Hitachi RAS-(2-6)HVNP1(E), Руководство по обслуживанию

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10 Servicing
392
SMGB0087 rev.0 - 12/2013
10.5.10 Removing reversing valve coil
1 Remove the service cover following “10.5.1 Removing service cover” in this chapter.
2 Remove the connector (PCN100) on the control PCB (PCB1) of the electrical box.
3 Remove the reversing valve coil by removing 1 screw fixing the coil.
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.
1
2
3
4
5
6
7
8
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.
10.5.11 Removing electronic expansion valve coil
1 Remove the service cover, the bottom service cover and the rear
cover following
“10.5.1 Removing service cover” and “10.5.4 Re-
moving the bottom service cover and rear cover” .
2 Disconnect the CN5A connector on the control PCB1 of the
electrical box. 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.
3 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