Gentek 3980200, 3980201, 3980202, 3980203, 3980220, 3980221, 3980222, 3980223, 3980300, 3980301, 3980302, 3980303, 3980320, 3980321, 3980322, 3980323, 3980400, 3980401, 3980402, 3980403, 3980420, 3980421, 3980422, 3980423 Speed Control Replacement

Chapter 6: Maintaining Your Filtered Enclosure

Speed Control Replacement

1. Remove the bracket that the speed control is attached to. See

Figures 6-1, and 6-2.

2. Remove the two screws holding the speed control using a

Phillips screwdriver. Refer to Appendix A for Replacement

Parts Diagram.

3. Disconnect all wires leading to the speed control. Connect

wires on new speed control in the same position as the old

speed control.

4. Reassemble to the system in the same position and with the

same screws that were removed earlier.

Contents

Main Users Manual Page Warranty Limitation of Liability T O C Page 1 I About This Manual Typographical Conventions 2' 3' 4' 2 P Support, Vibration and Movement Requirements Location and Air Current Requirements Exhaust and Blower Requirements Cha Electrical Requirements Space Requirements The dimensions for the different models are shown in Appendix B: Dimensions Page 3 G ! G S Unpacking the Enclosure Installing the Filtered Enclosure on a Supporting Structure and Work Surface Page Page Connecting to the Exhaust System (Optional) ! ! Page Installation of HEPA Filters and Accessory Odor Control Carbon Filters HEPA Connecting the Electrical Supply Source to the Filtered Enclosure HEPA Carbon Carbon Carbon Set the Face Velocity with the Speed Control Adjustment Validating the Vented Enclosure Sealing the Filtered Enclosure to the Work Surface 4 P H P Page Page Page Page Page Page Page Safety Precautions Page Page Page Page Page Suitable Applications HEPA Filter Applications, Suitability and Guidelines Odor Control Carbon Filter Applications (sold as an accessory) Definition of Terms Appropriate Chemicals for Odor Control Carbon Filters Hazardous Misapplications for Odor Control Carbon Filters with Volatile Chemicals Chemical Carcinogen Use with Odor Control Carbon Filters Prohibited Acid Use 6 Y E M Y Routine Maintenance Schedule Decontamination Determination of when to Replace HEPA Filters How to Install a New HEPA Filter Page HEPA Filter Leak Test Page 46 Setting the Inflow Face Velocity with the Speed Control Adjustment Options Calibrate and Operate the Airflow Monitor Page Page Page Determination of When to Replace Odor Control Carbon Filters and How to Replace Page Calculating Odor Control Carbon Filter Life Initial Certification Re-Certification Fluorescent Light Replacement UV Light Replacement Motorized Impeller Replacement Page Speed Control Replacement 7 A E Y M Page Page Page Page Page 8 T L T S Page Page Service Operating Record Log Page Page Page Page Page B D E O Page Page C S Page Page Page Page Page Page Page Appendix E: Reference A ppendix E: References Appendix E: Reference A ppendix E: References

Gentek Speed Control Replacement

Models: 3980200 3980201 3980202 3980203 3980220 3980221 3980222 3980223 3980300 3980301 3980302 3980303 3980320 3980321 3980322 3980323 3980400 3980401 3980402 3980403 3980420 3980421 3980422 3980423