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

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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 fixing 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