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Operation 4‐33MN2408
Figure 4‐21 Engine Control Connections
1
2
3
4
5
6
7
8
9
10
11
12
17
16
15
14
13
38
37
GRD
CR
MP2
MP1
19
18
24
23
B -
B +
+-
CRANK
RUN
25
26
27
28
29
30
31
32
33
34
24
35
36
22
21
20
PROGRAMMABLE
CONTACT #4
PROGRAMMABLE
CONTACT #3
PROGRAMMABLE
CONTACT #2
PROGRAMMABLE
CONTACT #1
COMMON FAIL CONTACT
(OPERATES ON AN ALARM OR
SHUTDOWN CONDITION)
IN
IC
IB
IA
VN
VC
VB
VA
VC
VB
VA
1A
1A
1A
N
GRD
GENERATOR OUTPUT
CURRENT SENSING
TRANSFORMERS
5 Aac SECONDARY
(DELETE PHASE C
FOR SINGLE PHASE
SYSTEMS)
10A
GENERATOR
OUTPUT VOLTAGE
(DELETE PHASE VC
FOR SINGLE PHASE
SYSTEMS)
MEC 20
RUN CIRCUIT
(FUEL SOL., GOV.)
GRD
DIGITAL FAULT INPUT
CONTACTS
(MEC 2 = 1-4
MEC20 = 1-12)
REMOTE START CONTACT
REMOTE FAULT RESET
(CLOSE TO RESET)
REMOTE EMERGENCY STOP
(CLOSE TO STOP)
ENGINE TEMPERATURE SENDER
OIL PRESSURE SENDER
SPEED SENSING
MAGNETIC PICKUP
RUN CIRCUIT
CRANK PILOT RELAY
A
B
C
12VDC (24VDC)
STARTING
BATTERY
(25, 26, 27 Not used in MEC 2)
(Not used in MEC 2)