ARMY TM 9-4120-380-14
AIR FORCE TO 35E9-136-21
j. If possible, avoid locations where the condenser and fresh air intakes will be laden with dust, dirt. soot, smoke or
Through the Wall Installation. Prepare an opening in the wall large enough to slide the air conditioner through
(see fig. FO-1.). Consideration should be given to service of internal components. All openings around air
conditioner must be sealed airtight.
Inside Installation. Manufacture an arrangement of ducts for the condenser inlet and outlet air openings.
Easy access to return air filter must be provided Filter may be left in position in unit or
relocated in duct work. Some installations (filter relocated in duct work) may require
different size filter.
4.8.4 Outside Installation. Manufacture an arrangement of ducts for the conditioned air intake and discharge air. Ducts
may be made for attachment to the air conditioner cabinet using the mounting holes for the conditioned air intake and
discharge grilles or some other arrangement may be made. Ducts may also be made for installation of conditioned air
intake and discharge grilles on the inside ends or replacements for these items may be used. Prepare appropriate
openings in the appropriate wall for the ducts.
PREPARATION OF AIR CONDITIONER FOR INSTALLATION. No preparation is necessary if the air
conditioner is to be installed by the typical exterior wall method and operated as a self-contained unit. For alternate
installation methods, some preparation is necessary.
4.9.1 Instructors. The unit is designed to provide for several basic types of installation. See the following para-
graphs for instructions only if they are applicable to your requirements.
ACCESS PANELS REMOVAL.
Be sure input power is disconnected before doing any work inside the air
conditioner cabinet. Voltages used can KILL.