TM190-O&M-001-03 Miniflow 8 Manual
Contents
1. CE Caution Please read this Manual thoroughly If you do not understand or are unsure of any information contained in this Manual please contact your Agent or BIOQUELL for clarification OPERATING MANUAL ASTEC MONAIR MINIFLOW 8 TM190 O amp M 001 ASTE MiCROFLOW part of BIOQUELL UK Limited BIOQUELL UK LTD 52 Royce Close West Portway Andover Hampshire SP10 3TS Tel 01264 835835 Fax 01264 835836 Email enquiries bioquell com Revision 3 http www bioquell com Page 1 of 31 DESCRIPTION EN C R NO ORIG CHKD 01 New E PM 2 Address arid telephone numbers updated DE NENNEN ORC 2 w AeA a Address updated and CE Certificate added _ Important please read this manual before using this equipment CONTENTS Introduction Installation General Operating Instruction Fitting and Removal of Filters Control Panel Display Board Monitoring Maintenance Trouble Shooting Coon O A 4 Q NM Filter Types UK Occupational Exposure Limits 2000 Chemical Applications 12 Specification Appendices 1 Notes on COSHH Regulatioris UK Only Calibration Electrical Diagram Care and Cleaning 2 3 4 i Protocol for Testing Monitoring Replacement and Disposal of Filters 5 E 6 CE Certificate 3 Warranty Page 2 of 31 o 1 INTRODUCTION The Monair Miniflow 8 has been2. Place 3 ml of chemical in a beaker on a hotplate Adjust the hotplate to boil off the chemical in about two minutes This gives a concentration of about 100 200 ppm to challenge the filter For testing ACI filters acid adsorbing use sulphur dioxide gas SO at 1 bubbles per second through water Using the Gastec tube sample the outlet airstream from the unit following the instructions given with the Gastec tube one pump stroke for trichloroethylene eight pump strokes for sulphur dioxide for example The reading should be below the Occupational Exposure Limit see Section 10 Enter the result in a record book kept for this purpose This is mandatory under COSHH regulations If a significant level of chemical is noted in the exhaust air the main filter should be changed Page 11 of 31 7 MAINTENANCE IMPORTANT NOTICE Under the Control of Substances Hazardous to Health COSHH regulations effective from 1st October 1989 it is mandatory to maintain written records of checks tests and repairs carried out on safety equipment and these records must be kept for 5 years A summary of COSHH Regulations are provided in Appendix 1 Regular maintenance will reduce the possibility of hazard to the operator and prolong the life of the unit WARNING BEFORE ATTEMPTING ANY INSPECTION OR REPLACEMENT OF ELECTRICAL COMPONENTS IN THE ASSEMBLY ALWAYS ISOLATE THE UNIT FROM THE MAINS ELECTRICITY SUPPLY Airflow The Monair unit
3. Serial Number as stated on Certificate of Factory Testing Complies with the Protection Requirements of the Electromagnetic Compatibility Directive 2004 108 EC and the Machinery Directive 2006 42 EC by means of the following harmonised standard BS EN 61326 1 2006 Tested By TRaC Holly Grove Farm Verwood Road Ashley Ringwood Hants BH24 2DB Certificate No 6623 09 Other harmonized standards used EN 61010 2001 Responsible Person Name O R Cumberlege Position Director Signed Date 10 March 2010 Page 29 of 31 APPENDIX 7 WARRANTY INFORMATION BIOQUELL UK Ltd produces products that are warranted under normal usage against defects in workmanship and materials for one year parts and labour costs from the date of manufacture The Warranty is stated in the Standard Terms and Conditions of sale Export and Agent retailed products are warranted directly by the Agent Please confirm your warranty and liability status with the Agent In addition the Warranty is void unless the following conditions are met a b The product has been installed and used as stated within the Instruction Manual The warranty does NOT include servicing or maintenance An approved service company who have attended our training courses for your product must carry out maintenance of product Failure to maintain or service this product will invalidate the warranty Maintenance must be carried out in accordance with the S
4. Caproaldehyde GP Crotonaldehyde GP Cyclohexanol GP Diethyl ketone GP Dipropyl ketone GP Formaldehyde FOR Gluteraldehyde FOR Mesityl oxide GP Methyl butyl ketone GP Methyl ethyl ketone GP Methyl isobutylketoneGP Propionaldehyde GP Valeraldehyde GP Valeric aldehyde GP Ethers Amyl GP Butyl GP Cellosolve GP Dioxan GP Diethyl ethyl ETH Ethylene oxide GP Isopropyl GP Methyl cellosolve GP Methyl ETH Propyl GP Halogens Bromine GP Butyl chloride GP Carbon tetrachloride GP Chlorine GP Chlorobenzene GP Chlorobutadiene GP Chloroform GP Chloro picrin GP Chloro nitropropane GP Dibromoethane GP Dichlorobenzene GP Dichlorodifluoro methane GP Dichlorodifluoro ethane GP Dichloroethylether GP Dichloromethane GP Dichloromonofluoro methane GP Dichloropropane GP Dichlorotetrfluoro ethane GP Ethyl bromide GP Ethyl chloride GP Ethylenechlorohydrin GP Ethylene dichloride GP Fluorotrichloro methane GP Freon BP gt 20 C GP Hydrogen bromide ACI Hydrogen chloride ACI Hydrogen iodide ACI lodine GP lodoform GP Methyl bromide GP Methyl chloride GP Methyl chloroform GP Methylene chloride GP Monochlorobenzene GP Fluorotrichloro methane GP Page 18 of 31 Paradichlorobenzene GP Perchloroethylene Phosgene Propyl chloride Tetrachloroethane GP MIL GP GP Tetrachlorotheylene GP Vinyl chloride GP Sulphur Compounds Carbon disulphide Dimethyl sulphate Ethyl mercaptan Hydrogen sulphi
