Removing The Electronic Expansion Valve Coil; Removing The Electrical Box - Hitachi UTOPIA RAS-4HVRP2E Service Manual

9 Servicing
RAS-3HVRC2

9.2.7 Removing the electronic expansion valve coil

1 Remove the pipe cover following
pipe cover".
2 Remove 5 fixing screws and remove the upper cover.
3 Remove the front cover following
front cover".
4 Remove the electrical box cover.
5 Remove 8 fixing screws and remove the side cover.
6 Remove the CN5A connector on the control PCB of the
electrical box.
7 Hold and disconnect the coil of the expansion valve. The
expansion valve coil is equipped with a lock mechanism.
Ensure that the coil is locked when replacing.
1
1 - Side cover

9.2.8 Removing the electrical box

1 Remove the pipe cover following
pipe cover".
2 Remove 5 fixing screws and remove the upper cover.
3 Remove the electrical box cover.
4 Remove 1 fixing screw and remove the terminal cover.
5 Disconnect all the wiring connected to the control PCB.
6 Remove 2 screws which fix the electrical box.
7 Pull up and remove the electrical box.
182 SMGB0136 rev.0 - 07/2021
"9.2.1 Removing the
"9.2.2 Removing the
"9.2.1 Removing the
CN5A connector
1 - Expansion valve coil
2 - Expansion valve body
1
1 - Electrical box cover
2 - Terminal cover
1
2
2