Murphy VS2 Installation Instructions Manual page 7

WARNING:
REMOVE POWER BEFORE OPENING THE UNIT (ACCESS DOOR). STOP THE MACHINE AND DISCONNECT ALL
ELECTRICAL POWER BEFORE BEGINNING THE WIRING OPERATION. IT IS YOUR RESPONSIBILITY TO HAVE A QUALIFIED
PERSON INSTALL AND WIRE THE UNIT, AND MAKE SURE IT CONFORMS WITH NEC AND APPLICABLE CODES.
VS2 and VS2C
Typical Wiring Diagram for Single or Dual CD Ignition
SPDT Switch
Contacts shown in the RESET position.
NO1 NC
CD Ignition
2
Resistor
(100 Ω, 3 Watt)
CD Ignition
1
VS2EXR and VS2EXRB
Typical Wiring Diagram for Single or Dual CD Ignitions
Remote Reset
Momentary
Push Button
115 VAC or
24 VDC ( Voltage
is specified
when ordered).
CD Ignition
2
Resistor
(100 Ω, 3 Watt)
CD Ignition
1
VS2, VS2C, VS2EX, VS2EXR, VS2EXRB and VS94
Typical Wiring Diagram for Electric Motors
NOTE: Terminal N.O. is
N.O.
terminal NO1 on models
(see Note)
VS2 and VS2C.
L1 L2 L3
MOTOR
ELECTRICAL
COM NO2
To good
engine ground
SPDT Switch
†
(Optional 2-SPDT [DPDT])
Contacts shown in the
RESET position
To good
engine
ground
N.O. N.C. COM
† Additional
Switch
Optional
on VS2EXRB
N.O. N.C. COM
only
To good
engine ground
Contacts shown
Switch Terminals
in the RESET position
N.C. COM
Push-button
Station
HC
A
H
Hand Off
Automatic
Selector
HC
VS-7037N page 7 of 8
VS2EX
Typical Wiring Diagram for Single or Dual CD Ignitions
(Optional 2-SPDT [DPDT])
CD Ignition
2
Resistor
(100 Ω, 3 Watt)
CD Ignition
1
Typical Wiring Diagram for Single or Dual CD Ignitions
Time Delay or
Remote Reset
Momentary
(Optional)
Contact for
115 VAC or 24 VDC *
Remote
Reset only
Maintained
Time
Contact for
Delay
Time Delay
115 VAC or
24 VDC *
Heater Board
* Voltage is specified
(Optional)
when ordered.
CD Ignition
1
VS2, VS2C, VS2EX, VS2EXR, VS2EXRB and VS94
Typical Wiring Diagram for Distributor Ignition or Diesel
NOTE: Terminal N.O. is
N.O.
terminal NO1 on models
(see Note)
VS2 and VS2C.
Diesel Fuel
Shutoff Valve Ignition Coil
SPDT Switch
†
Contacts shown in the
RESET position
To good
engine
ground
N.O. N.C. COM
COM
N.O. N.C.
To good
engine ground
VS94
2-SPDT
Switches (DPDT)
Contacts shown in the
RESET position
N.O. N.C. COM
COM
N.O. N.C.
To good
engine ground
CD Ignition
2
Resistor
(100 Ω, 3 Watt)
Contacts shown
Switch Terminals
in the RESET position
N.C. COM
Ignition
Switch
Ammeter
Battery
Distributor
To good
engine
ground