
27
Chapter 6: Maintaining Your Vertical Clean Bench
Product Service 1-800-522-7658
Routine Maintenance Schedule
Weekly
•
Wipe down the interior surfaces of the enclosure with a
disinfectant or cleaner, depending upon the usage of the
unit and allow to dry.
•
Using a damp cloth, clean the exterior surfaces of the
enclosure, particularly the front and top to remove any
accumulated dust.
•
Operate the exhaust system, noting the airflow velocity out
the front of the enclosure using a source of visible smoke.
Airflow monitors are recommended for constant
monitoring.
Monthly (or more often as required)
•
Determine the actual downflow velocity 6" below the upper
diffuser of the enclosure where the average reading should
be at the specified velocity. (Use calibrated thermal
anemometer or other approved apparatus). Airflow alarms
are recommended for constant monitoring.
•
All weekly activities.
•
Check downflow velocity. Increase speed control or
change HEPA filter when downflow velocity of the
enclosure drops below the recommended speed for your
facility or if the airflow alarm monitor alerts you. Airflow
monitors are recommended.
Annually
•
Replace UV lamps if equipped.
•
Have the enclosure validated by a qualified certification
technician. See Certification and Recertification to follow
in
Chapter 6
.
•
All monthly activities.
•
Change prefilter.
When to Replace HEPA Filters
The HEPA filter in the Purifier Vertical Clean Bench gradually
accumulates airborne particulate matter from the room. The rate of
accumulation will depend upon the cleanliness of the room air, and
the amount of operational time the enclosure is operating. In
typical
HEPA
Содержание Purifier 3970200
Страница 15: ...11 Chapter 3 Getting Started Product Service 1 800 522 7658 Figure 3 1 Vertical Clean Bench Installation ...
Страница 58: ...54 Appendix B Dimensions Product Service 1 800 522 7658 Figure B 1 Purifier Vertical Clean Bench ...
Страница 60: ...56 Appendix C Vertical Clean Bench Specifications Product Service 1 800 522 7658 C 1 ...
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