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TM 5-4120-270-15
CHAPTER 2
INSTALLATION AND OPERATION INSTRUCTIONS
Section I. SERVICE UPON RECEIPT OF EQUIPMENT
2-1.
Unloading the Equipment
a.
Remove any blocking or tiedowns that may
have been used to secure the item to carrier. The air
conditioner is shipped in a wooden carton, the base of
which is raised to provide for insertion of tongs of a fork.
b.
Use a forklift or other suitable lifting de- vice
to remove unit from carrier. Caution: Use care in
handling to avoid damaging the air conditioner.
2-2.
Unpacking the Equipment
a.
General. ’love air conditioner to installa-tion
site before removing shipping container. Cut the metal
bands and remove top, end, and sides of carton, and the
Kimpak covering. Remove bolts securing base of unit to
crate. Using a suitable hoist or crane and a spreader bar
attached to the lifting handles, lift unit from crate.
b.
Depreservation. Prior to placing unit in op-
eration, accomplish depreservation in accordance with
instructions outlined in T)A Form 2258 (Depreservation
Guide of Engineer Equipment). DA Form 2258 is
attached on or near the operational controls.
2-3.
Inspecting and Servicing Equipment
a.
Perform
daily
preventive
maintenance
services (para 3-C,).
b.
Perform quarterly preventive maintenance
services ( para 3--7).
c.
Inspect entire r conditioner for signs of
damage, paying particular attention to evaporator and
condenser coils.
d.
The air conditioner contains a full operating
charge of refrigerant and compressor oil. No further
service is required.
2-4.
Installation of Separately packed
Components
a.
General. The air conditioner is basically a
self-contained unit, however, in certain installations
it may become desirable to place the control panel in a
remote location and utilize the remote control blockoff
plate.
b.
Blockoff Plate. The blockoff plate is pro-
vided for installation when the controls are removed for
remote control operation. The block-off plate provided
must be used so that no air. will enter the lower
compartment. Refer to figure 2-1, and install the blockoff
plate.
2-5.
Installation or Setting-up Instructions
a.
General. Set the air conditioner in a level
position to allow proper condensate draining (operation
will be satisfactory with unit setting at a slight angle, and
using one of the alternate drain connections).
b.
Locating the Unit. The removable lower
front panel and evaporator fan discharge and intake
grilles must be accessible for normal service and
maintenance. The condenser air intake and discharge
openings must always be unobstructed to allow sufficient
air for condensing purposes. Clearance must be allowed
for the condenser air inlet door which must be open
during operation. The evaporator fan discharge and
intake openings at front of unit should be relatively free
from obstruction to permit maximum unit capacity.
Sufficient headroom must be allowed for removal of the
mist eliminator.
Note. Remove discharge and intake grilles and
filter, if unit is to be used with ducts carrying air to and
from the conditioned space. Install grilles and filter in the
duct.
Note. Remove CBR cover (fig. 1-2) if a CBR
filter unit is to he attached to ,he air conditioner.
c.
Installing Unit). Bolt unit to floor or other flat
surface. Refer to base plan (fig. 1-5) for dimensions.
Connect drain hose to drain nipple at base of unit to lead
condensate away from unit. Alternate 1/2 inch NPT
condensate drain connections are provided at both sides
and front and rear of unit. If one of these is used,
remove the desired drain plug prior to installing the drain
hose.
2-1
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