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TRANSFER SWITCH
SECTION 3.2
OPERATIONAL ANALYSIS
PART 3
Page 61
Figure 2 is a wiring diagram for a typical “W/V-Type” transfer switch.
Figure 2. Wiring Diagram
205
N2A
N1A
RED
BLK
10 CIRCUIT LOAD CENTER
12 CIRCUIT LOAD CENTER
14 CIRCUIT LOAD CENTER
CIRCUIT 8
8 CIRCUIT LOAD CENTER
CIRCUIT 1
CIRCUIT 3
CIRCUIT 10
CIRCUIT 12
CIRCUIT 14
CIRCUIT 16
CIRCUIT 5
CIRCUIT 7
CIRCUIT 9
CIRCUIT 11
CIRCUIT 15
CIRCUIT 13
PANEL
OUTPUT
TO GENERATOR
DISTRIBUTION
240VAC TO MAIN
CIRCUIT BREAKER
CIRCUIT 6
CIRCUIT 2
CIRCUIT 4
MAIN 1
WHITE
MAIN 2
BLACK
RED
NEUTRAL
CONTROL PANEL
TO GENERATOR
23
15B
N2
TB1
N1
WHT
ALL CIRCUIT
GROUNDED
CONDUCTORS NOT
SHOWN FOR
CLARITY
WHT
A
N
WHT
WHT
RED
WHT
RED
WHT
BLK
BLK
LC
B
N1A
BLK
RED
N1A N2A
23
15B
N2A
23
15B
N1A
A B
7 9
E1
4 6
1 3
TR1
BLK
RED
BLK
RED
BLK
RED
BLK
RED
RED
BLK
LEGEND
LC-CIRCUIT BREAKER (LOADS)
(16 CIRCUIT SHOWN FOR REFERENCE ONLY)
SW1-AUTOMATIC TRANSFER SWITCH
C2-GENERATOR COIL & RECTIFIER
C1-UTILITY COIL & RECTIFIER
F1,F2,F3-5A, 600V FUSE
TB1-TERMINAL STRIP
SW2,SW3-LIMIT SWITCHES
TR1-TRANSFER RELAY
N-NEUTRAL
BLK
E1
RED
RED
BLK
SW1
E2
RED 205
B
205
B
E1
C2
E2
205
SW3
126
BLKE1
N2A
N1A
SW2
126
A
C1
N2A
A
N2A
RED
N2A
N1A
BLK
F1 F2 F3
A A A
B B B
0D4698-T
0
N1
N2
0
BLK
WIRE
RED
WIRE
-
+
15B
1 2 3
T1
BC
1 2
1 2
N1 N2
E1 E2
T1 T2
GREEN GRN
GRD
GRN
GRN
GRN
BC-BATTERY CHARGER
16 CIRCUIT LOAD CENTER
T1
126
GROUP G
WIRING - DIAGRAM
HSB TRANSFER SWITCH
DRAWING #: 0G7958
REVISION: "A"
DATE: 03/07/08
GROUP G
WIRING - DIAGRAM
HSB TRANSFER SWITCH
DRAWING #: 0G7958
REVISION: "A"
DATE: 03/07/08