Labcaire F100 Fume cupboard
Contents
1. TURN TO LOCK fasteners The filter clamp frames can now be removed from inside the head unit The first filter is inserted onto the frame and moved to the side to locate The second filter is then inserted and moved to the other side to leave a gap in the centre The two clamp bars can now be replaced with the central spacer locating the filters in place The filters should now be clamped using the thumbscrews F100 Ductless Fume Enclosure Operators Manual S z Low AIRFLOW ALARM A pressure switch is fitted between the fan and filter to indicate when the pre filter requires changing As the pre filter becomes blocked the vacuum increases until the switch is operated and the red warning light on the control panel starts to flicker or remains permanently on If replacing the pre filter does not remove the alarm condition then the switch requires re calibration CALIBRATION NOTE Removal of the top cover will expose live terminals This must only be carried out by a competent electrician 1 Fit new pre filters into the cabinet 2 Switch on and allow a few minutes for airflow to stabilise 3 Remove the top cover on the head unit Turn screw fully anti clockwise on the plastic pressure switch 4 PLACE AN ACCURATE AIRFLOW METER in the area of the working aperture and measure airflow 5 Impede into the filters using plastic sheeting over the pre filters to simulate blockage until the airflow reduces to just2. LABCAIRE For Tomorrow s Environment F100 Ductless Fume Enclosure Operators Manual Issue 02 June 2002 Labcaire Systems Ltd 175 Kenn Road Clevedon North Somerset BS21 6LH Tel 44 1275 793000 Fax 44 1275 341313 info labcaire co uk www labcaire co uk Registered in England No 2683459 CE Marking certifies that this equipment conforms to following EEC directives Low Voltage Equipment 72 23 EEC amp 93 68 EEC Electromagnetic Compatibility 89 336 EEC 150 9001 FM40018 ISO 13485 MD79359 CONTENTS CZE 1 INTRODUCTION E 1 SEC TION 2 ardi a d deidiau ediro 2 GENERAL OPERATING 2 SECTION S EN 3 GENERAL INSTALLATION 3 SEGTON E aaa aa 4 FILTER En TE E le E A LOW AIRFLOW dE SEA vg 5 ET UM 5 DEE 5 SECTION EEN 6 MONITORING 6 AIRFLOW 5 6 MANUAL FILTER SATURATION DETECTION 7 Leg I
3. Tel 01275 793000 UK Fax 01275 341313 INT Tel 44 1275 793000 INT Fax 44 1275 341313 E mail info labcaire co uk service labcaire co uk Website http www labcaire co uk LABCAIRE fe _ For Tomorrow s Environment A F100 Ductless Fume Enclosure Operators Manual June 2002 Issue 02
4. of about 100 200 ppm to challenge the filter 3 For testing ACI filters acid absorbing or multi filters with acid absorbing layers use sulphur dioxide gas 502 at 2 bubbles per second through water 4 Using the gas sampling tubes sample the outlet airstream from the unit following the instruction given with the tube 5 The reading should be below the threshold limit values Enter the result in a record book kept for this purpose 6 If a significant level of chemical is noted in the exhaust air the main filter should be changed 7 Contact LABCAIRE regarding any monitoring questions F100 Ductless Fume Enclosure Operators Manual a SECTION 6 LOG SHEET Labcaire Ductless Fume Hoods Model Main Filter Type Installation Date Chemicals to be used in the hood PRE FILTER CHECK Date Airflow Filter Changed MAIN FILTER CHECK Date Test Chemical PPM Level Filter Changed Note 1 Log sheet should be maintained for safe and proper operation 2 Log sheet should be accessible to users of unit 3 Any questions regarding Log sheet maintenance of unit chemicals or correct filter should be directed to LABCAIRE F100 Ductless Fume Enclosure Operators Manual e SECTION 7 Regular maintenance will reduce the possibility of hazard to operator and prolong the life of the fume hood Warning Before attempting any inspection or replacement of electrical components in
