Hitachi RAS-(3-6)HVNC1(E) - Page 448

10 Servicing
434
SMGB0087 rev.0 - 12/2013
10.8.10 Removing reversing valve coil
1 Remove the service cover following “10.8.1Removingser-
vicecover”in this chapter.
2 Remove the connector (PCN6) on the control PCB (PCB1)
of the electrical box.
3 Remove the reversing valve coil by removing 1 screw xing
the coil.
4 When reassembling, perform the procedure in the reverse
way of removing.
N O T E
Fixthewiresbyplasticbandstotheoriginalposition.
1
2
3
4
5
6
7
8
1 Upper cover.
2
Power Plate.
3
PCN6.
4
Fixing screw for reversing valve coil.
5
Reversing valve coil.
6
Compressor.
7
Reversing valve.
8
Electrical Box.
10.8.11 Removing electronic expansion valve coil
5 Remove the service cover, the bottom service cover and the rear
cover following “10.8.1Removingservicecover” and “10.8.4Re-
movingthebottomservicecoverandrearcover”.
6 Disconnect the CN5A connector on the control PCB1 of the
electrical box.
7 Hold the coil of the expansion valve and pull out upward. It is
easier to remove the expansion valve coil if it is rotated while
pulling it upward.
8 When reassembling after replacing the expansion valve coil,
perform the procedure in the reverse way of removing. The ex-
pansion valve coil is equipped with a lock mechanism. After atta-
ching the expansion valve coil, rotate it until the sound of locking
is heard.
N O T E
Fixthewiresbyplasticbandstotheoriginalposition.
Hold the coil of
the expansion
valve and pull
out upward
Expansion valve coil
Release lock