Hitachi RWM-(H)FSN3E, Руководство по обслуживанию

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11 Servicing
SMGB0070 rev. 1 - 08/2011
262
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Removing four-way valve coil
Remove the pipe cover following Removing pipe cover , see
on page 395 .
Remove three (3) fixing screws and remove the upper cover.
Remove the front cover following Removing front cover , see
on page 395 .
Remove the electrical box cover.
Disconnect the PCN6 connector on the control PCB of the
electrical box.
No. Part
1 PCN6 connector (green)
Remove one (1) fixing screw to remove the 4-way valve coil.
No. Part
1 4-way valve
2 4-way valve coil
3 Screw
3
1 2
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
Removing pipe cover , see
on page 395 .
Remove three (3) fixing screws and remove the upper cover.
Remove the front cover following Removing front cover , see
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. Part
1 One terminal cover screw
2 Side cover
3 Seven side cover screws
4 Three front cover screws
No. Part
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.