5. carry out a manual check of filter saturation once every three months as described below If an odour is noticed it is sensible to check the unit However it must be remembered that the sense of smell is very sensitive for some chemicals e g ammonia or hydrogen sulphide and a slight smell does not mean that the exhaust levels of chemical have approached the maximum acceptable concentration MANUAL MONITORING Manual monitoring should be carried out yearly to check the integral systems on the unit Airflow Measurements An anemometer should be used to check the airflow face velocity at the worksurface Any suitable anemometer may be used including hot wire propeller or vane anemometer A minimum of six readings should be taken at the worksurface Note the result in a record book kept for this purpose This is mandatory under COSHH regulations We advise changing the pre filter if the average airflow drops below 0 3 m s The pre filters will normally need to be changed more frequently than the main filters A blocked HEPA filter where fitted is also indicated by reduced airflow which is not restored after a pre filter change Manual Filter Saturation Detection 1 Select a suitable test chemical and matching Gastec sampling tube Examples include alcohols toluene trichloroethylene or any suitable chemical in routine use in the downflow fume enclosure provided it is well adsorbed and is not dangerously toxic Page 10 of 31
6. ER This indicates the total number of hours running time of the fan LOW AIRFLOW ALARM The alarm is a red light located at the front of the unit In normal operation the red light will not come on If the red indicator lamp starts to flash on intermittently or stays on the pre filter is starting to block with dust and an airflow reading should be taken at the aperture to determine if the pre filter requires changing We advise changing the pre filter if an airflow of 0 3 m s cannot be maintained The correct operation of the alarm may be tested as described in Appendix 2 instructions on replacing filters are given in Section 4 of this manual Page 9 of 31 6 MONITORING GENERAL Under the Control of Substances Hazardous to Health COSHH regulations it is mandatory to check safety equipment at suitable intervals for correct operation A suggested maintenance schedule is given in Section 7 of this manual This section of the manual reviews the manual methods of checking the unit The purpose of monitoring is to detect when the pre filters or main filters cease to operate effectively If the pre filters are blocked the airflow will be reduced at the worksurface If the main filters are saturated they will cease to remove the fumes effectively The Monair units are fitted with a low airflow alarm Details for testing and calibration are in Appendix 2 The Monair units do not have any filter saturation detectors You should
7. Page 4 of 31 e Remove the filter access panel Bring the handle on the filter clamp across the unit from right to left to loosen the clamping Slide the filter into the unit with the gasket down on the filter retaining frame Ensure the filter is touching the back of the unit Clamp the filter by moving the clamping bar from left to right into the unit Replace the front access panel Lower the front section of the head into place and secure the catches in place Pre filter The pre filter is located under the work surface Remove the stainless steel work tray Place the pre filter in the frame provided Locate the frame at the rear of the work surface resting at an angle against the retaining bars in the base Replace the work surface Page 5 of 31 Co GENERAL OPERATING INSTRUCTIONS The downflow fume enclosure may only be operated with the correct filter installed for the application Refer to sections 9 and 10 of this manual for further information If in doubt call Bioquell UK Ltd directly or contact your local dealer To start the unit switch the power switch on The fan will automatically run to give 0 4 m s downflow at the worksurface Check the airflow and filter saturation on a regular basis Section 6 of this manual describes monitoring systems in greater detail and discusses COSHH requirements The unit has a stainless steel work tray which can be removed to clean under the perforated area I
