Bard CH4S1 - Manual (Page 14)

Manual 2100-455M
Page 14 of 28
FIGure 9
cOmmOn Wall mOuntInG InstallatIOns
Isolation Curb
WM1CF5-X
Sup
ply A
ir
Return Air
Silencer
WAPR11-X
RETURN AIR
Free Blow
Supply Plenum
WAFB51-X
Outside Wall
Unit (outside)
Note: duct maybe in attic or
below rafters as shown.
Note: direction of return
Rafters
Supply Air
Return Air
Outside Wall
Unit (outside)
Rafters
Supply Air
Return Air
Unit (outside)
Finished Ceiling
Finished Ceiling
Finished Ceiling
Supply Air
Rafters
Outside Wall
False Wall Installation
False Wall
Return Air
Return Air
for lowest sound level as shown.
Grille
Grille
below rafters as shown.
Note: duct maybe in attic or
grille louvers is pointed down
Grille
Duct
Free Air Flow - No Duct
Ducted Supply - Return At Unit
Duct
MIS-2027
Wall Sleeve
Free Air Flow - No Duct
Low Sound With Acoustical Plenums
And Isolation Curbs