5. x 300 x 72mm HEPA LA 5211 500 x 250 x 72mm 10 F100 Ductless Fume Enclosure Operators Manual DH x For Tomorrow s Environment Multiple Application Filters Type Part No Part No Part No lt gt 2 2Kg lt gt 9Kg lt gt 14Kg MCH N A LA 1017 LA 517 1 Height HEPA N A LA 1021A LA 521A 1 Height Carbon N A LA 1021B LA 521B Specify Carbon Code School Ed School s use only N A LA 1016 LA 516 Particulate Pre filters LA 113 Pre filters filtrete 500mm x 250mm Pack of 10 LA 1013 Pre filters filtrete 600mm x 340mm Pack of 10 LA 513 Pre filters filtrete 600mm x 450mm Pack of 10 LA 113G Pre filters gauze 500mm x 250mm Pack of 10 10136 Pre filters gauze 600mm x 340mm Pack of 10 LA 513G Pre filters gauze 600mm x 450mm Pack of 10 MCM MULTICHEMICAL CUSTOMISED Specifications subject to change in the interest of product improvement 11 100 Ductless Fume Enclosure Operators Manual SECTION 9 Si ELECTRICAL WIRING DIAGRAM Light Socket Pessure Mains Filter 516178 Main Earth Stud ressure Sw t Mounting plate Low Warning Neon ES PRIVATE amp CONFIDENTIAL ISSUE LABCAIRE PRODUCTION _ ae DRAWING No 678 004 A 12 ILABCAIRE For Tomorrow s Environment Labcaire Systems Ltd 175 Kenn Road Clevedon North Somerset BS21 6LH England UK
6. asa E Se tects eta cg des encanta 8 LOG E 8 BEC KE 9 MAINTENANCE 9 CLEANING AND INSPECTION eet 9 E 10 FILTER DESCRIPTION PART NUMBER LIST 10 SECTION 9 vcsceicsisisskescenasssiovsssnevcataseniseicscetadiansenansesentaianjescvaatdanansetesdanaatantasenseienrsiniys 12 ELECTRICAL WIRING DIAGRAM 12 F100 Ductless Fume Enclosure Operators Manual 8 SECTION 1 INTRODUCTION Thank you for purchasing a Labcaire Ductless Fume Enclosure Correctly installed and maintained this unit will give many years of service The unit can be fitted with a wide range of filters for many different applications The correct filter must be used for each range of applications and Labcaire will be able to offer assistance on the best filter for safety and long filter life F100 Ductless Fume Enclosure Operators Manual SECTION 2 GENERAL OPERATING INSTRUCTIONS A The fume hood should only be operated with the correct filter installed for the application If in doubt call LABCAIRE directly B The face velocity at the working aperture is at a maximum with the front lower flap in the closed position The unit should be used in the closed position whenever pra
7. below 0 5m sec 6 Screw switch adjusting screw clockwise until warning light flickers 7 SWITCH OFF Replace the electrical cover panel and remove the plastic sheeting from the cabinet FAN The fan requires no normal maintenance A thermal cut out is fitted into the wiring of the fan to prevent overheating This will reset on cooling but the cause of overheating should be investigated F100 Ductless Fume Enclosure Operators Manual SECTION 5 MONITORING PROCEDURES 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 fume hood aperture If the main filters are saturated they will cease to remove the fumes effectively The airflow through the aperture should be checked manually once per month using the procedure below The low airflow does give an indication when the pre filter requires replacement but further checks are necessary under COSHH regulations and an annual certificate for performance should be issued for the cabinet The main filter must be suitable for the intended use and LABCAIRE should be consulted if in doubt The main carbon filter requires changing from time to time and should be checked at least annually as below If an odour is noticed it is sensible to check the fume hood However it must be remembered that the sense of smell is very sensitive for some chemicals e g ammonia or hydro
8. ce from the working aperture to a bench top opposite it and used by the same operator should be at least 1 5m There should be no opposite wall or other obstruction likely to affect the airflow within 1 5m of the working aperture No fume hood should be installed in a position where it is likely to be affected by any other item of equipment Any room air supply should not be within 2m of the working aperture No doorway or opening window should be within 1 5m of the working aperture The distance from the exhaust to the ceiling should be at least 200mm F100 Ductless Fume Enclosure Operators Manual SECTION 4 FILTER INSTALLATIONS Pre Filter The unit will be despatched with pre filters already installed To change the pre filters The pre filters are supported by a grill and central support plate accessible from the inside of the base assembly Two screws will enable the plate to be moved forwards and then to one side to release the support grill The pre filter on one side can now be changed The plate can then be moved to the far side to change the second pre filter The plate is finally moved back to the centre and along to locate centrally and then the screws tightened Main Filters Two main filters will be supplied and the filter identity should be checked to make sure the correct filter has been selected for the desired use of the cabinet The filter access panel on the front can be opened using the 180
