WinGD X72 User Manual

Operation
9270−1/A1
Winterthur Gas & Diesel Ltd.
1/ 28
Selective Catalytic Reduction System
1. General 1..........................................................
1.1 SCR System 2................................................
1.2 SCR System to Engine Interface 2..............................
2. Function 6.........................................................
2.1 SCR System Bypassed (Tier II) 6...............................
2.2 SCR Heating-up with Exhaust gas (Tier II) 7.....................
2.3 SCR Usual Operation (Tier III) 8................................
2.4 SCR Operation with Turbocharger Bypass (Tier III) 9............
2.5 SCR / VCS Operation − Scavenge Air Pressure Too High (Tier II) 10
2.6 SCR System − Stop and Vent (Tier II) 11.........................
2.7 Install Covers / Disassemble SCR System 12.....................
3. Operation Modes 13.................................................
3.1 Tier II without SCR Operation 13................................
3.2 SCR Heating − Prepare 13......................................
3.3 Tier III 14......................................................
4. Control and Automation System 15...................................
4.1 SCR Valve Control Cabinet E48 15..............................
4.2 SCR Automation Cabinet 15....................................
5. User Interfaces 17...................................................
5.1 Global Buttons and Status Indications 19........................
5.2 LDU Pages 20.................................................
5.3 SCR Operation Mode − Change 26..............................
5.4 Automatic Valve Movement − Procedure 27......................
6. AMS Alarms 28......................................................
7. Effects on Engine Performance 28....................................
1. General
The Selective Catalytic Reduction (SCR) system is an option that can be fully
bypassed and de-energized. This has no effect on the Tier II mode without SCR
operation.
If necessary, the the SCR system can be isolated with covers installed. For more
data, refer to paragraph 2.7.
The SCR system does not decrease engine performance. For more data, refer to
Failure Modes and Effects Analysis of the SCR system.
For general data about the SCR system system, refer to the documentation of the
system supplier
2016−11
Selective Catalytic Reduction System

WinGD X72 Specifications

General

Brand	WinGD
Model	X72
Category	Engine
Language	English