Air Science Purair BASIC User's Operation Manual
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Air Science Purair BASIC User's Operation Manual

Fume hoods
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Air Science Purair
Basic Fume Hoods
Includes the Purair NANO,
Purair RX, Purair SafeSEARCH,
EDU-JUNIOR and CAGEX
USER OPERATION MANUAL
Air Science Manual Revision No.:
PURAIR-BASIC-SERIES.V4.2021
Specifications are subject to change without
notice or obligation on the part of Air Science.
For questions, contact Air Science.
pictured: Model P5-24-XT
with optional velometer

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  • Page 1 Purair RX, Purair SafeSEARCH, EDU-JUNIOR and CAGEX USER OPERATION MANUAL pictured: Model P5-24-XT with optional velometer Air Science Manual Revision No.: PURAIR-BASIC-SERIES.V4.2021 Specifications are subject to change without notice or obligation on the part of Air Science. For questions, contact Air Science.

  • Page 2: Table Of Contents

    2 \ USER OPERATION MANUAL: Purair Basic Series Table of Contents Safety Warnings / Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Limitation of Liability .

  • Page 3: Safety Warnings / Symbols

    The disposal and/or emission of substances used in connection with this cabinet may be governed by var- ious local regulations. Familiarization and compliance with any such regulations are the sole responsibility of the users of the cabinet. The liability of Air Science is limited with respect to user compliance with such ®...

  • Page 4: Warranty

    Register your new Air Science product online by visiting: www.airscience.com/warranty-registration. Customer Satisfaction Survey Air Science values your business, so your satisfaction is important to us. To help serve you better, please take a few minutes to complete our Customer Satisfaction Survey.

  • Page 5: Product Information

    Basic Series ductless fume hoods are a series of high efficiency products designed to protect the ® user and the environment from hazardous vapors generated on the work surface. At the heart of the Purair fume hood product line is the innovative Air Science Multiplex Filtration Technology that creates a safe work ™ environment over the widest range of applications in the industry.

  • Page 6: Packaging Contents

    Test Report In case this manual and/or test report is lost or misplaced, Air Science retains a copy in our files. A replace- ment copy can be obtained by contacting Air Science and providing the cabinet model, serial number and a brief description of the information desired.

  • Page 7: Installing Your Cabinet

    7 \ USER OPERATION MANUAL: Purair Basic Series III . Installing Your Cabinet 3.1 Choosing a Suitable Location Location impacts the nature and extent of external airflow disturbances, which may affect performance of the cabinet when it is exposed to these disturbances. When installing the cabinet, it should be located as far away as possible from sources of airflow disturbance and in an orientation which optimally shields the airflow of the cabinet from all external airflow disturbances. Please note that the cabinet should not be placed close to another cabinet.

  • Page 8: Installing Your Cabinet

    8 \ USER OPERATION MANUAL: Purair Basic Series Power Cord: » 1) For units intended to be operated at 120 volts (North America): Use a UL-listed and CSA-certified cord set consisting of a minimum 18 AWG, Type SVT or SJT, three-conductor cord, a maximum of 15 feet in length and a parallel blade, grounding-type attachment plug rated 15 amperes, 125 volts.

  • Page 9: Set Up

    9 \ USER OPERATION MANUAL: Purair Basic Series 3.4 Set Up Your Air Science product is shipped in two parts. The following instructions and photos explain how to: Assemble the base “enclosure” and place the head unit (fan and controls) on top: • Fit the main filter and the pre-filter.
  • Page 10 10 \ USER OPERATION MANUAL: Purair Basic Series Filter Installation 3. Pre-filter tray now inserts into four slots on the sides of the cutout. Two tabs are bent at 90° to allow it to hinge down into the workzone. Once installed, lay the pre-filter on top of the tray. 4. Main filter now requires a painted metal "hat"...
  • Page 11 11 \ USER OPERATION MANUAL: Purair Basic Series 6. Insert the main filter, gasket side down, centering it over the cutout. 7. If using two filter types, stack the second filter on top of the first with the gasket side down. Make sure the corners are squared up to ensure proper installation. 8. Place the white metal hat frame on top of the filter.
  • Page 12 12 \ USER OPERATION MANUAL: Purair Basic Series 10. Reinstall the filter door and secure the locks using the barrel key. Final Assembly Monitair and Autocal Equipped Units 11. To install the airflow sensor, remove the clear panel on the inner right sidewall. Open the screw cap on the outside of the enclosure, undo the screw and nut and set aside.
  • Page 13 13 \ USER OPERATION MANUAL: Purair Basic Series 14. Attach the power cord to the inlet on the right side of the head unit and connect to appropriate power source. DWYER Equipped Units 15. Add airflow meter as follows: » Insert vane/film into the airflow meter. a. Slide out vane holder from side of meter (just below the screw).
  • Page 14 14 \ USER OPERATION MANUAL: Purair Basic Series » Remove the attaching screw from the meter. » Push the screw into the screw hole from the outside of the enclosure. » Align the meter to the screw from the inside of the enclosure.
  • Page 15 15 \ USER OPERATION MANUAL: Purair Basic Series Exhaust Plenum Installation (RX and NANO Fume Hoods Only) 1. Place the plenum in the correct orienta- tion on the metal top panel of the fume hood. 2. Insert the provided self-tapping screws into each hole in the plenum housing.

