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*01 *02 A/C Pressure Switch 21-12 Heating/Air Conditioning System Description (cont’d) ON OFF 196 kPa 225 kPa 2,550 kPa 3,140 kPa 590 kPa 20 kPa 2 2 2 2 2 2 290 kPa (3.0 kgf/cm , 43 psi) 1,520 kPa 1,230 kPa ON OFF HIGH-LOW MIDDLE 2 2 2 The A/C pressure switch consists of a high-low pressure switch (A/C pressure switch A) and a middle pressure switch • High-Low pressure switch If the refrigerant pressure becomes too high (due to blockage or lack of airflow at the condenser), or too low (due to • Middle pressure switch If the refrigerant pressure goes above or below 1,520 kPa (15.5 kgf/cm , 220 psi), the A/C pressure switch opens or 2 03/07/29 10:09:46 61S0X050_210_0013 |