Installation
IMPORTANT
This furnace must be installed by an experienced
professional installation company that employs fully
trained and experienced technicians. Install the furnace
in accordance with the manufacturer's instructions and
local codes. In the absence of local codes, follow the
National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the CSA
B149.1, Natural Gas and Propane Installation Code.
WARNING
Sharp edges hazard. Can cause personal injury or death.
Sheet metal parts, self-tapping screws, clips, and similar
itemsinherently have sharp edges, and it is necessary that
theinstaller exercise caution when handling these items.
Flue Box
The ue box (Figure 21) is not installed at the factory because
it would increase the width of the unit beyond the allowable
shipping width.
The ue box must be installed over the combustion exhaust
openings. All holes are prepunched, the fasteners are
furnished and everything is shipped inside the fan section.
1. Remove and discard the shipping covers.
2. Position the ue box over the exhaust openings.
3. Line assembly holes up.
4. Install screws to fasten the ue box to the side of the unit.
Figure 21: Flue Box Installation
Outdoor Air (OA) Hood
The OA hood (Figure 22) is not installed at the factory
becauseit would increase the width of the unit beyond the
allowableshipping width. The hood is shipped in a box in the
fansection.
The OA hoods must be installed over the outdoor air openings.
1. Remove and discard the shipping covers.
2. Position the hood over the OA openings.
3. Line assembly holes up.
4. Install screws to fasten the OA hood.
The OA hoods must be installed before the furnace is operated.
Figure 22: Outdoor Air (OA) Hood Installation
oPTIonal Gas heaT
www.DaikinApplied.com 25 IM 1058-8 • MAVERICK II ROOFTOP SYSTEMS
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