3.2.3 Tuning
Related to the contract the engine has one of the tuning options that follow (refer to Figure 3-4):
•
Standard tuning
The standard tuning gives a good fuel consumption over the full engine power range.
•
Delta tuning
The delta tuning decreases the fuel consumption below 90% engine power compared to
standard tuning. But it increases the fuel consumption between 90% and 100% of engine
power.
•
Delta bypass tuning
The delta bypass tuning decreases the fuel consumption below 50% engine power
compared to delta tuning. For more than 50% of engine power the fuel consumption is
the same as delta tuning, but the steam production is increased.
•
Low-load tuning
The low-load tuning decreases the fuel consumption below 75% engine power compared
to delta tuning or delta bypass tuning. But it increases the fuel consumption between 90%
and 100% of engine power compared to delta tuning.
Fig 3-4 Tuning options
X92DF
AA00-0000-00AAA-020C-A
Operation Manual Use of the engine
Winterthur Gas & Diesel Ltd.
- 70 - Issue 002 2020-08
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