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Summary of Contents for Welker SCHS3
- Page 1 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WELKER SAMPLE CONDITIONING HEATED SYSTEM ® MODEL SCHS3 DRAWING NUMBER CD946AA MANUAL NUMBER IOM-252 REVISION Rev. 0, 03/11/2024...
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Page 2: Table Of Contents
Heater Failure Troubleshooting Guidelines APPENDIX Referenced or Attached Documents Copyright © 1997 2024 Welker, Inc. All rights reserved. Welker®, W Welker®, W logo, WelkerScope®, Welker Jet®, and OdorEyes® are registered trademarks of Welker, Inc. IOM-252 MODEL: SCHS3 | REV: 0 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com... -
Page 3: Safety
IOM Manuals for each individual component. A list of relevant component IOM Manuals is provided in the Appendix to this manual. The information in this manual has been carefully checked for accuracy and is intended to be used as a guide for the installation, operation, and maintenance of the Welker®... -
Page 4: Product Information
If you have any questions, please call Welker® at 1.281.491.2331. *The following procedures have been written for use with standard Welker® parts and equipment. Assemblies that have been modified might have additional requirements and specifications that are not listed in this manual. -
Page 5: Specifications
1.3 Specifications The specifications listed in this section are generalized for this equipment. Welker® can modify the equipment according to your company's needs. Please note that the specifications might vary depending on the customization of your equipment. Table 1: Welker® SCHS-3 Sample Conditioning Heated System Specifications... -
Page 6: Equipment Diagrams
1.4 Equipment Diagrams Figure 1: Welker® SCHS-3 Sample Conditioning Heated System General Arrangement Diagram IOM-252 MODEL: SCHS3 | REV: 0 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com Service Department: 281.491.2331... - Page 7 Figure 2: Welker® SCHS-3 Sample Conditioning Heated System Connections Diagram IOM-252 MODEL: SCHS3 | REV: 0 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com Service Department: 281.491.2331...
- Page 8 Figure 3: Welker® SCHS-3 Sample Conditioning Heated System Diagram (With Valves) Figure 4: Welker® SCHS-3 Sample Conditioning Heated System Interior IOM-252 MODEL: SCHS3 | REV: 0 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com Service Department: 281.491.2331...
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Page 9: Installation & Operation
Preparing for Installation Welker® recommends that the probe be installed in the top of the pipe and inserted into the center one-third (1/3) of the pipeline in a location where the product is well-mixed and will yield an accurate and representative sample. The sample probe should be located in the least turbulent area of the flowing stream available (i.e., not in a header or blow-down stack and away from... - Page 10 The first- and second-stage regulators should be set by the manufacturer according to the operating pressure provided by the customer. If the regulators require adjustment, see Table 2 for guidelines. Table 2: Welker® SCHS-3 Sample Conditioning Heated System Regulator Settings >1000 psig...
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Page 11: Maintenance
All maintenance and cleaning of the unit should be performed on a smooth, clean surface. Welker® recommends having the following tools available for maintenance. Please note that the exact tools required might vary by model. 6" Adjustable Wrench b. - Page 12 P1 and return valve P2. Using a solvent, clean the inside of the separator body and porting. Welker® recommends using a solvent, such as rubbing alcohol, that does not leave a film when dry and will not adversely affect analytical instrument results.
- Page 13 If maintenance on the valves is necessary, remove the LE-3SSKO from the pipeline, and then refer to the Installation, Operation, and Maintenance (IOM) Manual for the Welker NV-2 Instrument Valve for instructions on maintaining the valves. The LE-3SSKO is now ready to be reinstalled to the pipeline and/or returned to operation. See Section 2.2, Installation and Operation, for instructions on installing the unit to the pipeline and/or returning the unit to operation.
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Page 14: Heater Failure
Ensure that all electrical power to the unit has been turned OFF and that the electrical wiring has been disconnected. The heated regulators will be HOT after use. Allow approximately thirty (30) minutes for the regulators to cool down prior to performing maintenance. IOM-252 MODEL: SCHS3 | REV: 0 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com... - Page 15 Terminate the heater wires to the block heater. Mount the SCHS-3 body to the terminal block so all tubing will fit (Figure 3). Connect all tubing, then leak test. IOM-252 MODEL: SCHS3 | REV: 0 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com...
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Page 16: Troubleshooting Guidelines
3.4 Troubleshooting Guidelines Table 3: Welker® SCHS-3 Sample Conditioning Heated System Troubleshooting Guidelines Issues Possible Causes Solutions The heater is not on or is not working Follow Section 3.3 Heater Failure. If the There is an outlet gas temperature correctly. -
Page 17: Appendix
APPENDIX: REFERENCED OR ATTACHED DOCUMENTS Welker® Installation, Operation, and Maintenance (IOM) Manuals suggested for use with this unit: • IOM-069: Welker® LE-2SSKO Probe Mounted Liquid Eliminator • IOM-077: Welker® ALS-1 Analyzer Liquid Shutoff • IOM-078: Welker® HR-4SS Heated Instrument Regulator •... - Page 18 _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________ 13839 West Bellfort Street Sugar Land, TX 77498 Phone: 281.491.2331 welker.com IOM-252 MODEL: SCHS3 | REV: 0 13839 West Bellfort Street, Sugar Land, TX 77498 welker.com Service Department: 281.491.2331...
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