MarelliMotori MJB-Serie Bedienungs- Und Wartungsanleitung Seite 22

The output cables have to be fixed to the terminal board as indicated in the following figure.
WINDING
Direction of rotation
Generators are normally supplied to operate correctly when rotating clockwise (looking from shaft end side).
Grounding
Inside the terminal box there is a terminal for grounding, and a second terminal is on a foot of the generator. Grounding has
to be carried out using a copper wire of suitable size, in compliance with applicable standards.
4.5 Single phase loads
The standard three phase generators of this series can be used as single phase if the following instructions are followed:
The generator should be used for a maximum power equivalent to 0,6 times the power indicated on the nameplate for three
phase load.
The generator can be connected to star parallel (voltage of 220 Volt 50Hz or 220 – 240 Volt at 60 Hz) and single phase load
should be connected to terminals U1/T1 and V1/T2.
W 5
T9
W 1 T3
The generator can also be connected to zig zag (voltage of 220 – 240 Volt 50Hz or 220 – 240 Volt at 60 Hz) and single
phase load should be connected to terminals U1/T1 and V1/T2.
V2
T 5
V1
V6
T 2
T 1 1
V5
T 8
Supply of leading loads only
It is possible to supply symmetrical leading three phase loads for a maximum (in KVAR) equivalent to 0,25 times the power (in KVA)
indicated on the nameplate.
963857101_G
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LINE
YES
S t a r p a r a l l e l c o n n e c t i o n
U 1 U 5
T1 T 7
L O A D
T 4 U 2 U 6 T10
W 6 V 2
T 12 T 12
V 1
W 2 V 6
T2
T 6 T11
V 5 T 8
C o n n e c t i o n z i g – z a g
W 5
T 9
W 6
W 1
T 12
T 3
U 2 U 1
T 4 T 1
W 2
T 6
U 6
U 5
T 1 0
T 7
L O A D
20
WINDING
B IA N C O – W H I T E
N E R O – B L A C K
U 6
(T 10)
U 2 (T4)
W 5 (T 9) V 5
(T8) U 5
(T 11)
(T 5)
V 6
(T 3)
W 1 V 1 (T2) U 1
V 2
W 6 (T 12)
W 2 (T 6)
220 V
110 V
W 6 (T 12 )
W 2 (T 6 )
W 5 (T 9) V5
U 6 (T 10 )
(T 3 ) V1
U 2 (T 4) W 1
(T 11 )
V6
(T 5 )
V2
1 20 -11 0 V
20
ENGLISH
LINE
WRONG
R O S S O – R E D
(T 7)
(T 1)
B IAN CO – W H I T E
N E R O – B L A C K
R OS S O – R E D
(T 8 ) U 5 (T 7)
(T 2) U 1 (T 1 )
2 4 0 - 22 0V