IM 817-4 Page 9 of 60
Figure 15 – The 21
7
/
8
” (556mm) Deep Full Adapter Back Unit with
Closed Pipe Tunnel, Ducted with Top Intake
Figure 16 – 21
7
/
8
" (556mm) Deep Partial Adapter Back Unit with Open
Pipe Tunnel
Intake Louver
Not More
Than 12"
Unit Conguration Type AP
Unit Conguration Type AK
Figure 13 - 21
7
⁄
8
" (556mm) Deep Full Adapter Back Unit With
Standard Louver Application
Figure 14 - 21
7
⁄
8
" (556mm) Deep Full Adapter Back Unit with High
Louver Application
Not More
Than 28"(711mm)
Unit Conguration Type AN
Louver
Piping
Important: Gasket sealing
surface is required.
Lintel
(By Others)
Piping
Floor Line
Sealed Cement
Mortar;
Pitch Away From Unit
Important: Gasket sealing
surface is required.
Louver
Lintel (By Others)
Piping
Piping
Important: Gasket sealing surface is required.
Piping
Piping
Important: Gasket sealing
surface is required.
Louver Installation With Typical Unit Congurations
Lintel
(By Others)
Gasket Seal
Intake Louver
Piping
Piping
Window Sash
“Goose Neck”
Insulated Duct (By Others)
Duct Collar (By AAF)
Note:
Arrangement AB with full metal back panel, similar to
conguration type AN. (Outside air opening to be cut
and sealed by others.)
Floor Line
Floor Line
Floor Line
1"
(25mm)
1"
(25mm)
Sealed Cement
Mortar;
Pitch Away
From Unit
Sealed Cement
Mortar;
Pitch Away
From Unit