V3: Gas Block Blow Off Valve
V4: Window /Gas Shutdown Valve
V5: Gas Block Purge Valve Inert Gas System
V6: Inert Gas Supply Valve
V9: Inert Gas Block Valve
2. Abbreviations
GI-ECS Gas Injection – Engine Control System
ME-ECS Electronically Controlled Engine – Engine Control System
GMOP Gas Main Operating Panel
GPCU Gas Plant Control Unit
GECU Gas Engine Control Unit
GCCU Gas Cylinder Control Unit
GPSU Gas Plant Safety Unit
GCSU Gas Cylinder Safety Unit
Gas Shutdown Immediately stop of gas injection
– continued operation on fuel oil.
Handled by Gas Safety System
(Followed by a gas blow off and an inert gas purging sequence)
Gas Stop Normal changeover from gas mode to fuel oil mode
– continued operation on fuel oil.
Handled by Gas Control System
(Followed by a gas blow off and a inert gas purging sequence)
Info no. Sub category Ident. no.
3092815 - 7
Title
Dual Fuel Operation Page no.
4 (28)
Date Des. Chk. Appd. A. C. Change/replacement C. no.
2011-03-16 JAB JAB ER Document transferred to template. 0
ELWI Electrical Window and Gas Shutdown valve (pilot valve)
ELGI Electrical Gas injection valve (pilot valve)
GI valve Gas injection valve
HC Sensor Hydro Carbon Sensor
ME Engine The Electronically Controlled Engine - excluding the gas system.
FMEA Failure Mode Effect Analysis
P&I Process and Instrumentation diagram
TDC Top Dead Center
Gas Train Double block and bleed valves
ATEX Atmosphere EXplosive
Info no. Sub category Ident. no.
3092815 - 7
Title
Dual Fuel Operation Page no.
5 (28)
Date Des. Chk. Appd. A. C. Change/replacement C. no.
2011-03-16 JAB JAB ER Document transferred to template.