Hitachi RAS-(3-6)HVNC1(E) Service Manual page 447

10 Servicing
10.8.8 Removing High pressure switch and pressure switch for control
1 Remove the service cover following "10.8.1 Removing service cover" in this chapter.
2 Collect the refrigerant from the check joint according to "10.8.7 Removing the compressor", in this chapter.
3 Disconnect the Faston Terminals of High Pressure Switch and Pressure sensor for PD control.
4 Remove the high pressure switch and the pressure switch for control from the brazed part of discharge piping.
Pressure sensor
for control
Brazing part
10.8.9 Opening electrical box (P-Mounting Plate)
1 Remove the service cover following
service cover" in this chapter.
2 Remove 6 screws which fix the electrical box and open
the P plate turning counter clockwise approximately 90°.
• Check that the LED201 (red) on the inverter PCB
(PCB2) is OFF when opening P-mounting plate.
433
SMGB0087 rev.0 - 12/2013
High pressure
switch
Brazing part
Discharge pipe
"10.8.1 Removing
2 fixing
screws
Upper cover
Power plate
2 fixing
screws
2 fixing
screws
10