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TM 9-4120-389-14
CAUTION
Easy access to fresh or return air filters must be provided. Filters may be left
in position in unit or relocated in duct work. Some installations (filters
relocated in duct work) may require different size filters.
d. Outside installation. Manufacture an arrangement of ducts for the evaporator inlet and outlet air. Ducts
may be made for attachment to the air conditioner cabinet using the mounting holes for the evaporator inlet and
outlet louvers or some other arrangements may be made. Ducts may also be made for installation of the
evaporator inlet and outlet louvers on the inside ends or replacements for these items may be used. Prepare
appropriate openings in the appropriate wall for ducts.
NOTE
Retain all items removed from unit. Store in a safe place. Parts must be
reinstalled prior to return to supply. For a list of required items, see Appendix
C.
4-6. AIR CONDITIONER PREPARATION FOR INSTALLATION
a. General. For installation into small shelters, refer to MIL-HDBK-116. No preparation is necessary if the
air conditioner is to be installed by the typical exterior wall opening method and operated as a self-contained
unit. For alternate methods, some preparation is necessary.
b. The unit is designed to provide for several basic types of installation. See the following paragraphs for
instructions only if they are applicable to your requirements. Installations that require removal of the fabric
cover (See para. 4-12).
4-8
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