Carrier 51QC/QG - Manual (Page 8)

THROUGH-THE-WAUL
INSTALLATION STEPS
The 51 QC/QG is normally installed through a wall.
During installation, you will be moving unit’s chassis from
the cabinet casing, installing the casing first and then
re-inserting the chassis.
CAUTION; COIL FINS ON CHASSIS ARE SHARP AND
CHASSIS IS HEAVY.
NOTE: This unit may also be installed in a window. An
additional accessory kit must be ordered separately for
window mounting. Contact an authorized Carrier Dealer,
or call 1-800-CARRIER for information.
Two people recommended for installation.
Use Steps 1 through 8 from Window installation
Instructions to prepare unit chassis and casing for Wall
installation.
Standard Construction and masonry tools are needed
for through-the-wall installation. This will include at least
the following:
Screwdrivers—Both Phillips and regular head types
Power drill (Vs" dia. drill bit)
Pencil
Measuring Tape
Scissors or a razot^edged knife
Cut opening into wall for insertion of unit’s
casing. Finished wall opening must be at least V4
inch larger than unit’s casing on all sides. (See
casing dimensions below.)
51 QC - W (24 7/16") xH (15 9/16")
QG - W (26") xH (17.9/16")
Note: If wall thickness obstructs unit’s side vents, make wall
opening wider as shown in Figure A. Allow for condensate
drainage from thermostatic drain valve located in basepan. If
outside wali projects beyond back of unit, use baffies on cas-
ing’s rear corners. See Figure A for minimum dimension
^
requirements and placement of baffles.
For Wood Framing: Provide a wooden framing
support for fastening casing into wall opening.
Notes
Through-the- Wall installation of the air conditioner unit is
possible in wood framing or masonry wall, using units casing
as a sleeve. Installation should be level as unit has a built-in
pitch for draining condensation.
Good framing construction practices must be used to insure a
properly installed unit.
*7 To prevent a possible air leakage path, seal the hole in the
bottom of the casing near the front of ibe unit.