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Installation
Flue Stack Installation
Outdoor Gas Heat Section
The flue stack for outdoor gas heat sections ships inside the gas heat section (see
the flue stack to the flue collar and secure it with screws as indicated in
flue connection sizes.
A rain hood or screen is recommended on the flue to prevent possible blockage from bird nests
and beehives. The rain hood or screen must be field provided.
Note: It is very difficult to remove flue from inside the unit once the unit is assembled.
Figure 10. Outdoor air handler flue stack
Indoor Gas Heat Section
For indoor gas heat sections, a field-engineered flue stack is required. Install according to local
codes. See connection sizes in
Table 6.
18
Table
Flue connection sizes for gas heat sections
Gas Output (MBh)
200, 560
300, 360
700, 860, 1000
1250, 1500, 1750
2000, 2400
Figure 11. Outdoor air handler flue stack installation
6.
Figure
10). Attach
Figure
11. See
Table 6
Flue Size (inches)
8 × 8
9 × 9
12 × 12
10 × 10
14 x 14
CLCH-SVX08A-EN
for
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