Esco Class II User Manual

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Class II Biological Safety Cabinets
5.4.1.2. Exhaust Filter Replacement for AC2-_D_ and AC2-_G_ Class II BSC
Figure 5.3. Filter Replacement for AC2-_D_ and AC2-_G_
1. Remove the screws from the bottom of blue panel and then lift up the front panel.
Caution: Use the cylindrical struts to carefully hold open the front panel. Continue to work only after the front
panel is secured.
2. Move sash window to the lowest position.
Note: For motorized sash BSC, remove the window straps after moving the sash window to the lowest position.
3. Remove red plenum cover using Phillips screwdriver.
4. Remove the secondary exhaust filter mounting frame from the front.
5. Remove the secondary exhaust filter.
6. Remove the primary exhaust filter from the front.
7. To install the new filter, reverse Steps 1 to 6.
a. When blower housing onto new filter is secured, please ensure gasket compression is equal
on both downflow and exhaust filter.
b. When the exhaust filter mounting frame is secured, please do not over-tighten the nuts, use
the lowest torque if using a power tool.

Esco Class II Specifications

General

Lighting	LED
UV Light	Optional
Certification	NSF/ANSI 49, EN 12469
Airflow Pattern	Laminar
Inflow Velocity	0.38 m/s ± 20%
Downflow Velocity	0.25 m/s ± 20%
HEPA Filter Efficiency	99.99% at 0.3 μm
Material	Stainless steel
Noise Level	< 65 dBA
Front Opening	200 mm (8")
Application	Microbiology, cell culture
Type	Biosafety Cabinet