Generator Set Control + (1) – The generator set
control + (GSC+) is the main component of the
EMCP II+. See the topic “Generator Set Control +
(GSC+)” in this section.
Alarm Module (2) – The alarm module (ALM) is
optional. The function of ALM is to provide a visual
and audible warning of engine conditions before
these conditions become severe enough to shut the
engine down or keep the engine from starting.
Custom Alarm Module (3) – The custom alarm
module (CAM) is optional. The purpose of the CAM is
to annunciate faults, alarms or other conditions from
customer supplied inputs.
Panel Light Switch (4) – The panel lights switch
(PLS) turns the panel lights (7) on or off.
Pump Stop Switch (5) – The pump stop switch is
optional with 3406E and 3412C generator sets only.
This push button switch is used with the generator
mounted automatic fuel transfer system, if equipped.
The pump stop switch is used to manually stop the
fuel transfer pump. This switch is latched down when
pushed. The red indicator will now be ON. The switch
can be reset by pressing the switch again. The red
indicator will now be OFF.
Start Aid Switch (6) – The start aid switch (SAS) is
optional. The SAS is used to inject ether into the
engine when you are starting the engine in cold
weather conditions. When the SAS is in ON position,
the switch energizes the starting aid solenoid valve
(SASV) and meters a specific amount of ether in a
holding chamber. When the SAS is released, the
solenoid releases the ether to the engine.
NOTICE
The engine must be cranking before using the start
aid switch. Damage to the engine is possible if ether
is released to the engine but not exhausted or burned
by the engine when cranking.
Panel Lights (7) – Panel lights (PL) are controlled by
panel lights switch (4). The panel lights switch (4) is
an ON/OFF switch.
Pump Run Switch (8) – The pump run switch is
optional. This momentary push button switch is used
with the generator set mounted automatic fuel
transfer system, if equipped. Pushing this switch will
cause the generator set mounted fuel transfer pump
to fill the generator set day tank. The green indicator
will be ON when the pump is running. The pump will
automatically shut OFF when the fuel reaches the
high fuel level. The pump can also be turned OFF
manually by the pump stop switch (5). The pump stop
switch must be reset. Reset the pump stop switch by
pressing the switch again.
Voltage Adjust Rheostat (9) – The voltage adjust
rheostat (VAR) is used to adjust the generator output
voltage to the desired level.
Speed Potentiometer (10) – The speed
potentiometer (SP) is optional. The SP can be used
with the generator set that has an electric governor.
When the governor is equipped with a speed adjust
motor, the governor switch (GS) can be mounted
instead of the SP. The GS is used to raise or lower
the engine speed and frequency. The GS is also an
option.
Emergency Stop Push Button (11) – The
emergency stop push button (ESPB) is used to shut
down the engine during an emergency situation. The
ESPB shuts off the fuel and activates the optional air
shutoff, if equipped.
Engine Control Switch (12) – The engine control
switch (ECS) determines the status of the control
panel. In the AUTOMATIC position (3 o'clock), the
engine will start automatically whenever a remote
initiating contact is closed. The engine will shutdown
after the initiating contact opens and after a
programmable cooldown time has elapsed. The
cooldown time can be programmed to give a 0 to 30
minute cooldown period before the engine shuts
down.
In the MANUAL START position (6 o'clock), the
engine will start and run as long as the ECS switch
remains in this position.
In the STOP position (9 o'clock), the fuel solenoid
shuts the engine down, after a programmable cool
down time period has elapsed.
In the OFF/RESET position (12 o'clock), the fault
lights are reset and the engine shuts down
immediately.
Caterpillar Monitoring System (35) – This system
is the information center for the engine and related
components. See the Operation Section, “Caterpillar
Monitoring System” for more information.
Below, you can find the descriptions of the following
main modules of the EMCP II+:
• Generator Set Control + (GSC+)
• Alarm Module (ALM)
• Custom Alarm Module (CAM)
44
SEBU7125-13
Operation Section
If Equipped
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