Hitachi RAS-(4-12)HNP(1)(E) - Page 436

10 Servicing
422
SMGB0087 rev.0 - 12/2013
10.7.11 Removing electronic expansion valve coil
1 Remove the service cover, the bottom service cover, the rear
cover and the upper cover following “10.7.1Removingservice
cover”, “10.7.4Removingbottomservicecoverandrearcover”
and “10.7.3Removinguppercover”.
2 Disconnect the CN5A connector on the control PCB of the elec-
trical box.
3 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.
4 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.
Cut the plastic band
and release the lock
Expansion
Valve Coil
Pull out the expansion valve
coil upward while holding it
10.7.12 Removing solenoid valve coil (SVA)
1 Remove the service cover and the upper cover following “10.7.1
Removingservicecover” and “10.7.3Removinguppercover”.
2 Unplug the connector PCN7 (SVA) on O.U. PCB1.
3 Remove the xing screw, and remove the solenoid valve coil
(SVA) upward.
4 When reassembling after replacing the solenoid valve coil, per-
form the procedure in the reverse way of removing.
N O T E
Fixthewiresbyplasticbandstotheoriginalposition.
Solenoid Valve
Coil (SVA)
Fixing screw for
solenoid valve coil