Manual 2100-790
Page
21 of 49
FIGURE 7
Common Wall Mounting Installations
Supply Air
Ro
om
Air
Retu
rn
Air
Retu
rn
Air
Roo
m A
ir
Supply Air Duct
Su
pp
ly
Ai
r
Su
pp
ly
Ai
r
Retu
rn
Air
Supply Air
Ro
om
Air
Su
pp
ly
Ai
r
Su
pp
ly
Ai
r
Supply Air Duct
Roo
m A
ir
Return Air
throughout a single area or multiple areas. The supply air mixes
MIS-550 D
Non-Ducted Installations
Ou
tsi
de
W
all
Adjustable Supply Grille
Ceiling
with the room air and cools or heats occupants and/or equipment.
Unconditioned room air is returned to the unit through a return
wall.
Fixed Blade Return Grille
sealed to
Unit is
conditioned. The supply air mixes with the room air and cools or
Indoor Area
Indoor Area
Indoor Area
Ceiling
Ceiling
plenum when installing the product.
the outer wall surface. Wall curb use may avoid resizing supply
supply air leaving supply grille and re-entering the unit return
room air is returned to the unit through the return grille. Avoid
heats occupants and/or equipment in the area. Unconditioned
Non-ducted installations supply conditioned air into indoor room
directed by adjusting the 4-way supply grille to reach areas being
areas without extensive duct work. The supply airstream is
grille without mixing with room air.
select a curb that will meet the application requirements and also
static pressure requirements provided in this manual.
provide the best unit performance and efficiency. Review duct
grille or return duct work. Avoid using restrictive duct work to
Unit
Mount
Return Grille
Fixed Blade
Wall
wall.
Ou
tsi
de
W
all
Ducted Installations
Adjustable Supply Grille
Outdoor Wall Curb Installations
sealed to
Unit
Ducted installations supply conditioned air into indoor room areas
Optional Dropped Ceiling
sealed to
Wall
WAPR11
provided with the wall curb when installing the product.
be exceeded when using a wall curb. Follow all instructions
be the correct size for the unit. Unit duct static requirements cannot
Unit
Fixed Blade Return Grille
Mount
Wall
wall.
Ceiling
Curb is
Ou
tsi
de
W
all
Unit is
Wall
Mount
using solid or flexible ducts. The supply air is distributed
curb.
Optional Dropped Ceiling
reduction. Various curb options are available, and it is important to
Ou
tsi
de
W
all
sealed to
Unit is
wall.
sealed to
Unit is
Unit
Mount
WAPR11 Indoor Sound Plenum Installations
curbs may also provide sound isolation and indoor area sound
and return openings that are currently in an existing wall. Wall
Plenum
Outdoor Wall curbs are installed between the wall mount unit and
Indoor sound plenums are installed inside the room over the unit
return air opening. Plenum use can provide sound isolation and
indoor area sound reduction. The WAPR11 sound plenum
provides a single solution for all unit tonnage sizes. The
WAPR11 may be installed horizontally or vertically in the room.
Unit duct static requirements cannot be exceeded when using a
sound plenum. Follow all instructions provided with the sound
Indoor Area
W
all
Cu
rb
