Generac Power Systems ILC Owner's Manual page 18

Section 7 — Electrical Data
Generac ILC Type Transfer Switch
Electrical Schematic - Drawing No. 0E5539
NOTE:
WIRE N3 AND E3 USED ON 3-PHASE UNITS ONLY.
ALL RELAY CONTACTS SHOWN WITH ATS IN UTILITY POSITION,
AND PUSHBUTTONS NOT PRESSED.
NEUTRAL
BLOCK
PANELBOARD
NEUTRAL BUSBAR
TVSS
MODULE
(GENERATOR)
16 Generac ® Power Systems, Inc.
TVSS
MODULE
(UTILITY)
A1
NO
COM
COM
NC
A2
N2
CB3
BLK
BLK
GRN
WHT
LEGEND
ATS TRANSFER SWITCH CONTACTOR
AUX SWITCH, AUXILIARY
C COIL, CLOSING
CB1 CIRCUIT BREAKER, UTILITY DISCONNECT
CB2 CIRCUIT BREAKER, GENERATOR DISCONNECT
CB3,CB4
CIRCUIT BREAKER, TVSS DISCONNECT
F1 - F6 FUSE, 5 AMP
L1 GREEN LED, ATS CLOSED TO UTILITY
L2 RED LED, ATS CLOSED TO GENERATOR
L3 RED LED, GENERATOR SOURCE AVAILABLE
L4
PBU PUSHBUTTON, CLOSE TO UTILITY
PBG PUSHBUTTON, CLOSE TO GENERATOR
TRU RELAY, TRANSFER TO UTILITY
TRG RELAY, TRANSFER TO GENERATOR
TR1 TRANSFORMER, GENERATOR SENSING
TR2 TRANSFORMER, LOAD POWER SUPPLY
TR3 TRANSFORMER, UTILITY SENSING
BLK
BLK
GRN
WHT
N2
TRU
3
126 126
107
B1 T1
NC
TD2 TD1
M1
COM
NC
+
C
-
M2
NO
B2
T2
E2
TRG
3 1
107
E1
E2
CUSTOMER CONNECTION
CB1
CB4
N1
N2
1
N1
185
ATS
N1
COM
NO
AUX
T1
COM COM
NC NO
E1
AUX
E2
E1
L1 L2
0 0
CB2
CUSTOMER CONNECTION
- UTILITY -
185
N1 N1
N2 N2
N2 N3
T1
T2 T3
T2
E3
E2
E1
E2
0
- GENERATOR -