8. S Filtrete pre filter This is a high performance pre filter designed to remove particulates from the airstream The filter material is based on electrets which are permanently charged di electrics They remove particulates from polluted air by strong electrostatic forces generated by the fibres from which they are made The combination of strong electric charge and open structure provides a filter with high efficiency low airflow resistance and high loading capacity Measured efficiency figures for particles in the 0 5 2 0 micron range is 99 with loading capacities up to 113 g m Filtrete will remove fine particles aerosols and mists MAIN FILTERS Fourteen different types of filter media are available for the main filter bed Most of these are impregnated activated carbon to provide a higher filter capacity for lower molecular weight organic compounds and inorganic gases and vapours A number of filter efficiency studies have been carried out and all results using single bed filters show efficiencies very close to 100 1 GP Filter The most widely used filter in the range primarily for solvent fume removal It is manufactured from coconut shell based activated carbon of 5 10 mesh size and surface area up to 1300 m gm Filtration is achieved by the physical adsorption of molecules in the pores of the activated carbon by Van de Waals forces This filter will remove any chemical with a molecular weight greater than 30 and a boiling
9. boratories ETH Filter Diethyl ether is adsorbed on activated carbon but because of its low boiling point the local heat of adsorption can reduce the capacity of the filter Special impregnation allows a chemical reaction which increases filter capacity MIL Filter As the name implies this filter is multi impregnated to handle a wide range of chemicals defined by the Ministry of Defence It will efficiently remove solvent fumes acid fumes hydrogen sulphide cyanides and arsine at high efficiency gt 99 but has a somewhat reduced capacity compared to single impregnated filters It contains noble metals and is thus rather expensive OAL Filter This odour filter is normally used in air purifiers to deal with odours from excreta urine and other materials essentially alkaline in nature OAC Filter Air purifier odour filters for human and animal acid type smells caused by bacterial decay such as cadaverine and putrescine and other odours which are acidic in nature HEPA Filter The High Efficiency Particulate Air filter is a pleated glass fibre material sealed with epoxy resin in an aluminium frame Each filter is tested to ensure a stated particulatle filtration efficiency usually 99 997 according to US Standard 209B or BS 3928 A HEPA filter is sometimes known as an absolute filter EDU Filter The EDU filter has been specially formulated to adsorb the normal range of chemical fumes generated in Schools during GCSE and A le
10. de GP GP SUL SUL Mercaptans high MW SUL Sulphur dioxide Sulphur trioxide Sulphuric acid ACI ACI ACI Tetrahydrothiapene GP Nitrogen Compounds Acetonitrile Ammonia Amines low MW Amines high MW Aniline Diethyl amine Diethyl aniline Dimethyl amine Ethyl amine Hydrogen cyanide Indole Nicotine Nitric acid fumes Nitrobenzene Nitroethane Nitrogen dioxide Nitroglycerine Nitromethane Nitropropane Nitrotoluene Pyridine Urea Uric acid Miscellaneous Adhesives Animal Odours Camphor Carbon monoxide Carbon dioxide Citrus fruits Cooking odours Deodorisers Detergents Hospital odours Human odours Leather Ozone Nicotine Perfumes Petrol Putrescine Resins Toilet odours CYN AMM AMM AMM GP AMM GP AMM AMM CYN GP GP ACI GP GP ACI GP GP GP GP AMM GP GP GP OAL GP GP GP GP GP GP GP OAC OAC GP GP GP GP GP OAC GP OAL 12 SPECIFICATION AIRFLOW Volume of air treated 250 m hr Average downflow 0 4 m s Lighting 1x15W 2 Electronic visual audible low airflow alarm FILTERS Main 8 kg 1 off 540 x 350 x 100 mm SIZE Width 600 mm Depth 600 mm Overall height 800 mm Internal working height 500 mm Weight 50kg CONSTRUCTION Head and base Epoxy coated mild steel frame and head unit Colour Grey Spillage Tray 316 Stainless Steel Fan Centrifugal type ELECTRICAL Voltage Supply 230 V 50 Hz Single phase or 120 V 60Hz or 100 V 50 60 Hz Switche
11. designed to produce a compact unit that will provide operator safety with good access to the working surface A KANE EN a Figure 1 Monair Miniflow 8 Airflow Schematic The main work area has a downflow of gt 0 4 m s to provide containment of fumes The stainless steel work surface can be removed to clean away any spills from the tray The airflow schematic is shown in Figure 1 The head unit contains the mains switch low airflow alarm carbon filter and lights The unit contains 1 x 8 kg carbon filter Page 3 of 31 2 INSTALLATION WARNING INSTALLATION SHOULD ONLY BE CARRIED OUT BY TRAINED AND APPROVED ENGINEERS OR AGENTS ASTEC MICROFLOW OR ITS AGENTS CANNOT ACCEPT RESPONSIBILITY FOR DAMAGE LOSS OR INJURY CAUSED BY OR RESULTING FROM INCORRECTLY INSTALLED EQUIPMENT The Monair Miniflow 8 Fig 2 is supplied completely assembled ON OFT SWITCH LOW AIRFLOW ALARM eT HINGED FRONT PANEL FOR FILTER ACCESS LIGHT STAINLESS STEEL WORKSURFACE y Liz i Y JN AS The unit has an electrical plug fitted with a 3 Amp fuse INSTALLATION OF THE MINIFLOW 8 The unit only requires the fitting of the filters and connecting to the mains electric supply INSTALLATION OF THE FILTER AND PRE FILTER Main Carbon Filter This is located in the head unit 1 Undo the catches on the side of the head unit 2 Open the front of the unit by lifting the front section up until it rests on the top of the head unit