  • Page 16: Performance Validation / Certification

    16 \ USER OPERATION MANUAL: Purair Basic Series 2. Align the tabs for the rear baffle into slots in the top baffle keeping the 1/4 turn clips facing down. This will support the rear portion of the top baffle and keep the rear baffle in the upright position. 3. Secure top baffle with brackets on the left, right and front sides. 4. Secure the baffle to the brackets using 1/4 turn clips. They are accessed from the bottom side of the baffle. 3.5 Performance Validation / Certification After installation and prior to use, cabinet performance must be validated and certified to factory standards.

  • Page 17: Operating Your Cabinet

    17 \ USER OPERATION MANUAL: Purair Basic Series IV . Operating Your Cabinet 4.1 Control System Basic Control Panel (Standard) The basic control panel is standard and includes an On/Off switch and Filter Blockage alarm. If the indicator lamp starts to flash intermittently or stays illuminated, the filters are beginning to become blocked and air- flow may be reduced to unsafe levels. Check airflow and/or replace filters as needed. Alarm may be reset and tested.
  • Page 18 18 \ USER OPERATION MANUAL: Purair Basic Series FSA / Autocal Control Panel (Optional) The optional FSA/Autocal controller displays the airflow and offers limited detection of low concentrations of hydrocarbon, some gases and organic acids. Audio and visual alarms alert users to filter saturation and if the airflow reaches preset thresholds. An Hour Counter with preset alarm intervals for pre-filter and main filter change out is also included. Calibration Procedure Triangle Electronic Controls Ltd Autocal Led Airflow Alarm CUSTOMER: PRODUCT: 03/05/12 DATE: ISSUE: CL00037 PROCEDURE NUMBER: APPROVED: 1.
  • Page 19 19 \ USER OPERATION MANUAL: Purair Basic Series FSA Control Panel (Optional) The optional FSA controller offers limited detection of low concentrations of hydrocarbon, some gases and organic acids. Audio and visual alarms alert users if filter saturation reaches preset thresholds. An Hour Counter with preset alarm intervals for pre-filter and main filter change out and Low Airflow alarm are also included. Autocal Control Panel (Optional) The optional Autocal controller displays the airflow. Audio and visual alarms alert users if the airflow reaches preset thresholds. An Hour Counter with preset alarm intervals for pre-filter and main filter change out is also included. Air Science...
  • Page 20 20 \ USER OPERATION MANUAL: Purair Basic Series Monitair Control Panel (Optional) The optional Monitair microprocessor controller monitors and displays cabinet operating parameters, air- flow, containment and offers limited detection of low concentrations of hydrocarbon, some gases and organic acids. Emits audio and visual alerts if conditions become unsafe. All displayed on a LCD screen.
  • Page 21 21 \ USER OPERATION MANUAL: Purair Basic Series Inputs Outputs 1 X1 Anemometer 2 X1 White light 2 .5 amp max 230 Vac or 115 Vac X1 Organic alarm sensor X1 Spare or UV toggle X1 Data connect cable X1 Variable ac output 6 amp max X1 Interlock (sash high or door position) For units equipped with this option, please follow the online screens below for set up.
  • Page 22 22 \ USER OPERATION MANUAL: Purair Basic Series Monitair Control Panel Calibration » Hold in CAL button while applying main power to the cabinet. » Release the CAL button when two beeps sound. » After the second audio beep, the message SET FAN SPEED will appear on the LCD display.

  • Page 23: Cabinet Operating Procedure

    • Air Science fume hoods have been designed to handle fumes and vapors given off during everyday labora- tory procedures. These will be at the parts per million (PPM) level in the air stream entering the filter block. It is not recommended that large quantities of solvents or acids be used or boiled off in the cabinet.

