Bard PA13482-A Manual De Usuario

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InstallatIOn
lOcatIOn
General 
The unit must be located outside, or in a well ventilated 
area.  It must not be in the space being heated or cooled.  
A sound absorbing material should be considered if the 
unit is to be installed in such a position or location that 
might cause transmission of sound or vibration to the 
living area or adjacent buildings.
slab mOuntInG
A minimum of 24 inches should be provided between 
the coil inlet and any building surfaces.  Provide a 
minimum of three feet clearance on the service access 
side of the unit.  See Figure 2.
tYPIcal InstallatIOns
1. 
rOOF mOunteD
  –  The unit is mounted on a 
sturdy base on the roof of the building.  Return 
air to the unit is brought through a single return 
grille (grilles with built-in filters are best since they 
enable easy access for filter changing).  Return air 
ducts are attached to the lower section of the front 
panel.  Supply air is brought from the unit to attic 
duct work or to a furred down hall.  Supply air duct 
is attached to the top of the front panel.
 
CAUTION:  All outdoor duct work must be  
 
thoroughly insulated and weatherproofed.  All 
attic duct work must be thoroughly insulated.  
Two inch thick insulation with suitable vapor 
barrier is recommended for both outdoor and 
attic runs.  
 
In roof top installation, as in all installations, the 
air conditioner must be level from side to side.  
However, the unit should have a pitch along the 
length to assure complete external drainage of 
precipitation and of defrost condensate.
2. 
craWl sPace
  –  Duct work installed in crawl 
space must be well insulated and provided with a 
vapor barrier.  In addition, the crawl space must 
be thoroughly ventilated and provided with a good 
vapor barrier as a ground cover.  It is most desirable 
to install the unit will be outdoors rather than inside 
the crawl space, so that it will be readily accessible 
for service.
3. 
slab mOunteD at GrOunD leVel
    This 
type installation is ideal for homes with a slab 
floor construction where a roof mounted unit is not 
desired.  The supply and return duct work can be 
run through a furred closet space.
4. 
thrOuGh the Wall 
 –  This type installation 
requires a suitable framework to be fabricated 
capable of withstanding the unit weight.  Normally 
the unit will be insulated so as to minimize supply 
and return duct work.