Hitachi RAS-4-HNCE - Opening Electrical Box (P-Mounting Plate); Removing High Pressure Switch and Pressure Switch for Control

10. Servicing
415
SMGB0079 rev.0 - 01/2013
10
10.4.2.8 Removing High pressure switch and pressure switch for control
1 Remove the service cover following Removing service cover in this chapter.
2 Collect the refrigerant from the check joint according to 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.
Discharge pipe
Brazing part
Brazing part
High pressure
switch
Pressure sensor
for control
10.4.2.9 Opening electrical box (P-Mounting Plate)
1 Remove the service cover following Removing service cover in this chapter.
2 Remove 6 screws which x 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.
2 xing
screws
Power plate
Upper cover
2 xing
screws
2 xing
screws
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.