9. ctical A Bunsen burner or other heat source should not be used in the F100 model D LABCAIRE fume hoods are designed to handle fumes and vapours given off during normal laboratory procedures They are NOT recommended when large quantities of solvents are evaporated acid digestion procedures or when working with unknown chemicals Always keep spare set of filters available F High concentrations of fumes entering the filter block may temporarily reduce the filtration efficiency For this reason any major spillage within the fume hood should be cleaned up immediately preferably using spillage absorption granules available from laboratory supply houses rather than tissue paper which may aggravate the evaporation of toxic fumes from the spillage area G Following a major spill the main filters must be changed as the heat of wetting may reduce filter efficiency After stabilization the old filters can normally be re used providing saturation has not been reached H pre filter requires changing due to blockage from particles in the atmosphere This should be changed when the alarm light starts to flicker F100 Ductless Fume Enclosure Operators Manual SECTION 3 GENERAL INSTALLATION RECOMMENDATIONS To avoid air currents in the room affecting the performance of the fume hood we recommend the following 1 The distance from the working aperture to any circulation space should be at least 1m The distan
10. gen sulphide and a slight smell does not mean that the exhaust levels of chemical have approached the maximum acceptable concentration AIRFLOW MEASUREMENTS An anemometer should be used to check the airflow face velocity at the working aperture with the lower door flap down Any suitable anemometer may be used including hot wire propeller or vane anemometer A low cost vane anemometer is available from LABCAIRE SYSTEMS for this purpose A minimum of three readings should be taken across the working aperture Note the result in a record book kept for this purpose We advise changing the pre filter if the average airflow drops below 0 5m sec 100Ifm F100 Ductless Fume Enclosure Operators Manual Mad An average of six measurements equally spaced should be used to compute the average 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 this is not restored after a pre filter change MANUAL FILTER SATURATION DETECTION 1 Select a suitable test chemical and matching Gastec or Draeger sampling tubes Examples include alcohols toluene trichlorethylene or any suitable chemical in routine use in the fume hood provided it is well absorbed and is not dangerously toxic 2 Place 6ml of chemical a beaker a hotplate Adjust the hotplate to boil off the chemical in about two minutes This gives a concentration
11. the unit always disconnect the fume hood from the main power supply CLEANING AND INSPECTION You should carry out the following procedures at six monthly intervals A Clean the spill tray interior surface of the hood with dilute detergent solution B Inspect the hood frame and panels for mechanical damage C Inspect the hinged door for corrosion and correct adjustment of friction hinges where fitted D Remove the pre filter and main filter and inspect the fan assembly for correct operation E Airflow checks F Filter saturation checks G If the model is fitted with HEPA filters then testing requires the use of D O P or similar equipment F100 Ductless Fume Enclosure Operators Manual ILABCAIRE T For Tomorrow s Environment SECTION 8 FILTER DESCRIPTION PART NUMBER LIST The following filters are available from the Labcaire custom or bespoke range of both pre filters filtrete and main carbon filters standard or impregnated single or multistage grades Application Filter Code Type Part No Part No Part No lt gt 2 2Kg lt gt 9Kg lt gt 14Kg AC LA 104 LA 1004 LA 504 ALAC LA 106 LA 1006 LA 506 FORM LA 107 LA 1007 LA 507 AMN LA 108 LA 1008 LA 508 SUL LA 109 LA 1009 LA 509 AC R LA 110 LA 1010 LA 510 AC Hg LA 111 LA 1011 LA 511 ACI LA 114 LA 1014 LA 514 CYND LA 115 LA 1015 LA 515 ETHE LA 122 LA 1022 LA 522 HEPA LA 120 LA 1020 LA 520 HEPA Filters Bespoke HEPA LA 525 650
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