14 AIR CONDITIONING OUTSIDE AIR TEMP. ADJUST DAMPER AIR OUTLET HOT AIR OUTLET AIR OUTLET COOL AIR OUTLET HEATERCORE AIR CONDITIONING SYSTEM - FULL AIR MIX TYPE The temperature adjusting dampers can be set manually to achieve desired temperature. The air mix is done at the part shown by dotted lines, to attain comfortable air conditioning. BASIC COMPONENTS The circui t consists of the fol lowing basic components 1. A/C compressor 2. Condenser 3. Receiver/dryer 4. Expansion valve 5. Evaporator 6. Pipes and Hoses 7. A/C controls Compressor: It is cri t ical that only gas be drawn into the compressor. If l iquid enters, i t wi l l cause a hydrostatic lock in the compressor and stall it. The gas drawn in is compressed to over 14.1 kg/cm’ (201 psi, 1.383 kPa), which causes it to get very hot. Condenser: The condenser mounted at the front of the vehicle acts as a radiator, drawing off some of the heat of compression, and changes the high temperature gas into a liquid under high pressure. When operating normally, the inlet of the condenser is full of hot gas and the outlet is full of hot liquid. Fig. 7 - Schematic layout - Air flow Fig. 8 - Compressor Fig. 9 - Condensor
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