Murphy WIR-97020B User Manual

WIR-97020B page 1 of 2

Typical Wiring Tech Sheet for
Magnetic Switches and
TATTLETALE®Annunciators

WIR-97020B

Revised 10-06

Section 25

(00-02-0257)

Typical Wiring Diagram with 117/117PH Magnetic Switch

Typical Wiring Diagram with MS2100 TATTLETALE

®

20P

Pressure

Distributor

Fuel Valve

Rack Pull Solenoid

(RP2300 Series shown)

Ignition coil

20T

Temperature

PB128S Stop Switch

Energized

to Run

C

117/117PH

S

B

+

Ammeter

BAT

ST

IGN

ACC

Start Switch

Hourmeter

+

+

Voltmeter

_

_

_

S

B

Starter

_

+

Battery

B

+

GRDSIG

Tachometer

To Magnetic Sensor,
Alternator “Tach”
Terminal, or
Signal Generator

B

+

Exciter

Alternator

20P

Pressure

MS2100MS2100

Typical Power

Adaptor

GAAS

Ignition Generator

“Kill”

Wire

1

4

5

Spark Plugs

Ignition Coils

6 2 3

16 2 3

4

5

20T

Temperature

WIR-97020B page 2 of 2

Typical Wiring Diagram with 760A and 761APH

Typical Wiring with 518PH TATTLETALE

®

CONTROL SYSTEMS & SERVICES DIVISION

P.O. Box 1819
Rosenberg, Texas 77471 USA
Phone: [phone] Fax: [phone]
E-mail: [e-mail]
Web site: www.fwmurphy.com

FRANK W. MURPHY, LTD

Church Rd Laverstock
Salisbury SP1 1QZ UK
Phone: [phone] Fax: [phone]
E-mail: [e-mail]
Web site: www.fwmurphy.co.uk

COMPUTRONIC CONTROLS, LTD

41 - 43 Railway Terrace Nechells
Birmingham B7 5NG UK
Phone: [phone] Fax: [phone]
E-mail: [e-mail]
Web site: www.computroniccontrols.com

FW MURPHY INSTRUMENTS (HANGZHOU) CO. LTD

77 23rd Street
Hangzhou Economic & Technological Development Area
Hangzhou, Zhejiang, 310018, China
Phone: [phone] Fax: [phone]

FW MURPHY

P.O. Box 470248
Tulsa, Oklahoma 74147 USA
+1.918.317.4100 Fax: [phone]
E-mail: [e-mail]

INDUSTRIAL PANEL DIVISION

Fax: [phone]
E-mail: [e-mail]

MURPHY POWER IGNITION

Web site: www.murphy-pi.com

www.fwmurphy.com

Printed in U.S.A.

518PH

20T-F

Temperature

Energized

to Run

G NORNC

**

SW1 SW2

Jumper

B

*

Start Switch

Distributor

Fuel Valve

20P-F

Pressure

PB128S Stop Switch

Ignition coil

Ammeter

BAT

ST

IGN

ACC

CLOSEDLOOP™ Wiring

Hourmeter

_

+

_

+

Voltmeter

_

+

S

B

Starter

_

+

Battery

*

B

+

GRDSIG

Tachometer

To Magnetic Sensor,
Alternator “Tach”
Terminal, or
Signal Generator

B

+

Exciter

Alternator

Rack Pull Solenoid (RP2300 Series shown)

*

Jumper is to be removed when connecting a CLOSEDLOOP™ circuit.

**

Normally Opened terminal is available on the 518APH & 518E models.

GNONC BS

R

760A/761APH

TD

+

Ammeter

BAT

ST

IGN

ACC

Start Switch

Hourmeter

Voltmeter

_

Distributor

Flyback

Diode

Rack Pull 
Solenoid
(RP2300 
Series shown)

Fuel

Valve

20P

Pressure

Temperature

PB128S Stop Switch

Flyback

Flyback

20T

Ignition 
Coil

Diode

Diode

NOTE 1

Normally Open

Relay with 

Flyback Diode

Energized

to Run

NOTE 1: With terminal “G” grounded, the time delay operates only on start; after the initial
time delay, the shut-down circuit is operated immediately when SWICHGAGE
With terminal “G” not grounded, the time delay operates both on start and stop.

+

+

Starter

Tachometer

B

_

_

+

Battery

S

B

+

GRDSIG

To Magnetic Sensor,
Alternator “Tach”
Terminal, or
Signal Generator

_

B

Exciter

Alternator

®

contact operates.

+