Masoneilan SVI II AP Installation and Maintenance ... - GE Energy
Masoneilan SVI II AP Installation and Maintenance ... - GE Energy
Masoneilan SVI II AP Installation and Maintenance ... - GE Energy
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9: Operation <strong>and</strong> <strong>Maintenance</strong> .................................................................................................. 129<br />
Principle of Operation .......................................................................................................... 129<br />
Physical <strong>and</strong> Operational Description .................................................................................. 130<br />
Electronics Module......................................................................................................... 130<br />
Output Switches............................................................................................................. 131<br />
Inductive Load................................................................................................................ 133<br />
Load Specifications........................................................................................................ 134<br />
Checking Switch Operation............................................................................................ 134<br />
Pneumatic Module ......................................................................................................... 135<br />
Optional Display <strong>and</strong> Pushbuttons ................................................................................. 138<br />
<strong>SVI</strong> <strong>II</strong> <strong>AP</strong> <strong>Maintenance</strong> <strong>and</strong> Repair ...................................................................................... 138<br />
Repair............................................................................................................................. 138<br />
Tools Needed................................................................................................................. 139<br />
Display Cover Removal <strong>and</strong> <strong>Installation</strong> ........................................................................ 139<br />
I⁄P Module Removal <strong>and</strong> <strong>Installation</strong> .............................................................................. 141<br />
Relay Removal <strong>and</strong> <strong>Installation</strong>...................................................................................... 143<br />
Adjusting I/P Zero........................................................................................................... 143<br />
Connecting Components to the Electronics Module ...................................................... 144<br />
Repair by Replacement ....................................................................................................... 144<br />
Internal Diagnostics ............................................................................................................. 144<br />
FAILSAFE Mode ........................................................................................................... 144<br />
Upgrading Firmware ............................................................................................................ 145<br />
Tools Required............................................................................................................... 145<br />
Installing Firmware Upgrade .......................................................................................... 145<br />
A: Specifications <strong>and</strong> References ............................................................................................. 147<br />
Physical <strong>and</strong> Operational Specifications.............................................................................. 147<br />
Spare Parts .......................................................................................................................... 154<br />
B: Air to Open <strong>and</strong> Air to Close Actuators ................................................................................. 159<br />
Actuator Action..................................................................................................................... 159<br />
C: Air Supply Requirements ...................................................................................................... 163<br />
Air Supply Requirements ..................................................................................................... 163<br />
D: Adjusting Speed of Response .............................................................................................. 165<br />
Adjusting Speed of Response.............................................................................................. 165<br />
E: Advanced Usage .................................................................................................................. 167<br />
Technology to Maximize Savings <strong>and</strong> Process Performance.............................................. 167<br />
Tight Shutoff Application to Protect from Seat Erosion .................................................. 167<br />
Tight Shutoff Application to High Pressure Liquid Letdown Valve Trim ......................... 167<br />
Using ValVue Diagnostics.................................................................................................... 168<br />
Continuous Diagnostics ................................................................................................. 168<br />
Monitoring a Valve Bellows Seal.................................................................................... 168<br />
Critical Service, Cavitation Control Trim ........................................................................ 168<br />
Diagnostic Valve Tests................................................................................................... 169<br />
F: Glossary ................................................................................................................................ 171<br />
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