12. e 21 of 31 APPENDIX 2 CALIBRATION TESTING THE LOW AIRFLOW ALARM WARNING CALIBRATION OF THE PRESSURE SWITCH INVOLVES CONTACT WITH THE MAIN BOARD WHICH HAS ELECTRICAL CONTACTS AT MAINS VOLTAGE CARE SHOULD THEREFORE BE TAKEN WHEN CARRYING OUT THE CALIBRATION PROCEDURE 1 Ensure that new a pre filter is fitted in your downflow fume enclosure Switch on the unit indicator lamp should be out 2 Switch off the unit Cover the worksurface Switch on The red indicator lamp will start to flash 3 If a malfunction is indicated by steps 1 or 2 then a pressure switch calibration procedure may be required Details are provided below Remember to remove the worksurface cover before returning the unit to routine use CALIBRATION PROCEDURE The low airflow alarm operates using a differential pressure switch The pressure switch detects a high vacuum situation caused by a blocked pre filter The pressure switch is carefully calibrated before leaving our factory and in the majority of cases calibration will not be required The factory calibration is carried out using a standard GP filter at 240 220 or 110 Volts 50 Hz or 60 Hz mains supply depending on the market area Standard Filtrete pre filter is used If the end user is known then the calibration will be performed using the correct main filter in place In some cases it may be necessary to recalibrate the pressure switch on site for the following reasons 1 A severe knock du
13. ed for use in solvent rooms Contact Bioquell UK Ltd or your local dealer distributor for further information Page 6 of 31 4 FITTING AND REMOVAL OF FILTERS Hazards associated with the removal and disposal of used filters will depend on the use to which the downflow fume enclosure has been put If an activated carbon filter is used with hydrocarbon solvents the filter will retain the solvents without loss and can be removed in the open laboratory A pair of plastic gloves and a plastic bag are supplied with each filter The plastic gloves should be used when removing filters The used filters should be placed in the plastic bag and sealed prior to waste disposal preferably by incineration If dangerous materials such as asbestos dust or radioactive chemicals have been contained by the filter then operator protection which includes the use of respirators and protective clothing may be required The used filter may require disposal by a specialist company As the conditions of use are outside Bioquell UK Ltd control it is the responsibility of the user to ensure that any personnel changing filters are advised of any potential hazards in handling the filters and are provided with any necessary protective equipment or clothing The safety officer in your organisation can normally advise Changing the Pre filter The pre filter is located under the work surface 1 Remove the stainless steel work tray 2 Remove the old filter Place in p
14. ervice Manual and include tasks within stated periods Failure to use approved service companies or BIOQUELL UK Ltd trained personnel for maintenance also affects the CE Marking status of the product removing BIOQUELL s Duty of Care and responsibility Consumables such as pre filters main filters light bulbs and tubes not warranted This Warranty is void if faults are caused by accidental damage mishandling adjustment by unauthorised personnel or failure to follow the correct maintenance and safety precautions as stated in the Instruction Manual The Warranty expressly provided for herein is the sole Warranty provided in connection with the product and no other Warranty expressed or implied is provided BIOQUELL UK Ltd assumes no responsibility for any other claims consequential including lost time or profit or other damage whether based in contract tort or otherwise not specifically stated in this Warranty Except in respect of death or personal injury caused by Seller s negligence or as expressly provided in these Conditions Seller shall not be liable to Buyer by reason of any representation unless fraudulent or any implied warranty condition or other term or any duty at common law or under the express terms of the Contract for any loss of profit or any indirect special or consequential loss damage costs expenses or other claims whether caused by the negligence of Seller its servants or agents or otherwise which a
