21 Changi South Street 1 Singapore 486777 Phone: +65 65420833 Fax: +65 65426920
E-mail: ductless@escoglobal.com Website:
www.escoglobal.com/ductless
USER SECTION
CHAPTER 4 – OPERATING YOUR CABINET
4.3 STARTING THE CABINET
1. Prepare a written checklist of materials/apparatus necessary for immediate usage.
2. (Note: This point is only applicable for SPD)Turn on the blower (default FAN PIN is 0000). Leave the
blower on for 3 minutes (default warm-up time is 3 minutes; this setting can be changed though -
refer to section 4.2.1.2). If the cabinet is just being plugged to the electrical power source, PLS
CHECK PANEL message would be displayed; please check that all LEDs and buzzer are on for 6
seconds.
3. Adjust the seating position for optimal operator comfort. It is recommended to use a height
adjustable stool. Refer to section 4.4.1 on ergonomics for more information.
4. After all the apparatuses/items have been arranged, allow the blower to run for another 3 minutes in
order to purge work zone of contaminants.
5. Minimize room activity (personnel movements, closing and opening of doors, etc.) since these
external airflow disturbances may adversely affect the cabinet’s internal airflow, thereby possibly
impairing the containment capabilities of the cabinet.
Should the use of Bunsen burner be unavoidable, use only the burners recommended below:
1. Manufacturer: Integra Bioscience
Product: Fireboy plus
Web page:
http://www.integra-biosciences.com/fireboy_plus_1_e.html
2. Manufacturer: Waterpik
Product: TOUCH-O-MATIC® Bunsen Burner
Web page:
http://professional.waterpik.com/ViewCoreProductNow.cfm?ProductID=76&Appl=4
Users are strongly discouraged from using gas Bunsen burners in the cabinet. These
burners give rise to thermal currents which in turn causes disturbance in the internal
airflow of the cabinet. This could compromise the overall performance of the cabinet.
Comments:
The advantage of this burner is that the flame is automatically cut off by either a
time delay or when the footswitch is not activated. This ensures that the duration
for which the burner operates at the full flame setting required for sterilization is
minimal. Therefore its effect on the cabinet’s airflow is minimized. In addition it is
very safe and reliable (compared to ordinary Bunsen burners) due to features like
excess-temperature protection, flame monitor and alarm display.
Comments:
The advantage of this burner is that the flame is automatically reduced when the
operator removes his/her hand from the platform. The flame’s original intensity is
restored as soon as the operator places his/her hand back on the platform (during this
time, the flame’s intensity is still enough for sterilization). Therefore, compared to a
constant setting burner which always operates at a high setting for sterilization, the
effect on cabinet airflow is minimized to a large extent in this case.
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