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Thermo Electron 1284 Operating And Maintenance Manual

Forma class ii, type a2 biological safety cabinets
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Models:
1284, 1285, 1286 and 1287
Forma Class II, Type A2
Biological Safety Cabinets
Operating and Maintenance Manual
Manual No: 7011284 Rev. 1

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Summary of Contents for Thermo Electron 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 The material in this manual is for information purposes only. The contents 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.
  • Page 3 Model 1280 Series ________________________________________________________________________________Safety Alerts the user to important operating and/or maintenance instructions. May be used alone or with other safety sym- bols. Read the accompanying text carefully. Potential electrical hazards. Only qualified persons should perform the instructions and procedures associated with this symbol.
  • Page 4 Model 1280 Series ___________________________________________________________________________Service...

  • Page 5: Table Of Contents

    Section 3 - Installation ......3 - 1 11.1 Model 1284 ......11 - 1 3.1 Location .

  • Page 6: Section 1 - Receiving

    1.1 Unpacking List 2.1 Description Included with the installation/operation manual are four The Models 1284, 1285, 1286 and 1287 are Class II, Type identification index buttons. These buttons may be used to iden- A2 cabinets. The “Type A2” designation indicates two alterna- tify the type of service supplied to the service valves.

  • Page 7: Section 3 - Installation

    30% more air than the This cabinet is equipped with one power cord supplying cabinet exhausts. Models 1284 and 1285 exhaust an air volume power to the blower, lights and receptacles. The cord should be of 356-390 CFM.
  • Page 8 Model 1280 Series ________________________________________________________________________Installation Figure 3-1 AIR OR VACUUM INPUT Back of BSC Front of BSC INPUT FOR AIR OR VACUUM 3 - 2...

  • Page 10: Section 4 - Certification Testing Procedures

    Model 1280 Series _________________________________________________________________________Installation Section 4 - Certification Testing Procedures A list of certification companies is included on the Thermo Electron website, or call the Technical Services department. See Page iii. Service and certification must be performed by qualified personnel. 4.1 Certification of the Cabinet Certification is recommended: •...

  • Page 11: Section 5 - Operation

    Model 1280 Series _________________________________________________________________________Operation Section 5 – Operation 5.1 Control / Indicating Devices (Figures 5-1, 5-2, 5-3) Before operating the cabinet, become familiar with the fol- lowing items: Blower Switch- The blower switch controls power to the inter- nal blower. Light Switch- The “Lights”...
  • Page 12 Power is controlled by the receptacle switch located on the control panel. The maximum load is 5 amps total for Models 1284 and 1285. Models 1286 and 1287 have a maximum load of 2 amps total. Models 1285 and 1287 are equipped with 2 single European 230V receptacles.

  • Page 13: Section 6 - General Cautions And Cleaning

    Model 1280 Series ______________________________________________General Cautions and Cleaning / Cabinet Start-Up Section 6 - General Cautions and Cleaning Section 7 - Cabinet Start-Up 6.1 Caution Notes 7.1 General Recommendations • Keep movement in the room to a minimum when the cabi- •...

  • Page 14: Section 8 - Troubleshooting

    Model 1280 Series _________________________________________________________________________Troubleshooting Section 8 - Troubleshooting Problem 3: Fluorescent light malfunction Possible causes: 8.1 Troubleshooting Guide • Check lamp pins and socket ends for contact. • Lamp is defective. The following is a guide to troubleshooting the system. If a Problem 4: Loud screeching noise contaminated area of the cabinet must be entered to determine and/or resolve the source of a particular problem, the cabinet...

  • Page 15: Section 9 - Routine Maintenance

    Model 1280 Series ____________________________________________________________________Routine Maintenance 9.3 Adjusting the Damper Section 9 - Routine Maintenance Since the HEPA filter resistance may vary from filter to fil- ter (even filters of the same size), a damper has been installed Before any maintenance work is performed in in the cabinet exhaust system for maintaining proper airflow the biological safety cabinet, the unit must first balance.

  • Page 16: Biological Safety Cabinet Test Grids

    Model 1280 Series ____________________________________________________________________Routine Maintenance 9.4 Biological Safety Cabinet Test Grids a. 4-foot Series, Models 1284 and 1285 Figure 9-2 If it is determined that the damper must be adjusted in order for the proper airflow balance to be maintained, adjust it as follows: 1.

  • Page 17: Blower Control

    Refer to Figure 4-5. 9.6 Receptacle Fuses Receptacle Fuses (7 Amp - Models 1284/1285, 3 Amp - Models 1286/1287) - The receptacle fuses (2), located directly below the blower motor/lights Reset button, are for the receptacles only.

  • Page 18: Section 10 - Service

    (when viewed from the motor side of the blower). 10.1 Replacing Blower Motor (Models 1284/1285, 4 ft.) a. Reversing the motor wiring (4 ft. models only) 10.2 Replacing Blower Motor (Models 1286/1287, 6 ft.) 1.

  • Page 19: Replacing The Filters, All Models

    Model 1280 Series ____________________________________________________________________________Service Assembly Notes: 10.3 Replacing Filters, All Models • Latches connecting the plenum to the blower housing have a safety lock that must be released prior to opening the latch. Dispose of the old filters per established laborato- •...
  • Page 20 Model 1280 Series ________________________________________________________________________Specifications Section 11 – Specifications 11.2 Models - 1286 and 1287 (6’ Cabinet with Sliding 11.1 Models - 1284 and 1285 (4’ Cabinet with Sliding Window) Window) Construction Work Surface: Type 304 Construction Work Surface: Type 304...

  • Page 21: Environmental Conditions

    Model 1280 Series ________________________________________________________________________Specifications 11.3 Environmental Conditions The biological safety cabinets are designed to be electrically safe in the following environmental conditions: • Indoors • Altitude: Up to 2,000 meters • Temperature: 5°C to 43°C • Humidity: 80% RH at or below 31°C, decreasing linearly to 50% RH at 40°C •...

  • Page 26: Section 12 - Accessories

    Model 1280 Series _________________________________________________________________Accessories / Parts List Section 12 - Accessories Section 13 - Parts List Description Order Number 13.1 Model 1284 Service Valve 191275 Stock # Description Armrest, 4’ cabinet 191509 Armrest, 6’ cabinet 191512 156106 3/4 HP Blower Motor (1625 RPM)

  • Page 27: Model 1286

    Model 1280 Series __________________________________________________________________________Parts List 13.2 Model 1286 13.3 Filter Pressure Drop Conversion Stock # Description Pressure drop across a HEPA filter is linear which allows one to accurately predict the pressure drop at various CFM if 156109 HP Blower Motor (1500 RPM) given a starting value.
  • 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: Section 16 - Locating A Certification Company

    Model 1280 Series ____________________________________________________________Locating a Certification Company Locating a Certification Company Biological safety cabinet certification consists of a series of tests designed to verify that the cabinet is performing within operating parameters established by the manufacturer. To assure that a biological safety cabinet is operating as intended, each cabinet should be field-tested at the time of installation and at least annually thereafter.
  • 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...

This manual is also suitable for:

128512861287

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