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Refrigerant Pressure Sensor / Switch, HVAC|Service and Repair > < Refrigerant Pressure Sensor / Switch, HVAC|Locations|Page 6830
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Refrigerant Pressure Sensor / Switch: Testing and Inspection

Inspection

1. Measure the pressure of high pressure line by measuring voltage output between NO.1 and NO.2 terminals.

2. Verify that the voltage value is within specification.

Voltage = 0.025 * Pressure + 0.1 [kgf/cm2]
Voltage = 0.001758 * Pressure + 0.074162 [PSIA]

3. If the measured voltage value is not specification, replace the A/C pressure transducer.

Refrigerant Pressure Sensor / Switch, HVAC|Service and Repair > < Refrigerant Pressure Sensor / Switch, HVAC|Locations|Page 6830