Quantcast Table 3-2. TROUBLESHOOTING - 506780055 4120-01-069-1321)">

 

Click here to make tpub.com your Home Page

Page Title: Table 3-2. TROUBLESHOOTING
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
Section IV TROUBLESHOOTING
Up
TM-5-4120-359-14 Air Conditioner Split Package 18 000 BTU/HR Cooling 30 000 BTU/HR Heating 208 Volt 3 Phase 400 Hertz Manual
Next
Section V MAINTENANCE PROCEDURES - 506780056
TM 5-4120-359-14
Table 3-2. TROUBLESHOOTING (cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Check that condenser air is not blocked.
Remove any obstruction from condenser inlet or discharge.
Step 5.
Check that high pressure cutout reset is not tripped.
Press in to reset.
Step 6.
After 15 minutes of operation in COOL MODE with TEMPERATURE CONTROL set to COOLER
position, check sight glass. Refrigerant should be clear and center indicator should be green.
If refrigerant is milky/bubbly or center indicator is yellow, report condition to direct support
maintenance.
3.
INSUFFICIENT HEATING.
Step 1.
Check to see that MODE SELECTOR SWITCH is properly positioned.
Set switch to LOW HEAT or HIGH HEAT.
NOTE
During LOW HEAT operation only, one bank of the heaters (nine) is operational.
These heaters are thermostatically controlled by the TEMPERATURE CONTROL.
During HIGH HEAT operation, the second bank of the heaters (six) operate
continuously.
Step 2.
Check that TEMPERATURE CONTROL is set to WARMER position.
Set TEMPERATURE CONTROL to WARMER position.
Step 3.
Inspect fresh and return air filters for dirt or blockage.
Clean filter(s)/remove blockage
4.
RUN INDICATOR LIGHT DOES NOT ILLUMINATE WITH AIR CONDITIONER OPERATING
Step 1.
Press light in. Light should illuminate.
Replace bulb.
Change 6 3-21

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc.