Related Manuals for Kewaunee Supreme Air Series
Summary of Contents for Kewaunee Supreme Air Series
- Page 1 Supreme Air Series VENTURI FUME HOOD Operation Maintenance Technical Manual Operation & Maintenance Procedures Recommended Work Practices Installation Instructions ® KEWAUNEE VFHOMT-11/18 encouraging new discovery...Worldwide...
- Page 2 We’re honored that you have purchased a Kewaunee fume hood. We take pride in many things; our families, our town, our flag and this great country — to name a few. We also take great pride to have you as a customer. We have worked hard to create the world’s safest and best fume hood.
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Page 3: Table Of Contents
Supreme Air Venturi Fume Hoods Operation & Maintenance Technical Manual Table of Contents Operating Procedures General Procedures All Fume Hoods.....................2 Perchloric Acid Fume Hoods .................3 Venturi Fume Hood Features & Options Features & Option Identification ..............4 Venturi Effect....................5 LED Lighting....................5 Electromechanical Sash Stop ...............5 Belt Drive Pulley System ................6 Dynamic Barrier Bypass ................6... -
Page 4: Operating Procedures
Operating Procedures General Procedures for Supreme Air Venturi Fume Hoods Failure to follow these 1. Do not use Perchloric Acid in a hood not specifically designed for use with Perchloric Acid. Procedures may result in overexposure to 2. Prior to using hood, verify that the exhaust fan is operating and sufficient air contaminates or other is being exhausted from hood. -
Page 5: Perchloric Acid Fume Hoods
Operating Procedures Procedures for Perchloric Acid Fume Hoods When heated, Perchloric Acid becomes a strong oxidizer producing unstable residues which contaminate the fume hood and ductwork and produce an explosion hazard. The following additional precautions should be followed when heating perchloric acid. 1. -
Page 6: Features & Option Identification
Operating Procedures Supreme Air Venturi Fume Hoods Features & Options Identification ID/Serial No. Label Exhaust Plenum & Duct Collar Belt Drive Pulley System LED Light Single Point Connection Exterior Top Front Panel Junction Box Panel Interior Access Panel Rear Baffles LED Light &... -
Page 7: Venturi Effect
Supreme Air Venturi Fume Hoods Features Venturi Effect Kewaunee’s Venturi line of bench mounted fume hoods employ two Venturi ports located at the bottom left and right corners of the sash. The Venturi ports assist air movement and improves corner airflow. Prior to using the fume hood, ensure these ports are not blocked and air movement is not impeded through the ports. -
Page 8: Belt Drive Pulley System
The Venturi fume hood Upper Bypass is factory set and should not be modified. In the event of a significant change in airflow application please contact Kewaunee to see if the Upper Bypass requires modification. Airfoil The Lower Airfoil should not be removed or altered to ensure safe fume hood operation. -
Page 9: Rear Baffle Removal & Adjustment
Operating Procedures Supreme Air Venturi Fume Hoods Features Rear Baffle Removal and Adjustment The Venturi fume hood is designed with rear baffles that require no user adjustment. These baffles are intentionally non-adjustable and should not be removed while the fume hood is in use. For cleaning or other maintenance, the baffles can be removed (without tools) by lifting up and then pulling the bottom out towards the user. -
Page 10: Auto Sash
As it is possible that an occurrence in a fume hood could be complicated by opening the sash, Kewaunee recommends this system to be used only for closing the sash. Therefore, the choice of opening of a sash should be manually performed. -
Page 11: Tissue Screen
Operating Procedures Supreme Air Venturi Fume Hood Options Tissue Screen Your fume hood may be equipped with a tissue screen which is present to catch any materials light enough to be swept up by fume hood airflow. The tissue screen is located behind the rear baffles and can be accessed by removing the Rear Baffle Removal and Adjustment Lower Rear Baffles. -
Page 12: Ceiling Enclosure
Supreme Air Venturi Fume Hoods Options Ceiling Enclosure Kewaunee has engineered the Venturi Fume Hood Ceiling Enclosures with a removable Front Panel to allow access to the top of the hood. To access a hood through the enclosure you will need a ladder. If the hood is six feet long or larger, it is best to have one person on each side of the enclosure. -
Page 13: Maintenance Instructions
Maintenance Instructions Supreme Air Venturi Fume Hoods Prior to performing any maintenance work, verify with the chemical hygiene CAUTION officer in charge of the laboratory that there are no hazardous contaminates on the surfaces inside the hood and which cleaners are compatable with the chemicals used in the hood. -
Page 14: Belt Drive & Pulley System Maintenance
Move sash up and down full travel and check belt for any wearing. If belt wearing is discovered, locate and remove any foreign object that is causing wear and/or contact Kewaunee for replacement. Check that belt is traveling over front and back pulleys smoothly and in sync. If belt pulleys are out of sync, follow sash leveling instructions on page 14. -
Page 15: Sash Leveling Instructions
Maintenance Instructions Supreme Air Venturi Fume Hoods Sash Leveling Instructions Completely close sash. Loosen front and rear set screws. Open sash as necessary until set screws rotate to an accessible location. (see Detail 1) Once all set screws are loose, twist drive shafts so set screws will penetrate into a new location when tightened. -
Page 16: Troubleshooting Guide
4) Check that solenoid is pulling straight and not binding. 5) Test that the solenoid will activate when not attached to the hood. 6) If solenoid and latch mechanism are binding and are not in line and pulling straight, contact Kewaunee for a replacement. - 14 VFHOMT-11/18... - Page 17 5) Test that the solenoid will activate when not attached to the hood. 6) If solenoid and latch mechanism are binding and are not in line and pulling straight, contact Kewaunee for a replacement. d) Sash Return Option not Check that the Sash Return Option was ordered.