15. ged in and switched on b Check fuse in mains supply or plug where fitted c Check fuses in electrical input socket Unit operates but the fluorescent light does not come on a Ensure light tube correctly seated b Replace starter lamp c Replace fluorescent tube Fan does not operate a Change motor start capacitor on fan Access to fan is by removing the plate on top of the unit b Motor failure contact Astec or your local distributor for advice Fan operates initially but then cuts out Motors are fitted with a thermal cut out device which will operate if the motor temperature rise exceeds 95 C The most likely cause of overheating is a blockage of the airflow either at the filters or at the exhaust outlet at the top of the unit Low airflow alarm will operate Low airflow light the red indicator lamp comes on at switch on and stays on a The filter is not sealed correctly in the head unit Check the filter gasket is sealing correctly b The fan has failed c The alarm is malfunctioning See Appendix 2 Low airflow light the red indicator lamp comes on at switch on goes off then comes on again a The pre filter is blocked with dust b If replacement of the pre filters does not cause the red light to stay off then the low airflow alarm requires recalibration as described in Appendix 2 FOR FURTHER ADVICE PLEASE CONTACT ASTEC MICROFLOW Page 13 of 31 9 FILTER TYPES PRE FILTER
16. initial filter weight In many cases these values have been determined by experiment in other cases estimated values are used based on experience with activated carbon material and a knowledge of the chemical structure The actual capacity obtained will depend on the conditions of use but the breakthrough point to reach the OEL of the chemical may be up to 70 of this value for normal input loadings Page 17 of 31 Chemical Filter Type Acids Acetic GP Acetic anhydride GP Acrylic GP Butyric GP Caprylic GP Carbolic GP Formic ACI Lactic GP Osmium tetroxide GP Palmitic GP Phenol GP Proprionic GP Valeric GP Alcohols Ethyl GP Amyl GP Butyl GP Cyclohexanol GP Isopropyl GP Methyl methanol GP Propyl GP Aliphatic Hydrocarbons Acetylene GP Iso butane GP Butylene GP Butadiene GP Cyclohexane GP N decane GP Ethane GP Ethylene GP N heptane GP Heptylene GP Hexane GP Hexylene GP Methane GP N nonane GP N octane GP N octylene GP Pentane GP Propane GP Propylene GP Aromatic Hydrocarbons Benzene GP Napthalene GP Ninhydrin GP Styrene monomer GP Toluene GP Toluidine GP Xylene GP Esters Butyl acetate GP Cellosolve acetate GP Ethyl acetate GP Ethyl acrylate GP Ethyl formate GP Isopropyl acetate GP Methyl acetate GP Methyl acrylate GP Methyl formate GP Methyl methacrylate GP Equilibrium Saturation Capacity 96 Aldehydes and Ketones Acetone GP Acetaldehyde FOR Acrolein GP Benzaldehyde GP Butyraldehyde GP
17. lastic bag provided and seal ready for disposal Place the new pre filter in the frame provided Locate the frame at the rear of the work surface resting at an angle against the retaining bars in the base 4 Replace the work surface Main Carbon Filter This is located in the head unit 1 Undo the catches on the side of the head unit 2 Open the front of the unit by lifting the front section up until it rests on the top of the head unit 3 Remove the filter access panel Bring the handle on the filter clamp across the unit from right to left to loosen the clamping Remove old filter Place in plastic bag provided and seal ready for disposal Slide the filter into the unit with the gasket down on the filter retaining frame Ensure the filter is touching the back of the unit 7 Clamp the filter by moving the clamping bar from left to right into the unit Page 7 of 31 Replace the front access panel Lower the front section of the head into place and secure the catches in place Page 8 of 31 5 CONTROL PANEL DISPLAY BOARD FIG 3 jo EL tr LOW AIRFLOW HOUR COUNTER ON OFF Figure 3 Control Panel Display Board MAINS ON OFF Press the switch down to switch on A green indicator lamp will indicate that power is connected to the unit The fan will run at full speed ready for normal operation of the downflow fume enclosure and the lights if fitted will come on The cupboard can be used immediately HOUR MET
18. of an employee to hazardous substances The control of exposure shall be secured by measures other than the provision of personal protective equipment This means the fumes must be contained rather than providing protective suits and masks to staff OEL values must not be exceeded The employer must ensure that safety equipment is properly used The employee must use safety equipment provided correctly The employer must maintain safety equipment in good working order in particular a Exhaust ventilation equipment must be examined every 14 months b Other safety equipment must be examined at suitable intervals a Records of checks tests and repairs must be kept for 5 years Monitoring of exposure to hazardous substances must occur in accordance with a suitable procedure Records of results must be kept for 5 years for general monitoring and for 30 years when they relate to a specific employee Page 20 of 31 13 14 15 Regular medical checks are required when working with certain listed substances or where an identifiable disease is associated with a certain substance An employer must provide suitable instruction and training to employees regarding risks of substances and precautions to be taken Certain other regulations take precedence such as Control of Lead at Work Control of Asbestos at Work radioactive explosive or flammable regulations Mines and Quarries Act and medical treatment regulations Pag
