TM 9-4120-399-14
4-11. INSTALLATION INSTRUCTIONS. All
alterations to the
shelter or
facility into which the
air conditioner is to be installed should be complete before installation of air conditioner.
a. Attach an overhead hoist, sling, and spreader bar to the lifting fittings on each side of
the cabinet.
b. Move air conditioner into position and align mounting holes.
c. Secure unit with appropriate mounting hardware.
d. Seal all openings around cutouts for air conditioned air and water tight. Use gasket,
e. The air conditioner is provided with eight drain holes in base. Remove plugs from all
drains possible for most complete drainage of condensate water. If water from these drains will
be objectionable or create a hazard, external overboard drains can be connected. Use standard
1/2-14 NPT male pipe fittings to connect base drains. Any type of hose or tubing may be used
as a drain line. The drain line should lead to an appropriate facility drain, storm sewer, dry
sump, or an acceptable outside area. Be sure the entire length of the drain line is lower than
WARNING
HIGH VOLTAGE
is used in operation of this equipment.
D E A T H ON CONTACT
may result if personnel fail to observe safety precautions.
Never work on electrical equipment unless there is another person nearby
who is familiar with operation and hazards of equipment and who is
When technician is aided by
competent in administering first aid.
operators, he must warn them about dangerous areas.
Whenever possible, input power supply to equipment must be shut off
before beginning work. Take particular care to ground every capacitor
likely to hold a dangerous charge. When working inside, after power has
been turned off, always ground every part before touching it. Be careful
not to contact high voltage connections of 208 volts ac input when
installing or operating this equipment.
Whenever nature of operation permits, keep one hand away from equipment
to reduce hazard to current flowing through vital organs of body. Do Not
operate equipment without all guards, louvers, and covers in place and
tightly secured.