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
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