Removing Electronic Expansion Valve Coil - Hitachi RAS-H(V)RNME-AF Service Manual

11 Servicing

Removing four-way valve coil
Remove the pipe cover following
on page 395.
Remove three (3) fixing screws and remove the upper cover.
Remove the front cover following
on page 395.
Remove the electrical box cover.
Disconnect the PCN6 connector on the control PCB of the
electrical box.
No.
1 PCN6 connector (green)
Remove one (1) fixing screw to remove the 4-way valve coil.
No.
1 4-way valve
2 4-way valve coil
3 Screw
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 electronic expansion valve coil

Remove the pipe cover following
on page 395.
Remove three (3) fixing screws and remove the upper cover.
Remove the front cover following
on page 395.
Remove the electrical box cover.
Remove the CN5A connector on the control PCB of the elec-
trical box.
Hold and disconnect the coil of the expansion valve.The ex-
pansion valve coil is equipped with a lock mechanism.Ensu-
re that the coil is locked when replacing.
No.
1 One terminal cover screw
2 Side cover
3 Seven side cover screws
4 Three front cover screws
No.
1 Expansion valve coil
2 Expansion valve body
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.
262
SMGB0070 rev. 1 - 08/2011
Removing pipe cover, see
Removing front cover, see
Part
Part
Removing pipe cover, see
Removing front cover, see
Part
Part
1 2
3