Circuits

SC

Starting coil magnetic switch before Self starter to activate self starter.

FSC

Solenoid valve for diesel fuel near Governor.

FSRO

Timer switch to disconnect self after a predetermined time.

CFR

Cooling failure Relay. Engine safety interlock achieved through this.

This relay protect engine from

1.Low oil pressure (Mobile).

2.High Temperature.

3.Over speed.

4.Alternator Earth fault.

LOP

Lubricating oil pressure low protection circuit.

ICLOP

Pressure switch (sensor) at Engine.

ICHT

Temperature switch(sensor) at Engine.

ICOS

Over speed switch at Engine.

AFR

Alternator failure relay. Protects from the following.

1.Under voltage.

2.Earth Fault.

3.Overload (ACB)

Engine RPM variation

Use Rise and Lower push button one at a time to raise or lower the RPM.

! DO NOT USE BOTH AT A TIME.

Throttle Motor is a 24 V DC motor fixed at Engine Governor.

AEL 1

Alternator Earth fault Relay.

UVR

Under voltage Relay.

FM

Frequency meter.

21 K19 : 24V Dc contactor which is on with main 24V control ON switch.

21 K5 and 21 K6 are plant selector interlock.