Powered Aire LDX1-36 User Manual

POWERED AIRE INC.

www.poweredaire.com

109 Mortensen Road Phone: [phone]
Greenville, PA 16125 Fax: [phone]

EXPLOSIVE AREA AIRE CURTAINS

SPARK RESISTANT CONSTRUCTION FOR HAZARDOUS AREAS

(DOORS UP TO TWELVE FEET HIGH)

SUGGESTED AIRE CURTAIN SPECIFICATIONS

All aire curtains furnished are complete factory assembled units as manufactured by Powered Aire Inc. Greenville,
PA. Units will be manufactured for Class I Division I Group C & D and Class II Group F & G hazardous areas.
Each unit consists of stainless steel casing, centrifugal fans, raised stainless steel inlet screen, discharge nozzle, and
motor(s). The aire curtain unit provides a specific CFM and a uniform velocity across the entire length of the
discharge area.

Units shall be furnished in single increments of sufficient structural strength to be supported from both ends without
intermediate support. Multiple units shall not be permitted. Unit casing shall be a minimum of 18 gauge 304
stainless steel in a number three finish.

Motors will be ¾ horsepower explosion proof suitable for Class I Group D and Class II Group F & G. All internal
wiring will be encased in hard pipe and ran to an explosion proof junction box. Motor(s) will be 1630 rpm each and
shall be heavy duty type equipped with permanently lubricated, shielded ball bearings of equal size at each end and
double extended shafts requiring no outboard bearings. Primary motor voltage shall be 115/208/230 volts 50/60 Hz
single phase or 208/240/480/575 volts 50/60 Hz three phase.

Aluminum fans shall be forward curved centrifugal type, double inlet design. Tangential type blowers and coupling
connection shall not be permitted in order to prevent sparks. Inlet screen shall be perforated stainless steel with mill
grain finish.

Discharge nozzle shall be high efficiency discharge plenum, designed so that the air leaves on a 6 degree plane.
Aire curtain creates a positive air seal with directional airfoil vane. The aluminum vane shall facilitate deflection of
air stream +

20 degrees.

For steam or hot water heated units consult factory.

OPTION I

Non Sparking construction for explosion proof areas control panel shall be an explosion proof Nema type 9, Class
II, Division I and Group E, F, or G. Enclosure will encase magnetic motor starter, overload relays, 115 volt control
transformer and terminal provisio ns for field wiring. A remote mounted explosio n pr o o f han d/ o ff/ automatic selector
switch and an explosion proof door switch can be utilized for turning unit on while the door is open in the automatic
position, or having the unit run continuously regardless of the door in the hand position if specified.

OPTION II

If standard controls are to be remote mounted in a non-explosion proof area, a standard control panel and on/off
switch can be utilized. Standard control panel shall be a Nema 12 enclosure. Enclosure will encase magnetic motor
starter, overload relays, 115 volt control transformer and terminal provisions for field wiring. On/off selector switch
will also need to be placed in a non-explosion proof area if specified. If a door switch is required, it will need to be
explosion proof type.

Unheated unit(s) shall have an 18 month warranty on all parts.

MODEL LDX

Steam / Hot Water Coil

CONTROLS

October, 2013