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Generac
®
Power Systems, Inc. 21
A
AM
VM
L1
15
12
3
5
6
2
4
1
B
A
17
1
13
2
16
5
7
D
14
11
9
CAP
E
3
4
10
TO LOWER PANEL (CONNECTOR CP)
U
J
B
T
S
W
V
H
X
O
G
A
N
Q
M
E
K
F
C
D
4
5
10
12
3
TO ENGINE (CONNECTOR EH)
6
11
1211
7
+
2
19
15
3
18
16
14
-
+
-
+
-
CONTACTS
2 - 3
2 - 7
2 - 11
12 - 3
12 - 7
12 - 11
15 - 14
15 - 18
19 - 16
19 - 14
X INDICATES CLOSED
67
PHASE SELECTOR SWITCH
0
64
65
AVR
PCB
XO
O
X
O
O
X
O
X
X
X
O
O
X
X
X
O
O
O
X
O
O
O
X
O
X
X
X
X
O
O
O
O
O
O
O
O
X
X
X
POSITION
1 2 3 OFF
TR1
OFF POSITION
SHOWN IN
TS2
INSULATE UNUSED WIRE END
INSULATE UNUSED WIRE END
USE YELLOW WIRE FOR 208V, 3 PHASE
USE YELLOW WIRE FOR 208V, 3 PHASE
USE BLUE WIRE FOR 240V, 1 PHASE
USE BLUE WIRE FOR 240V, 1 PHASE
PSW - SWITCH, PHASE SELECTOR
SW2 - SWITCH, SET EXERCISE
SW1 - SWITCH, AUTO/OFF/MANUAL
TR1 - TRANSFORMER, UTILITY SENSING 24VA
R1 - RESISTOR, FIELD BOOST
VM - METER, AC OUTPUT VOLTAGE
PCB - CIRCUIT BOARD CONTROLLER
L1 - LIGHT, FAULT INDICATOR
HZ
CAP - CAPACITOR
CB1 - CIRCUIT BREAKER - EXCITATION
GCU - GOVERNOR CONTROLLER UNIT
D1 - DIODE- 600V, 12A
HM - HOURMETER
F1 - FUSE 15 AMPS
TS1,TS2 - TERMINAL STRIP
S16
BVM - METER, BATTERY VOLTAGE
AM - METER, AC OUTPUT CURRENT
LEGEND
0
58
57
S3
S15
S1
00
HZ - METER, FREQUENCY
PSW
29
D1
R1
1
TS1
13
4
2 162
6
4
14
S16
S15
6
162
4
0
85
56
14
13
229
85
1
0
4
56
14
229
178
560
S16 S15 T1
0
S15
T2 RED
4
85
229
14
239
BLUE
TO GOVERNOR
ACTUATOR
CONNECTOR
CONTROLLER
0
BLACK
BROWN
BLACK
GCU
BLUE
ORANGE
YELLOW
RED
BLACK
BLACK
YELLOW
178
BLUE
225A
225A
0
15A
194
15C
176
23
T1
T2
176
15C
15A
178
239
SW1
14
13
183
15C
15A
15C
15A
SW2
14
176
13
RED
15
15
BLUE
F1
194
23
183
0
0
15C
15
N.C.
BVM
14
HM
0
0
13
15 15 15
15
BLUE
BLUE
BLACK
RED
14
14
AVR - AUTOMATIC VOLTAGE REGULATOR
N1
T2
T1
23
N2
194
S16
S16
S15
183
178 178
183
194
23
N2
N1
T2
T1
N1
N2
T2
T1
23
194
183
178
85
14
F2
F2 - FUSE 7.5 AMPS IN-LINE
Section 6 — Electrical Data
(Model No. 004373-1) Guardian Liquid-cooled 40 kW Generator
Electrical Schematic (Control Panel) – Drawing No. 0D4993-A