18 Operation
Mk8 MM Manual Page | 336
18.10.3 EGA – Efficiency
Figure 18.10.3.i EGA – Efficiency
Press in the EGA Gas screen in Figure 18.10.1.i to view the EGA Efficiency screen, which shows
the combustion efficiency history calculated by the EGA.
The combustion efficiency is not displayed when the O
2
value is above 15.0% O
2
.
Note: The combustion efficiency calculated by the EGA can be displayed as a net or gross value, depending
on the setting on the EGA.
This data is logged for 24 hours on the MM. Use the buttons to change the timescale of the data
displayed and press and drag on the axis to zoom in/out of the graph.
This information is logged for 2 years on the DTI when connected with the MM.
Note: Power cycling the MM or changing fuel will reset the 24-hour history data log on the MM.
Press to force the EGA into an air calibration when it is next in a safe condition (not trimming and
span gas calibration).
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