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Page 18: Sash Glass Replacement Instructions
Maintenance Instructions Sash Glass Replacement Instructions Vertical Sash Remove the hood Top Front Panel by lifting up and pulling out. (The panel is attached to the hood front posts by four flat head pins that match to the four Keyhole Slots in the front of the posts.) Open Sash to operating height. - Page 19 Maintenance Instructions Sash Glass Replacement Instructions Top Front Panel not shown for clarity Pin and Clamp Pulley and Belt (both sides) (Step 6) Pulley Bracket Sash Belt Front Pulley Keyhole Slot (2 each side) Sash Glass Sash Track Front Post Sash Handle Belt Tee Belt Tee...
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Page 20: Combination Sash
Maintenance Instructions Sash Glass Replacement Instructions Combination Sash Remove the hood Top Front Panel by lifting up and pulling out. (The panel is attached to the hood front posts by four flat head pins that match to the four Keyhole Slots in the front of the posts.) Slowly move Sash until a hole in the Front Pulley lines up with the hole in the Pulley Bracket. - Page 21 Maintenance Instructions Combination Sash Glass Replacement Instructions Top Front Panel not shown for clarity Sash Belt Pulley Bracket Front Pulley Keyhole Slot Pin and Clamp Pulley Sash Frame (2 each side) and Belt (both sides) Top Rear (Step 3) Sash Track Top Front Sash Track C-channel...
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Page 22: Horizontal Sash
Maintenance Instructions Sash Glass Replacement Instructions Horizontal Sash Remove the Top Front Panel by lifting up and pulling out to gain access to the screws in the front of the Top Front Sash Track. (The panel is attached to the hood front posts by four flat head pins that match to the four Keyhole Slots in the front of the posts.) Remove the screws attaching the Top Front Sash Track to the Sash Frame. - Page 23 Maintenance Instructions Horizontal Sash Glass Replacement Instructions Top Front Panel not shown for clarity Sash Frame Keyhole Slot Top Rear Sash Track (2 each side) Top Front Sash Track Front Post Figure 1 Front Sash Panels Back Sash Panels Bottom Track Bracket Wheel Figure 2 Inner Wheel Bracket...
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Page 24: Recommended Work Practices
Kewaunee Supreme Air Venturi hoods. By containing harmful contaminants If anything interferes with the protective and venting them out of the work... - Page 25 Occupational Safety and Health contaminants, a fume hood alarm You should have a qualified Administration (OSHA) recommends such as the Kewaunee Air Alert 300 technician thoroughly test your fume that all hoods be equipped with an or Air Alert 600 Digital Face Velocity hood before you use it the first time airflow monitor.
- Page 26 Recommended Work Practices (continued) Maintaining the Protective Air Barrier for a Safe Work Area (continued) Large containers or equipment such as furnaces, incubators and oil baths often interfere with air flow inside the fume hood by causing lazy air and reverse flows which may affect airflow patterns.
- Page 27 Recommended Work Practices (continued) For More Information We at Kewaunee Scientific hope these questions we haven’t answered in guidelines will be helpful to you as this section, please contact your local you choose, use and maintain your Kewaunee sales representative.
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Page 28: Fume Hood
Installation Instructions Supreme Air Venturi Bench Fume Hoods TOP FRONT PANEL PANEL REAR BAFFLES ACCESS PANEL VENTURI PORT Front View LOWER AIRFOIL 5/16"-18 x 1" Low Profile Socket Head Cap Screws FUME HOOD #8 x 1/2" Oval Head WORKSURFACE Self-tapping Screw Mounting Panel Right Rear... - Page 29 Installation Instructions Supreme Air Venturi Bench Fume Hoods Packing List On Pallet Fume Hood Hardware Package Hardware Package (taped to side of hood) (4-8) 5/16"-18 x 1" Low Profile Socket Head Cap Screw #8 x 1/2" Oval Head Self-tapping Screw Installation Instructions NOTICE Fume Hood Worksurface is packaged separately.
- Page 30 VAV Installations When using a Sash Position Sensor to control a VAV system, Kewaunee recommends attaching the cable to the right rear Pulley Hub and the controller to the metal panel at the front of the hood (as shown in Detail 1) A pilot hole can be drilled into the aluminum hub and attachment made with a self-tapping screw.
