Thermo Electron 1284 Operating And Maintenance Manual Download Page 1

Page: 1 / 41

Models:

1284, 1285, 1286 and 1287

Forma Class II, Type A2

Biological Safety Cabinets

Operating and Maintenance Manual

Manual No: 7011284 Rev. 1

Summary of Contents for 1284

Page 1: ...Models 1284 1285 1286 and 1287 Forma Class II Type A2 Biological Safety Cabinets Operating and Maintenance Manual Manual No 7011284 Rev 1 ...

Page 2: ...ontents and the product it describes are subject to change with out notice Thermo Electron Corporation makes no representa tions or warranties with respect to this manual In no event shall Thermo be held liable for any damages direct or incidental aris ing out of or related to the use of this manual MANUAL NUMBER 7011284 1 21650 HD 1400 6 23 03 Removed one valve from the workspace on 4 ft units cc...

Page 3: ...edures must be used when following instructions associated with this symbol Reference O S H A Regulation 1910 1030 Potentially hazardous energy Equipment being maintained or serviced must be turned off and locked off to prevent possible injury Reference O S H A Regulation 1910 147 Hot surface s present which may cause burns to unprotected skin or to materials which may be damaged by elevated tempe...

Page 4: ...Model 1280 Series ___________________________________________________________________________Service iii ...

Page 5: ... 7 1 7 2 Use of Auxiliary Equipment in the Cabinet 7 1 7 3 Cabinet Checklist 7 1 7 4 Start Up Procedure 7 1 Section 8 Troubleshooting 8 1 8 1 Troubleshooting Guide 8 1 Section 9 Routine Maintenance 9 1 9 1 Checking the Static Pressure Gauge Zero 9 1 9 2 Zeroing the Static Pressure Gauge 9 1 9 3 Adjusting the Damper 9 1 9 4 Biological Safety Cabinet Test Grids 9 2 9 5 Blower Control 9 3 9 6 Recepta...

Page 6: ...escribed in the Biosafety In Microbiological And Biomedical Laboratories CDC NIH Publication No NIH 88 8395 4th Edition May 1999 The cabinet s window permits the user to place auxiliary equipment and research implements in the work area The work opening must be held to 10 inches during all work procedures If the window is raised higher than the designated 10 inches the air barrier at the front of ...

Page 7: ...d monitored by a biological safety officer or other qualified individual However if flammable gas is used emergency shut off valves must be located in an accessible area external to the cabinet a Universal Plumbing Option The Universal Plumbing option is factory installed External connection 1 4 NPT to the unit is available on the top and the underside of the cabinet as well as the standard side c...

Page 8: ...Model 1280 Series ________________________________________________________________________Installation 3 2 INPUT FOR AIR OR VACUUM AIR OR VACUUM INPUT Back of BSC Front of BSC Figure 3 1 ...

Page 9: ...Model 1280 Series ________________________________________________________________________Installation 3 3 Figure 3 2 ...

Page 10: ...e stress of shipping and handling and the fragile nature of the HEPA filters the cabinet must be thoroughly tested when it has been placed in its final location The following tests should be performed HEPA Filter Leak Test DOP Test Downflow Velocity Profile Test Face Velocity Air Flow Test Voltage Test These tests must be performed by qualified service special ists who are familiar with the method...

Page 11: ...ng settings Off center On top fluorescent lamp On bottom ultra violet lamp on with the window completely down Either the fluorescent lamp or the ultra violet lamp may be lit at one time Alarm By pass Switch The Alarm By pass switch silences the audible Window Above 10 Inch alarm for five minutes The red visual indicator remains illuminated The alarm rings back to remind the operator that the windo...

Page 12: ...cabinet and be used only in the event of a major spill If a spill occurs immediately consult a biological safety officer or other qualified individual for proper procedures To contain a spill connect a sealed hose from the drain valve to a sealed con tainer Service Valves Two service valves are standard with each cabi net These valves are located on the right and left side of the workstation and c...

Page 13: ...dry before turning power on Do not use strong alkaline or caustic agents Stainless steel is corrosion resistant not corro sion proof Do not use solutions of sodium hypochlorite bleach as they may also cause pit ting and rusting Section 7 Cabinet Start Up 7 1 General Recommendations Keep movement in the room to a minimum when the cabi net is in use Keep all laboratory doors closed to prevent drafts...

Page 14: ... system The system must be rebalanced to handle the correct air volume A biological safety officer should be consulted Low voltage is being applied to the blower motor Blower motor or speed control is defective Supply HEPA filter and Exhaust HEPA filter may be loaded Decontaminate the unit and replace both HEPA fil ters Before any maintenance work is performed in the biological safety cabinet the ...

