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Germfree BBF-3SSRX - User Manual

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Germfree - Class II, Type A2 Biosafety Cabinet User Manual - v2.1 - 09SEP2021 - RMH
Class II, Type A2 Biosafety Cabinet
User Manual

Questions and Answers

  • B
    Brandi HouseAug 6, 2025
    What to do if there is no air circulation in Germfree BBF-3SSRX Laboratory Equipment?
    • W
      wagnersamanthaAug 6, 2025
      If there's no air circulation, check the motor blower control. Also, inspect the circuit breaker on the control panel. Finally, using the electrical diagram, check the wiring connections.
  • H
    Hunter VegaAug 10, 2025
    What to do if the Germfree Laboratory Equipment air supply is inoperative?
    • P
      pereztaraAug 10, 2025
      If the air supply is inoperative, first, check the main switch to ensure it is on. Make sure the plug is properly inserted into the electrical outlet and that the green light switch is illuminated.
  • D
    deanwhiteAug 14, 2025
    What causes exhaust air imbalance in Germfree Laboratory Equipment and how to fix it?
    • V
      Virginia HowardAug 14, 2025
      Exhaust air imbalance can be caused by several factors. First, check for any obstruction over the exhaust filter and remove it. Second, make sure that the blower motor control is properly adjusted to the correct reading on the Magnehelic gauge. Third, check for and remove any obstruction of the plenum. If these steps do not solve the problem, there may be a leak between the blower and plenum, or the filters may need to be replaced.
  • M
    Michael MartinAug 18, 2025
    Why is the air velocity low in my Germfree BBF-3SSRX?
    • S
      singletonelizabethAug 18, 2025
      Low air velocity could be due to an obstruction in the plenum. Remove any obstruction. Other possible causes include low voltage on house current, loaded filters, improper adjustment of the blower motor, or a leak between the blower and plenum.
  • M
    Michelle GonzalezAug 23, 2025
    What causes high velocity air in Germfree Laboratory Equipment?
    • W
      William ParsonsAug 23, 2025
      High air velocity can be caused by an exhaust air outlet obstruction. Remove the obstruction. Other possible causes include exhaust filter rupture, supply filter rupture, supply filter gasket leak or improper adjustment of blower motor speed control.
  • S
    smithjessicaAug 27, 2025
    How to fix excessive blower vibration in Germfree BBF-3SSRX?
    • R
      reedjulieAug 27, 2025
      Excessive blower vibration is often caused by foreign matter in the blower squirrel cage. Remove any paper, paper clips, or other debris.
  • M
    melanie72Sep 1, 2025
    What to do if there is non-laminar airflow in Germfree Laboratory Equipment?
    • J
      Jennifer BrownSep 1, 2025
      Non-laminar airflow can be caused by a large object obstructing airflow. Remove the item.

Summary

Installation

Electrical Services

Control of Airflow

Filters

Certification and Repair

Procedures for filter certification, testing, and repair.

Motor Blower

Performance Testing

Use of the Biosafety Cabinet

Good Technique

Best practices for safe operation and handling within the cabinet.

Biological Safety Cabinet Operation Donts

Troubleshooting

Dimensions

Parts List

Appendix B Wiring Diagrams

Appendix C Sensocon User Manual

Mounting Procedures

Details flush and retrofitting mounting steps for the controller.

Pressure Connections

Guides on connecting pressure lines to the Sensocon controller.

Electrical Connections

Outlines wiring instructions for the Sensocon controller.

Set-Up Menu Configuration

Covers configuration options for control type and set points.

Alarm Configuration

Settings for high, low, or high/low alarms and their behavior.

Zero Calibration

Calibration procedure for setting the zero pressure point.

Span Calibration

Calibration procedure for setting the full-scale pressure reading.

Security Access Control

Sets up password protection for menus and variables.

Germfree BBF-3SSRX Specifications

General IconGeneral
CategoryBiological Safety Cabinet
ConstructionStainless Steel
FilterHEPA
UV LightYes
TypeClass II
ClassClass II
Width36 inches

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