Instruction Manual
PAGE 42 —MQP20P STANDBY GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (11/28/11)
GENERATOR WIRING DIAGRAM (SINGLE PHASE)
D+
B+
ALTERNATOR
WHT/BLU
10 AWG RED/GRN
STARTER
SOLENOID
WHT
10 AWG ORG
6 AWG RED
6 AWG RED
6 AWG RED
PLUG
BLK
GRN
WHT
CONNECT TO
120 VAC, 60 Hz
POWER
500W
JACKET WATER HEATER
WHT/RED
VOLTAGE REGULATOR
BASLER SE350
7
6
CURRENT
TRANSFORMER
(L2)
CURRENT
TRANSFORMER
(L1)
(SPARE)
5 AMP
5 AMP
NOT USED
F+
F-
EXCITER FIELD
(STATOR)
(+)
(-)
DC INPUT
MAIN FIELD
(ROTOR)
SINGLE PHASE
AC OUTPUT
EXCITER ARMATURE
(ROTOR)
ROTATING RECTIFIER
SINGLE-PHASE
FULL BRIDGE
(+)
(-)
DC
INPUT
MAIN ARMATURE
(STATOR)
T4
L1
T2
T3
T4
L2
NEU.
120 VAC
120 VAC
SINGLE PHASE, 240 VAC
60 Hz OUTPUT
3 4
L2
L1
NOT USED
CONNECT TO LOAD VIA
CAMLOK ASSEMBLY
100 AMP 3-POLE
CIRCUIT BREAKER
#4 AWG WHITE
STAGE AND LIGHTING
CABLE (NEUTRAL)
#4 AWG GREEN
STAGE AND LIGHTING
CABLE (GROUND)
#10 AWG GREEN CONNECT
TO GENERATOR SADDLE
BOX GROUND (BOND) POINT
5 AMP SLOW BLOW
BLK
RED
T1 T2
T3
L2
L1 NEUTRAL
CONNECTION STUD
TERMINAL BLOCK
VOLT
COARSE
STAB
U/F
USE #4 AWG BLACK STAGE AND LIGHTING CABLE (L1)
NOTES:
1
2
1
2
USE #4 AWG RED STAGE AND LIGHTING CABLE (L2)
3
3
USE JUMPER TO SELECT FOR 60 Hz OPERATION
WHT/BRN
BRN/WHT
GREEN
RED/BLK
RED/BLU
RED/YEL
GRY/RED
GRY/WHT
GRY/GRN
GREY
WHT/BLU
WHT/RED
YEL/BRN
REMOTE
VOLTAGE ADJ.
REMOTE
VOLTAGE ADJ.
FUSE
EXITER
FIELD
INPUT
3.5 AMP
BATTERY CHARGER
+12 VOLT
BATTERY
ENGINE GROUND
POINT (E1)
CONNECT TO
120 VAC, 60 Hz
POWER
BLK
GRN
WHT
PLUG
1/0 BLK
10 AWG BLK
10 AWG RED
STARTER
MOTOR
1/0 RED
(B)
(S)
CHASSIS GND
GENERATOR
SADDLE BOX
CIRCUIT BREAKER BOX
PROGRAMMABLE
OUTPUT #1
GLOW PLUG
PROGRAMMABLE
OUTPUT #2
UNUSED
PROGRAMMABLE
OUTPUT #3
UNUSED
29
30
MP2
MAGNETIC
PICKUP
MP1
SH2-WHT
SH2-BLK
SH3-BLK
SH3-RED
GAC 5500
GOVERNOR
CONTROLLER
WHT/RED
WHT
BLU/BRN
BLU/BRN
SH1-SHD
SH1-BLK
SH1-WHT
THOMPSON TECHNOLOGY
MEC20 CONTROLLER
RED/GRY
WHT/RED
RED/GRY
WHT/BLU
RUN
RUN
CRANK
CRANK
19
18
23
24
TWISTED PAIR
SH1-SHD
RED/GRY
WHT/GRY
31
32
34
35
PROGRAMMABLE
OUTPUT #4
UNUSED
COMMON FAIL
21
22
25
26
BATT +
B+
YEL/BLU
BLU/ORG
GRN/BLU
BLU
YEL/WHT
YEL/RED
YEL/ORG
YEL
RED/GRY
RED/GRY
WHT/GRN
WHT
PUR/WHT
38
B-
B-
BATT -
GND.
ENGINE TEMP SEND
OIL PRESS. SEND
GRY/RED
WHT
WHT
37
3
2
INPUT #3
LOW FUEL WARNING
INPUT #2
RUPTURE BASING WARNING
INPUT #1
LOW COOLANT LEVEL
1
PURPLE
WHT/BLK
BLK/GRY
BLK/ORGWHT
LOW COOLANT
RELAY
13 14
BLK/PINK
5
9
WHT
19
21
22
9
10
20
BLK/ORG
WHT/BRN
BRN/WHT
GREEN
RED/BLK
RED/BLU
RED/YEL
GRY/RED
GRY/WHT
GRY/GRN
GREY
BLK/WHT
BLK/YEL
CT COM
CT L3+
CT L2+
CT L1+
GEN L1
GEN L2
GEN L3
GEN NEU.
IN
IB
IC
IA
VA
VB
VC
VN
REMOTE START
REMOTE START
16
17
TB1
B+
B-
GND.
J2
J17
J1
CAT 5 ETHERNET
J6
8
REMOTE ST AR T CONT ACTS
CLOSE TO ST AR T IN AUTO
LOW COOLANT
LEVEL SENSOR
OPEN WHEN WET
CLOSED WHEN DRY
BLUE
RED
WHT/RED
BLACK
(E1)
(E1)
(E1)
G
G
(E1)
23
24
25
26
30
29
28
27
31
32
CASE GROUNDED
GLOW PLUG
ELEMENTS
GLOW PLUG
RELAY
LOW FUEL SWITCH
OIL PRESSURE SENDER
COOLANT TEMPERATURE
SWITCH
RUPTURED BASIN SWITCH
11
12
13
14
15
10 AMP
1
2
3
SH1-BLK
SH1-SHD
SH1-WHT
TWISTED PAIR
BLU/BRN
WHT/GRY
6 AWG BLU
(E1)
6 AWG RED
126
FLYWHEEL
GEAR TEETH
MAGNETIC
PICK-UP
BRN/BLU
BRN/BLU
WOODWARD
GOVERNOR
ACTUATOR
ENGINE GROUND
POINT (E1)
17
6
5
4
16
WHT/BLU
WHT/RED
WHT
7
3 AMP DIODE
47 OHM, 5W
TB1
G 10
10 AWG RED/GRN
FREQUENCY ADJUST
POTENTIOMETER
5K OHM 10 TURN
YEL/BRN
35
18
33
34
36
37
38
39
40
THOMPSON MEC20
EXPANSION MODULE
TB1
VOLTAGE FINE ADJUST
POTENTIOMETER
2K OHM 10 TURN
(SPARE)
WHT/GRN
14 AWG RED/GRY
(R1)
BRN/WHT
1
2
3
WHT/BRN
cw
3
2
1
CONTROL BOX
GREEN
RED/BLK
RED/BLU
RED/YEL
GRY/RED
GRY/WHT
GRY/GRN
GREY
PUR/WHT
PURPLE
WHT/BLK
BLK/GRY
BLU/BRN
(E1)
CUSTOMER CONNECTIONS
CONNECT DIRECTLY TO EXPANSION
MODULE TERMINALS
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
A1
B1
C1
D1
E1
F1
G1
H1
100:5
100:5