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TM 9-4120-389-14
(3) Check that all air inlet and outlet openings are clear (fig 2-4.)
Figure 2-4. Air Openings and Drain
(4) Check that drains are either open or piped to a satisfactory location with a proper drain
system.
(5) Table 2-2 lists the recommended control settings for the desired mode of operation. Minor
adjustments may be made to get the desired mixture of recirculated and fresh air and the air flow
patterns of conditioned air.
b. General information (To increase comfort and save energy.)
(1) During warm or cold weather. (Air conditioner operation in COOL or HEAT modes.)
Limit traffic through doors as much as possible.
· Keep doors and windows tightly closed.
Limit use of fresh (outside) air.
2-17
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