Front Access System
Contents
1. and secure by folding Ludwig clips 3 2 INSTALLATION AS A BUILT UP BANK 9 10 11 12 13 Remove prefilter if applicable by pulling out on Ludwig clips located off center on the top and bottom of the frame Remove all empty PURAFIL modules from frame by disengaging thumb Screws Stack empty frames to form built up bank within the duct to desired dimensions Pre position frame lining up mounting holes between mating surfaces of the frames Clamp frames using C clamps or other holding devices Avoid hardware protruding into the frame causing interference with or damage to modules Mount the frame so modules are horizontal with respect to the floor Rivet the frames using two diagonal mounting holes two per side per frame and two top and bottom where applicable Seal mating surfaces of the PURAFIL frames with Dow silicone to prevent air by pass Fill the modules following the procedure in the Module Filling and Media Replacement Service Guide Insert the modules in the frame with the base of the V toward the front of the frame Engage the thumb screws to secure modules to the frame Insert prefilter if applicable within the frame and secure it by folding Ludwig clips Repeat this process for each frame within the built up bank 3 3 MODULES Proper filling installation and maintenance of the chemical filtration media is critical to the equipment s operation The modules ar2. there is the possibility of moisture collection allow for proper drainage e Do not place heavy equipment on top of the unit e Store Purafil media in a dry place with less than 95 relative humidity 1 5 FOUNDATION AND CLEARANCES FOUNDATIONS Some units may require new or reinforced foundations due to their weight Always be sure to check that the existing foundation is adequate for the unit to be installed Units to be used indoors require particular attention to strength of foundation In some instances a concrete base is best suited to the system Concrete allows less chance for vibration than metal structures CLEARANCE All units should be easily accessible for the required periodic maintenance Do not block return and discharge grilles Sufficient minimum clearances can be recommended by the local PURAFIL representative 2 0 OPERATIONAL CONCEPTS AND DETAILS 2 1 FRONT ACCESS EQUIPMENT APPLICATION The PURAFIL Front Access Equipment used as a built up bank is designed to be effective in commercial applications where large volumes of air are handled including hotels hospitals office buildings schools and auditoriums 2 2 HOW PURAFIL SYSTEMS WORK Years of ensuing field experience and data interpretation have resulted in the development of a complete series of thicker bed modules which are the building blocks of the entire line of PURAFIL filtration equipment Various models of PURAFIL MediaPAK disposable plastic
3. AFIL MAKES NO WARRANTIES AS TO MERCHANTABILITY OR AS TO THE FITNESS OF THE MERCHANDISE FOR ANY PARTICULAR USE AND SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE DIRECTLY OR INDIRECTLY ARISING FROM THE USE OF SUCH MERCHANDISE OR FOR CONSEQUENTIAL DAMAGES No person firm or corporation is authorized to assume for PURAFIL any other liability in connection with the sale of these goods Equipment parts and material manufactured by others and incorporated in PURAFIL equipment are warranted by PURAFIL ONLY TO THE EXTENT OF THE ORIGINAL MANUFACTURERS LIABILITY TO PURAFIL 8 0 TROUBLE SHOOTING SYMPTOM PROBLEM CHECKS REMEDY Particulate filter Airflow too low Heavily soiled filter Replace particulate filter Modules Air by pass Installation of modules Remove modules and install are incorrect with the base of the V toward the front of the frame Frame Air by pass Frame installed Install frame with the modules vertically horizontal with respect to the floor Air by pass Module installed Same as above vertically 9 0 SAMPLE RECORD Sampling Record Schedule Represented By Important Notice The information contained in this bulletin reflects the results of various testing and analytical procedures believed by PURAFIL INC a USA corporation to be useful indicators of the relative performance of air filtration systems and media It is intended for use by
