Trane CLCH-IN-18A Installation Manual page 4

existing buildings, hoist the container to the roof
for assembly. Refer to the Assembly and
Installation section.
q
Place gasketing on top of the roof curb and along
the entire perimeter of the roof curb as a seal
between the roof curb and unit base.
q
Follow all local building codes and accepted
roofing practices when installing the curb.
Figure 2
Unit Set Perpendicular to Roof Curb Members
Auxiliary support
loaded under curbs
Intake
AIR FLOW
Main roof support member
or auxiliary support
located under center of unit
or under section joints
Figure 3
Pier Mount Detail
Piers
2
Roof mounting curb
Inside edge
Discharge
Main roof support
member capable of
supporting unit weight
Figure 4
Unit Supports for Pier Mounts
4' TYP
Figure 5
Typical Installation of Roof Curb in Old Construction
2x4 nailer
Roof curb
Wooden nailer
Roof structure
Figure 6
Typical Installation of Roof Curb in New Construction
2x4 nailer
See
Figure 7 Detail
Roof curb
Roof structure
Gasket
Nail
Counter flashing
Roof/insulating mat'l
Flashing
4x4 cant
Roof insulation
Roof deck
Gasket
Nail
Counter flashing
Flashing
Roof/insulating mat'l
4x4 cant
Roof insulation
Roof deck
CLCH-IN-18A