Removing High Pressure Switch And Pressure Switch For Control; Opening Electrical Box (P-Mounting Plate) - Hitachi RAS-2-HVNP Service Manual

10. Servicing
10.4.3.7 Removing High pressure switch and pressure switch for control
1 Remove the service cover following
2 Collect the refrigerant from the check joint according to
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.
Electrical box
Discharge pipe
Brazing
part High pressure switch
Pressure sensor
for control
10.4.3.8 Opening electrical box (P-Mounting Plate)
1 Remove the service cover following
2 Remove 5 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.
D A N G E R
DO NOT touch electrical components while the LED201 (Red) or LED1 (Red) are ON to avoid electrical shock. Wait
until the LEDs turn off.
430
SMGB0079 rev.0 - 01/2013
Removing service cover
Removing the
Upper cover
Rear box
Suction pipe
Brazing part
Low pressure switch
Removing service cover
Power plate
2 fixing
screws
in this chapter.
compressor, in this chapter.
Pressure sensor
for control
in this chapter.
Upper cover
1 fixing
screws
2 fixing
screws
Brazing part
High pressure switch