Hitachi UTOPIA RAS-4HVRP2E - Removing the 4-Way Valve Coil; Removing the High Pressure Switch and Pressure Switch for Control

9 Servicing
RAS-3HVRC2
SMGB0136 rev.0 - 07/2021
181
9
9.2.5 Removing the high pressure switch and pressure switch for control
1 Remove the pipe cover following “9.2.1Removingthe
pipecover”.
2 Remove 5 xing screws and remove the upper cover.
3 Remove the front cover following “9.2.2Removingthe
frontcover”.
4 Collect the refrigerant from the check joint.
5 Disconnect the Faston Terminals.
6 Remove the high pressure switch and the pressure
switch for control from the brazed part of discharge
piping.
High pressure
switch
Pressure
switch for
control
Brazing
9.2.6 Removing the 4-way valve coil
1 Remove the pipe cover following “9.2.1Removingthe
pipecover”.
2 Remove 5 xing screws and remove the upper cover.
3 Remove the front cover following “9.2.2Removingthe
frontcover”.
4 Disconnect the PCN6 connector on the control PCB of
the electrical box.
1-PCN6Connector(Green)
5 Remove 1 xing screw to remove the 4-way valve coil.
1
2
3

1-4-wayvalve.
2-4-wayvalvecoil.
3-Screw.