Trane CLCH-IN-18A Installation Manual page 8

Table 2
Pipe Chase Roof Curb Dimensions
Unit size Reduced
17.50
3-30
18.00
35-40
21.00
50-100
Reduced
Standard
Extended
Lp is the sum of the module length(s) covered by the pipe cabinet.
Refer to submittal.
6
L Dimension
Standard Extended
33.00 48.50
34.00 50.00
40.00 54.50
Unit Sizes 3-100
X Dimension
Lp + 1.125
Lp + 1.125
Lp + 1.125
q
The height of the pipe chase roof curb should be
1.75 inches less than the height of the unit roof
curb. See Figure 17
q
The pipe cabinet roof curb will need to be notched
in order to install a special gutter piece.
shows a dimensioned detail of the pipe cabinet
roof curb being installed to the unit roof curb.
Please note the notched section to get the
dimensions. Refer to Step 6 of Assembly and
Installation Instructions section for more
information on installing the gutter piece.
18 shows the pipe cabinet and gutter coming
together and assembling to the pipe cabinet roof
curb.
Figure 17
Detailed Notching
Gutter
Pipe chase
roof curb
.178
Figure 18
Assembly
q Figure 19
shows a right side view and isometric
view of a fabricated gutter piece with detailed
dimensions.
.
Figure 17
Figure
3.318
.868
1.750
1.060
Unit
roof
curb
2.942
CLCH-IN-18A