Air Science
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7 \ USER OPERATION MANUAL: Purair Basic Series
III. Installing Your Cabinet
3.1 Choosing a Suitable Location
Locationimpactsthenatureandextentofexternalairowdisturbances,whichmayaffectperformanceofthe
cabinet when it is exposed to these disturbances.
Wheninstallingthecabinet,itshouldbelocatedasfarawayaspossiblefromsourcesofairowdisturbance
andinanorientationwhichoptimallyshieldstheairowofthecabinetfromallexternalairowdisturbances.
Please note that the cabinet should not be placed close to another cabinet.
Please follow these guidelines when choosing a suitable location for your cabinet:
• The location must be far away from:
» Personneltrafcows.
» Air vents (in and out).
» Doors and windows.
» Any other sources of disruptive air currents or air drafts.
• Ifdraftsorotherdisruptiveaircurrentsexceedthefacevelocityofthelter,thepotentialexistsforcontam-
inated air to enter the work zone of the cabinet.
• A minimum distance of 50 cm (20 in) to the top of the ceiling is recommended for blower changing
purposes.
• Aclearanceof183cm(6ft)infrontofthecabinetisstronglyadvisedinordertomaintainproperairow.
• Please permit adequate space for cleaning behind the cabinet.
3.2 Environmental / Electrical Conditions
The equipment is designed to be safe for at least the following conditions:
» Indoor use.
» Altitude < 2,000 m (6,562 ft).
» Temperature range 5ºC to 40ºC (41ºF to 104ºF) ambient.
» Relative humidity <80% up to 31ºC (88ºF) decreasing to <50% at 40ºC (104ºF).
» UL Installation Category II.
» UL Pollution Degree 2.
» Continuous operation.
» Electrical supply tolerance of –10% / +10%.
» 120VAC, 60Hz, 10A or 230VAC, 50Hz, 5A.
» Fuse: 250V, 10A, Time Lag Low Breaking for 120VAC or Fuse: 250V, 5A, Time Lag Low Breaking
for 230VAC.
» Always ensure unit is connected to a reliable and properly grounded receptacle.
» Appliance inlet on this device is the disconnect device; appliance should not be positioned so that
itisdifculttooperateit.