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HVAC
TABLE OF CONTENTS
1
HVAC SYSTEM LAYOUT......................................................................................................................... 1
2
SPECIFICATIONS .................................................................................................................................... 2
3
TIGHTENING TORQUES ......................................................................................................................... 8
4
PRECAUTIONS ...................................................................................................................................... 12
5
HVAC SYSTEM LAYOUT AND WORKING........................................................................................... 13
6
CONTROL PANEL ................................................................................................................................. 16
7
FRONT HVAC UNIT ............................................................................................................................... 18
8
TRINARY PRESSURE SWITCH .......................................................................................................... 20
9
MODE & TEMPRATURE CONTROL ACTUATOR................................................................................ 21
10 COMPRESSOR ...................................................................................................................................... 22
11 CONDENSER ......................................................................................................................................... 24
12 RECEIVER DRIER.................................................................................................................................. 24
13 INSPECTION OF MODE AND TEMPERATURE ACTUATOR.............................................................. 25
14 TROUBLESHOOTING............................................................................................................................ 27
15 MAINTENANCE...................................................................................................................................... 38
16 ON VEHICLE REPAIRS ......................................................................................................................... 46
17 DO’S AND DONT’S FOR A/C SYSTEM ................................................................................................ 55