28 Generac®Power Systems, Inc.

Section 8 - Electrical Data

Guardian Liquid-cooled 15 kW, 20 kW and 25 kW Generators
Wiring Diagram — 1.5L Guardian — Drawing No. 0E1525
FL
3
4
1
5
6
1
13
2
5
7
D
11
9
B
A
17
16
10
12
E
4
3
15
14
S
W1
S
W2
A
LTERNATE TR1
2
2
5
N2
N1A
(
BLUE
)
(
RED
)
A
A
B
(
BLACK
)
(
BLACK
)
+
-
14
S
A
VR
S
H
O
WN IN
O
FF P
OS
ITI
O
N
PC
B
2WIRE
S
TART
TS
2
TR1
FO
R
S
TANDARD
G
ENERA
C
TRAN
S
FER
S
WIT
C
H
CO
NNE
C
TI
O
N
HM
1
4
AR
5
2
6
C
B2
16
2
2
16
2
S
1
5
4
6
6
5
DPE
RED
4
0
0
4
85
56
14
13
2
2
9
85
56
14
13
2
2
9
S
1
6
1
4
0
85
14
2
2
9
239
1
7
8
239
1
7
8
15
E
15C
1
7
6
19
4
23
2
2
5
A
S
1
6
S
1
5
T1
T2
RED
13
14
0
15
A
15
A
15C
1
7
6
19
4
23
B
L
U
E
RED
T2
T1
0
0
13
15
13
15C
15C
0
15A
15
1
7
6
14
T1
T2
N1
N2
23
19
4
11
2
2
33
44
C
B1
0
S
1
6
S
1
5
E
1
00
E
2

C

USTOMER CONNECTIO

N

1

2

0/

24

0

V 1-PHA

S

E

T
RAN
S
FER
S
WIT
C
H
CO
NNE
C
TI
O
N T
S3
EC
A
R - ALTERNAT
O
R R
O
T
O
R
AS
- ALTERNAT
O
R
S
TAT
O
R
C
B1
,
2 - CIRCUIT BREAKERS
D
PE - EX
C
ITATI
O
N WINDIN
G
F
- F
US
E 1
5
AMP
S
GCU
-
GO
VERN
O
R
CO
NTR
O
L
U
NIT
PC
B -
C
IR
CU
IT B
O
ARD
CO
NTR
O
LLER
T
S1
,
2
,
3 - TERMINAL BOARDS
V
R - V
O
LTA
G
E RE
GU
LAT
O
R
LE
G
END
AS
F
S
A -
SU
PRE
SS
I
O
N A
SS
EMBLY
T
R1 -TRANSFORMER
,
UTILITY SENSING
183
1
7
8
183
P
REPA
C
KA
G
E
N
.
C
.
15
15C
B
L
U
E
2
2
5
A
S
W1 - A
U
T
O/O
FF
/
MAN
U
AL
S
WIT
C
H
S
W2 -
S
ET EXER
C
I
S
E
S
WIT
C
H
B
LA
C
K
B
LA
C
K
Y
ELL
O
W
US
E BL
U
E WIRE F
O
R 24
0
V L-L
S
Y
S
TEM
S
YELL
O
W WIRE F
O
R 2
08
V L-L
S
Y
S
TEM
S
I
N
SU
LATE
U
N
US
ED WIRE
0
RED
B
LA
C
K
RED
BLA
CK
BL
UE
BL
UE
H
M - H
OU
RMETER
C
AP
C
AP -
C
APA
C
IT
O
R
F
1 - F
US
E 7.
5
AMP
S
IN LIN
E
F1
EC
- EN
G
INE
CO
NNE
C
TI
O
N
F
L - LI
G
HT FA
U
LT INDI
C
AT
O
R
TS
1-14
EC
-
9
EC
-1
0
EC
-11
EC
-12
EC
-7
EC
-
8
EC
-
6
EC
-
3
EC
-
5
EC
-4
RED
BLA
CK
O
RAN
G
E
Y
ELL
O
W
B
R
O
WN
B
LA
C
K
GO
V
TO
AC
T
U
AT
O
R