19. point greater than 60 C 2 ACR Filter This filter is impregnated with halide salts and is used for the high efficiency removal of radioactive iodine and methyl iodide It is frequently used for iodination reactions with low level radioactive iodine and efficiencies in excess of 99 9996 have been measured 3 ACM Filter This filter is impregnated with iodine compounds for removal of mercury vapour The filter has been demonstrated to remove mercury from a saturated airstream at ambient temperature to below 5 parts per billion ppb in the exhaust airstream 4 AMM Filter This filter is impregnated with copper compounds to efficiently remove vapour from dilute ammonia solutions and to remove low molecular weight amines 5 ACI Filter This alkali impregnated filter will neutralise volatile inorganic acid vapours such as hydrochloric and hydrofluoric acids and acid gases such as sulphur and nitrogen dioxides 6 SUL Filter A potassium iodide impregnated filter designed to remove hydrogen sulphide and low molecular weight mercaptans T CYN Filter A multi impregnated filter to a military specification for removal of hydrogen cyanide gas Many cyanide compounds will evolve HCN gas if Page 14 of 31 acidified so this filter is normally specified if working with any cyanide compound FOR Filter This filter is impregnated with an oxidising agent to oxidise formaldehyde to formate salts It is widely used in hospital pathology la
20. rfaces should be thoroughly dried and all traces of the solution removed the area should then be treated with a neutralising agent Open vessels left inside the equipment which are likely to cause Chlorine vapours may also result in staining of the metal surfaces Should the surface of the stainless steel become stained it may be cleaned by mechanical polishing and special treatment of the affected area Our service department can help with this process PLASTIC COMPONENTS Cleaning of the plastic items should only be carried out with mild detergent or chlorine based cleaning solutions Care must be taken not to apply chlorine solutions to any stainless steel metalwork as this will potentially cause staining Do not apply heat abrasive materials solvents or solvent wipes to the surface as this can cause irreparable damage PAINTED AND OTHER COMPONENTS Caution Do not use water around electrical connections switches etc To clean all painted and other components use a damp cloth and when required a liquid detergent Note Do not use abrasive cleaners Page 28 of 31 APPENDIX 6 CE CERTIFICATE EC DECLARATION OF CONFORMITY FOR ATTACHMENT OF CE MARK CE We the manufacturer BIOQUELL UK Limited 52 Royce Close Portway Industria Estate Andover Hampshire SP10 3TS Tel 44 0 1264 835835 Fax 44 0 1264 835836 Declare under our sole responsibility that the appliance MINIFLOW 8 Recirculatory Fume Cupboard
21. ring transport 2 A change in the mains voltage or frequency 3 Use of a different main filter from the used during factory calibration The pressure switch is located behind the control panel The pressure switch is located under the electrical panel access plate on the top of the unit The downflow fume enclosure should be fitted with main filter and new Filtrete pre filter Switch on and wait 30 seconds to warm up 1 Unscrew anticlockwise switch by 2 turns The red warning light should now be off 2 Screw switch clockwise until the red warning light JUST comes on Page 22 of 31 9 Unscrew switch by 5 degrees half an hour on the HOUR hand of a clock so the red warning light goes out 4 Check calibration by switching the unit off and covering the worksurface Switch on The warning light should come on It should be noted that the alarm is NOT an ON OFF device but will start to flicker as the pre filter progressively blocks with dust Page 23 of 31 230 V ac 1 AMP AC LIVE 1 AMP 7 NEUTRAL ON OFF EARTH APPENDIX 3 ELECTRICAL DIAGRAM PRESSURE SWITCH AIRFLOW LOW LIGHT FLUORESCENT LIGHT UNIT Page 24 of 31 APPENDIX 4 PROTOCOL FOR TESTING MONITORING REPLACEMENT AND DISPOSAL OF FILTERS BEST PRACTICE In order to clarify best practice for the use of carbon filters Astec Microflow would like to recommend the following guidance This guidance is primarily for Carbon filters b
22. rise out of or in connection with the supply of the Goods or their use or resale by Buyer and the entire liability of Seller under or in connection with the Contract shall not exceed the price of the Goods Note When requesting a Warranty visit please have the following information available i Product model number and name Page 30 of 31 ii Serial number iii Date of last service and Service Company iv Nature of fault and any other comments likely to indicate cause of fault v A Purchase Order number to cover costs incurred if visit is outside the scope of the Warranty BIOQUELL UK Ltd or other nominated personnel will carry out warranty visits In the event of any health and safety incidents please advise us in writing at the earliest opportunity This warranty and all other contractual issues shall be governed by English law and the parties agree to submit to the nonexclusive jurisdiction of the courts of England Page 31 of 31
