Gentek 3980402, 3980423, 3980422, 3980200, 3980401 Calculating Odor Control Carbon Filter Life

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Chapter 6: Maintaining Your Filtered Enclosure

3.Re-install the new carbon filter with the gasket down. Replace the upper diffuser screen, clips and two screws.

4.The weight of the carbon filter with the gasket down will compress the gasket.

Calculating Odor Control Carbon

Filter Life

Labconco developed a modeling program to estimate the filter life for typical carbon filters. Since filter life is dependent on the chemical used, the airflow, filter size, and the dwell time, refer to the Chemical Guide for the Paramount® Filtered Enclosure. The estimated life for Odor Control carbon filters for the filtered enclosures is conservatively calculated at 50% or half of the published values for the Paramount in the Chemical Guide. For example, if you use isopropyl alcohol to disinfect and use approximately 100 ml per week during 2 hours of use per day then follow these steps to calculate the concentration in parts per million (ppm).

Steps for Calculating PPM and Filter Life

1.Determine the amount of the proposed chemical lost to evaporation over a given amount of time. For example, if you use isopropyl alcohol and lose approximately 100 ml per week during 2 hours of use per day.

2.Convert the amount lost into ml/min. For this example:

100 ml X

1 week X

10 hours =

100 ml lost

=.17 ml/min

week

10 hours use

600 minutes

600 minutes

 

3.Convert ml/min to PPM by multiplying ml/min by the conversion factor found in the second to the last column on the right. For isopropyl alcohol .17 x 41 = 7.0 PPM.

4.Find the PPM value on the chart that comes closest to the value you just calculated in step #3. In this example, round up to 10 PPM, which is close to the calculated 7.0. We may approximate the filter life to be around 155 hours of actual use, but use 50% of this for the Odor Control filters or 78 hours.

5.Insert the estimated filter life into the estimated usage to determine how long filters will last.

78 hours filter life

=7.8 weeks before filter saturation

10 hours per week use

 

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Contents User’s Manual USA Warranty Prerequisites Able OntentsMaintaining Your Filtered Enclosure Chapter Introduction Introduction About This ManualGetting Started Typographical ConventionsIntroduction Chapter Prerequisites Support, Vibration and Movement Requirements Location and Air Current RequirementsExhaust and Blower Requirements Space Requirements Electrical RequirementsPrerequisites Lift by the front air foil Chapter Getting StartedDo not move the enclosure by tilting it onto a hand truck Unpacking the EnclosureWork Surface and Hepa Filtered Enclosure Installation Work Surface SpecificationsFiltered Enclosure Installation Connecting to the Exhaust System Optional Getting Started Installation of Hepa Filters Accessory Odor Control Carbon Carbon Filters Accessory for Odor Control onlyHepa Filters 115V Models Filter Type Appropriate UseValidating the Vented Enclosure Set the Face Velocity with Speed Control AdjustmentSealing the Filtered Enclosure to the Work Surface High Performance Features Chapter High Performance Features and Safety PrecautionsHigh Performance Features and Safety 1510 Hepa Filtered Enclosure Airflow Diagram High Performance Features and Safety High Performance Features and Safety High Performance Features and Safety High Performance Features and Safety Safety Precautions High Performance Features and Safety High Performance Features and Safety High Performance Features and Safety Planning Routine Daily Work ProceduresLoading Materials and Equipment Start-upWork Techniques Final PurgingHepa Filter Applications Suitability and Guidelines Suitable ApplicationsUnloading Materials and Equipment ShutdownOdor Control Carbon Filter Applications sold as an accessory Definition of Terms Appropriate Chemicals for Odor Control Carbon Filters Chemical Carcinogen Use with Odor Control Carbon Filters Prohibited Acid Use Chapter Maintaining Your Filtered Enclosure Routine Maintenance Schedule WeeklyMonthly or more often as required Determination of when to Replace Hepa Filters DecontaminationAnnually How to Install a New Hepa Filter Hepa Filter Changing Diagram & Filter Leak Test Diagram Purpose Hepa Filter Leak TestAcceptance Labconco Airflow Monitor / Airflow Switch Operation Calibrate and Operate the Airflow MonitorGuardian Airflow Monitor LED Monitor Calibration Enclosure Operating In-Flow Alarm Condition Set Point Speed Guardian Airflow Monitor LED with Airflow Switch Maintaining Your Filtered Enclosure Odor Control Carbon Filter Replacement Procedure See Steps for Calculating PPM and Filter Life Calculating Odor Control Carbon Filter LifeRe-Certification Initial CertificationFormaldehyde only Ammonia onlyFluorescent Light Replacement UV Light ReplacementMotorized Impeller Replacement Motorized Impeller Replacement Speed Control Replacement Work Surfaces Chapter Accessorizing Modifying Your Filtered EnclosureExhaust Transition Kits for Ducting to Outside Guardian LED Airflow MonitorPart Description Remote Blowers For Purifier Class I EnclosureFor Purifier Hepa Filtered Enclosure Accessory Filters Hepa Filter Exhaust DampersOdor Control Carbon Filter Utility Shelf Kit Storage CabinetsAccessorizing and Modifying Your Filtered Enclosure Problem Cause Corrective Action Chapter Troubleshooting Servicer Operating LOGTroubleshooting Problem Cause Corrective Action Date Comments Service Operating Record LogAppendix a Filtered Enclosure Components Replacement Parts Qty Part Number Description Qty Part Number Description 3788200 Snubber, Filter Pressure Gauge Hepa Appendix B Dimensions Exhaust Options Appendix B Dimensions and Exhaust Options Appendix B Dimensions and Exhaust Options Environmental Conditions Appendix C Filtered Enclosure SpecificationsAppendix C Filtered Enclosure Specifications Appendix C Filtered Enclosure Specifications Appendix C Filtered Enclosure Specifications Appendix C Filtered Enclosure Specifications Appendix C Filtered Enclosure Specifications Model Size Ppendix Uick Hart Iltered NclosuresNon-mandatory recommendations from Prudent Practices Appendix E References Nfpa 30 2000 Flammable and Combustible Liquids Code General References Laboratory Safety, Principles and Practices, American Page USA

3980203, 3980223, 3980402, 3980400, 3980422 specifications

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