Guardian 4721, Repair Manual

Page: 111 / 115

ELECTRICAL DATA
SCHEMATIC
1-PHASE LIQUID COOLED GENERATOR
PART 9
Page 107
FL
3
4
2
1
5
6
1
13
2
5
7D
11
9
B
A1
7
16
10 12
E 4 3
15
14
GCU
SW1
SW2
TR1
AL
TERNA
TE TR1
225
224
N2
N1A
(BLUE)
(RED)
A B
(BLA
CK)
(BLA
CK)
+
-
14
SA
VR
SHO
WN IN
OFF POSITION
PCB
2 WIRE
ST
AR
T
TS2
TR1
FOR ST
AND
ARD
GENERA
C TRANSFER
SWITCH CONNECTION
HM
1
4
AR
5
2
6
CB2
162
2
162
S15
6
4
6
6
5
DPE
RED
4
0
0
4
85
56
14
13
229
85
56 14
13
229
S16
1
4
0
85
56
14
229
239
178
239
178
15E
15C
176
194
23
225A
S16
S15
T1
T2
RED
13
14
0
15A
15A
15C
176
194
23
BLUE
RED
T2
T1
0
0
13
15
13
15C
15C
0
15A
15
176
14
T1
T2
N1
N2
23
194
11
22
33
44
CB1
0
S16
S15
E1
00
E2
CUST
OMER CONNECTION
120/240V 1-PHASE
TRANSFER SWITCH CONNECTION TS3
EC
AR - AL
TERNA
T
O
R R
O
T
O
R
AS - AL
TERNA
T
OR ST
A
T
OR
CB1,2 - CIRCUIT BREAKERS DPE - EXCIT
A
TION
WINDING
F - FUSE 15 AMPS
GCU - GO
VERNOR CONTR
OL UNIT
PCB - CIRCUIT BO
ARD CONTR
OLLER
TS1,2,3 -
TERMINAL BO
ARDS
VR -
V
O
LT
A
GE REGULA
T
O
R
LEGEND
AS
F
SA - SUPRESSION ASSEMBL
Y
TR1 -TRANSFORMER, UTILITY SENSING
183
178
183
PREP
A
CKA
GE
N.C
.
15
15C
BLUE
225A
SW1 - A
U
T
O/OFF/MANU
AL SWITCH
SW2 - SET EXERCISE SWITCH
BLA
CK
BLA
CK
YELLO
W
USE BLUE
WIRE FOR 240V L-L SYSTEMS
YELLO
W
WIRE FOR 208V L-L SYSTEMS
INSULA
T
E UNUSED
WIRE
0
RED
BLA
CK
RED
BLACK
BLUE
BLUE
HM - HOURMETER
CAP
CAP - CAP
A
C
IT
OR
F1 - FUSE 7.5 AMPS IN LINE
F1
EC - ENGINE CONNECTION FL - LIGHT F
A
UL
T INDICA
T
O
R
TS1-14
EC-9
EC-10
EC-11
EC-12
EC-7 EC-8
EC-6 EC-3
EC-5 EC-4
RED
BLACK
ORANGE YELLO
W
BR
O
W
N
BLA
CK
GO
V
TO A
CTU
A
T
OR
DRAWING #0E1525