12
OPM-103
REV B
ENGINE CONTROL PANEL LAYOUT
MANUAL KEY START
A. Four position start switch
1. Preheat - This position is used on the DE20 and DE30 only. With
the switch in this position the glow plugs on the engine are activated.
2. Off - In this position all power to the engine is turned off and the
engine is stopped.
3. Run - With the switch in this position the fuel solenoid and the fuel
pump on the engine are activated. A 12 Volt signal is also being
sent to the Voltage regulator on the engine alternator to activate it.
4. Start - This position on the switch will activate the starter on the
engine to start it.
B. Check engine light
This light will come on when the low oil pressure switch or the high
water temperature sensor come on when you go to start the engine.
This will also come on when you go to start the engine. This light will
also come on when you go to start the engine and stay on until the
engine has built sufficient oil pressure to open the low oil pressure
switch.
C. Running the meter
This meter records the actual hours of the engine operation.
D. 25 Amp fuse
This fuse protects all the DC wiring in the engine control panel and on
the engine. If this fuse is blown, nothing will work on the engine.
E. Safety latching relay
This safety latching relay provides the 12 Volt DC power to the fuel
solenoid and the engine alternator field circuit during normal operation.
If the system experiences a low oil pressure fault or a high water
temperature fault, this relay will trip, disconnecting the furl solenoid
A
B
C
D
E
A
B
C
D
E
and shutting down the engine. When tripped, the button on the panel
will extend out about 1 inch. This button must also be held in during
starting until the check engine light goes out.
INITIAL START UP
MANUAL KEY START
Use the following check list to verify correct installation before starting
the engine.
□
Engine oil. Fill as required with proper grade/qty.
□
Engine coolant. Fill as required with proper mixture.
□
Unit mounting base properly bolted down.
□
Clearance for service and maintenance on all sides.
□
Proper fuel line material and size.
□
All fuel line connections tight.
□
Battery connections clean and tight
□
Battery fully charged.
□
All AC and DC wiring installed and properly protected.
After completing the previous checklist, the engine-generator set is
ready for the initial start-up test.
STARTING PROCEDURE
1. Rotate start switch (A) to the preheat position and hold for 10
seconds. NOTE: This step applies to the DE20 & DE30 ONLY.
2. Rotate the start switch (A) to the Run position. Then while
depressing the Safety Latching Relay button (E) rotate the switch to the
Start position. At this point the starter should engage and the unit will
start.
3. As the unit starts, release the Start Switch and it will return to the
run position. You must continue to depress the Safety Latch Relay
button until the Check Engine light goes out. When this light goes out,
it indicates that the engine has built sufficient oil pressure to operate
properly and the high coolant temperature has not been exceeded.
WARNING: EQUIPMENT DAMAGE:
Do not depress the safety latching relay button for over 10 seconds.
If the light has not gone out in 10 seconds, it indicates that either
the engine has not built oil pressure or the coolant temperature has
exceeded the allowable maximum.
4. After the engine is up to and running, the circuit breaker can be
closed to power your loads. During periods of very cold operation, it is
best to let the engine warm up for a few minutes before applying load.
5. When stopping the unit, it is best to turn off all of the loads before
turning the Start Switch to the off position. This prevents your loads
from getting low Voltage while still running during unit shutdown.
If for any reason during operation the oil pressure should drop below
