Control and operation
90
Read this manual carefully before starting any work!
This is particularly applicable to the chapter “General Safety Instructions”
and the respective safety instructions in the chapters.
9.3 Aftertreatment/emissions history/error print process
9.3.1 Aftertreatment system
The MAN aftertreatment system comprises key components to maintain the necessary emissions limit
values (U.S. EPA Tier 4 Marine). This section deals with all issues relating to the aftertreatment system in
conjunction with handling the operator request system (display).
The aftertreatment and emissions history page is only retrievable in the case of engines with aftertreatment
system.
Manual path
The sub-menu of the aftertreatment system is
called up via the Home button and subsequent
activation of the aftertreatment button
Aftertreatment system page
The following values can be retrieved in the sub-menu “Aftertreatment system”:
The following values can be queried:
Page 1 (bank A):
S Exhaust gas temperature downstream of
exhaust gas turbocharger A
S Exhaust gas back pressure A
S DEF/AdBlue
®
/AUS32/AUS40 fill level *
S DEF/AdBlue
®
/AUS32/AUS40 temperature *
S DEF/AdBlue
®
/AUS32/AUS40 dosing A
S Temperature downstream of SCR
* Query only possible on page 1.
Page 2 (bank B):
S Exhaust gas temperature downstream of
exhaust gas turbocharger B
S Exhaust gas back pressure B
S DEF/AdBlue®/AUS32/AUS40 dosing B
S Temperature downstream of SCR
Notice:
S MAN Marine V-engines (e.g. V12) are equipped with 2 aftertreatment systems, one for each bank.
All values of bank A are shown on the first page of the sub-menu, and all values of bank B are shown
on the second page.
S MAN Marine inline engines (e.g. R6) are equipped with an aftertreatment system. The first page
displays all available values for the aftertreatment system of an R6 (inline).
S The aftertreatment and emissions history page (see under 8.3.3) can only be retrieved for engines with
aftertreatment system.
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