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PRODUCT DESIGN
5
Outside Slab Installation -Multi-positional (M)
NOTE: Roof overhang should be no more than 36" and provi-
sions made to deflect the warm discharge air out from the
overhang.
Minimum clearances are required to avoid air recirculation
and keep the unit operating at peak efficiency.
Roof Curb
Rooftop Installation - -Multi-positional (M)
NOTE: To ensure proper condensate drainage, unit must be
installed in a level position.
In installations where the unit is installed above ground level
and not serviceable from the ground (Example: roof top in-
stallations) the installer must provide service platform for ser-
vice person with rails or guards in accordance with local codes
or ordinances, or, in their absence, with the latest edition of
the Uniform Mechanical Code Section 305.
NOTE: Unit can also use roof curb (and platform for leveling,
where necessary) to utilize bottom discharge.
WARNING
TO PREVENT POSSIBLE PROPERTY DAMAGE, THE
UNIT SHOULD REMAIN IN AN UPRIGHT POSITION
DURING ALL RIGGING AND MOVING OPERATIONS.
TO FACILITATE LIFTING AND MOVING IF A CRANE IS
USED, PLACE THE UNIT IN AN ADEQUATE CABLE
SLING.
IMPORTANT: If using bottom discharge with roof curb,
ductwork should be attached to the curb prior to installing
the unit.
NOTE: Single phase models require installation of horizontal
duct kit #20464501PDGK (medium chassis) and
#20464502PDGK (large chassis) when using bottom dis-
charge.
Refer to Roof curb Installation Instructions for proper curb
installation. Curbing must be installed in compliance with the
National Roofing Contractors Association Manual.