Discontinued – Murphy Series A900 User Manual

Page 19

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15

26

4

27
28

4

29
30
31
32
33
34

47
48
49
50
51
52

B+ OUT

HOURMETER

B-

MANUAL START

START

PICKUP

PICKUP

OIL PRESSURE

LO WATER TEMP.

HI WATER TEMP.

REMOTE S.D.

SPARE ALARM

35
36
37
38
39
40
41
42
43
44
45
46

ALARM SILENCE

AUDIBLE ALARM

OVERCRANK

OVERSPEED

OIL PRESSURE

HI WATER TEMP.

REMOTE SHUTDOWN

SPARE SHUTDOWN

LOSS OF SPEED

LO WATER TEMP.

SPARE ALARM

SWITCH NOT IN AUTO

53
54
55
56
57
58

LOW FUEL LEVEL

HIGH BATTERY VOLTAGE

LOW BATTERY VOLTAGE

LOW OIL PRESSURE PREALARM

HI WATER TEMP. PREALARM

BATTERY CHARGER AC FAILURE

Hourmeter

Voltmeter

Remove jumper from
4 and 27 to use
manual start switch

B+

1A

A B C D E F G H I J K L M N

4
5
6
7
8
9

10
11
12
13
14

15

4

16
17
18
19
20
21
22
23
24
25

+ -

B

Remote
Visual
Alarm

G

Over
Speed
Relay

C

Remote
Audible
Alarm

H

Shut
Down
Relay

D

Local
Audible
Alarm

I

Fuel
Relay

J1

J2

Q2

Q1

J1G

Red

Blk

LOW WATER LEVEL

REMOTE VISUAL

REMOTE AUDIBLE

LOCAL AUDIBLE

N.C.

N.C.

OVERSPEED RELAY

SHUTDOWN RELAY

FUEL RELAY

CRANK RELAY

AUX. CRANK DISCONNECT

N.C.

CONTROL ON

SYSTEM READY

FUSED B+

B-

Energize to Stop solenoid

Energize to Run solenoid

Breaker Shunt trip coil

To Battery +

To Battery +

Control on sink 200 mA MAX

System ready sink 200 mA MAX

Auxiliary crank
disconnect
relay

B+

B-

Crank relay

Optional Run relay and Remote signal

Local audible alarm

Remote audible alarm

Power supply

Power supply

Power supply

Remote visual alarm

AUTO START

MODULE

LEVEL 1 ALARM

Output
Barrier

Terminal

Blocks

Input
Barrier
Terminal
Blocks

Spare shutdown

Battery

Starter

Alternator

Alternator Excitor

Auxiliary Starter

Solenoid

Drawing Revision C

Optional

Air Damper

Solenoid

*

Fuel Pressure Switch

*

Air damper closed
on a 2-cycle engine

NOTE 1: Fuel Pressure Switch and Air Damper Solenoid
are used on a 2-cycle engine

NOTE 2: Place Reverse Bias Diodes across inductive loads.

NOTE 2

NOTE 1

NOTE 2

NOTE 2

NOTE 2

NOTE 2

8A

Circuit

Breaker

Çontrol on source 200 mA MAX

3A Fuse

MDQ3

100K

D9

Q3

D8

Figure 4-2.3.1: A901 wiring

16

DISCONTINUED

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