Tab 6-35 USER PARAMETERS
Item Function Effect
001 START AST button Starts the engine in astern direction (for reversible engine)
002 STOP button Stops the engine
003 START AHD button Starts the engine in ahead direction
004 CTRL. TR. button Sends a signal for a control transfer to this LDU-20
005 SLOWTURN button Puts the engine in slow turning mode
NOTE: The engine goes back to stopped mode after it has
operated for some turns.
006 AIR RUN button Starts the air run mode of the engine
NOTE: The engine is in air run mode as long as you press
the AIR RUN button.
007 Slow turning / Slow turning failure
indications
Shows the slow turning status. When the slow turning mode is
active, the related indicator is on. When there is a slow turning
failure, the related indicator is on.
008 Angle determination / Angle deter-
mination failure indication
Shows the angle determination status. When the crank angle
determination algorithm (ADA) mode is active, the related indi-
cator is on. When there is a crank angle determination failure,
the related indicator is on.
009 FQS Manually adjust the parameter for the fuel quality setting
(FQS) from -5° to +5°
•
A negative correction angle makes an earlier injection
start and thus increases the maximum firing pressure.
•
A positive correction angle makes a later injection start
and thus decreases the maximum firing pressure.
010 VIT button Sets to ON and OFF the variable injection timing (VIT)
011 Index button Opens the INDEX page
012 Heavy Sea Mode button Sets to ON and OFF the heavy sea mode
NOTE: This function sets the fuel rail pressure to a constant
value to make the pressure control more stable. All
injection valves are in operation.
013 EWG Open button Opens and closes the exhaust waste gate
NOTE: This button is only applicable for a binary exhaust
waste gate.
014 Manual fuel pump cut off button Sets the related fuel pump operation mode:
•
Auto - automatic mode (usual operation)
•
On - fuel pump is manually set to ON
•
Off - fuel pump is manually set to OFF
015 Reset button Resets a failure for angle determination or slow turning
X92DF
AA00-9606-37AAA-043B-A
Operation Manual LDU-20 page - USER PARAMETERS
Winterthur Gas & Diesel Ltd.
- 373 - Issue 002 2020-08
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