Hitachi RCI-1.0FSN3 Service Manual page 390

10 Servicing
9 Tilt up the piping holder at the rear side approximately 10 degrees in the direction of the arrow (A) as shown in the
figure below.
10 Pull out the heat exchanger with the rear pipings obliquely upward in the direction of the arrow (B) to remove it from the
slotted portion.
N O T E
Make sure that the heat exchanger and the unit body will not be damaged when removing the heat exchanger.
11 When mounting the heat exchanger, mount it in the reverse procedure.
N O T E
Before mounting the heat exchanger, check to ensure that there is no clearance between the heat exchanger and the motor
clamp in order to prevent dew drops.
Heat Exchanger

For RPK-(2.0-4.0)FSN(H)3M
1 Remove the power source wiring, the transition wiring and the wiring for the remote control switch.
2 Push the portion indicated by "PUSH" on the underside of the unit to release the catches at the lower part of the unit.
3 Remove the flare nuts attached to the rear pipings of the heat exchanger to disconnect the piping. Then lift the indoor
unit up and draw it frontward to remove it.
4 Remove the front panel according to the "Removing Front Panel" chapter.
5 Remove the electrical box according to the "Removing Electrical Box" chapter.
6 Remove the drain pan according to the "Removing Drain Pan" chapter.
7 Remove 3 screws fixing the support stay attached to the rear side of the indoor unit and remove it.
Support Stay
8 Insert a slotted screwdriver into the holes (2 portions) to release the catches for the piping holder as shown in the figure
below.
9 Release 2 catches for fixing the piping on the inside of the piping holder attached to the rear side of the indoor unit.
Then remove the piping holder.
378
SMGB0077 rev.0 - 01/2013
Slotted Portion
Unit Body
(B)
(A)
Rear Piping of Approx. 10°
Heat Exchanger