Takagi AT-D3U-IN - Page 18

18 Page
Combuson Air Supply Opons
Gable vent
to outdoors
Install above
insulaon
Outlet air to
ac 1 in
2
per
4,000 btu/h
Inlet air from
the crawl space
Open foundaon vent
Confined
Space
Alternate
Air Inlet
1 in
2
per
4,000 btu/h
Direct to outdoors openings
 duct openings
Outlet air to
ac 1 in
2
per
4,000 btu/h
Inlet air duct
1 in
2
per
4,000 btu/h
Confined
Space
12” maximum
Gable vent
to outdoors
Install above
insulaon
SIngle opening
Confined
Space
1 in
2
per
3,000 btu/h
Alternave
Opening
Locaon
Two permanent openings
Two permanent
Openings
1 in
2
per
1,000 btu/h
12” maximum
12” maximum
Confined
Space
Horizontal duct openings
1 in
2
per
2,000 btu/h
Confined
Space
Outlet
Inlet
Outdoor
Air Ducts
1 in
2
per
2,000 btu/h
Direct to outdoors openings
Two permanent openings
Two permanent
Openings
1 in
2
per
4,000 btu/h
12” maximum
12” maximum
Confined
Space