Fujitsu AUXB04GALH Service Manual page 199

SERVICE PARTS INFORMATION 15
Discharge Pressure Sensor
Suction Pressure Sensor
1. Discharge Pressure Sensor
Check Point : Check Voltage from Main PCB
With the connector connected to the PCB, measure the voltage between CN118:2-3
of the Main PCB.
Characteristics of pressure sensor
4.5
0.5
0
Pressure psi / MPa
psi
0.0
0.00
MPa
Output (V)
0.50
psi
319.0 348.0 377.0 406.0 435.0 464.0 493.0 522.0 551.0 580.0 609.0 638.0 667.0 696.0 725.0
2.20
MPa
Output (V)
2.26
2. Suction Pressure Sensor
Check Point : Check Voltage from Main PCB
With the connector connected to the PCB, measure the voltage between CN119:2-3
of the Main PCB.
Characteristics of pressure sensor
3.5
0.5
0
Pressure psi / MPa
psi
0.0
MPa 0.00
0.50
Output
(V)
psi
232.0 246.5
Mpa 1.60
Output (V) 3.32
725 / 5.0
14.5 29.0 43.5 58.0
0.10 0.20 0.30 0.40
0.58 0.66 0.74 0.82
2.40 2.60 2.80 3.00
2.42 2.58 2.74 2.90
246.5 / 1.7
14.5 29.0 43.5 58.0
0.10 0.20 0.30 0.40
0.68 0.85 1.03 1.21
1.70
3.50
1 1
2 2
3 3
72.5 101.5 116.0 130.5 145.0 174.0 203.0 232.0 261.0 290.0
0.50 0.70 0.80 0.90
0.90 1.06 1.14 1.22
3.20 3.40 3.60 3.80
3.06 3.22 3.38 3.54
1 1
2 2
3 3
72.5 101.5 116.0 130.5 145.0 159.5 174.0 188.5 203.0 217.5
0.50 0.70 0.80 0.90
1.38 1.74 1.91 2.09
04-129
RED
PRESSURE
WHITE
PS
SENSOR
BLACK
(HIGH)
1.00 1.20 1.40 1.60
1.30 1.46 1.62 1.78
4.00 4.20 4.40 4.60
3.70 3.86 4.02 4.18
RED
PRESSURE
WHITE
PS SENSOR
BLACK
(LOW)
1.00 1.10 1.20 1.30
2.27 2.44 2.62 2.79
DC
1.80 2.00
1.94 2.10
4.80 5.00
4.34 4.50
DC
1.40 1.50
2.97 3.15