Fig 4-16
LP SCR system - principal control configuration
E72
PCS
ECR
Engine room
(E73)
E71
E70
AMS
ECS
Signals
External main
control panel
4.12.3.1
Messages of the LP SCR control system
The LP SCR control system gives three messages to the alarm and monitoring system (AMS).
The messages are as follows:
•
LP SCR ON - This message shows that the LP SCR system is set to ON and thus urea is
injected.
•
LP SCR minor failure - This message shows a failure that does not have an effect on LP
SCR system operation.
•
LP SCR major failure - This message shows a failure that has an effect on LP SCR system
operation. The LP SCR control system stops the LP SCR system operation and changes
to Tier II mode.
X92-B
AA00-9270-00AAA-043B-A
Operation Manual
LP Selective catalytic reduction system
Winterthur Gas & Diesel Ltd.
- 97 -
Issue 002 2021-11
Содержание X92-B
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