Machine Systems Diagrams - Ingersoll-Rand 7/120 Operation And Maintenance Manual

MACHINE SYSTEMS
KEY
BAT Battery
CO RS232C comms
ECON Engine controller
IG Isochronous governor
J50–G2 Wait to start lamp
J50–K3 Inlet heater
P51 Coolant temp
P52 Inject
P53 Crank sensor
P54 Fuel temp
P55 Manifold air temp
P56 Oil pressure
POUT1 Engine key switch
POUT2 Solenoid, start/run
POUT3 Comp fault lamp
POUT4 Engine fault lamp
POUT5 Start relay
POUT6 Spare
POUT7 Hour meter
POUT8 Spare
7/120 (P425AWIR), 9/110 (XP375AWIR), 10/105 (HP375AWIR), 14/85 (VHP300AWIR),
7/170 (P600WIR), 10/125 (HP450WIR), 14/115 (VHP400WIR)
PT1 Pressure transducer, separator tank 0–500 PSIG
PT2 Pressure transducer, regulation system 0–100 PSIG
PM Plug, machine ID
R3 Idle sel
RS Relay–spst
RT1 Thermistor, seperator tank temperature –30 – 255_F
RT2 Thermistor, airend discharge temperature –30 –
255_F
SI Switch inputs
SM Starter motor
SW1 Spare
SW2 Display scroll
SW3 Low fuel shutdown
SW4 Switch, service air
SW5 Air filter rest (option)
SW6 Spare
SW7 Spare
SW8 Switch, start
TE Transducer exitation
WCON Wedge controller
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