Inspection Of Thermistor And Pressure Sensor - Hitachi NEXT Series Service Manual

4.23 Inspection of Thermistor and Pressure Sensor

If the thermistor or pressure sensor shows any sign of failure during operation, replace the part in accordance with the
part name listed below.
Table 1 Thermistor/pressure sensor part name list
Code Sensor type
PS1 Pressure sensor
PS2 Pressure sensor
PS4 Pressure sensor
TH2 Thermistor
TH3 Thermistor
TH4 Thermistor
TH5 Thermistor
■ Sensor position for water-cooled type
TH2
PS1
PS4
Remarks
For 1st-stage discharge pressure
For 2nd-stage discharge pressure
For oil pressure
For 2nd-stage suction temperature
For 2nd-stage discharge temperature
For 1st-stage discharge temperature
For oil temperature
TH3
PS2
Confidential to Customer
Main board side
Main board side
LCD side
Main board side
Main board side
LCD side
LCD side
TH5
[Fixed speed type]
PS4
PS1
55
TH4
PS2