for battery circulation pump, a.o.
Relay K8 for battery circulation pump, a.o.
Diesel current measurement input, via current probe, K
Diesel current measurement input, via current probe, L
Diesel voltage measurement input, L
Diesel voltage measurement input, N
16 A fuse
16 A fuse
Connection to ground 2.5 mm²
Connection to ground 10 mm²
Connection to ground 10 mm²
Table 3.1: Description of terminal strip
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Installation & Operating Instructions
SMA Regelsysteme GmbH
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