Hitachi RAS-H(V)RNME-AF Service Manual page 281

11 Servicing

Removing reversing valve coil
Remove the service cover according to the section
ving service cover in this chapter.
Open the P-mounting plate according to the section
ning electrical box (P-Mounting Plate)
D A N G E R
• Check that the LED201 (red) located on the "W"
surface PCB is OFF when opening the P-mounting
plate.
• Do not touch the electrical components when
LED201 (Red) located on the "W" surface PCB is ON
in order to avoid an electrical shock.
Remove the connectors on the control PCB of the electrical
box.
Remove the reversing valve coil by removing the screw
fixing the coil.
No.
1 Reversing valve coil
2 Screw
3 To PCN6 on PCB1

Removing expansion valve coil
Remove the service cover according to the section
in this chapter.
ving service cover
Open the P-mounting plate according to the section
ning electrical box (P-Mounting Plate)
D A N G E R
• Check that the LED201 (red) located on the "W"
surface PCB is OFF when opening the P-mounting
plate.
• Do not touch the electrical components when
LED201 (Red) located on the "W" surface PCB is ON
in order to avoid an electrical shock.
Remove the CN5A connector on the control PCB of the
electrical box.
Hold the expansion valve coil and slightly rotate, then pull it
up. Refer to the figure below to replace the electrical valve.
The lock mechanism is equipped with the expansion valve
coil. Check to ensure that the expansion valve coil is locked.
No.
1 Electronic expansion valve coil
271
SMGB0070 rev. 1 - 08/2011
Remo-
Ope-
in this chapter.
Part
Remo-
Ope-
in this chapter.
Part
3
1
2
11
1