4. ON The condition of the unit upon its arrival is critical to its proper operation Prior to start up inspect the unit carefully according to the check list below Correct any inadequacies before start up to prevent possible damage or inefficiency Note should there be any questions concerning the unit refer to the numbers found on the unit identification plate when contacting the PURAFIL representative PRE OPERATION CHECK LIST YES NO CONDITION 1 Configuration and material are as specified on the sales order form 2 Measurements fit submittal requirements 3 Parts are all present including modules particulate filters and media 4 Module and prefilter fit properly 5 Ludwig clips hold securely and gaskets seal properly 6 Labels and serial numbers are present 7 Airflow direction is consistent with installation requirements check labels attached to unit Note Checking specific points is also imperative after the unit is started up See section 3 4 in this manual for check list 1 4 STORAGE The unit should be protected from the elements during storage especially when storage time is extensive While indoor storage is considered best outdoor storage can be adequate when precautions are taken OUTDOOR STORAGE PRECAUTIONS e Cover the equipment with a tarp Intake and discharge openings must be well covered Use of black plastic as a cover may cause excessive condensation and rusting e If
5. absorption and chemisorption in this stage FIGURE1 PURAFIL CELL 3 0 INSTALLATION After the entire pre operative inspection is finished Section 1 3 complete the following sequence for installation by referring to the instructions below 1 Remove the equipment from the skid and position it in the designated operation location 2 Fill and install modules See Module Filling and Media Replacement Service Guide 3 Install the particulate filter The PURAFIL Front Access Equipment can be used individually as an outdoor air filter or as a built up bank inside an air duct FIGURE 2 PURAFIL CELL MOUNTING HOLE MODULE SECURING DEVICE PURAFIL FRAME LUDWIG CLIP aco a 4 PURAFIL MODULE PREFILTER 3 1 INSTALLATION AS AN OUTDOOR AIR FILTER DON Remove the prefilter if applicable by pulling out on the Ludwig clips located off center on the top and bottom of the frame Remove all empty PURAFIL modules from the frame by disengaging thumb screws Mount the empty frame in the required position so the modules are horizontal with respect to the floor Seal mating surfaces of the PURAFIL frame with Dow silicone to prevent air by pass Fill the modules following the procedure given in the Module Filling and Media Replacement Service Guide Insert modules into frame with base of V toward the front of the frame Engage thumb screws to secure modules to the frame Insert prefilter within frame
6. e designed specifically for PURAFIL media and allow the media to perform to it s maximum efficiency through proper shape and bed depth 3 4 PARTICULATE FILTERS Proper selection and installation of particulate filters for use in PURAFIL systems are necessary steps in obtaining the air quality best suited to the user s needs Particulate filters are available in different sizes and efficiencies and variations in either of these characteristics may affect the efficiency of the PURAFIL system Consult filter information below for further data See Section 5 0 Model Nominal Efficiency Nominal Initial P Terminal Size ASHRAE Airflow Nominal P IWG Maximu m IWG TP 25 12 X 24 20 25 800 1000 0 23 0 35 0 70 24X 24 20 25 1600 0 23 0 35 0 70 2000 3 5 POST START INSPECTION CHECK Before initial start up of system contact your local PURAFIL representative Their name and phone number are attached to your system YES NO CONDITION 1 Joints seals and gaskets do not leak 2 Modules are completely full of media and fit properly 3 Particulate filter has been installed and secured properly 4 0 MAINTENANCE 1 Replace spent media following the procedure in the Module Filling and Media Replacement Service Guide 2 Refer to the Sampling Procedure Service Guide for analysis of PURAFIL media Steam clean interior of the frame yearly Replace prefilter when filled with dust dirt and g
7. ight to be sure the equipment is in safe working condition CAUTION Installer should be a trained experienced service person Check the assembly and component weights to be sure that the rigging equipment can handle them safely Be sure that the unit is balanced well in the transporting device Always conduct a thorough check when the installation is complete 1 2 RECEIVING INSTRUCTIONS Systems are normally shipped assembled and with motors mounted All units are attached securely to skids It is recommended that units be left on their skids for protection and ease of handling while transporting Straps rigging slings or hooks attached to the skits may be used with proper care The units are well protected with triple wall board and are secured with metal bands Forklifts may be used under the skits but exercise caution to prevent damage Upon receiving systems from Purafil Inc note any shipping damage obvious or hidden to your carrier and on your Bill of Lading All problems should be handled between the customer and carrier except for U P S shipments which require the customer to contact Purafil Inc for action e lf the unit is to be stored before use see Section 1 4 in this manual e lf the unit is to be installed immediately be sure to check Section 3 0 in this manual e To uncrate unit cut metal bands and remove packaging e For positioning and special handling see Section 3 1 in this manual 1 3 INSPECTI
