Sunny Island
Installation & Operating Instructions
BWRI33-12:EE
- 24 -
SMA Regelsysteme GmbH
Designation Description
Comments
PE
Chassis earth
Connection to ground, 2.5 mm²
F1: +
Battery input
63 A fuse, 25 mm²
F1: -
Battery input
63 A fuse, 25 mm²
K1:14
Diesel start
Relay K1 for generator start, a.o.
K1:13
Diesel start
Relay K1 for generator start, a.o.
K2:14
Diesel contactor
Relay K2 for control of contactor “Generator – island grid“, a.o.
K2:13
Diesel contactor
Relay K2 for control of contactor “Generator – island grid“, a.o.
K3:14
Control relay
Relay K3 for control of contactor “Public grid – island grid“, a.o.
K3:13
Control relay
Relay K3 for control of contactor “Public grid – island grid“, a.o.
K4:14
Control relay
Relay K4 for control of contactor “Island grid – Sunny Island“,
a.o.
K4:13
Control relay
Relay K4 for control of contactor “Island grid – Sunny Island“ a.o.
K5:14
Control relay
Relay K5 for measuring-point selection, a.o.
K5:13
Control relay
Relay K5 for measuring-point selection, a.o.
K6:14
Control relay
Relay K6 for warming up and starting diesel, a.o.
K6:13
Control relay
Relay K6 for warming up and starting diesel, a.o.
K7:14
Battery fan
Relay K7 for battery room fan, a.o.
K7:13
Battery fan
Relay K7 for battery room fan, a.o.
K8:14
Battery circulation
Relay K8 for battery circulation pump, a.o.
K8:13
Battery circulation
Relay K8 for battery circulation pump, a.o.
X2:1 / -I
Diesel current input
Diesel current measurement input, via current probe, K
X2:2 / +I
Diesel current input
Diesel current measurement input, via current probe, L
X2:3 / L
Diesel sync. input
Diesel voltage measurement input, L
X2:4 / N
Diesel sync. input
Diesel voltage measurement input, N
F2:L
AC outlet
16 A fuse
F2:N
AC outlet
16 A fuse
PE
Chassis earth
Connection to ground 2.5 mm²
PE
Chassis earth
Connection to ground 10 mm²
PE
Chassis earth
Connection to ground 10 mm²
Table 3.1: Description of terminal strip
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.