Ingersoll-Rand G 270, Users Manual And Maintenance Manual

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10
INSTALLATION AND MAINTENANCE
LSA 46.2 / 47.1
ALTERNATORS
INSTALLATION
Ref. 2981 GB - 4.33/a - 04.00
LEROY-SOMER
3.3.2 - Terminal connection :
LSA 46.2/47.1 - 6-wire
(*) The factory can supply a set of flexible shunts and special
connection links as an option for making these connections.
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
LSA 46.2 - 6-WIRE
LSA 46.2 - 6-WIRE
N
T3
T2
T1
T4
T5
T6
L1(U)
L3(W)
1
4
3
6
5 2
L2(V)
F
T3
T2
T1
T5
T4
T6
1 phase or 3-phase
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
LSA 47.1 - 6-WIRE
LSA 47.1 - 6-WIRE
N
T3
T2
T1
T4
C11
C10
C12
T5
T6
L1(U)
L3(W)
1
4
3
6
5 2
L2(V)
F
1 phase or 3-phase
T3
T2
T1
T4
C11
C10
C12
T5
T6
(
*
)
(
*
)
Winding
60 Hz 50 Hz
440
380 - 416
380 - 416
-
-
7S
8S
7S
8S
Winding
60 Hz 50 Hz
240 - 254
220 - 240
-
-
R 448 voltage detection :
0 => (T3) / 220 V => (T2)
Operating phases : L2 (V), L3 (W) single phase
Winding
60 Hz 50 Hz
380 - 415
380 - 480
440
-
-
6S
7S
8S
6S
7S
8S
R 448 voltage detection :
0 => (T3) / 380 V => (T2)
Winding
60 Hz 50 Hz
220 - 240 220 - 277
240 - 254
-
-
220 - 240
R 448 voltage detection :
0 => (T3) / 220 V => (T2)
Operating phases : L2 (V), L3 (W) single phase
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 !