8. modules with distinctive V or W shapes have been designed to yield a combination of maximum bed depth high single pass efficiency high sorbtion media content high media surface and lower P performance The individual PURAFIL cell is effective in spaces with low airflow requirements including animal rooms locker rooms and laboratories 2 3 BASIC DESIGN OF THE FRONT ACCESS EQUIPMENT 1 Front Access Equipment includes one or more of the following sequential components which correspond to the numbers in FIGURE 1 PREFILTER as the air enters the unit it passes through a particulate filter the prefilter collects atmospheric dust and larger particles thereby preventing clogging of the perforated surfaces and pellet pores in the next stage of the unit Prefilter options are TP 25 A low efficiency ASHRAE 20 particulate filter which features include a self sealing progressive density non woven synthetic media PP 30 A medium efficiency MERV 6 pleated particulate filter with high surface area and good service life Special Prefilters Special high efficiency particulate filters can be specified in prefilter section of the unit Contact the factory or your Purafil representative for available options PURAFIL MODULES the air then passes through PK12 PM 12 CK 12 CK 24 PK 18 or PM 18 modules containing media manufactured by Purafil Inc The contaminant gases are destroyed by the processes of adsorption
9. persons having appropriate scientific and technical knowledge and experience at their own risk This bulletin does not in any way constitute a representation warranty promise or guarantee by PURAFIL INC of the installed performance of PURAFIL media
10. rease Check gasketing on frame when servicing OTA es 4 2 MEDIA REPLACEMENT PURAFIL engineered dry chemical media has a finite life Our media contains special active ingredients that react with odors and gaseous pollutants to remove them from the airstream Once the active ingredients are spent it is time to replace the media in your system After start up your local PURAFIL representative will work with the owner to periodically secure media samples Purafil Inc will provide regular laboratory analysis of such samples to establish life cycles Note color change of media does not indicate level of remaining life Since every installation varies due to the type and quantity level of the contaminant each operator must develop a sample schedule best suited to their system However until a schedule can be established we recommend that a sample is taken from each vertical media bank and sent for analysis so that a replacement date can be projected with a recommended sampling schedule Media Life Analysis MLA is a complimentary Purafil Inc service MLA Sample Kits are available through Purafil Inc If analysis reveals that it is time to replace the media order the appropriate pounds of media required per module used in the unit See Media Sampling Service Guide for instructions on how to take a media sample from your unit 5 0 DATA SHEET Purafil Service Cell Media Prefil
11. rk area is suggested for changing the PURAFIL media as dusting occurs in fresh media due to handling abrasion Workers should avoid direct inhalation of considerable PURAFIL dust as it induces squeezing In closed unventilated spaces dust masks such as the 3 M No 8500 are suggested WATER Avoid exposing the PURAFIL media to water or precipitation as this dissolves permanganate content Storage of media should be in a dry place with less than 95 relative humidity Exposure of permanganated solution to the skin causes brown staining which is temporary and not harmful This staining can be removed by washing in a diluted solution of water and sodium bisulfite EYE CONTACT If dust is exposed to the eyes or delicate membrane flush thoroughly with water and seek treatment by a physician Follow normal procedures for exposure to abrasive dust 6 0 PURAFIL STAIN REMOVAL PROCEDURE The following stain removal procedure is stated here as information only and neither Purafil Inc any of its subsidiaries nor any agent or employee of Purafil Inc make any warranty or other representation regarding the efficacy or safety of this procedure The stain removal could cause further damage to the garment or to the item from which one may attempt to remove the stain If the dust from PURAFIL Chemisorbant PURAFIL Select or PURAFIL SP media comes in contact with organic material there are two possible stain problems 1 Mangane
