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HVAC
HVAC
TABLE OF CONTENTS
10.1
GENERAL INFORMATION........................................................................................... 1
10.1.1
SPECIFICATIONS ......................................................................................................................... 1
10.1.2 TIGHTENING TORQUES............................................................................................................... 3
10.1.3 PRECAUTIONS ............................................................................................................................. 8
10.1.4
HVAC SYSTEM LAYOUT AND WORKING................................................................................. 10
10.1.5 COMPONENTS OF HVAC ........................................................................................................... 14
10.1.5.1 CONTROL PANEL ....................................................................................................................... 15
10.1.5.2 FRONT HVAC UNIT..................................................................................................................... 18
10.1.5.3
ROOF AC UNIT (if fitted)............................................................................................................. 20
10.1.5.4 COMPRESSOR............................................................................................................................ 22
10.1.5.5 CONDENSER............................................................................................................................... 2
3
10.1.5.6 THERMISTER OR THERMO SENSOR....................................................................................... 24
10.1.5.7 TRINARY PRESSURE SWITCH.................................................................................................. 2
6
10.1.5.8 ACTUATOR.................................................................................................................................. 2
7
10.1.5.9 AIR INLET ACTUATOR
.
............................................................................................................... 3
1
10.1.5.10 REAR BLOWER SWITCH............................................................................................................ 3
1
10.1.6
TROUBLESHOOTING ................................................................................................................. 3
3
10.2
MAINTENANCE.......................................................................................................... 4
6
10.2.1 PRELIMINARY INSPECTION ...................................................................................................... 4
6
A.
AC SYSTEM PERFORMANCE TEST ......................................................................................... 4
6
B.
LEAK DETECTION....................................................................................................................... 4
8
10.2.2 REGULAR MAINTENANCE ........................................................................................................ 4
8
A.
REFRIGERANT RECOVERY, RECYCLING AND RECHARGING ............................................. 4
8