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Chapter 4: High Performance Features and Safety
21. Lamp Ballast (Not Shown) for the fluorescent lamp is
located behind the control panel.
22. UV (Ultraviolet) Lamp (Not Shown), found only on
Purifier Class I Enclosure, allows the operator to surface
disinfect the work area of the enclosure when it is not in
use. The UV will not penetrate the plane of the sash and
lower airfoil.
23. Accessory Work Surface (Not Shown) is dished and
contoured to fit the dimensions of the enclosures to contain
spills.
24. Accessory Odor-Control Carbon Filters are available for
nuisance odor control. Accessory carbon filters are
designed to remove trace amounts of noxious fumes;
capacity is not adequate to remove continuous fume
generation. The carbon filters are supported above the
HEPA filter and the gasket side is down and compressed by
the weight of the carbon filter. Carbon filters are listed in
Chapter 7. See Figure 4-2.
25. Accessory Exhaust Connection Kits are available to duct
the Purifier Class I Enclosure and Purifier HEPA Filtered
Enclosure to the outside. The exhaust connection allows
the operator additional protection from hazardous fumes or
vapors and should be used if the carbon filter capacity is
not adequate. Each kit includes an epoxy-coated steel
exhaust transition adapter with manual adjustable damper
designed for 6" diameter PVC duct. See Figure 3-3 in
Chapter 3.
26. Upper Diffuser Screen provides protection for the HEPA
Filter and (LED) airflow sensor. See Figure 4-1 and 4-2.
27. HEPA Filter Access Port to access HEPA filter during
filter changing procedures. For harmful powders and
particulates, the true bag-in/bag-out procedure is used to
properly dispose of the contaminated HEPA filter. See
Figure 4-2.
28. Utility Shelves (Not Shown) allow the user to hold utensils
and printers on shelves inside the enclosure. See Chapter 7.