Esco Class II User Manual

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Two steps of tightening are necessary where the first round torque strength should be about one-third of the
final torque required. Over tightening may cause filter damage and potential leak.
5.4.1.1. Exhaust Filter Replacement for AC2-_E_ and AC2-_S_ Class II BSC
Figure 5.2. Filter Replacement for AC2-_E_ and AC2-_S_
1. Move the Sash Window down until it reaches the armrest.
Note: For motorized sash BSC, remove the window straps after moving the sash window to the lowest
position.
2. Remove red plenum cover using Phillips screwdriver.
3. Unclip those four red clips to lower down the sliding filter bracket.
Caution: Be careful when lowering down the sliding bracket because it might damage the filter gasket
4. Take out the exhaust filter carefully.
5. To install new filter, just do a reverse procedure from Step 4 to Step 1.

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