Hitachi UTOPIA RAS-4HVRP2E - Removing the Electrical Box; Removing the Electronic Expansion Valve Coil

9 Servicing
RAS-3HVRC2
SMGB0136 rev.0 - 07/2021
182
9.2.7 Removing the electronic expansion 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 Remove the electrical box cover.
5 Remove 8 xing 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.
CN5A connector
1
1
2
1-Sidecover
1-Expansionvalvecoil
2-Expansionvalvebody
9.2.8 Removing the electrical box
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 electrical box cover.
4 Remove 1 xing screw and remove the terminal cover.
5 Disconnect all the wiring connected to the control PCB.
6 Remove 2 screws which x the electrical box.
7 Pull up and remove the electrical box.
1
2
1-Electricalboxcover
2-Terminalcover