Fujitsu Comfort Series Service Manual

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SERVICE PARTS INFORMATION 6Pressure SensorCheck Point : Check Voltage from Main PCBDCWith the connector connected to the PCB, measure the voltage between P21:3-4of the Main PCB.1. Discharge Pressure SensorCharacteristics of pressure sensor4.5725 / 5.00.50Output [V]Pressure psi / MPaCheck Point : Check Voltage from Main PCBDCWith the connector connected to the PCB, measure the voltage between P21:3-4of the Main PCB.2. Suction Pressure SensorCharacteristics of pressure sensor3.5246.5 / 1.70.50 Output [V]Pressure psi / MPa1 14 4WHITE PRESSURESENSOR(HIGH)BLACK3 3REDPS1 14 4WHITEPRESSURESENSOR(LOW)BLACK3 3REDPSMPaOutput (V)0.00 0.10 0.20 0.30 0.40 0.50 0.70 0.80 0.90 1.00 1.20 1.40 1.60 1.80 2.00Output (V)0.50 0.58 0.66 0.74 0.82 0.90 1.06 1.14 1.22 1.30 1.46 1.62 1.78 1.94 2.102.20 2.40 2.60 2.80 3.00 3.20 3.40 3.60 3.80 4.00 4.20 4.40 4.60 4.80 5.002.26 2.42 2.58 2.74 2.90 3.06 3.22 3.38 3.54 3.70 3.86 4.02 4.18 4.34 4.50MPaOutput (V)0.00 0.10 0.20 0.30 0.40 0.50 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.500.50 0.68 0.85 1.03 1.21 1.38 1.74 1.91 2.09 2.27 2.44 2.62 2.79 2.97 3.15MpaOutput (V)1.60 1.703.32 3.50319.0 348.0 377.0 406.0 435.0 464.0 493.0 522.0 551.0 580.0 609.0 638.0 667.0 696.0 725.00.0 14.5 29.0 43.5 58.0 72.5 101.5 116.0 130.5 145.0 174.0 203.0 232.0 261.0 290.0psiMPapsi0.0 14.5 29.0 43.5 58.0 72.5 101.5 116.0 130.5 145.0 159.5 174.0 188.5 203.0 217.5psi232.0 246.5psi03-30P21P21