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ARMY TM 9-4120-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
Table 3-1. Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
REDUCED COOLING CAPACITY.
Step 1. Check that all doors, windows, and other openings in the room or enclosure are tightly closed.
Tightly close all openings.
Step 2. Check to be sure that excessive hot outside air is not being introduced through the fresh air inlet.
Shade inlet; then, if condition improves adjust fresh air damper to limit amount of hot air intake.
Step 3. Check to be sure condenser air inlet and outlet are not obstructed.
Remove obstructions.
3.
REDUCED HEATING CAPACITY.
Step 1. Check that all doors, windows, and other openings in the room or enclosure are tightly closed.
Tightly close all openings.
Step 2. Check to be sure that excessive cold, outside air is not being introduced through fresh air inlet.
Partially cover inlet; then, if condition improves, adjust fresh air damper to reduce amount of cold air
intake.
3-2
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