Hitachi RCI-1.0FSN4 Service Manual page 335

9 Servicing
RPK-FSN(H)3M - Wall mounted
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
Heat exchanger

For RPK-(2.0-4.0)FSN(H)3M
1 Remove the power source wiring, the transmission 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
5 Remove the electrical box according to the
6 Remove the drain pan according to the
7 Remove 3 screws fixing the support stay attached to the rear side of the indoor unit and remove it.
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.
321 SMGB0099 rev.0 - 12/2016
Slotted Portion
Slotted portion
Unit Body
Unit body
"9.9.2 Removal of the front panel"
"9.9.7 Removing Electrical Box"
"9.9.9 Removing Drain Pan"
Support Stay
Support stay
(B)
(A)
Approx 10º
Rear piping of heat
exchanger
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