23. s Mains On Off Fuses 2x3 Amp Power rating Max 690 Watts Current Drawing 0 4 Amps at 230v 0 8 Amps at 120v 100v OPTIONS Polypropylene spillage tray ENVIRONMENTAL CONDITIONS Indoor use only Temperature 10 C to 35 C Maximum relative humidity 80 Main supply voltage fluctuations not to exceed 10 of nominal Pollution degree 1 Page 19 of 31 APPENDIX 1 NOTES ON COSHH REGULATIONS UK ONLY The Control of Substances Hazardous to Health COSHH regulations effective from 1st October 1989 The regulations are the UK implementation of an EEC Council Directive 80 1107 EEC The regulations require an employer to protect his employees and any other people whether working for him or not from hazardous substances A hazardous substance is defined as a A substance which is on the list of hazardous substances as defined by the Classification Packaging and Labelling Regulations 1984 b b A substance for which an Occupational Exposure Limit OEL value exists This list is similar to US Threshold Limit Value levels TLV c Amicro organism which creates a health hazard d Dust at a substantial concentration in air D Any substance which creates a hazard to health similar to the hazards created by the substances in a to d Note Paragraph 4 e is a catch all section The employer is responsible for assessing the risk to an employee The employer must prevent or control the exposure
24. s are fitted with a low airflow alarm With this model you should test the alarm once a year as described in Appendix 2 of this manual to ensure it is operating correctly Filter Saturation The Monair units do not have any filter saturation detection systems The filter condition should be monitored regularly i e every 3 months or more frequently if required Cleaning and Inspection You should carry out the following procedures at six monthly intervals 1 Remove the spillage tray where fitted and wash in dilute detergent solution 2 Wash the interior surface of the cupboard with dilute detergent solution 3 Inspect the cupboard frame and panels for mechanical damage The following checks should be made every 12 months 1 Check the condition of the electric cable and plug 2 The electrical earthing and insulation should be inspected by a qualified electrician 3 Check the fan for correct running Page 12 of 31 8 TROUBLE SHOOTING WARNING BEFORE ATTEMPTING ANY INSPECTION OF ELECTRICAL COMPONENTS IN THE ASSEMBLY ALWAYS ISOLATE THE UNIT FROM THE MAINS ELECTRICITY SUPPLY Electrical components are mounted behind the control panel Access to the electrical components is gained by undoing the catches under the control panel and raising it until it rests on the top of the unit Some possible problems and their causes are shown below 1 Unit will not operate no lights or airflow a Check that unit is plug
25. s important to note that once the sealed bags containing carbon filters have been opened they will absorb water from the atmosphere Therefore after 24 months the filters potential life cannot be assured and should be replaced Page 25 of 31 The filter test protocol should be applied during all test monitoring and filter change stages The protocol is to confirm that the filter is correctly fitted and is absorbing the fumes intended Filters ought to be tested six monthly monitored nine monthly and changed 12 monthly Tables 1 2 and 3 detail each product and the relevant test monitor and change periods for the main and safety filters Months to Hours conversion 1 month 175 hours 3 months 500 hours 6 months 1000 hours 9 months 1500 hours 12 months 2000 hours Note Use the shortest time scale that applies FILTER TEST PROCEDURE After installation or when test or monitoring is required the following procedure should be completed a Ensure the unit is switched on and confirm the airflow is correct by measurement or examination of the low airflow alarm b Introduce the chemical challenge that is normally in use within the unit or a less harmful equivalent for example Iso Propyl Alcohol IPA c Test the exhaust or the filter test port to confirm there is no evidence of the chemical If the chemical has been detected then the following checks should be completed This test can be simply carried out u
26. sing Gastec or Draeger detector tubes and the appropriate hand held pump Test pumps and tubes can be supplied by Astec Microflow d Note for some chemicals the chemical tube technique is not the best method for measurement For example Gluteraldehyde should be tested using OSHA 64 American standard method for accuracy Notes Ensure the filter is correctly fitted with the seal seated and compressed 2 Ensure that there are no gaps in the filter seal 3 X Change the filter and retest 4 If the chemical by pass continues contact your agent service provider or Astec Microflow Page 26 of 31 6 FILTER DISPOSAL HEPA and carbon filters must be disposed of safely and in accordance with local legislation and regulations Page 27 of 31 APPENDIX 5 CARE AND CLEANING STAINLESS STEEL COMPONENTS Considerable care has been taken in the selection and processing of the stainless steel components used in the construction of this equipment however even stainless steel can be damaged by chemical attack It is therefore important to ensure that any cleaning or disinfecting procedures used will not cause a chemical attack that may damage the surface of the stainless steel Work surfaces should be kept clean and free of chemical liquids particularly those containing Chlorine Liquids or vapours containing Chlorine are known to cause gradual staining of stainless steel To avoid this when chemicals are used containing Chlorine all su
