Air Products GASGUARD TE10, Installation, Operation And Maintenance Manual, Page: 10 / 196

GASGUARD

TE10 Distribution System Manual
Air Products and Chemicals, Inc. Page i - viii
3.5 Purge Line ..................................................................................................... 3-6
3.6 Pneumatic Supply .......................................................................................... 3-7
3.6.1 Z-purge Procedure ...................................................................................... 3-8
3.7 Enclosure Exhaust System Requirements ..................................................... 3-9
3.7.1 Exhaust Flow Clarifications and Definitions: ........................................... 3-11
3.8 Weld Shield Gas, Purge Gas Connection (Optional) .................................... 3-13
3.9 Helium Leak Test Port (Optional) ................................................................. 3-14
3.10 Hazardous Gas Leak Detection System (Customer Requirement)....... 3-14
Section 4: Electrical Connections ................................................................................... 4-1
4.1 Grounding Method ........................................................................................ 4-2
4.2 Power Supply Connection ............................................................................. 4-3
4.3 Field Connections.......................................................................................... 4-5
4.4 External I/O Communication ........................................................................ 4-8
4.4.1 Supervised Inputs ....................................................................................... 4-9
4.4.2 Available External I/O Communications ................................................... 4-10
Section 5: Helium Leak Testing ...................................................................................... 5-1
Section 6: Distribution System Functional Checklist ..................................................... 6-1
Section 7: System Description ........................................................................................ 7-1
7.1 Valve Manifold Enclosure ............................................................................ 7-1
7.2 Hazardous Gas Manifold Panel ..................................................................... 7-3
7.3 Panel Schematic and Component Descriptions ............................................. 7-4
7.4 GASGUARD TE10 Distribution System Controller ............................. 7-8
7.4.1 The Display Screen ................................................................................... 7-9
7.5.1 Security Code Protection ............................................................................ 7-12
7.5.2 Menu Operation ......................................................................................... 7-12
7.5.3 Distribution Mode Menu Operations ......................................................... 7-13
7.5.4 Active Alarms ........................................................................................... 7-15
7.5.5Analog Trends ............................................................................................. 7-15
7.6 Configuration Menu ...................................................................................... 7-16
7.7 Manual Mode Operation ............................................................................... 7-16
Section 8: Operating Procedures ..................................................................................... 8-1
8.1 Emergency Shutdown Procedure .................................................................. 8-2
8.2 Operation of the GASGUARD TE10 Distribution System Controller ......... 8-4
8.3 New System Startup Procedure ..................................................................... 8-8
8.4 Line Purge and Process Line Purging Procedures ................................... 8-12
8.4.1 Line Purge Procedure ................................................................................. 8-12
8.4.2 Rough Line Evacuation Procedure ............................................................. 8-15
8.4.3 Flow Purge Procedure ................................................................................ 8-16
8.5 Process Gas Flow Procedure ......................................................................... 8-18
8.5.1 Start Process Gas Flow ............................................................................... 8-18
8.5.2 Stop Process Gas Flow ............................................................................... 8-19
8.6 Manual Mode Operation ............................................................................... 8-19
8.6.1 How to Operate in Manual Mode ............................................................... 8-20
8.6.2 How to Open and Close Valves ................................................................. 8-21
8.6.4 General Principles of Manual Operation .................................................... 8-23