background image

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 B

To B

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

Содержание MURPHYMATIC A900 Series

Страница 1: ...SERIES A900 MURPHYMATIC GENERATOR ENGINE CONTROL SYSTEM DESIGN INSTALLATION AND OPERATING MANUAL A900 9025N Revised 10 99 Section 40 00 02 0197...

Страница 2: ...ot operate during installation Follow all safety warnings of the machine manufacturer Read and follow all installation instructions Certain danger to human safety and to equipment may occur if some eq...

Страница 3: ...4 Installation 14 4 1 Location 14 4 2 Wiring 14 4 3 Crank Disconnect 19 4 4 Pre Operational Check Out 19 Section 5 Operation 21 5 1 Operator Controls 21 5 2 Operating Modes 21 Section 6 Routine Maint...

Страница 4: ...phy c SWICHGAGE A combination indicating gauge and switch d TATTLETALE A term that refers to a shutdown indicating device or circuit in the control panel 1 5 How to use this manual 1 5 1 Section 1 2 4...

Страница 5: ...of a two cycle engine 3 1 7 Table 3 1 7 illustrates the alarm and shutdown require ments of NFPA 110 NFPA99 and CAN CSA C282 M89 and compares the features of the A900 series controls to those require...

Страница 6: ...X X X O O i Control Switch not set in Auto X X X X O O O X X X X X X X X O O j High Battery Voltage X X X O O O X X X O O k Low VoltageBattery X X X O O O X X X X X X X O O l Lamp Test X X X X X X X...

Страница 7: ...preset speed c Oil Pressure tripped by the oil pressure SWICHGAGE if pressure drops below preset point while the engine is running d Water Temperature tripped by the water temperature SWICHGAGE if en...

Страница 8: ...automatic control and the engine start sequence begins 3 3 1 2 Lamp Test Pushbutton Tests the lights on the A 901 2 module 3 3 1 3 Alarm Silence Pushbutton Turns off any audible alarm that is connecte...

Страница 9: ...ill running Since the Overspeed shutdown circuit is activated by the frequency input it prevents the engine from running without overspeed protection g Remote Shutdown this circuit is provided to shut...

Страница 10: ...ntrol Module includes the following engine control features a Cycle crank circuit will crank the engine for 15 seconds then rest for 15 seconds until the engine starts The crank rest time is selectabl...

Страница 11: ...s circuit is provided for an additional alarm that may be required by the user 3 4 2 Relay Module The Relay Module figure 3 4 2 includes all of the control alarm and shutdown relays that are required...

Страница 12: ...is depressed the set point of the speed switch is lowered approximately 10 3 The push to test switch can also be used to set the overspeed switch at approximately 110 of running speed Hold the switch...

Страница 13: ...he Mode Selector Switch is in either Auto or Test When the Mode Selector is turned Off the Control On signal is open This can be used to signal switch position or to reset an external circuit when the...

Страница 14: ...ing With engine speed at 1800 RPM or 3540 Hz g Cooldown circuit this circuit keeps the engine running for five minutes after the transfer switch has removed the load from the generator and signaled th...

Страница 15: ...Test and no shutdown TATTLETALE circuit is latched on This can be used to signal that the generator engine is ready to automatically start or is running in Test 3 6 3 3 The Control On function at term...

Страница 16: ...tdown Circuits provide first out indication of cause of shutdown These circuits deactivate the fuel relay and lockout the A903 until reset Shutdown circuits are activated by the crank disconnect circu...

Страница 17: ...ces recommended for installation 4 1 3 Wiring Terminals Terminal blocks are provided on both sides of the Control Display enclosure and the Relay Module Torque all terminal screws to 12 inch pound max...

Страница 18: ...3 4 in 171 mm 9 3 8 in 238 mm 6 in 152 mm 4 15 32 in 114 mm Mounting Holes 1 8 in 3 mm diameter 1 1 2 in 38 mm clearance 5 in 127 mm maximum between A 900 Series module relay module when mounting 1 7...

Страница 19: ...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...

Страница 20: ...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...

Страница 21: ...dible 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 CR...

Страница 22: ...e to increase setting The adjustments are 20 turn controls without stops at either end 4 4 1 1 Be sure to have a fully charged battery to do these tests Low battery voltage can cause improper results...

Страница 23: ...on and the engine shuts down f Release pushbutton check Overspeed light on front panel to be sure it is on g Turn Mode Selector switch OFF to reset shutdown circuits then back to TEST h When engine s...

Страница 24: ...the Mode Selector switch in the AUTOMATIC position When a start signal is received the engine will start 5 2 3 2 When the start signal is removed the engine will stop It is now ready to restart 5 2 4...

Страница 25: ...put Voltage Input Voltage Input Voltage Input Voltage Input Voltage 13 8 27 6 13 8 27 6 13 8 27 6 13 8 27 6 13 8 27 6 31 6 6 6 6 6 6 6 6 6 6 32 6 6 6 6 6 6 6 6 6 6 33 6 6 6 6 6 6 6 6 6 6 34 6 6 6 6 6...

Страница 26: ...o shutdown the engine and generator a The TATTLETALE light for that function turns on b Shutdown relay K 2 is energized closing its contacts at terminal 9 These contacts can be wired to a shunt trip s...

Страница 27: ...e OEM parts and are available only to Detroit Diesel and their distributors 8 2 1 The A900 DDC parts are the same as the Murphy A900 series that has been covered throughout the A900 manual except the...

Страница 28: ...1722 410697 fax 44 1722 410088 e mail france fwmurphy co uk www fwmurphy co uk francais htm In order to consistently bring you the highest quality full featured products we reserve the right to chang...

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