10
INSTALLATION AND MAINTENANCE
LSA 46.2 / 47.1 - 4 POLE
ALTERNATORS
INSTALLATION
Ref. 2981 GB - 4.33/b - 07.02
LEROY-SOMER
3.3.2 - Terminal connection : 6 wire
(*) The factory can supply a set of flexible shunts and special
connection links as an option for making these connections.
3.3.3 - Option connection diagram
The standard alternator is fitted with 3 starting ranges, 6
connection links and one neutral link.
Connection codes
Voltage L.L
Factory connection
3-phase
N
T1
T4
T3
T6
T5
T2
L1(U)
L3(W)
L2(V)
D
L1(U)
L2(V)
L3(W)
L1(U)
L2(V)
L3(W)
NDE
NDE
N
T3
T2
T1
T4
T5
T6
L1(U)
L3(W)
T1
T4
T3
T6
T5
T2
L2(V)
F
T3
T2
T1
T5
T4
T6
1 phase or 3-phase
(
*
)
Winding
60 Hz
50 Hz
440
380 - 416
-
-
-
Winding
60 Hz
50 Hz
R 448 voltage detection :
0 => (T3) / 220 V => (T2)
Operating phases : L2 (V), L3 (W) single phase
380 - 415
380 - 480
6S
7S
8S
6S
7S
8S
220 - 240
220 - 277
240 - 254
-
-
220 - 240
9S
600
R 448 voltage detection :
0 => (T3) / 380 V => (T2)
Winding 9 : R 448 voltage det transformer (See specific diagram)
In case of reconnection, ensure that the AVR voltage detection is correct !
R 791 T interference suppression kit
(standard for CE marking)
LSA 46.2 - 6-wire
Current transformer connection (optional)
Remote voltage potentiometer
Black
Black
Black
Blue
White
Connections
A D F F/F
T1 T1 T1 T1
T2 T2 T2 T9
T3 T3 T3 T3
N N
Voltage adjustment
via remote potentiometer
.
ST4
Neutral
link
- PH 1
In - Secondary 1 A
Coupling D
P1
P2
T4
Neutral
link
Neutral
link
LSA 47.1 - 6-wire
- PH 1
In/2 (coupl. D) - Secondary 1 A
In/2 - Secondary 1 A
Coupling D
LSA 47.1 - 12-wire
P1
P2
T4
Neutral
link
Coupling D & A
Coupling D & A
LSA 46.2 - 12-wire
P1
P2
T10
In - Secondary 1A (coupl. D)
P1
P2
T10
T4
T10