27. t should be noted that filter blocks do not absorb carbon monoxide or hydrogen However small quantities such as used in schools will not present a hazard because of the large dilution factor from the airflow through the unit and retardation of the chemical in the filter matrix Astec downflow fume enclosures are designed to handle fumes and vapours given off during normal laboratory procedures These will be at the ppm level in the airstream entering the filter block It is NOT recommended that large quantities of solvents or acids should be boiled off in the downflow fume enclosure Always keep a spare set of filters available High concentrations of fumes entering the filter block may temporarily reduce the filtration efficiency For this reason any major spillage within the downflow fume enclosure should be cleared up immediately preferably using spillage absorption granules rather than tissue paper which may aggravate the evaporation of toxic fumes from the spillage area Following a major spillage the main filters must be changed as the heat of wetting may reduce filter efficiency After stabilisation the old filters can normally be re used provided saturation has not been reached The electrical equipment in the cabinet including light fittings and control equipment are in separate enclosures on the clean side of the filter The equipment should not be used in a flammable room atmosphere Specially modified equipment can be provid
28. ut High Efficiency Particulate HEPA filters are referred to when appropriate 2 FILTRATION Carbon filter technology has been safely applied for the absorption of harmful vapours and fumes for many years However there still exists some doubt with users as to the best practice with regard to filter monitoring and changing Astec Microflow has detailed best practice in the following product group Tables 1 2 and 3 Each of these tables express recommended test monitoring and change periods in months assuming a 40 hour working week 3 TEST PROTOCOL TERMS The test period is the maximum period between the filter installation test and the next test for fume bypass of the filter in some applications where heavier loads of chemicals are applied or the chemicals are dangerous then filter testing should be completed weekly or monthly The monitoring period is the maximum period between the filter installation test and the regular weekly monthly filter monitoring for fume bypass The change period is the maximum period between the filter installation and the time to change the filter All the test monitor and change periods are expressed in months Therefore in units of higher usage the month recommendation will be superseded by the earlier number of hours Note The test monitor or change should be completed at the earliest point whether this be for example 6 months or 1000 hours which ever is sooner 4 CARBON FILTER LIFE It i
29. vel classes Advice is available from ASTEC MICROFLOW on the choice of filter block for specific applications Page 15 of 31 UK OCCUPATIONAL EXPOSURE LIMITS 2000 The Updated Occupational Exposure Limits are available on www hse gov uk coshh tablel pdf The exposure limits are expressed in parts per million by volume ppm under the following headings a LTEL Long Term Exposure Limit 8 hour time weighted average reference period b STEL Short Term Exposure Limit 15 minute reference period Gastec and Dr ger sampling tubes are available for most chemicals Page 16 of 31 11 CHEMICAL APPLICATIONS INTRODUCTION The table overleaf gives a list of common laboratory chemicals together with the filter recommended and an estimate of filter capacity The recommended filter is the main single layer filter used for the application It may be possible to use other filters such as the MIL filter or a Multi Layer filter In all cases the filter efficiency for a single layer filter will be close to 100 Chemicals marked are poorly absorbed by all filters and should be used in small quantities only Their exhaust concentration may however be quite low due to dilution with air and retardation in the filter matrix The filter capacity is given as the equilibrium saturation capacity a standard test procedure for activated carbon ASTM D3467 The capacity is expressed as the final filter weight at saturation as a percentage of
Download Pdf Manuals
Related Search