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the airflow alarm system may need re-calibration. For proper exhaust filter leak scanning purposes, a
minimum clearance of 50 cm (1' 8'') is recommended.
Esco does not guarantee that this distance would be sufficient. It would have to be verified by your
nearest Esco distributor or your service company.
If you intend to connect your cabinet to an external exhaust system, Esco offers an optional Exhaust Collar for
Thimble-Ducting. Installation requirements and instructions are provided with the Exhaust Collar. (Note:
External Exhaust System Installation is not NSF certified).
2.1.5.桠 Electrical Requirements
桠 † The cabinet should be connected to its own dedicated power outlet(s).
桠 † The power rating for each model is shown in below. Ensure that the outlet is rated accordingly.
Model
AC2-4E8-TU
AC2-5E8-TU
AC2-6E8-TU
桠 † The power cable is located on the right hand side of the cabinet and the cord is 2.5 m long. When
preparing the installation site, try to ensure the outlet is located to the right of the cabinet for ease of
access.
桠 † The cabinet's maximum voltage fluctuation is ±2% of nominal voltage. Therefore, where voltage
fluctuation is higher, suitable equipment such power stabilizer or UPS with appropriate feature is
recommended.
桠 † Surge protection and UPS are strongly recommended for better protection. Uninterruptible Power
Supply (UPS) with power stabilization function could also be used to eliminate or minimize the voltage
fluctuation seen by the cabinet. Where UPS is installed, it is recommended that the UPS is sized to
enable the BSC to operate for about 20 minutes to provide ample time for the personnel to react to
the power failure.
桠 † A reliable protective earth connection is recommended for better operation and safety.
2.1.6.桠 Service Line Requirements
桠 † All service lines should be installed by a suitably qualified and/or certified engineer, in accordance
with all applicable local, state and government regulations.
桠 † Service line attachments should be equipped with an emergency shut off valve that can be accessed
quickly and with ease, should the need arises.
桠 † Check whether there is a need to install pressure regulators to reduce the line pressure.
桠 † Your BSC can accommodate service fixtures on the left or right hand side of the cabinet. Make
allowance for the positioning of service lines when planning the installation site to ensure ease of
access to emergency shut off valves.
2.2.桠 Unpacking and Moving your Cabinet
1.†Check the packing labels and delivery note before unpacking to ensure the correct consignment has
been delivered.
2.†Put all packing materials to one side and retain. You may need them to repackage the unit if anything
untoward is discovered with the unit during installation.
3.†If you have purchased an optional support stand this will be attached to the shipping carton of the
cabinet.
4.†Cut the retaining straps and remove the stand (if purchased). This will require at least two persons.
5.†Remove the shrink wrap from the outside of the main carton and dispose of carefully.
6.†If you have not yet done so, remove the retaining straps. Then remove the top of the packing carton.
Power rating
230 VAC 50/60 Hz, 8.6 A
230 VAC 50/60 Hz, 9.5 A
230 VAC 50 Hz, 12 A
Class II Biological Safety Cabinets
5
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