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Page 31: Base Cabinets
Installation Instructions Base Unit Assembly for Bench Type Fume Hoods 36 / " 42 / " FACE FILLER 48 / " 1 / " (optional- install Screws as required) REAR FILLER (4) required (optional- install one each corner as required) KEMSTRUTS (install as required) FUME... -
Page 32: Ceiling Enclosure
Installation Instructions Ceiling Enclosure Installation Instructions Fasten Ceiling Enclosure End Panels to Fume Hood Pulley Bracket tabs using four (4) #8 x 1" Self-tapping Sheet Metal Screws for each End Panel. Insert tabs on Ceiling Enclosure Front Panel in slots on Ceiling Enclosure End Panels. -
Page 33: Wiring Diagram
Wiring Diagram VFHOMT-11/18 -... -
Page 34: Electrical - Prewired/Ul Listed
Underwriters Laboratories, Inc. Any deviation from these instructions or modification of the factory wiring may void the UL listing. If technical assistance is required please contact: Kewaunee Scientific Corporation Fume Hood Engineering P.O. Box 1842 Statesville, NC 28687-1842... - Page 35 Electrical Installation Instructions Prewired Venturi Fume Hoods / UL Listed General Installation Instructions Assemble and securely mount the fume hood per the instruction in the accompanying installation manual. Preparation: Locate junction boxes. Supply circuits will be attached to the unit within each junction box. These junction boxes are located on top of the hood, behind the front panel.
- Page 36 Installation Instructions Prewired Venturi Fume Hoods / UL Listed Fan Switch Wiring Fan switch wiring will be located in a separate 6” x 4” junction box on top of the hood. Note: The fan controlled by this switch should not exceed 1 HP. Follow steps 1 through 3 as in the general installation instructions with the following exceptions: The fan switch circuitry is wired for 120 VAC/20 A/60 Hz input.
- Page 37 Wiring Diagram Prewired Venturi Fume Hoods / UL Listed Control Identification The captions for each illustration gives the Kewaunee part number, rating and general description. Electrical Fixtures: Use the following illustration to identify electrical fixtures: S658-6_ H658-6_ S659-6_ 120V / 20A / 60HZ...
- Page 38 Installation Instructions Prewired Venturi Fume Hoods / UL Listed Control Identification Service Fittings: (continued) There are two basic styles of service fittings: Front load and remote control. A front load fitting’s valve is located immediately behind the handle, inside the fascia. A remote control fitting’s valve is located immediately behind the fitting, behind the hood wall.
- Page 39 Wiring Diagram Prewired Venturi Fume Hoods / UL Listed Other Connections Piping Connections: A. Prepiped Hoods: Gas and steam fittings are piped using black iron, distilled water fittings are piped using PVC and all others are piped using copper tubing. Connection should be made to supply piping using an appropriate coupling or union of the same material.
- Page 40 Exploded View Supreme Air Venturi Fume Hoods - 38 VFHOMT-11/18...
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Page 41: Parts List
Parts List Supreme Air Venturi Fume Hoods Qty. Part Number Description VFCW-L11M-ht00 VENTURI FASCIA POST - LEFT SIDE VFCW-R11M-ht00 VENTURI FASCIA POST - RIGHT SIDE VFGS-L01M-0000 VENTURI FASCIA GUSSET - LEFT SIDE VFGS-R01M-0000 VENTURI FASCIA GUSSET - RIGHT SIDE VEPW-L01M-htdp VENTURI END PANEL - LEFT SIDE VEPW-R01M-5724 VENTURI END PANEL - RIGHT SIDE... - Page 42 Parts List Supreme Air Venturi Fume Hoods Qty. Part Number Description VSHA-X01N-htlg VENTURI SASH ASSEMBLY F-9015-48L-M SASH TRACK LEFT V HOOD F-9015-48R-M SASH TRACK RIGHT V HOOD F-9001-00 BELT KEEPER F-6348-lg PULLEY SHAFT-DRIVE F-9005-0A COGGED PULLEY ASSEMBLY (REAR PULLEY) F-9005-02 COGGED PULLEY, HTD-8mm w/ 48 TEETH (FRONT PULLEY) F-6345-00 BEARING,BALL,1-3/8 ODx3/4 ID,FLANGED...
- Page 43 VFHOMT-11/18 -...
- Page 44 P.O. Box 1842 • Statesville, NC 28687-1842 Phone: (704) 873-7202 • Fax: (704) 873-5160 E-mail: kscmarketing@kewaunee.com Web Site: www.kewaunee.com Kewaunee Labway India Pvt. Ltd. Kewaunee Labway Asia Pte. Ltd. No. CA-9A, 2nd Floor, Jigani Link Road 194 Loop, #06-22 Jigani, Bangalore 562 106, India Pantech Business Hub, Singapore 128 383 Phone: 9180-27826725 •...
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