Hitachi RAS-5HVRNM1E Service Manual page 408

10 Servicing
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. One terminal cover screw.
2. Side cover.
3. Seven side cover screws.
4. Three front cover screws.
N O T E
• DO NOT touch electrical components while the LED1 (Red) is ON to avoid electrical shock. Wait until the LED
turns off.
¿ Removing electrical components
Removing Electrical Box
1 Remove the pipe cover following
2 Remove three (3) fixing screws and remove the upper cover.
3 Remove the electrical box cover.
4 Remove one (1) fixing screw and remove the terminal cover.
5 Disconnect all the wiring connected to the control PCB.
6 Remove two (2) screws which fix the electrical box.
7 Pull up and remove the electrical box.
400
SMGB0060 rev. 1- 12/2010
1. Expansion valve coil.
2. Expansion valve body.
Removing pipe cover, see on page 395.