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HEATER, AIR CONDITIONER AND VENTILATION – On-vehicle Service 55-15 7. Set the controls to the A/C as follows: 8. Adjust engine speed to 1,000 r/min with A/C clutch 9. Engine should be warmed up with doors and windows 10. Insert a thermometer in the center A/C outlet and operate the engine for 20 minutes. 11. Note the discharge air temperature. NOTE Performance Temperature Chart Garage ambient temperature _ C 20 25 35 40 Discharge air temperature _ C 2.5 – 4.5 2.5 – 4.5 4.0 – 6.5 6.5 – 9.0 Compressor high-pressure kPa 765 – 960 765 – 960 1,325 – 1,420 1,570 – 1,765 Compressor low-pressure kPa 40 – 135 40 – 135 80 – 175 155 – 255 Thermometer |