  • Page 24: Monitoring

    24 \ USER OPERATION MANUAL: Purair Basic Series V . Monitoring 5.1 General The purpose of the monitoring program is to ensure consistent reliability from the system. This is achieved by checking the following: » If the pre-filters become blocked, the velocity of the cabinet will begin to fall and will eventually cause the filter blockage alarm to illuminate. » Manual checking of the main filters by the use of a Gastec or Draeger test kit will confirm the condition ™...

  • Page 25: Maintenance

    25 \ USER OPERATION MANUAL: Purair Basic Series VI . Maintenance 6.1 General In some countries it is mandatory to maintain written records of checks, tests and repairs carried out on safety equipment. These records must be kept for 5 years. A full list of Occupational Exposure Limits should be obtained from your safety officer.

  • Page 26: Filter Condition Monitor (Fitted As An Option)

    26 \ USER OPERATION MANUAL: Purair Basic Series 6.6 Filter Condition Monitor (Fitted as an Option) Under normal operating conditions (if option fitted) the display will show a green filter to indicate it is safe. If the filter display is red, the filter should be checked as follows: » Select a suitable test chemical (examples include alcohols, toluene, trichloroethylene or any suitable chemical in routine use in the cabinet providing it is well adsorbed and not dangerously toxic) and a matching Gastec or Draeger test kit.

  • Page 27: Changing Out Filters

    27 \ USER OPERATION MANUAL: Purair Basic Series 6.8 Changing Out Filters WARNING! Ensure persons removing filters are made aware of any potential hazards and that they are provided with any necessary protective clothing and equipment. Hazards associated with the removal and disposal of used filters will depend on the application of the hood. If an activated carbon filter is used with hydrocarbon solvents, the filter will retain the solvents without loss, and can be removed in the laboratory. The used filter should be sealed into a plastic bag prior to disposal, preferably by incineration.

  • Page 28: Maintenance Schedule

    28 \ USER OPERATION MANUAL: Purair Basic Series 6.10 Maintenance Schedule Please follow the suggested maintenance schedule in order to maintain your Air Science cabinet at its optimum performance. Monthly Semiannually 1. Using a damp cloth, clean the exterior surfaces 1. Replace HEPA/ULPA filters.

  • Page 29: Fault Finding

    29 \ USER OPERATION MANUAL: Purair Basic Series 6.12 Fault Finding WARNING! Before attempting any inspection or replacement of electrical components, always isolate the cabinet from the main power supply and remove the power supply cable. Fault Check Filter Blockage Alarm • Check airflow at aperture...
  • Page 30 30 \ USER OPERATION MANUAL: Purair Basic Series Fuse Replacement Many Air Science products are fitted with a slow blow fuse. If you have the product connected to power but are unable to operate, and the on/off switch does not illuminate, replace the fuse using the following steps: ocate: The fuse is integrated into the power inlet. ccess: Use a flat head screwdriver to open the fuse panel.

  • Page 31: Replacement Parts List

    31 \ USER OPERATION MANUAL: Purair Basic Series 6.14 Replacement Parts List Replacement Parts List 120 Volt Units with EC Fan P5-24, P5-36, P5-48 - 120V 60HZ Part Description Part Number Power Switch WRG32F2FBGLN Indicator Light C0480AABA2 Pressure Switch 6753-AEJA-U000...

  • Page 32: Filter Information

    32 \ USER OPERATION MANUAL: Purair Basic Series VII . Filter Information For detailed information on filtration types and how to customize your application, visit the Filtration Guide on our website: www.airscience.com/filtration-guide. Filter Types Air Science offers over 12 types of activated carbon and particulate filter media. These formulas can be customized or layered into nearly limitless combinations to best suit your specific application. HEPA filters are available for applications involving particulates and can be combined together with any of our activated carbon filters. 7.1 Filter Descriptions Formula Description GP Plus! The most widely used filter in the range, primarily for solvent, organic and alcohol removal. ACI Plus! Neutralizes volatile inorganic acid vapors.

  • Page 33: Product Specifications

    T. 239-489-0024 \ Toll Free. 800-306-0656 \ F. 800-306-0677 right to make periodic minor design changes without obligation to notify any www.airscience.com person or entity of such change. ©2022 Air Science OW 11777.1 07/22 Air Science, Purair, Multiplex and EFT are all registered trademarks of Air Science Corporation...

This manual is also suitable for:

Purair nanoPurair rxPurair safesearchEdu-juniorCagexP5-24-xt

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