Page 15: ...to raise it 9 3 Adjusting the Damper Since the HEPA filter resistance may vary from filter to fil ter even filters of the same size a damper has been installed in the cabinet exhaust system for maintaining proper airflow balance The purpose of the damper is to regulate the amount of exhaust air intake velocity and supply velocity The damper has been preset at the factory and should not be readjust...

Page 16: ...e cabinet 2 Loosen the wingnut move the lever to the desired position and retighten the wingnut Copies of the factory airflow test sheets are available in the Specifications section 9 4 Biological Safety Cabinet Test Grids a 4 foot Series Models 1284 and 1285 Model 1280 Series ____________________________________________________________________Routine Maintenance 9 2 Figure 9 2 Figure 9 3 ...

Page 17: ...ler Refer to Figure 9 1 Turning the screw clockwise increases air veloci ty counterclockwise decreases it Model 1280 Series ____________________________________________________________________Routine Maintenance 9 3 The blower speed is factory set and should only be changed by a qualified technician Measuring Blower Motor Voltage Both blower motor voltage and line voltage are measured at the three...

Page 18: ...__________________________________________________________________________Service 10 1 12 Disconnect the motor wiring harness at the quick con nect plug 13 Pull the motor motor mounting bracket removable inlet collar and blower wheel out of the blower housing 14 Be sure to mark on the motor shaft the location of the blower wheel so that the new motor shaft can be lined up correctly with the requir...

Page 19: ...e four hex nuts securing the lower cross brace and set the brace to the side 6 Remove all hex nuts securing the pressure plate 7 Pry the pressure plate loose from the gasket and set it to the side 8 Pull the Velcro boot loose from the exhaust filter plenum 9 Release the two latches securing the supply plenum to the blower housing 10 Disconnect the vinyl tubing that connects the Mag gauge to the pl...

Page 20: ...B x 5 7 8 H Lights 2 Fluorescent 32W F32 T8 1 Optional UV 30W G30T8 Germicidal Lamp Blower Motor 3 4 HP 1500 RPM Drain Pan Capacity 27 0 Gallons Section 11 Specifications 11 1 Models 1284 and 1285 4 Cabinet with Sliding Window Construction Work Surface Type 304 Stainless Steel 4 Finish Cabinet Cold Rolled Steel and Type 304 Stainless Steel Finish White Baked Powder TCI Hybrid Paint Dimensions Exte...

Page 21: ...nature of the electricity supply and its overvoltage protection means For example in CAT II which is the category used for instruments in installations supplied from a supply comparable to public mains such as hospital and research laboratories and most industrial laboratories the expected transient overvoltage is 2500V for a 230V supply and 1500V for a 120V supply 2 Pollution degree describes the...

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Page 26: ...h the addition of the following Stock Description 275012 Transformer 1 5KVA 240 120V 460270 European Cord 230V 16A 230203 Circuit Breaker Switch 13A Model 1280 Series _________________________________________________________________Accessories Parts List Section 12 Accessories Description Order Number Service Valve 191275 Armrest 4 cabinet 191509 Armrest 6 cabinet 191512 Lab Chair with arms 191486...

Page 27: ...h SPDT 249025 Valve Body w Tip 104008 Gauge Static Pressure 360146 Rocker Switch DPST 230166 Fuses 3 Amp 1 4 x 1 1 4 230204 Circuit Breaker Switch 18A The parts for the Model 1287 are the same as Model 1286 with the addition of Stock Description 275012 Transformer 1 5KVA 240 120V 430270 European Cord 230V 16A 230179 Circuit Breaker Switch 10A 13 3 Filter Pressure Drop Conversion Pressure drop acro...

Page 28: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 1 ...

Page 29: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 2 ...

Page 30: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 3 ...

Page 31: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 4 ...

Page 32: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 5 ...

Page 33: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 6 ...

Page 34: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 7 ...

Page 35: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 8 ...

Page 36: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 9 ...

Page 37: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 10 ...

Page 38: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 11 ...

Page 39: ...Model 1280 Series ________________________________________________________________ Electrical Schematics 14 12 ...

Page 40: ...tten and or practical examinations The Controlled Environment Testing Association CETA is a trade association devoted to promoting and developing quality assurance within the controlled environment testing industry A list of active members is available by contacting the organization Controlled Environment Testing Association 1500 Sunday Drive Suite 102 Raleigh NC 27607 Telephone 919 787 5181 Fax 9...

Page 41: ...Thermo Electron Corporation Controlled Environment Corporation Millcreek Road P O Box 649 Marietta Ohio 45750 U S A Telephone 740 373 4763 Telefax 740 373 4189 ...

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Thermo Electron 1284, Operating And Maintenance Manual

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