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JOHNSON CONTROLS
4
FORM 115.20-NOM6 (1106)
INSTALLATION
2. Frame around the perimeter of the unit as
required for securing the drywall. See Table 1
below for drywall openings.
3. Mount the unit in its permanent location, making
sure it is level to insure proper drainage and
operation (two 1/2” holes have been provided
on each end of the unit for securing the unit to
the wall studs).
4. After the drywall has been installed, recheck to
make sure the unit’s front panel is flush with the
exterior drywall surface. Shimming of the unit
may be required to get a seal between the unit
and panel.
FIG. 3 – CW-HW RECESSED WALL and CLOSET
MOUNTING
VERTICAL 2X 4
WALL STUDS
CLOSET MOUNT:
BRACKET
PLACEMENT
FOR HANGING
MOUNT UNIT
FLUSH WITH
DRY WALL (1/2"
MIN. IN FRONT
OF WALL STUD)
LEAVE SUFFICIENT SPACE
FOR DRAIN PIPING 10" TO 12"
MIN. RECOMMENDED
ATTACH UNIT TO FRAMING
USING SIX SCREWS/NAILS
IN CABINET LOCATIONS
SHOWN
CROSS MEMBER - TOP &
BOTTOM (PLACE UPPER CROSS
MEMBER 3" ABOVE UC UNIT)
SUPPORT FRAMING
RECESSED WALL UNIT TOP VIEW
THERMOSTAT
WIRING
POWER SUPPLY
WIRING
WALL PANEL FRAME
HOT
WATER
OUTLET
HOT
WATER
INLET
DRY WALL
2 X 4 WALL
STUD
CW UNITS:
CHILLED WATER
CONNECTION
Note: Front edge of unit to
be flush with dry wall.
CROSS MEMBER
(ON EDGE)
2 X 4 WALL STUD
WALL PANEL FRAME
SCREW
DETAIL OF WALL PANEL FRAME INSTALLATION
DRY WALL
LD11695A
TABLE 1 - DRYWALL OPENINGS
MODEL NUMBER
DRYWALL CUTOUT DIM
HT x WD
3YWC 28 x 42
4YWC 28 x 50
6YWC 28 x 58
8YWC 28 x 66
10YWC 28 x 74
12YWC 28 x 82
5. Install the wall panel to the front of the unit using
the 1/4-20 x 1-1/2” long, painted, Phillips head
screws (four on unit sizes 3, 4, 6 and 8; six on
unit sizes 10 and 12) (1/4” cage nuts are located
in the slotted front panel of the unit).
6. Remove the lower return air grille to get access
to the filter.
7. See Fig. 2 for unit details and dimensions.
Hung on a Closet Wall
Unit can be mounted in a closet using the bracket
support option 90PK3.
These brackets mount to the top, back of the cabinet.
See Fig 3 for location.
The unit should be isolated from the wall to be sure
sound is not transferred from the unit to the wall.
Platform Mounted in a Closet
Unit can be set on a platform (provided by others) in
a closet.
Be sure to allow for sufficient space below the platform
for drain piping.