Monitoring, Control And Regulation Equipment; Gas Engine Phase 3 System - Overview - MTU 16V4000Lx2x Operating Instructions Manual

2.6 Monitoring, Control and Regulation Equipment

2.6.1 Gas engine phase 3 system – Overview
General overview
1 Plant system
2 Engine system
3 Plant
4 Engine Control Unit
Governing/control/monitoring
Engine Control Unit ECU-9
• Controls engine starting, stopping and emergency stop
• Monitors engine operating parameters
• Controls throttles and sets gas mixture for requested speed/power
• Monitors first gas solenoid in gas train to engine
Engine Monitoring Unit EMU 8
• Monitors second gas solenoid in gas train to engine
Compressor bypass (F series)
• Controls throttle reserve, prevents compressor surges
Ignition system IC922
• Adjusts ignition timing for cylinders
5 Engine Monitoring Unit
6 Humidity sensor (optional)
7 Throttles
8 Gas dosing unit
MS150121/00E 2015-07 | Product Summary | 35
9 Knock module
10 Ignition
11 Compressor bypass
12 NOx sensor (optional)