3 - INSTALLATION
3.1 - Unit base frame
This unit is for connection to a ducted air system only. It
should not be used without ductwork connected to the air
outlet or discharge side of the unit. It is possible to provide
fresh air to the unit air inlet side without the use of ductwork
via an optional kit containing a louvre system, and protective
hood and grilles. Consult the unit supplier or distributor
for more information.
Due to the size and weight of the units the base frame must
-
unit weight over the building structure.
-
accumulation of rain water.
-
-
The structure should be capable of supporting the unit
weight during installation and operation.
-
The standard unit leaves the factory with the air
discharge and return in the lower section (see Fig. 4) and
the corresponding holes on the roof must be made.
discharge and return openings.
Fig. 4 – Roofcurb accessory - standard vertical
discharge and return
The unit air discharge and return can be horizontal
as an
option (see Fig. 5). In this case, the unit must have been
.
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It is necessary to use adequate sealants and joints to ensure
support so that air and moisture do not enter the building.
WARNING: Do not drill any holes in the indoor coil
area as this might damage the condensate drain pan.
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Содержание 48UA-UH 135
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