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97020B page 2 of 2
760A/761APH
GNONC BS
TD
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
®
contact
operates. With terminal “G” not grounded, the time delay operates both on start and stop.
NOTE : The 760A cannot be adequately protected by a circuit breaker in a dead short condition with a battery
as the power source. The circuit breaker will take a finite amount of time to react, during which time the
circuit board of the 760A will be damaged beyond repair. Fuses are the optimal method for protecting the 760A.
B
+
GRDSIG
_
+
Ignition
Coil
Distributor
Normally Open
Relay with
Flyback Diode
Flyback
Diode
Flyback
Diode
Flyback
Diode
Rack Pull
Solenoid
(RP2300
Series shown)
Tachometer
Hourmeter
Voltmeter
20T
Temperature
20P
Pressure
Ammeter
Battery
_
+
_
+
_
+
ST
ACC
IGN
BAT
Start Switch
Alternator
To Magnetic Sensor,
Alternator “Tach”
Terminal, or
Signal Generator
B
+
Energized
to Run
PB128S Stop Switch
Starter
S
B
Exciter
R
Fuel
Valve
Typical Wiring Diagram with 760A and 761APH
G NO
R
NC
SW1 SW2
B
518PH
Jumper
*
B
+
GRDSIG
_
+
Ignition coil
Distributor
Fuel Valve
Rack Pull Solenoid (RP2300 Series shown)
Tachometer
Hourmeter
CLOSEDLOOP™ Wiring
*
Voltmeter
20T-F
Temperature
20P-F
Pressure
Ammeter
Battery
_
+
_
+
_
+
ST
ACC
IGN
BAT
Start Switch
Alternator
To Magnetic Sensor,
Alternator “Tach”
Terminal, or
Signal Generator
B
+
Energized
to Run
Starter
S
B
Exciter
PB128S Stop Switch
*
Jumper is to be removed when connecting a CLOSEDLOOP™ circuit.
**
Normally Opened terminal is available on the 518APH & 518E models.
**
Typical Wiring with 518PH TATTLETALE
®
FRANK W. MURPHY, LTD
Church Rd Laverstock
Salisbury SP1 1QZ UK
Phone: +44 172 241 0055 Fax: +44 172 241 0088
E-mail: sales@fwmurphy.co.uk
Web site: www.fwmurphy.co.uk
COMPUTRONIC CONTROLS, LTD
41 - 43 Railway Terrace Nechells
Birmingham B7 5NG UK
Phone: +44 121 327 8500 Fax: +44 121 327 8501
E-mail: info@computroniccontrols.com
Web site: www.computroniccontrols.com
FW MURPHY INSTRUMENTS (HANGZHOU) CO. LTD
77 23rd Street
Hangzhou Economic & Technological Development Area
Hangzhou, Zhejiang 310018 China
Phone: +86 571 8788 6060 Fax: +86 571 8684 8878
FW MURPHY INTERNATIONAL TRADING (SHANGHAI) CO., LTD.
Suite 1784, Tower B, City Center of Shanghai; 100 Zunyi Road
Shanghai, 200051 China
Phone: +86 21 6237 2082 Fax: +86 21 6237 2083
E-mail: mhong@fwmurphy.com
FW MURPHY
P.O. Box 470248
Tulsa, Oklahoma 74147 USA
+1 918 317 4100 Fax: +1 918 317 4266
E-mail: sales@fwmurphy.com
INDUSTRIAL PANEL DIVISION
Fax: +1 918 317 4124
E-mail: ipdsales@fwmurphy.com
MURPHY POWER IGNITION
Web site: www.murphy-pi.com
CONTROL SYSTEMS & SERVICES DIVISION
P.O. Box 1819
Rosenberg, Texas 77471 USA
Phone: +1 281 633 4500 Fax: +1 281 633 4588
E-mail: sales@fwmurphy.com
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