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7
Rooftop Installation
Roof Curb Installations Only:
•
Sufficient structural support must be determined prior
to locating and mounting the curb and package unit.
• Ductwork must be constructed using industry guide-
lines. The duct work must be placed into the roof curb
before mounting the package unit.
•
Curb insulation, cant strips, flashing and general roof
-
ing material are furnished by the contractor.
Roof Curb Installation
Model
Roof Curb
GPGM5(24-48)***M41**
D14CRBPGCHMA
Rigging Details
WARNING
To prevent property damage, the unit should remain in an
upright position during all rigging and moving operations.
To facilitate lifting and moving when a crane is used, place
the unit in an adequate cable sling.
IMPORTANT NOTE: If using bottom discharge
with roof curb, ductwork should be attached to
the curb prior to installing the unit. Ductwork
dimensions are shown in roof curb installation
instructions.
Refer to the Roof Curb Installation Instructions for proper
curb installation. Curbing must be installed in compliance
with the National Roofing Contractors Association Manual.
Lower unit carefully onto roof mounting curb. While rigging
unit, center of gravity will cause condenser end to be lower
than supply air end.
Unit should be lifted by the
4 holes
located at the
base
frame corners.
Lifting cables should be attached to the
unit with shackles. While rigging unit, center of gravity will
cause the condenser end (heavier) to be lower than supply
air end
The distance between the unit and the crane hook up
should not be
less
than
60”.
The spreaders bars should
span over the unit to prevent damage to the cabinet from
the lifting cables.
Roof Curb Installation
GAS PIPING
IMPORTANT NOTE: This unit is factory set to oper-
ate on natural gas at the altitudes shown on the
rating plate.
WARNING
To avoid property damage, personal injury or death when
either using propane gas alone or at higher altitudes, obtain
and install the proper conversion kit(s). Failure to do so can
result in unsatisfactory operation and/or equipment damage.
High altitude kits are for U.S. installations only and are not
approved for use in Canada.
Содержание GPGM5
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