12. se dioxide MnO which is insoluble characterized by a medium brown color and is found in expended PURAFIL media can usually be removed by normal washing 2 New unused PURAFIL media contains potassium or sodium permanganate KMnO or NaMnO which is a strong oxidant and will react with and discolor any organic material with which it comes in contact These stains which will be brownish black in color may be removed using a solution of sodium bisulfite in water after the garment has been removed from the person However if the fiber has been damaged by the permanganate removal of the stain may make the damage more apparent CAUTION This procedure should start with a very weak solution gradually increasing the strength until the stain is removed Use of too strong a solution could conceivably cause additional fabric damage NOTE Sodium bisulfite gives off sulfur dioxide SO2 gas therefore it must be used in a well ventilated area 7 0 WARRANTY INFORMATION PURAFIL warrants hardware equipment manufactured by PURAFIL to be free from defects in material and workmanship under normal use and service for one 1 year from shipment date PURAFIL S obligation under this warranty shall be limited to replacing any parts thereof which shall be demonstrated to have been defective THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS PUR
13. ter Frame Size Module Quantity Frame Clearance Per Cell Per Cell Inches Lbs PC 11A 15 TP25 12121 12X12X 11 PM 9 2 1 F 11A 15 PC 12A 30 TP25 12241 12 X24X 11 PM 9 1 F 12A 15 PC 21A 30 TP25 24121 24X 12 X11 PM 9 2 2 F 21A 15 PC 22A 60 TP25 24241 24X24X 11 PM 9 2 F 22A 15 PC 11C 30 TP25 12121 12X12X20 PM 18P 2 2 F 11C 24 PC 12C 60 TP25 12241 12 X 24 X 20 PM 18P 2 F 12C 24 PC 21C 60 TP25 24121 24X12 X20 PM 18P 2 4 F 21C 24 PC 22C 120 TP25 24241 24X 24X 20 PM 18P 4 F 22C 24 PC 12D 50 TP25 12241 12 X 24X14 PM 12DP 1 F 12D 18 PC 22D 100 TP25 24241 24X24X14 PM 12DP 2 F 22D 18 6 0 SPECIAL PRECAUTIONS DISPOSAL PURAFIL media is a non toxic non flammable substance Filtration of contaminants through PURAFIL media causes molecular changes to occur and the resulting product is usually not harmful to the environment Although special precautions are generally not required when disposing of spent media government regulations may require specific disposal procedures if the resulting product could be harmful to the environment Large quantities of PURAFIL media should not be disposed of in dumpster like equipment because the weight of the media could cause difficulties in handling the dumpster Independent laboratory analysis for Environmental Protection Agency toxicity characteristics may be required if the contaminants eliminated from your environment include heavy metals and pesticides INHALATION A well ventilated wo
14. www purafil com SERVICE FRONT ACCESS SYSTEM INSTALLATION OPERATION amp MAINTENANCE INSTRUCTIONS Purafil Inc e 2654 Weaver Way Doraville Georgia 30340 U S A e www purafil com e tel 770 662 8545 800 222 6367 QUALITY AGEMENT SYSTEM CERTIFIED BY DNV Purafil 2012 SrvcGde FAS 01 ISO 9001 2008 TABLE OF CONTENTS 1 0 PRE INSTALLATION INSTRUCTIONS 1 1 SAFETY CONSIDERATIONS 1 2 RECEIVING INSTRUCTIONS 1 3 INSPECTION 1 4STORAGE 1 5 FOUNDATIONS AND CLEARANCES 2 0 OPERATIONAL CONCEPTS AND DETAILS 2 1 FRONT ACCESS EQUIPMENT APPLICATIONS 2 2 HOW PURAFIL SYSTEMS WORK 2 3BASIC DESIGN OF THE FRONT ACCESS EQUIPMENT 3 0 INSTALLATION 3 1 INSTALLATION AS AN OUTDOOR AIR FILTER 3 2 INSTALLATION AS A BUILT UP BANK 3 3 MODULES 3 4PARTICULATE FILTERS 3 5 POST START INSPECTION CHECK 4 0 MAINTENANCE 5 0 DATA SHEET 6 0 SPECIAL PRECAUTIONS 6 1 PURAFIL STAIN REMOVAL 7 0 WARRANTY INFORMATION 8 0 TROUBLE SHOOTING LIST OF FIGURES AND TABLES FIGURE TITLE 1 PURAFIL Front Access Equipment 2 PURAFIL Cell 1 0 PRE INSTALLATION INSTRUCTIONS 1 1 SAFETY CONSIDERATIONS Read this Service Manual carefully Be thoroughly familiar with the controls and the proper use of the equipment This manual should be retained with the unit because it contains the information necessary for proper maintenance There is a pocket envelope provided for this purpose Attach it permanently to the unit Keep all nuts bolts and screws t
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